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<a href="QuEST__cpu_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Distributed under MIT licence. See https://github.com/QuEST-Kit/QuEST/blob/master/LICENCE.txt for details </span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>  </div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor"># include "<a class="code" href="QuEST_8h.html">QuEST.h</a>"</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor"># include "<a class="code" href="QuEST__internal_8h.html">QuEST_internal.h</a>"</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor"># include "<a class="code" href="QuEST__precision_8h.html">QuEST_precision.h</a>"</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor"># include "<a class="code" href="mt19937ar_8h.html">mt19937ar.h</a>"</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  </div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"># include "<a class="code" href="QuEST__cpu__internal_8h.html">QuEST_cpu_internal.h</a>"</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor"># include <math.h></span> </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"># include <stdio.h></span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"># include <stdlib.h></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"># include <stdint.h></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"># include <assert.h></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"># include <omp.h></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">/* to support MSVC, we must remove the use of VLA in multiQubtUnitary.</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * We'll instead create stack arrays use _malloca</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#ifdef _WIN32</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"> #include <malloc.h></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * overloads for consistent API with GPU </span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  </div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="group__debug.html#ga11448560006dd165128e404b54ebb2f7"> 42</a></span> <span class="keywordtype">void</span> <a class="code" href="group__debug.html#ga11448560006dd165128e404b54ebb2f7">copyStateToGPU</a>(<a class="code" href="structQureg.html">Qureg</a> qureg) {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> }</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="group__debug.html#ga924ef2dbda6b733b4041270077c76ece"> 45</a></span> <span class="keywordtype">void</span> <a class="code" href="group__debug.html#ga924ef2dbda6b733b4041270077c76ece">copyStateFromGPU</a>(<a class="code" href="structQureg.html">Qureg</a> qureg) {</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> }</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * state vector and density matrix operations</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
<div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a717a0448066831cb5b392bcf2e1d0529"> 54</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a717a0448066831cb5b392bcf2e1d0529">densmatr_oneQubitDegradeOffDiagonal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> retain){</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerMask = 1LL << targetQubit;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerMask = 1LL << (targetQubit + (qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>));</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisPattern;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> totMask = innerMask|outerMask;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor"> shared (innerMask,outerMask,totMask,qureg,retain,numTasks, targetQubit) \</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor"> private (thisTask,thisPattern)</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  {</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++){</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  thisPattern = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&totMask;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">if</span> ((thisPattern==innerMask) || (thisPattern==outerMask)){</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// do dephase</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// the lines below will degrade the off-diagonal terms |..0..><..1..| and |..1..><..0..|</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask]; </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask]; </div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  } </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  } </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> }</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  </div>
<div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#aa31f0ef43a921c3ac73545d1d3670fa1"> 85</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#aa31f0ef43a921c3ac73545d1d3670fa1">densmatr_mixDephasing</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> dephase) {</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> retain=1-dephase;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="QuEST__cpu_8c.html#a717a0448066831cb5b392bcf2e1d0529">densmatr_oneQubitDegradeOffDiagonal</a>(qureg, targetQubit, retain);</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> }</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div>
<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a623e577b7230f3c8dc202be6185b4289"> 90</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a623e577b7230f3c8dc202be6185b4289">densmatr_mixTwoQubitDephasing</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> qubit1, <span class="keywordtype">int</span> qubit2, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> dephase) {</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> retain=1-dephase;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerMaskQubit1 = 1LL << qubit1;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerMaskQubit1 = 1LL << (qubit1 + (qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>));</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerMaskQubit2 = 1LL << qubit2;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerMaskQubit2 = 1LL << (qubit2 + (qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>));</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> totMaskQubit1 = innerMaskQubit1|outerMaskQubit1;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> totMaskQubit2 = innerMaskQubit2|outerMaskQubit2;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisPatternQubit1, thisPatternQubit2;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor"> shared (innerMaskQubit1,outerMaskQubit1,totMaskQubit1,innerMaskQubit2,outerMaskQubit2, \</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor"> totMaskQubit2,qureg,retain,numTasks) \</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor"> private (thisTask,thisPatternQubit1,thisPatternQubit2)</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  {</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++){</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  thisPatternQubit1 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&totMaskQubit1;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  thisPatternQubit2 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&totMaskQubit2;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="comment">// any mismatch |...0...><...1...| etc</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">if</span> ( (thisPatternQubit1==innerMaskQubit1) || (thisPatternQubit1==outerMaskQubit1) || </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  (thisPatternQubit2==innerMaskQubit2) || (thisPatternQubit2==outerMaskQubit2) ){ </div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// do dephase</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// the lines below will degrade the off-diagonal terms |..0..><..1..| and |..1..><..0..|</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask]; </div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask]; </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  } </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  } </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> }</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  </div>
<div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ab750fb47da2fca9849c678c869e40e69"> 131</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ab750fb47da2fca9849c678c869e40e69">densmatr_mixDepolarisingLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> depolLevel) {</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> retain=1-depolLevel;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerMask = 1LL << targetQubit;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerMask = 1LL << (targetQubit + (qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>));</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> totMask = innerMask|outerMask;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  </div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> partner;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisPattern;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  </div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> realAv, imagAv;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="preprocessor"> shared (innerMask,outerMask,totMask,qureg,retain,depolLevel,numTasks) \</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor"> private (thisTask,partner,thisPattern,realAv,imagAv)</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  {</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++){</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  thisPattern = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&totMask;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> ((thisPattern==innerMask) || (thisPattern==outerMask)){</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">// do dephase</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="comment">// the lines below will degrade the off-diagonal terms |..0..><..1..| and |..1..><..0..|</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask]; </div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask]; </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> ((thisTask&totMask)==0){ <span class="comment">//this element relates to targetQubit in state 0</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// do depolarise</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  partner = thisTask | totMask;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  realAv = (qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] + qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner]) /2 ;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  imagAv = (qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] + qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner]) /2 ;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  </div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] + depolLevel*realAv;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] + depolLevel*imagAv;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  </div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] + depolLevel*realAv;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] + depolLevel*imagAv;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  }</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  } </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> }</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  </div>
<div class="line"><a name="l00180"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ab124a3a9956046bf9c0e1e3ae9171f42"> 180</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ab124a3a9956046bf9c0e1e3ae9171f42">densmatr_mixDampingLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> damping) {</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> retain=1-damping;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> dephase=sqrt(retain);</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  </div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerMask = 1LL << targetQubit;</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerMask = 1LL << (targetQubit + (qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>));</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> totMask = innerMask|outerMask;</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  </div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> partner;</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisPattern;</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="comment">//qreal realAv, imagAv;</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  </div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="preprocessor"> shared (innerMask,outerMask,totMask,qureg,retain,damping,dephase,numTasks) \</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="preprocessor"> private (thisTask,partner,thisPattern)</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  {</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++){</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  thisPattern = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&totMask;</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">if</span> ((thisPattern==innerMask) || (thisPattern==outerMask)){</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="comment">// do dephase</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="comment">// the lines below will degrade the off-diagonal terms |..0..><..1..| and |..1..><..0..|</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = dephase*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask]; </div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = dephase*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask]; </div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">if</span> ((thisTask&totMask)==0){ <span class="comment">//this element relates to targetQubit in state 0</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="comment">// do depolarise</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  partner = thisTask | totMask;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="comment">//realAv = (qureg.stateVec.real[thisTask] + qureg.stateVec.real[partner]) /2 ;</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="comment">//imagAv = (qureg.stateVec.imag[thisTask] + qureg.stateVec.imag[partner]) /2 ;</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  </div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] + damping*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner];</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] + damping*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner];</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  </div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner];</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner];</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  }</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  } </div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  }</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> }</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  </div>
<div class="line"><a name="l00230"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a88670d0e7cebe33f61c1dd98daa338b3"> 230</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a88670d0e7cebe33f61c1dd98daa338b3">densmatr_mixDepolarisingDistributed</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> depolLevel) {</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  </div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="comment">// first do dephase part. </span></div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="comment">// TODO -- this might be more efficient to do at the same time as the depolarise if we move to</span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="comment">// iterating over all elements in the state vector for the purpose of vectorisation</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="comment">// TODO -- if we keep this split, move this function to densmatr_mixDepolarising()</span></div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <a class="code" href="QuEST__cpu_8c.html#aa31f0ef43a921c3ac73545d1d3670fa1">densmatr_mixDephasing</a>(qureg, targetQubit, depolLevel);</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  </div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeInnerBlock, sizeInnerHalfBlock;</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeOuterColumn, sizeOuterHalfColumn;</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisInnerBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  thisOuterColumn, <span class="comment">// current column in density matrix</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  thisIndex, <span class="comment">// current index in (density matrix representation) state vector</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  thisIndexInOuterColumn,</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  thisIndexInInnerBlock; </div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordtype">int</span> outerBit; </div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  </div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>>>1;</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  </div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  sizeInnerHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  sizeInnerBlock = 2LL * sizeInnerHalfBlock; </div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  sizeOuterColumn = 1LL << qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>;</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  sizeOuterHalfColumn = sizeOuterColumn >> 1;</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  </div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="preprocessor"> shared (sizeInnerBlock,sizeInnerHalfBlock,sizeOuterColumn,sizeOuterHalfColumn, \</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="preprocessor"> qureg,depolLevel,numTasks,targetQubit) \</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="preprocessor"> private (thisTask,thisInnerBlock,thisOuterColumn,thisIndex,thisIndexInOuterColumn, \</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="preprocessor"> thisIndexInInnerBlock,outerBit)</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  {</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="comment">// thisTask iterates over half the elements in this process' chunk of the density matrix</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="comment">// treat this as iterating over all columns, then iterating over half the values</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="comment">// within one column.</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="comment">// If this function has been called, this process' chunk contains half an </span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="comment">// outer block or less</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="comment">// we want to process all columns in the density matrix,</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="comment">// updating the values for half of each column (one half of each inner block)</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  thisOuterColumn = thisTask / sizeOuterHalfColumn;</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  thisIndexInOuterColumn = thisTask&(sizeOuterHalfColumn-1); <span class="comment">// thisTask % sizeOuterHalfColumn</span></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  thisInnerBlock = thisIndexInOuterColumn/sizeInnerHalfBlock;</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="comment">// get index in state vector corresponding to upper inner block</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  thisIndexInInnerBlock = thisTask&(sizeInnerHalfBlock-1); <span class="comment">// thisTask % sizeInnerHalfBlock</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  thisIndex = thisOuterColumn*sizeOuterColumn + thisInnerBlock*sizeInnerBlock </div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  + thisIndexInInnerBlock;</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="comment">// check if we are in the upper or lower half of an outer block</span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  outerBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(targetQubit, (thisIndex+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)>>qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">// if we are in the lower half of an outer block, shift to be in the lower half</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="comment">// of the inner block as well (we want to dephase |0><0| and |1><1| only)</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  thisIndex += outerBit*(sizeInnerHalfBlock);</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  </div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="comment">// NOTE: at this point thisIndex should be the index of the element we want to </span></div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="comment">// dephase in the chunk of the state vector on this process, in the </span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="comment">// density matrix representation. </span></div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="comment">// thisTask is the index of the pair element in pairStateVec</span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  </div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  </div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="comment">// state[thisIndex] = (1-depolLevel)*state[thisIndex] + depolLevel*(state[thisIndex]</span></div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// + pair[thisTask])/2</span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] = (1-depolLevel)*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] +</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  depolLevel*(qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] + qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real[thisTask])/2;</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  </div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] = (1-depolLevel)*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] +</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  depolLevel*(qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] + qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag[thisTask])/2;</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  } </div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  } </div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> }</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  </div>
<div class="line"><a name="l00306"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a8d9c19a3424f0ad89bfbfd920d65301d"> 306</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a8d9c19a3424f0ad89bfbfd920d65301d">densmatr_mixDampingDistributed</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> damping) {</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> retain=1-damping;</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> dephase=sqrt(1-damping);</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  </div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="comment">// multiply the off-diagonal (|0><1| and |1><0|) terms by sqrt(1-damping)</span></div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <a class="code" href="QuEST__cpu_8c.html#a717a0448066831cb5b392bcf2e1d0529">densmatr_oneQubitDegradeOffDiagonal</a>(qureg, targetQubit, dephase);</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  </div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="comment">// below, we modify the diagonals terms which require |1><1| to |0><0| communication</span></div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  </div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeInnerBlock, sizeInnerHalfBlock;</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeOuterColumn, sizeOuterHalfColumn;</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisInnerBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  thisOuterColumn, <span class="comment">// current column in density matrix</span></div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  thisIndex, <span class="comment">// current index in (density matrix representation) state vector</span></div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  thisIndexInOuterColumn,</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  thisIndexInInnerBlock; </div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordtype">int</span> outerBit; </div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordtype">int</span> stateBit;</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  </div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>>>1;</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  </div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  sizeInnerHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  sizeInnerBlock = 2LL * sizeInnerHalfBlock; </div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  sizeOuterColumn = 1LL << qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>;</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  sizeOuterHalfColumn = sizeOuterColumn >> 1;</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  </div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="preprocessor"> shared (sizeInnerBlock,sizeInnerHalfBlock,sizeOuterColumn,sizeOuterHalfColumn, \</span></div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="preprocessor"> qureg,damping, retain, dephase, numTasks,targetQubit) \</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="preprocessor"> private (thisTask,thisInnerBlock,thisOuterColumn,thisIndex,thisIndexInOuterColumn, \</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="preprocessor"> thisIndexInInnerBlock,outerBit, stateBit)</span></div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  {</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="comment">// thisTask iterates over half the elements in this process' chunk of the density matrix</span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="comment">// treat this as iterating over all columns, then iterating over half the values</span></div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="comment">// within one column.</span></div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="comment">// If this function has been called, this process' chunk contains half an </span></div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="comment">// outer block or less</span></div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="comment">// we want to process all columns in the density matrix,</span></div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="comment">// updating the values for half of each column (one half of each inner block)</span></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  thisOuterColumn = thisTask / sizeOuterHalfColumn;</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  thisIndexInOuterColumn = thisTask&(sizeOuterHalfColumn-1); <span class="comment">// thisTask % sizeOuterHalfColumn</span></div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  thisInnerBlock = thisIndexInOuterColumn/sizeInnerHalfBlock;</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="comment">// get index in state vector corresponding to upper inner block</span></div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  thisIndexInInnerBlock = thisTask&(sizeInnerHalfBlock-1); <span class="comment">// thisTask % sizeInnerHalfBlock</span></div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  thisIndex = thisOuterColumn*sizeOuterColumn + thisInnerBlock*sizeInnerBlock </div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  + thisIndexInInnerBlock;</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="comment">// check if we are in the upper or lower half of an outer block</span></div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  outerBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(targetQubit, (thisIndex+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)>>qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="comment">// if we are in the lower half of an outer block, shift to be in the lower half</span></div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="comment">// of the inner block as well (we want to dephase |0><0| and |1><1| only)</span></div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  thisIndex += outerBit*(sizeInnerHalfBlock);</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  </div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="comment">// NOTE: at this point thisIndex should be the index of the element we want to </span></div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="comment">// dephase in the chunk of the state vector on this process, in the </span></div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="comment">// density matrix representation. </span></div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="comment">// thisTask is the index of the pair element in pairStateVec</span></div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  </div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="comment">// Extract state bit, is 0 if thisIndex corresponds to a state with 0 in the target qubit</span></div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="comment">// and is 1 if thisIndex corresponds to a state with 1 in the target qubit</span></div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  stateBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(targetQubit, (thisIndex+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>));</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  </div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="comment">// state[thisIndex] = (1-depolLevel)*state[thisIndex] + depolLevel*(state[thisIndex]</span></div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="comment">// + pair[thisTask])/2</span></div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">if</span>(stateBit == 0){</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] +</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  damping*( qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real[thisTask]);</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  </div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] +</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  damping*( qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag[thisTask]);</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  } <span class="keywordflow">else</span>{</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex];</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  </div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] = retain*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex];</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  }</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  } </div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  } </div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> }</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  </div>
<div class="line"><a name="l00393"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a3510f01d4d15dcc545564eb84c668cad"> 393</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a3510f01d4d15dcc545564eb84c668cad">densmatr_mixTwoQubitDepolarisingLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> qubit1, <span class="keywordtype">int</span> qubit2, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> delta, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> gamma) {</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerMaskQubit1 = 1LL << qubit1;</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerMaskQubit1= 1LL << (qubit1 + qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> totMaskQubit1 = innerMaskQubit1 | outerMaskQubit1;</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerMaskQubit2 = 1LL << qubit2;</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerMaskQubit2 = 1LL << (qubit2 + qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> totMaskQubit2 = innerMaskQubit2 | outerMaskQubit2;</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  </div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> partner;</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisPatternQubit1, thisPatternQubit2;</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  </div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> real00, imag00;</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  </div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span> <span class="preprocessor"> shared (totMaskQubit1,totMaskQubit2,qureg,delta,gamma,numTasks) \</span></div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="preprocessor"> private (thisTask,partner,thisPatternQubit1,thisPatternQubit2,real00,imag00)</span></div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  {</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="comment">//--------------------------------------- STEP ONE ---------------------</span></div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++){ </div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  thisPatternQubit1 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&totMaskQubit1;</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  thisPatternQubit2 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&totMaskQubit2;</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">if</span> ((thisPatternQubit1==0) && ((thisPatternQubit2==0) </div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  || (thisPatternQubit2==totMaskQubit2))){ </div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="comment">//this element of form |...X...0...><...X...0...| for X either 0 or 1.</span></div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  partner = thisTask | totMaskQubit1;</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  real00 = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask];</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  imag00 = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask];</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  </div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] </div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner];</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] </div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner];</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  </div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] + delta*real00;</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] + delta*imag00;</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  </div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  }</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  }</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="comment">//--------------------------------------- STEP TWO ---------------------</span></div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++){ </div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  thisPatternQubit1 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&totMaskQubit1;</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  thisPatternQubit2 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&totMaskQubit2;</div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordflow">if</span> ((thisPatternQubit2==0) && ((thisPatternQubit1==0) </div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  || (thisPatternQubit1==totMaskQubit1))){ </div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="comment">//this element of form |...0...X...><...0...X...| for X either 0 or 1.</span></div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  partner = thisTask | totMaskQubit2;</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  real00 = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask];</div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  imag00 = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask];</div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  </div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] </div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner];</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] </div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner];</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  </div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] + delta*real00;</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] + delta*imag00;</div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  </div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  }</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  }</div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  </div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="comment">//--------------------------------------- STEP THREE ---------------------</span></div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++){ </div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  thisPatternQubit1 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&totMaskQubit1;</div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  thisPatternQubit2 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&totMaskQubit2;</div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="keywordflow">if</span> ((thisPatternQubit2==0) && ((thisPatternQubit1==0) </div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  || (thisPatternQubit1==totMaskQubit1))){ </div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="comment">//this element of form |...0...X...><...0...X...| for X either 0 or 1.</span></div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  partner = thisTask | totMaskQubit2;</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  partner = partner ^ totMaskQubit1;</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  real00 = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask];</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  imag00 = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask];</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  </div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = gamma * (qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] </div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner]);</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = gamma * (qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] </div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner]);</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  </div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] = gamma * (qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] </div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  + delta*real00);</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] = gamma * (qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] </div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  + delta*imag00);</div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  </div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  }</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  }</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  }</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> }</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  </div>
<div class="line"><a name="l00494"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ae90f82418e0aa67218d733dbbc681998"> 494</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ae90f82418e0aa67218d733dbbc681998">densmatr_mixTwoQubitDepolarisingLocalPart1</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> qubit1, <span class="keywordtype">int</span> qubit2, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> delta) {</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerMaskQubit1 = 1LL << qubit1;</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerMaskQubit1= 1LL << (qubit1 + qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> totMaskQubit1 = innerMaskQubit1 | outerMaskQubit1;</div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerMaskQubit2 = 1LL << qubit2;</div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerMaskQubit2 = 1LL << (qubit2 + qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> totMaskQubit2 = innerMaskQubit2 | outerMaskQubit2;</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="comment">// correct for being in a particular chunk</span></div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="comment">//totMaskQubit2 = totMaskQubit2&(qureg.numAmpsPerChunk-1); // totMaskQubit2 % numAmpsPerChunk</span></div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  </div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  </div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> partner;</div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisPatternQubit1, thisPatternQubit2;</div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  </div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> real00, imag00;</div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  </div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span> <span class="preprocessor"> shared (totMaskQubit1,totMaskQubit2,qureg,delta,numTasks) \</span></div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span> <span class="preprocessor"> private (thisTask,partner,thisPatternQubit1,thisPatternQubit2,real00,imag00)</span></div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  {</div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  </div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="comment">//--------------------------------------- STEP ONE ---------------------</span></div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask ++){ </div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  thisPatternQubit1 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&totMaskQubit1;</div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  thisPatternQubit2 = (thisTask+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)&totMaskQubit2;</div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keywordflow">if</span> ((thisPatternQubit1==0) && ((thisPatternQubit2==0) </div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  || (thisPatternQubit2==totMaskQubit2))){ </div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="comment">//this element of form |...X...0...><...X...0...| for X either 0 or 1.</span></div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  partner = thisTask | totMaskQubit1;</div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  real00 = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask];</div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  imag00 = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask];</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  </div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask] </div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner];</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask] </div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner];</div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  </div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner] + delta*real00;</div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner] + delta*imag00;</div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  </div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  }</div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  }</div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  }</div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span> }</div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  </div>
<div class="line"><a name="l00547"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a2f76ec8f08e19bb8e1254aafb10e160e"> 547</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a2f76ec8f08e19bb8e1254aafb10e160e">densmatr_mixTwoQubitDepolarisingDistributed</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, </div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="keywordtype">int</span> qubit2, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> delta, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> gamma) {</div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  </div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeInnerBlockQ1, sizeInnerHalfBlockQ1;</div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeInnerBlockQ2, sizeInnerHalfBlockQ2, sizeInnerQuarterBlockQ2;</div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeOuterColumn, sizeOuterQuarterColumn;</div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisInnerBlockQ2,</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  thisOuterColumn, <span class="comment">// current column in density matrix</span></div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  thisIndex, <span class="comment">// current index in (density matrix representation) state vector</span></div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  thisIndexInOuterColumn,</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  thisIndexInInnerBlockQ1, </div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  thisIndexInInnerBlockQ2, </div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  thisInnerBlockQ1InInnerBlockQ2;</div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keywordtype">int</span> outerBitQ1, outerBitQ2; </div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  </div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>>>2;</div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  </div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  sizeInnerHalfBlockQ1 = 1LL << targetQubit; </div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  sizeInnerHalfBlockQ2 = 1LL << qubit2; </div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  sizeInnerQuarterBlockQ2 = sizeInnerHalfBlockQ2 >> 1; </div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  sizeInnerBlockQ2 = sizeInnerHalfBlockQ2 << 1; </div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  sizeInnerBlockQ1 = 2LL * sizeInnerHalfBlockQ1; </div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  sizeOuterColumn = 1LL << qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>;</div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  sizeOuterQuarterColumn = sizeOuterColumn >> 2;</div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  </div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span> <span class="preprocessor"> shared (sizeInnerBlockQ1,sizeInnerHalfBlockQ1,sizeInnerBlockQ2,sizeInnerHalfBlockQ2,sizeInnerQuarterBlockQ2,\</span></div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span> <span class="preprocessor"> sizeOuterColumn,sizeOuterQuarterColumn,qureg,delta,gamma,numTasks,targetQubit,qubit2) \</span></div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span> <span class="preprocessor"> private (thisTask,thisInnerBlockQ2,thisInnerBlockQ1InInnerBlockQ2, \</span></div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span> <span class="preprocessor"> thisOuterColumn,thisIndex,thisIndexInOuterColumn, \</span></div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span> <span class="preprocessor"> thisIndexInInnerBlockQ1,thisIndexInInnerBlockQ2,outerBitQ1,outerBitQ2)</span></div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  {</div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="comment">// thisTask iterates over half the elements in this process' chunk of the density matrix</span></div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="comment">// treat this as iterating over all columns, then iterating over half the values</span></div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="comment">// within one column.</span></div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <span class="comment">// If this function has been called, this process' chunk contains half an </span></div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  <span class="comment">// outer block or less</span></div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  <span class="comment">// we want to process all columns in the density matrix,</span></div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <span class="comment">// updating the values for half of each column (one half of each inner block)</span></div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  thisOuterColumn = thisTask / sizeOuterQuarterColumn;</div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <span class="comment">// thisTask % sizeOuterQuarterColumn</span></div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  thisIndexInOuterColumn = thisTask&(sizeOuterQuarterColumn-1); </div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  thisInnerBlockQ2 = thisIndexInOuterColumn / sizeInnerQuarterBlockQ2;</div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  <span class="comment">// thisTask % sizeInnerQuarterBlockQ2;</span></div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  thisIndexInInnerBlockQ2 = thisTask&(sizeInnerQuarterBlockQ2-1);</div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  thisInnerBlockQ1InInnerBlockQ2 = thisIndexInInnerBlockQ2 / sizeInnerHalfBlockQ1;</div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  <span class="comment">// thisTask % sizeInnerHalfBlockQ1;</span></div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  thisIndexInInnerBlockQ1 = thisTask&(sizeInnerHalfBlockQ1-1);</div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  </div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="comment">// get index in state vector corresponding to upper inner block</span></div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  thisIndex = thisOuterColumn*sizeOuterColumn + thisInnerBlockQ2*sizeInnerBlockQ2 </div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  + thisInnerBlockQ1InInnerBlockQ2*sizeInnerBlockQ1 + thisIndexInInnerBlockQ1;</div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  </div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="comment">// check if we are in the upper or lower half of an outer block for Q1</span></div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  outerBitQ1 = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(targetQubit, (thisIndex+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)>>qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  <span class="comment">// if we are in the lower half of an outer block, shift to be in the lower half</span></div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  <span class="comment">// of the inner block as well (we want to dephase |0><0| and |1><1| only)</span></div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  thisIndex += outerBitQ1*(sizeInnerHalfBlockQ1);</div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  </div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="comment">// check if we are in the upper or lower half of an outer block for Q2</span></div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  outerBitQ2 = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(qubit2, (thisIndex+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)>>qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  <span class="comment">// if we are in the lower half of an outer block, shift to be in the lower half</span></div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="comment">// of the inner block as well (we want to dephase |0><0| and |1><1| only)</span></div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  thisIndex += outerBitQ2*(sizeInnerQuarterBlockQ2<<1);</div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  </div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="comment">// NOTE: at this point thisIndex should be the index of the element we want to </span></div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="comment">// dephase in the chunk of the state vector on this process, in the </span></div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="comment">// density matrix representation. </span></div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  <span class="comment">// thisTask is the index of the pair element in pairStateVec</span></div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  </div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  </div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  <span class="comment">// state[thisIndex] = (1-depolLevel)*state[thisIndex] + depolLevel*(state[thisIndex]</span></div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  <span class="comment">// + pair[thisTask])/2</span></div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <span class="comment">// NOTE: must set gamma=1 if using this function for steps 1 or 2</span></div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] = gamma*(qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] +</div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  delta*qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real[thisTask]);</div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] = gamma*(qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] +</div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  delta*qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag[thisTask]);</div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  } </div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  } </div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span> }</div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  </div>
<div class="line"><a name="l00638"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#acabdfbd3184d3ab3bded61e24142b800"> 638</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#acabdfbd3184d3ab3bded61e24142b800">densmatr_mixTwoQubitDepolarisingQ1LocalQ2DistributedPart3</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, </div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  <span class="keywordtype">int</span> qubit2, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> delta, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> gamma) {</div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  </div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeInnerBlockQ1, sizeInnerHalfBlockQ1;</div>
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeInnerBlockQ2, sizeInnerHalfBlockQ2, sizeInnerQuarterBlockQ2;</div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeOuterColumn, sizeOuterQuarterColumn;</div>
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisInnerBlockQ2,</div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  thisOuterColumn, <span class="comment">// current column in density matrix</span></div>
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  thisIndex, <span class="comment">// current index in (density matrix representation) state vector</span></div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  thisIndexInPairVector,</div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  thisIndexInOuterColumn,</div>
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  thisIndexInInnerBlockQ1, </div>
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  thisIndexInInnerBlockQ2, </div>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  thisInnerBlockQ1InInnerBlockQ2;</div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <span class="keywordtype">int</span> outerBitQ1, outerBitQ2; </div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  </div>
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>>>2;</div>
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  </div>
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  sizeInnerHalfBlockQ1 = 1LL << targetQubit; </div>
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  sizeInnerHalfBlockQ2 = 1LL << qubit2; </div>
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  sizeInnerQuarterBlockQ2 = sizeInnerHalfBlockQ2 >> 1; </div>
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  sizeInnerBlockQ2 = sizeInnerHalfBlockQ2 << 1; </div>
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  sizeInnerBlockQ1 = 2LL * sizeInnerHalfBlockQ1; </div>
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  sizeOuterColumn = 1LL << qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>;</div>
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  sizeOuterQuarterColumn = sizeOuterColumn >> 2;</div>
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  </div>
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span> <span class="comment">//# if 0</span></div>
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span> <span class="preprocessor"> shared (sizeInnerBlockQ1,sizeInnerHalfBlockQ1,sizeInnerBlockQ2,sizeInnerHalfBlockQ2,sizeInnerQuarterBlockQ2,\</span></div>
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span> <span class="preprocessor"> sizeOuterColumn,sizeOuterQuarterColumn,qureg,delta,gamma, numTasks,targetQubit,qubit2) \</span></div>
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span> <span class="preprocessor"> private (thisTask,thisInnerBlockQ2,thisInnerBlockQ1InInnerBlockQ2, \</span></div>
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span> <span class="preprocessor"> thisOuterColumn,thisIndex,thisIndexInPairVector,thisIndexInOuterColumn, \</span></div>
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span> <span class="preprocessor"> thisIndexInInnerBlockQ1,thisIndexInInnerBlockQ2,outerBitQ1,outerBitQ2)</span></div>
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  {</div>
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span> <span class="comment">//# endif</span></div>
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  <span class="comment">// thisTask iterates over half the elements in this process' chunk of the density matrix</span></div>
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  <span class="comment">// treat this as iterating over all columns, then iterating over half the values</span></div>
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  <span class="comment">// within one column.</span></div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="comment">// If this function has been called, this process' chunk contains half an </span></div>
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <span class="comment">// outer block or less</span></div>
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <span class="comment">// we want to process all columns in the density matrix,</span></div>
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  <span class="comment">// updating the values for half of each column (one half of each inner block)</span></div>
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  thisOuterColumn = thisTask / sizeOuterQuarterColumn;</div>
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="comment">// thisTask % sizeOuterQuarterColumn</span></div>
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  thisIndexInOuterColumn = thisTask&(sizeOuterQuarterColumn-1); </div>
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  thisInnerBlockQ2 = thisIndexInOuterColumn / sizeInnerQuarterBlockQ2;</div>
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  <span class="comment">// thisTask % sizeInnerQuarterBlockQ2;</span></div>
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  thisIndexInInnerBlockQ2 = thisTask&(sizeInnerQuarterBlockQ2-1);</div>
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  thisInnerBlockQ1InInnerBlockQ2 = thisIndexInInnerBlockQ2 / sizeInnerHalfBlockQ1;</div>
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  <span class="comment">// thisTask % sizeInnerHalfBlockQ1;</span></div>
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  thisIndexInInnerBlockQ1 = thisTask&(sizeInnerHalfBlockQ1-1);</div>
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  </div>
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="comment">// get index in state vector corresponding to upper inner block</span></div>
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  thisIndex = thisOuterColumn*sizeOuterColumn + thisInnerBlockQ2*sizeInnerBlockQ2 </div>
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  + thisInnerBlockQ1InInnerBlockQ2*sizeInnerBlockQ1 + thisIndexInInnerBlockQ1;</div>
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  </div>
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <span class="comment">// check if we are in the upper or lower half of an outer block for Q1</span></div>
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  outerBitQ1 = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(targetQubit, (thisIndex+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)>>qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  <span class="comment">// if we are in the lower half of an outer block, shift to be in the lower half</span></div>
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  <span class="comment">// of the inner block as well (we want to dephase |0><0| and |1><1| only)</span></div>
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  thisIndex += outerBitQ1*(sizeInnerHalfBlockQ1);</div>
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  </div>
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  <span class="comment">// For part 3 we need to match elements such that (my Q1 != pair Q1) AND (my Q2 != pair Q2)</span></div>
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  <span class="comment">// Find correct index in pairStateVector</span></div>
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  thisIndexInPairVector = thisTask + (1-outerBitQ1)*sizeInnerHalfBlockQ1*sizeOuterQuarterColumn -</div>
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  outerBitQ1*sizeInnerHalfBlockQ1*sizeOuterQuarterColumn;</div>
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  </div>
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  <span class="comment">// check if we are in the upper or lower half of an outer block for Q2</span></div>
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  outerBitQ2 = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(qubit2, (thisIndex+qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>*qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>)>>qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <span class="comment">// if we are in the lower half of an outer block, shift to be in the lower half</span></div>
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="comment">// of the inner block as well (we want to dephase |0><0| and |1><1| only)</span></div>
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  thisIndex += outerBitQ2*(sizeInnerQuarterBlockQ2<<1);</div>
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  </div>
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  </div>
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  <span class="comment">// NOTE: at this point thisIndex should be the index of the element we want to </span></div>
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  <span class="comment">// dephase in the chunk of the state vector on this process, in the </span></div>
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <span class="comment">// density matrix representation. </span></div>
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  </div>
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  </div>
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <span class="comment">// state[thisIndex] = (1-depolLevel)*state[thisIndex] + depolLevel*(state[thisIndex]</span></div>
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <span class="comment">// + pair[thisIndexInPairVector])/2</span></div>
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] = gamma*(qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisIndex] +</div>
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  delta*qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real[thisIndexInPairVector]);</div>
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  </div>
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] = gamma*(qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisIndex] +</div>
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  delta*qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag[thisIndexInPairVector]);</div>
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  } </div>
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  } </div>
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  </div>
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span> }</div>
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  </div>
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  </div>
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span> <span class="comment">/* Without nested parallelisation, only the outer most loops which call below are parallelised */</span></div>
<div class="line"><a name="l00740"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458"> 740</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> startInd, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps) {</div>
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span> <span class="preprocessor"># pragma omp parallel for schedule (static)</span></div>
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <span class="keywordflow">for</span> (i=startInd; i < startInd+numAmps; i++) {</div>
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[i] = 0;</div>
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[i] = 0;</div>
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  }</div>
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span> }</div>
<div class="line"><a name="l00750"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a031a99b7e97779f3dc782feffe86e779"> 750</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a031a99b7e97779f3dc782feffe86e779">normaliseSomeAmps</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> norm, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> startInd, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps) {</div>
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span> <span class="preprocessor"># pragma omp parallel for schedule (static)</span></div>
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  <span class="keywordflow">for</span> (i=startInd; i < startInd+numAmps; i++) {</div>
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[i] /= norm;</div>
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[i] /= norm;</div>
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  }</div>
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span> }</div>
<div class="line"><a name="l00760"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a0abdff5f6065f9d57065345e6d90fc94"> 760</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a0abdff5f6065f9d57065345e6d90fc94">alternateNormZeroingSomeAmpBlocks</a>(</div>
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  <a class="code" href="structQureg.html">Qureg</a> qureg, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> norm, <span class="keywordtype">int</span> normFirst, </div>
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> startAmpInd, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> blockSize</div>
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span> ) { </div>
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numDubBlocks = numAmps / (2*blockSize);</div>
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> blockStartInd;</div>
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  </div>
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  <span class="keywordflow">if</span> (normFirst) {</div>
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> dubBlockInd;</div>
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span> <span class="preprocessor"># pragma omp parallel for schedule (static) private (blockStartInd)</span></div>
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  <span class="keywordflow">for</span> (dubBlockInd=0; dubBlockInd < numDubBlocks; dubBlockInd++) {</div>
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  blockStartInd = startAmpInd + dubBlockInd*2*blockSize;</div>
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  <a class="code" href="QuEST__cpu_8c.html#a031a99b7e97779f3dc782feffe86e779">normaliseSomeAmps</a>(qureg, norm, blockStartInd, blockSize); <span class="comment">// |0><0|</span></div>
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  <a class="code" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a>( qureg, blockStartInd + blockSize, blockSize);</div>
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  }</div>
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> dubBlockInd;</div>
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span> <span class="preprocessor"># pragma omp parallel for schedule (static) private (blockStartInd)</span></div>
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  <span class="keywordflow">for</span> (dubBlockInd=0; dubBlockInd < numDubBlocks; dubBlockInd++) {</div>
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  blockStartInd = startAmpInd + dubBlockInd*2*blockSize;</div>
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  <a class="code" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a>( qureg, blockStartInd, blockSize);</div>
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  <a class="code" href="QuEST__cpu_8c.html#a031a99b7e97779f3dc782feffe86e779">normaliseSomeAmps</a>(qureg, norm, blockStartInd + blockSize, blockSize); <span class="comment">// |1><1|</span></div>
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  }</div>
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  }</div>
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span> }</div>
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  </div>
<div class="line"><a name="l00791"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a8a639c31701d989a5db7aa1f6b13db60"> 791</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a8a639c31701d989a5db7aa1f6b13db60">densmatr_collapseToKnownProbOutcome</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> measureQubit, <span class="keywordtype">int</span> outcome, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> totalStateProb) {</div>
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  </div>
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  <span class="comment">// only (global) indices (as bit sequence): '* outcome *(n+q) outcome *q are spared</span></div>
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  <span class="comment">// where n = measureQubit, q = qureg.numQubitsRepresented.</span></div>
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  <span class="comment">// We can thus step in blocks of 2^q+n, killing every second, and inside the others,</span></div>
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  <span class="comment">// stepping in sub-blocks of 2^q, killing every second.</span></div>
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  <span class="comment">// When outcome=1, we offset the start of these blocks by their size.</span></div>
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> innerBlockSize = (1LL << measureQubit);</div>
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerBlockSize = (1LL << (measureQubit + qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>));</div>
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  </div>
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  <span class="comment">// Because there are 2^a number of nodes(/chunks), each node will contain 2^b number of blocks,</span></div>
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  <span class="comment">// or each block will span 2^c number of nodes. Similarly for the innerblocks.</span></div>
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> locNumAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> globalStartInd = qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> * locNumAmps;</div>
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <span class="keywordtype">int</span> innerBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(measureQubit, globalStartInd);</div>
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  <span class="keywordtype">int</span> outerBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(measureQubit + qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>, globalStartInd);</div>
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  </div>
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  <span class="comment">// If this chunk's amps are entirely inside an outer block</span></div>
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  <span class="keywordflow">if</span> (locNumAmps <= outerBlockSize) {</div>
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  </div>
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  <span class="comment">// if this is an undesired outer block, kill all elems</span></div>
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  <span class="keywordflow">if</span> (outerBit != outcome) {</div>
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  <a class="code" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a>(qureg, 0, qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>);</div>
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  }</div>
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  </div>
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  <span class="comment">// othwerwise, if this is a desired outer block, and also entirely an inner block</span></div>
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  <span class="keywordflow">if</span> (locNumAmps <= innerBlockSize) {</div>
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  </div>
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  <span class="comment">// and that inner block is undesired, kill all elems</span></div>
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  <span class="keywordflow">if</span> (innerBit != outcome) </div>
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  <a class="code" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a>(qureg, 0, qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>);</div>
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  <span class="comment">// otherwise normalise all elems</span></div>
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  <a class="code" href="QuEST__cpu_8c.html#a031a99b7e97779f3dc782feffe86e779">normaliseSomeAmps</a>(qureg, totalStateProb, 0, qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>);</div>
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  </div>
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  }</div>
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  </div>
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  <span class="comment">// otherwise this is a desired outer block which contains 2^a inner blocks; kill/renorm every second inner block</span></div>
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  <a class="code" href="QuEST__cpu_8c.html#a0abdff5f6065f9d57065345e6d90fc94">alternateNormZeroingSomeAmpBlocks</a>(</div>
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  qureg, totalStateProb, innerBit==outcome, 0, qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>, innerBlockSize);</div>
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  }</div>
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  </div>
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  <span class="comment">// Otherwise, this chunk's amps contain multiple outer blocks (and hence multiple inner blocks)</span></div>
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numOuterDoubleBlocks = locNumAmps / (2*outerBlockSize);</div>
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> firstBlockInd;</div>
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  </div>
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  <span class="comment">// alternate norming* and zeroing the outer blocks (with order based on the desired outcome)</span></div>
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  <span class="comment">// These loops aren't parallelised, since they could have 1 or 2 iterations and will prevent</span></div>
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  <span class="comment">// inner parallelisation</span></div>
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  <span class="keywordflow">if</span> (outerBit == outcome) {</div>
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  </div>
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  <span class="keywordflow">for</span> (<span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerDubBlockInd = 0; outerDubBlockInd < numOuterDoubleBlocks; outerDubBlockInd++) {</div>
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  firstBlockInd = outerDubBlockInd*2*outerBlockSize;</div>
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  </div>
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  <span class="comment">// *norm only the desired inner blocks in the desired outer block</span></div>
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  <a class="code" href="QuEST__cpu_8c.html#a0abdff5f6065f9d57065345e6d90fc94">alternateNormZeroingSomeAmpBlocks</a>(</div>
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  qureg, totalStateProb, innerBit==outcome, </div>
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  firstBlockInd, outerBlockSize, innerBlockSize);</div>
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  </div>
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  <span class="comment">// zero the undesired outer block</span></div>
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  <a class="code" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a>(qureg, firstBlockInd + outerBlockSize, outerBlockSize);</div>
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  }</div>
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  </div>
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  </div>
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  <span class="keywordflow">for</span> (<span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outerDubBlockInd = 0; outerDubBlockInd < numOuterDoubleBlocks; outerDubBlockInd++) {</div>
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  firstBlockInd = outerDubBlockInd*2*outerBlockSize;</div>
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  </div>
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  <span class="comment">// same thing but undesired outer blocks come first</span></div>
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  <a class="code" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a>(qureg, firstBlockInd, outerBlockSize);</div>
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  <a class="code" href="QuEST__cpu_8c.html#a0abdff5f6065f9d57065345e6d90fc94">alternateNormZeroingSomeAmpBlocks</a>(</div>
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  qureg, totalStateProb, innerBit==outcome, </div>
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  firstBlockInd + outerBlockSize, outerBlockSize, innerBlockSize);</div>
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  }</div>
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  }</div>
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  </div>
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span> }</div>
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  </div>
<div class="line"><a name="l00872"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#af910c7cf2b85bdc2c399cfe8dbfb8b9c"> 872</a></span> <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> <a class="code" href="QuEST__cpu_8c.html#af910c7cf2b85bdc2c399cfe8dbfb8b9c">densmatr_calcPurityLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg) {</div>
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  </div>
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  <span class="comment">/* sum of qureg^2, which is sum_i |qureg[i]|^2 */</span></div>
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  </div>
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> trace = 0;</div>
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *vecRe = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *vecIm = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  </div>
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span> <span class="preprocessor"> shared (vecRe, vecIm, numAmps) \</span></div>
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span> <span class="preprocessor"> private (index) \</span></div>
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span> <span class="preprocessor"> reduction ( +:trace )</span></div>
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  {</div>
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  <span class="keywordflow">for</span> (index=0LL; index<numAmps; index++) {</div>
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  </div>
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  trace += vecRe[index]*vecRe[index] + vecIm[index]*vecIm[index];</div>
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  }</div>
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  }</div>
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  </div>
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  <span class="keywordflow">return</span> trace;</div>
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span> }</div>
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  </div>
<div class="line"><a name="l00901"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a8adaba9dbdad6f7ab41ae4b8db0abefe"> 901</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a8adaba9dbdad6f7ab41ae4b8db0abefe">densmatr_mixDensityMatrix</a>(<a class="code" href="structQureg.html">Qureg</a> combineQureg, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> otherProb, <a class="code" href="structQureg.html">Qureg</a> otherQureg) {</div>
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  </div>
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  <span class="comment">/* corresponding amplitudes live on the same node (same dimensions) */</span></div>
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  </div>
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  <span class="comment">// unpack vars for OpenMP</span></div>
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* combineVecRe = combineQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* combineVecIm = combineQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* otherVecRe = otherQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* otherVecIm = otherQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = combineQureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  </div>
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span> <span class="preprocessor"> shared (combineVecRe,combineVecIm,otherVecRe,otherVecIm, otherProb, numAmps) \</span></div>
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span> <span class="preprocessor"> private (index)</span></div>
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  {</div>
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  <span class="keywordflow">for</span> (index=0; index < numAmps; index++) {</div>
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  combineVecRe[index] *= 1-otherProb;</div>
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  combineVecIm[index] *= 1-otherProb;</div>
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  </div>
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span>  combineVecRe[index] += otherProb * otherVecRe[index];</div>
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  combineVecIm[index] += otherProb * otherVecIm[index];</div>
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span>  }</div>
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  }</div>
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span> }</div>
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  </div>
<div class="line"><a name="l00934"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a939897137596bb73ad7a028d0beaaa10"> 934</a></span> <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> <a class="code" href="QuEST__cpu_8c.html#a939897137596bb73ad7a028d0beaaa10">densmatr_calcHilbertSchmidtDistanceSquaredLocal</a>(<a class="code" href="structQureg.html">Qureg</a> a, <a class="code" href="structQureg.html">Qureg</a> b) {</div>
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  </div>
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = a.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  </div>
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *aRe = a.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *aIm = a.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *bRe = b.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *bIm = b.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  </div>
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> trace = 0;</div>
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> difRe, difIm;</div>
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  </div>
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span> <span class="preprocessor"> shared (aRe,aIm, bRe,bIm, numAmps) \</span></div>
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span> <span class="preprocessor"> private (index,difRe,difIm) \</span></div>
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span> <span class="preprocessor"> reduction ( +:trace )</span></div>
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  {</div>
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  <span class="keywordflow">for</span> (index=0LL; index<numAmps; index++) {</div>
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  </div>
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  difRe = aRe[index] - bRe[index];</div>
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  difIm = aIm[index] - bIm[index];</div>
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  trace += difRe*difRe + difIm*difIm;</div>
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  }</div>
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  }</div>
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  </div>
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  <span class="keywordflow">return</span> trace;</div>
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span> }</div>
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span>  </div>
<div class="line"><a name="l00969"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a08392b1b27d10e3b8a8648a5afeaa629"> 969</a></span> <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> <a class="code" href="QuEST__cpu_8c.html#a08392b1b27d10e3b8a8648a5afeaa629">densmatr_calcInnerProductLocal</a>(<a class="code" href="structQureg.html">Qureg</a> a, <a class="code" href="structQureg.html">Qureg</a> b) {</div>
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span>  </div>
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = a.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  </div>
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *aRe = a.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *aIm = a.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *bRe = b.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *bIm = b.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span>  </div>
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> trace = 0;</div>
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span>  </div>
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span> <span class="preprocessor"> shared (aRe,aIm, bRe,bIm, numAmps) \</span></div>
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span> <span class="preprocessor"> private (index) \</span></div>
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span> <span class="preprocessor"> reduction ( +:trace )</span></div>
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  {</div>
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  <span class="keywordflow">for</span> (index=0LL; index<numAmps; index++) {</div>
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span>  trace += aRe[index]*bRe[index] + aIm[index]*bIm[index];</div>
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span>  }</div>
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  }</div>
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span>  </div>
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span>  <span class="keywordflow">return</span> trace;</div>
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span> }</div>
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span>  </div>
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span>  </div>
<div class="line"><a name="l01001"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a7772f97cb4d92a9825bf3b7c82c3230c"> 1001</a></span> <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> <a class="code" href="QuEST__cpu_8c.html#a7772f97cb4d92a9825bf3b7c82c3230c">densmatr_calcFidelityLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <a class="code" href="structQureg.html">Qureg</a> pureState) {</div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  </div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  <span class="comment">/* Here, elements of pureState are not accessed (instead grabbed from qureg.pair).</span></div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span> <span class="comment"> * We only consult the attributes.</span></div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span> <span class="comment"> *</span></div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span> <span class="comment"> * qureg is a density matrix, and pureState is a statevector.</span></div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span> <span class="comment"> * Every node contains as many columns of qureg as amps by pureState.</span></div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span> <span class="comment"> * (each node contains an integer, exponent-of-2 number of whole columns of qureg)</span></div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span> <span class="comment"> * Ergo, this node contains columns:</span></div>
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span> <span class="comment"> * qureg.chunkID * pureState.numAmpsPerChunk to</span></div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span> <span class="comment"> * (qureg.chunkID + 1) * pureState.numAmpsPerChunk</span></div>
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span> <span class="comment"> *</span></div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span> <span class="comment"> * The first pureState.numAmpsTotal elements of qureg.pairStateVec are the</span></div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span> <span class="comment"> * entire pureState state-vector</span></div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>  </div>
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>  <span class="comment">// unpack everything for OPENMP</span></div>
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* vecRe = qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real;</div>
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* vecIm = qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag;</div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* densRe = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* densIm = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>  </div>
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  <span class="keywordtype">int</span> row, col;</div>
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>  <span class="keywordtype">int</span> dim = (int) pureState.<a class="code" href="structQureg.html#adef4935cac95763c29164cf99b144ed4">numAmpsTotal</a>; </div>
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>  <span class="keywordtype">int</span> colsPerNode = (<span class="keywordtype">int</span>) pureState.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  <span class="comment">// using only int, because density matrix has squared as many amps so its </span></div>
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  <span class="comment">// iteration would be impossible if the pureStates numAmpsTotal didn't fit into int</span></div>
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>  </div>
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>  <span class="comment">// starting GLOBAL column index of the qureg columns on this node</span></div>
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>  <span class="keywordtype">int</span> startCol = (int) (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> * pureState.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>);</div>
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>  </div>
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> densElemRe, densElemIm;</div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> prefacRe, prefacIm;</div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rowSumRe, rowSumIm;</div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> vecElemRe, vecElemIm;</div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  </div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  <span class="comment">// quantity computed by this node</span></div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> globalSumRe = 0; <span class="comment">// imag-component is assumed zero</span></div>
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  </div>
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span> <span class="preprocessor"> shared (vecRe,vecIm,densRe,densIm, dim,colsPerNode,startCol) \</span></div>
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span> <span class="preprocessor"> private (row,col, prefacRe,prefacIm, rowSumRe,rowSumIm, densElemRe,densElemIm, vecElemRe,vecElemIm) \</span></div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span> <span class="preprocessor"> reduction ( +:globalSumRe )</span></div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  {</div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>  <span class="comment">// indices of my GLOBAL row</span></div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  <span class="keywordflow">for</span> (row=0; row < dim; row++) {</div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  </div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  <span class="comment">// single element of conj(pureState)</span></div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  prefacRe = vecRe[row];</div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  prefacIm = - vecIm[row];</div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  </div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>  rowSumRe = 0;</div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  rowSumIm = 0;</div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  </div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  <span class="comment">// indices of my LOCAL column</span></div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>  <span class="keywordflow">for</span> (col=0; col < colsPerNode; col++) {</div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>  </div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>  <span class="comment">// my local density element</span></div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  densElemRe = densRe[row + dim*col];</div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  densElemIm = densIm[row + dim*col];</div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>  </div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>  <span class="comment">// state-vector element</span></div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>  vecElemRe = vecRe[startCol + col];</div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  vecElemIm = vecIm[startCol + col];</div>
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>  </div>
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>  rowSumRe += densElemRe*vecElemRe - densElemIm*vecElemIm;</div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  rowSumIm += densElemRe*vecElemIm + densElemIm*vecElemRe;</div>
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>  }</div>
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>  </div>
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  globalSumRe += rowSumRe*prefacRe - rowSumIm*prefacIm; </div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>  }</div>
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>  }</div>
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>  </div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  <span class="keywordflow">return</span> globalSumRe;</div>
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span> }</div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>  </div>
<div class="line"><a name="l01082"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a6fbb3b693f25dde1e9e3dc87dc1984f7"> 1082</a></span> <a class="code" href="structComplex.html">Complex</a> <a class="code" href="QuEST__cpu_8c.html#a6fbb3b693f25dde1e9e3dc87dc1984f7">statevec_calcInnerProductLocal</a>(<a class="code" href="structQureg.html">Qureg</a> bra, <a class="code" href="structQureg.html">Qureg</a> ket) {</div>
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  </div>
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> innerProdReal = 0;</div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> innerProdImag = 0;</div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  </div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = bra.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *braVecReal = bra.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *braVecImag = bra.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *ketVecReal = ket.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *ketVecImag = ket.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  </div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> braRe, braIm, ketRe, ketIm;</div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>  </div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span> <span class="preprocessor"> shared (braVecReal, braVecImag, ketVecReal, ketVecImag, numAmps) \</span></div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span> <span class="preprocessor"> private (index, braRe, braIm, ketRe, ketIm) \</span></div>
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span> <span class="preprocessor"> reduction ( +:innerProdReal, innerProdImag )</span></div>
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>  {</div>
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>  <span class="keywordflow">for</span> (index=0; index < numAmps; index++) {</div>
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>  braRe = braVecReal[index];</div>
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>  braIm = braVecImag[index];</div>
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>  ketRe = ketVecReal[index];</div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  ketIm = ketVecImag[index];</div>
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>  </div>
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>  <span class="comment">// conj(bra_i) * ket_i</span></div>
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  innerProdReal += braRe*ketRe + braIm*ketIm;</div>
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>  innerProdImag += braRe*ketIm - braIm*ketRe;</div>
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  }</div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>  }</div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>  </div>
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>  <a class="code" href="structComplex.html">Complex</a> innerProd;</div>
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>  innerProd.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a> = innerProdReal;</div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>  innerProd.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a> = innerProdImag;</div>
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>  <span class="keywordflow">return</span> innerProd;</div>
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span> }</div>
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>  </div>
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>  </div>
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>  </div>
<div class="line"><a name="l01126"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a20a155f53efc45c16803d7539c2c199d"> 1126</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a20a155f53efc45c16803d7539c2c199d">densmatr_initClassicalState</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateInd)</div>
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span> {</div>
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> densityNumElems = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>  </div>
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  <span class="comment">// Can't use qureg->stateVec as a private OMP var</span></div>
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *densityReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *densityImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>  </div>
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>  <span class="comment">// initialise the state to all zeros</span></div>
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span> <span class="preprocessor"> shared (densityNumElems, densityReal, densityImag) \</span></div>
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span> <span class="preprocessor"> private (index) </span></div>
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>  {</div>
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>  <span class="keywordflow">for</span> (index=0; index<densityNumElems; index++) {</div>
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>  densityReal[index] = 0.0;</div>
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>  densityImag[index] = 0.0;</div>
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>  }</div>
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>  }</div>
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>  </div>
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>  <span class="comment">// index of the single density matrix elem to set non-zero</span></div>
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> densityDim = 1LL << qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>;</div>
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> densityInd = (densityDim + 1)*stateInd;</div>
<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>  </div>
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>  <span class="comment">// give the specified classical state prob 1</span></div>
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>  <span class="keywordflow">if</span> (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> == densityInd / densityNumElems){</div>
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>  densityReal[densityInd % densityNumElems] = 1.0;</div>
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>  densityImag[densityInd % densityNumElems] = 0.0;</div>
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>  }</div>
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span> }</div>
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>  </div>
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>  </div>
<div class="line"><a name="l01165"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ad5b2ac0b00afa495f385520b2c5fa839"> 1165</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ad5b2ac0b00afa495f385520b2c5fa839">densmatr_initPlusState</a> (<a class="code" href="structQureg.html">Qureg</a> qureg)</div>
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span> {</div>
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>  <span class="comment">// |+><+| = sum_i 1/sqrt(2^N) |i> 1/sqrt(2^N) <j| = sum_ij 1/2^N |i><j|</span></div>
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> dim = (1LL << qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> probFactor = 1.0/((<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>) dim);</div>
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>  </div>
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>  <span class="comment">// Can't use qureg->stateVec as a private OMP var</span></div>
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *densityReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *densityImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>  </div>
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>  <span class="comment">// initialise the state to |+++..+++> = 1/normFactor {1, 1, 1, ...}</span></div>
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span> <span class="preprocessor"> shared (chunkSize, densityReal, densityImag, probFactor) \</span></div>
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span> <span class="preprocessor"> private (index) </span></div>
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>  {</div>
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>  <span class="keywordflow">for</span> (index=0; index<chunkSize; index++) {</div>
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>  densityReal[index] = probFactor;</div>
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>  densityImag[index] = 0.0;</div>
<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>  }</div>
<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>  }</div>
<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span> }</div>
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>  </div>
<div class="line"><a name="l01195"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a1b36518c8fbbc3a5084bb4ad1fb05ea5"> 1195</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a1b36518c8fbbc3a5084bb4ad1fb05ea5">densmatr_initPureStateLocal</a>(<a class="code" href="structQureg.html">Qureg</a> targetQureg, <a class="code" href="structQureg.html">Qureg</a> copyQureg) {</div>
<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>  </div>
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>  <span class="comment">/* copyQureg amps aren't explicitly used - they're accessed through targetQureg.pair,</span></div>
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span> <span class="comment"> * which contains the full pure statevector.</span></div>
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span> <span class="comment"> * targetQureg has as many columns on node as copyQureg has amps</span></div>
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>  </div>
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> colOffset = targetQureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> * copyQureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> colsPerNode = copyQureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> rowsPerNode = copyQureg.<a class="code" href="structQureg.html#adef4935cac95763c29164cf99b144ed4">numAmpsTotal</a>;</div>
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>  </div>
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>  <span class="comment">// unpack vars for OpenMP</span></div>
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* vecRe = targetQureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real;</div>
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* vecIm = targetQureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag;</div>
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* densRe = targetQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* densIm = targetQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>  </div>
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> col, row, index;</div>
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>  </div>
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>  <span class="comment">// a_i conj(a_j) |i><j|</span></div>
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> ketRe, ketIm, braRe, braIm;</div>
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>  </div>
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span> <span class="preprocessor"> shared (colOffset, colsPerNode,rowsPerNode, vecRe,vecIm,densRe,densIm) \</span></div>
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span> <span class="preprocessor"> private (col,row, ketRe,ketIm,braRe,braIm, index) </span></div>
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>  {</div>
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>  <span class="comment">// local column</span></div>
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>  <span class="keywordflow">for</span> (col=0; col < colsPerNode; col++) {</div>
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>  </div>
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>  <span class="comment">// global row</span></div>
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>  <span class="keywordflow">for</span> (row=0; row < rowsPerNode; row++) {</div>
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>  </div>
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>  <span class="comment">// get pure state amps</span></div>
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>  ketRe = vecRe[row];</div>
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>  ketIm = vecIm[row];</div>
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>  braRe = vecRe[col + colOffset];</div>
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>  braIm = - vecIm[col + colOffset]; <span class="comment">// minus for conjugation</span></div>
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>  </div>
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>  <span class="comment">// update density matrix</span></div>
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>  index = row + col*rowsPerNode; <span class="comment">// local ind</span></div>
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>  densRe[index] = ketRe*braRe - ketIm*braIm;</div>
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>  densIm[index] = ketRe*braIm + ketIm*braRe;</div>
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>  }</div>
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>  }</div>
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>  }</div>
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span> }</div>
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>  </div>
<div class="line"><a name="l01248"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#aa121d55f2ca09c06a96ddcd433c60b0f"> 1248</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#aa121d55f2ca09c06a96ddcd433c60b0f">statevec_setAmps</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> startInd, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* reals, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* imags, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps) {</div>
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>  </div>
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>  <span class="comment">/* this is actually distributed, since the user's code runs on every node */</span></div>
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>  </div>
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>  <span class="comment">// local start/end indices of the given amplitudes, assuming they fit in this chunk</span></div>
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>  <span class="comment">// these may be negative or above qureg.numAmpsPerChunk</span></div>
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localStartInd = startInd - qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>*qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localEndInd = localStartInd + numAmps; <span class="comment">// exclusive</span></div>
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>  </div>
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>  <span class="comment">// add this to a local index to get corresponding elem in reals & imags</span></div>
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> offset = qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>*qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a> - startInd;</div>
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>  </div>
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>  <span class="comment">// restrict these indices to fit into this chunk</span></div>
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>  <span class="keywordflow">if</span> (localStartInd < 0)</div>
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>  localStartInd = 0;</div>
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>  <span class="keywordflow">if</span> (localEndInd > qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>)</div>
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>  localEndInd = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>  <span class="comment">// they may now be out of order = no iterations</span></div>
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>  </div>
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>  <span class="comment">// unpacking OpenMP vars</span></div>
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* vecRe = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* vecIm = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>  </div>
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span> <span class="preprocessor"> shared (localStartInd,localEndInd, vecRe,vecIm, reals,imags, offset) \</span></div>
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span> <span class="preprocessor"> private (index) </span></div>
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>  {</div>
<div class="line"><a name="l01279"></a><span class="lineno"> 1279</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>  <span class="comment">// iterate these local inds - this might involve no iterations</span></div>
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>  <span class="keywordflow">for</span> (index=localStartInd; index < localEndInd; index++) {</div>
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>  vecRe[index] = reals[index + offset];</div>
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>  vecIm[index] = imags[index + offset];</div>
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>  }</div>
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>  }</div>
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span> }</div>
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>  </div>
<div class="line"><a name="l01290"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a365bbb1b80cb00405c8bf1a4fa1ea8e5"> 1290</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a365bbb1b80cb00405c8bf1a4fa1ea8e5">statevec_createQureg</a>(<a class="code" href="structQureg.html">Qureg</a> *qureg, <span class="keywordtype">int</span> numQubits, <a class="code" href="structQuESTEnv.html">QuESTEnv</a> env)</div>
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span> {</div>
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = 1LL << numQubits;</div>
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmpsPerRank = numAmps/env.<a class="code" href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">numRanks</a>;</div>
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>  </div>
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>  <span class="keywordflow">if</span> (numAmpsPerRank > SIZE_MAX) {</div>
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>  printf(<span class="stringliteral">"Could not allocate memory (cannot fit numAmps into size_t)!"</span>);</div>
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>  exit (EXIT_FAILURE);</div>
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>  }</div>
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>  </div>
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>  <span class="keywordtype">size_t</span> arrSize = (size_t) (numAmpsPerRank * <span class="keyword">sizeof</span>(*(qureg-><a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real)));</div>
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>  qureg-><a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real = malloc(arrSize);</div>
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>  qureg-><a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag = malloc(arrSize);</div>
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>  <span class="keywordflow">if</span> (env.<a class="code" href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">numRanks</a>>1){</div>
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>  qureg-><a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real = malloc(arrSize);</div>
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>  qureg-><a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag = malloc(arrSize);</div>
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>  }</div>
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>  </div>
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>  <span class="keywordflow">if</span> ( (!(qureg-><a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real) || !(qureg-><a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag))</div>
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>  && numAmpsPerRank ) {</div>
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>  printf(<span class="stringliteral">"Could not allocate memory!"</span>);</div>
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>  exit (EXIT_FAILURE);</div>
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>  }</div>
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>  </div>
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>  <span class="keywordflow">if</span> ( env.<a class="code" href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">numRanks</a>>1 && (!(qureg-><a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real) || !(qureg-><a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag))</div>
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>  && numAmpsPerRank ) {</div>
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>  printf(<span class="stringliteral">"Could not allocate memory!"</span>);</div>
<div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>  exit (EXIT_FAILURE);</div>
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>  }</div>
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>  </div>
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>  qureg-><a class="code" href="structQureg.html#a0a86e8a50ea8c998b4a0a6640c5a1218">numQubitsInStateVec</a> = numQubits;</div>
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>  qureg-><a class="code" href="structQureg.html#adef4935cac95763c29164cf99b144ed4">numAmpsTotal</a> = numAmps;</div>
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>  qureg-><a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a> = numAmpsPerRank;</div>
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>  qureg-><a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> = env.<a class="code" href="structQuESTEnv.html#aa648bb336cf8598467cb62db00b9cee8">rank</a>;</div>
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>  qureg-><a class="code" href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">numChunks</a> = env.<a class="code" href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">numRanks</a>;</div>
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>  qureg-><a class="code" href="structQureg.html#acf78445e9435d09f44f0cc832c6aee79">isDensityMatrix</a> = 0;</div>
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span> }</div>
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>  </div>
<div class="line"><a name="l01328"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a2a52ad9f9ad9b2fd6a76f6d433b3b217"> 1328</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a2a52ad9f9ad9b2fd6a76f6d433b3b217">statevec_destroyQureg</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <a class="code" href="structQuESTEnv.html">QuESTEnv</a> env){</div>
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>  </div>
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>  qureg.<a class="code" href="structQureg.html#a0a86e8a50ea8c998b4a0a6640c5a1218">numQubitsInStateVec</a> = 0;</div>
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>  qureg.<a class="code" href="structQureg.html#adef4935cac95763c29164cf99b144ed4">numAmpsTotal</a> = 0;</div>
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>  qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a> = 0;</div>
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>  </div>
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>  free(qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real);</div>
<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>  free(qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag);</div>
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>  <span class="keywordflow">if</span> (env.<a class="code" href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">numRanks</a>>1){</div>
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>  free(qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real);</div>
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>  free(qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag);</div>
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>  }</div>
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real = NULL;</div>
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag = NULL;</div>
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>  qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real = NULL;</div>
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>  qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag = NULL;</div>
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span> }</div>
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>  </div>
<div class="line"><a name="l01346"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a0b84e6766bd682708e6211276ff0a5bb"> 1346</a></span> <a class="code" href="structDiagonalOp.html">DiagonalOp</a> <a class="code" href="QuEST__cpu_8c.html#a0b84e6766bd682708e6211276ff0a5bb">agnostic_createDiagonalOp</a>(<span class="keywordtype">int</span> numQubits, <a class="code" href="structQuESTEnv.html">QuESTEnv</a> env) {</div>
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>  </div>
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>  <span class="comment">// the 2^numQubits values will be evenly split between the env.numRanks nodes</span></div>
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>  <a class="code" href="structDiagonalOp.html">DiagonalOp</a> op;</div>
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>  op.<a class="code" href="structDiagonalOp.html#a5131eeb67aafb4c19ac98270c3266742">numQubits</a> = numQubits;</div>
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>  op.<a class="code" href="structDiagonalOp.html#a2c6eab631ef48b4978db026c98180eee">numElemsPerChunk</a> = (1LL << numQubits) / env.<a class="code" href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">numRanks</a>;</div>
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>  op.<a class="code" href="structDiagonalOp.html#aa91713a22c95a383bba55e56c4a4e37a">chunkId</a> = env.<a class="code" href="structQuESTEnv.html#aa648bb336cf8598467cb62db00b9cee8">rank</a>;</div>
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>  op.<a class="code" href="structDiagonalOp.html#ada3bffa8e414f883e415dd74e46cd879">numChunks</a> = env.<a class="code" href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">numRanks</a>;</div>
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>  </div>
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>  <span class="comment">// allocate CPU memory (initialised to zero)</span></div>
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>  op.<a class="code" href="structDiagonalOp.html#a1d66088bed235d524cd452b107694d5c">real</a> = (<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>*) calloc(op.<a class="code" href="structDiagonalOp.html#a2c6eab631ef48b4978db026c98180eee">numElemsPerChunk</a>, <span class="keyword">sizeof</span>(<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>));</div>
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>  op.<a class="code" href="structDiagonalOp.html#a85c3f52533efe831bbe40b9a48602388">imag</a> = (<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>*) calloc(op.<a class="code" href="structDiagonalOp.html#a2c6eab631ef48b4978db026c98180eee">numElemsPerChunk</a>, <span class="keyword">sizeof</span>(<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>));</div>
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>  </div>
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>  <span class="comment">// check cpu memory allocation was successful</span></div>
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>  <span class="keywordflow">if</span> ( !op.<a class="code" href="structDiagonalOp.html#a1d66088bed235d524cd452b107694d5c">real</a> || !op.<a class="code" href="structDiagonalOp.html#a85c3f52533efe831bbe40b9a48602388">imag</a> ) {</div>
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>  printf(<span class="stringliteral">"Could not allocate memory!\n"</span>);</div>
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>  exit(EXIT_FAILURE);</div>
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>  }</div>
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>  </div>
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>  <span class="keywordflow">return</span> op;</div>
<div class="line"><a name="l01366"></a><span class="lineno"> 1366</span> }</div>
<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>  </div>
<div class="line"><a name="l01368"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#af798bb01f922804016c4c5bc8d0a580f"> 1368</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#af798bb01f922804016c4c5bc8d0a580f">agnostic_destroyDiagonalOp</a>(<a class="code" href="structDiagonalOp.html">DiagonalOp</a> op) {</div>
<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>  free(op.<a class="code" href="structDiagonalOp.html#a1d66088bed235d524cd452b107694d5c">real</a>);</div>
<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>  free(op.<a class="code" href="structDiagonalOp.html#a85c3f52533efe831bbe40b9a48602388">imag</a>);</div>
<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span> }</div>
<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>  </div>
<div class="line"><a name="l01373"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a1e8f917ab42d38d8c37ba6816b24f2f5"> 1373</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a1e8f917ab42d38d8c37ba6816b24f2f5">agnostic_syncDiagonalOp</a>(<a class="code" href="structDiagonalOp.html">DiagonalOp</a> op) {</div>
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>  <span class="comment">// nothing to do on CPU</span></div>
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span> }</div>
<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>  </div>
<div class="line"><a name="l01377"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a81a87bb0f0805c9dfcb691f6cb15a1b5"> 1377</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a81a87bb0f0805c9dfcb691f6cb15a1b5">agnostic_initDiagonalOpFromPauliHamil</a>(<a class="code" href="structDiagonalOp.html">DiagonalOp</a> op, <a class="code" href="structPauliHamil.html">PauliHamil</a> hamil) {</div>
<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>  </div>
<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span>  <span class="comment">/* each node modifies its op sub-partition, evaluating the full hamil </span></div>
<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span> <span class="comment"> * for every element in the sub-partition </span></div>
<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>  </div>
<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>  <span class="comment">// unpack op</span></div>
<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> offset = op.<a class="code" href="structDiagonalOp.html#aa91713a22c95a383bba55e56c4a4e37a">chunkId</a> * op.<a class="code" href="structDiagonalOp.html#a2c6eab631ef48b4978db026c98180eee">numElemsPerChunk</a>;</div>
<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numElems = op.<a class="code" href="structDiagonalOp.html#a2c6eab631ef48b4978db026c98180eee">numElemsPerChunk</a>;</div>
<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* opRe = op.<a class="code" href="structDiagonalOp.html#a1d66088bed235d524cd452b107694d5c">real</a>;</div>
<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* opIm = op.<a class="code" href="structDiagonalOp.html#a85c3f52533efe831bbe40b9a48602388">imag</a>;</div>
<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>  </div>
<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>  <span class="comment">// unpack hamil</span></div>
<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>  <span class="keywordtype">int</span> numTerms = hamil.<a class="code" href="structPauliHamil.html#a737e46b40ef8990cf004d22eb9dbe2e4">numSumTerms</a>;</div>
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>  <span class="keywordtype">int</span> numQubits = hamil.<a class="code" href="structPauliHamil.html#acb49fff0e3160ea1904c9ca34408b4e1">numQubits</a>;</div>
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* coeffs = hamil.<a class="code" href="structPauliHamil.html#ac1c6c9f6299cf83bbba88123216c3cac">termCoeffs</a>;</div>
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>  <span class="keyword">enum</span> <a class="code" href="group__type.html#ga1c703cf89629e4e9c7023cd402d67028">pauliOpType</a>* codes = hamil.<a class="code" href="structPauliHamil.html#a4b8d38c403553c07ceddcd40c46ce6c8">pauliCodes</a>;</div>
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>  </div>
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>  <span class="comment">// private OpenMP vars</span></div>
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> i, globalInd;</div>
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> elem;</div>
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>  <span class="keywordtype">int</span> t, q, isOddNumOnes, sign;</div>
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>  </div>
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span> <span class="preprocessor"> shared (offset,numElems, opRe,opIm, numTerms,numQubits,coeffs,codes) \</span></div>
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span> <span class="preprocessor"> private (i,globalInd, elem, isOddNumOnes,t,q,sign) </span></div>
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>  {</div>
<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>  <span class="keywordflow">for</span> (i=0; i<numElems; i++) {</div>
<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>  </div>
<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>  globalInd = i + offset;</div>
<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>  elem = 0;</div>
<div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>  </div>
<div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>  <span class="comment">// add every Hamiltonian coefficient to this element, either + or -</span></div>
<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>  <span class="keywordflow">for</span> (t=0; t<numTerms; t++) {</div>
<div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>  </div>
<div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>  <span class="comment">// determine parity of ones (in globalInd basis state) of the current term's targets</span></div>
<div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>  isOddNumOnes = 0;</div>
<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>  <span class="keywordflow">for</span> (q=0; q<numQubits; q++)</div>
<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>  <span class="keywordflow">if</span> (codes[q + t*numQubits] == <a class="code" href="group__type.html#gga1c703cf89629e4e9c7023cd402d67028a085c85cff6ba79c52d8b1e61c42ddddf">PAULI_Z</a>)</div>
<div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>  <span class="keywordflow">if</span> (<a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(q, globalInd))</div>
<div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>  isOddNumOnes = !isOddNumOnes;</div>
<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>  </div>
<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>  <span class="comment">// add +- term coeff (avoiding thread divergence)</span></div>
<div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>  sign = 1 - 2*isOddNumOnes; <span class="comment">// (-1 if isOddNumOnes, else +1)</span></div>
<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>  elem += coeffs[t] * sign;</div>
<div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>  }</div>
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>  </div>
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>  opRe[i] = elem;</div>
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>  opIm[i] = 0;</div>
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>  }</div>
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>  }</div>
<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>  </div>
<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>  <span class="comment">// we don't synch to GPU, because in GPU mode, the GPU populates and synchs to RAM</span></div>
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>  <span class="comment">// agnostic_syncDiagonalOp(op);</span></div>
<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span> }</div>
<div class="line"><a name="l01438"></a><span class="lineno"> 1438</span>  </div>
<div class="line"><a name="l01439"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a1e57230c7995447039e62a84c0a36524"> 1439</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a1e57230c7995447039e62a84c0a36524">statevec_reportStateToScreen</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <a class="code" href="structQuESTEnv.html">QuESTEnv</a> env, <span class="keywordtype">int</span> reportRank){</div>
<div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>  <span class="keywordtype">int</span> rank;</div>
<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>  <span class="keywordflow">if</span> (qureg.<a class="code" href="structQureg.html#a0a86e8a50ea8c998b4a0a6640c5a1218">numQubitsInStateVec</a><=5){</div>
<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>  <span class="keywordflow">for</span> (rank=0; rank<qureg.<a class="code" href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">numChunks</a>; rank++){</div>
<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>  <span class="keywordflow">if</span> (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>==rank){</div>
<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>  <span class="keywordflow">if</span> (reportRank) {</div>
<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>  printf(<span class="stringliteral">"Reporting state from rank %d [\n"</span>, qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>);</div>
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span>  printf(<span class="stringliteral">"real, imag\n"</span>);</div>
<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (rank==0) {</div>
<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>  printf(<span class="stringliteral">"Reporting state [\n"</span>);</div>
<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>  printf(<span class="stringliteral">"real, imag\n"</span>);</div>
<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>  }</div>
<div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>  </div>
<div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>  <span class="keywordflow">for</span>(index=0; index<qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>; index++){</div>
<div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>  <span class="comment">//printf(REAL_STRING_FORMAT ", " REAL_STRING_FORMAT "\n", qureg.pairStateVec.real[index], qureg.pairStateVec.imag[index]);</span></div>
<div class="line"><a name="l01455"></a><span class="lineno"> 1455</span>  printf(REAL_STRING_FORMAT <span class="stringliteral">", "</span> REAL_STRING_FORMAT <span class="stringliteral">"\n"</span>, qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[index], qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[index]);</div>
<div class="line"><a name="l01456"></a><span class="lineno"> 1456</span>  }</div>
<div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>  <span class="keywordflow">if</span> (reportRank || rank==qureg.<a class="code" href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">numChunks</a>-1) printf(<span class="stringliteral">"]\n"</span>);</div>
<div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>  }</div>
<div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>  <a class="code" href="group__debug.html#ga8d31fe2d1ad4d01e2a1f5f6b8bc15b77">syncQuESTEnv</a>(env);</div>
<div class="line"><a name="l01460"></a><span class="lineno"> 1460</span>  }</div>
<div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>  } <span class="keywordflow">else</span> printf(<span class="stringliteral">"Error: reportStateToScreen will not print output for systems of more than 5 qubits.\n"</span>);</div>
<div class="line"><a name="l01462"></a><span class="lineno"> 1462</span> }</div>
<div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>  </div>
<div class="line"><a name="l01464"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a758bad4237ff0bf3b4ff5be626a982ae"> 1464</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a758bad4237ff0bf3b4ff5be626a982ae">statevec_initBlankState</a> (<a class="code" href="structQureg.html">Qureg</a> qureg)</div>
<div class="line"><a name="l01465"></a><span class="lineno"> 1465</span> {</div>
<div class="line"><a name="l01466"></a><span class="lineno"> 1466</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l01467"></a><span class="lineno"> 1467</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>  </div>
<div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01470"></a><span class="lineno"> 1470</span>  stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01471"></a><span class="lineno"> 1471</span>  </div>
<div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>  <span class="comment">// Can't use qureg->stateVec as a private OMP var</span></div>
<div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01475"></a><span class="lineno"> 1475</span>  </div>
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>  <span class="comment">// initialise the state-vector to all-zeroes</span></div>
<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span> <span class="preprocessor"> shared (stateVecSize, stateVecReal, stateVecImag) \</span></div>
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span> <span class="preprocessor"> private (index) </span></div>
<div class="line"><a name="l01482"></a><span class="lineno"> 1482</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>  {</div>
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01485"></a><span class="lineno"> 1485</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01486"></a><span class="lineno"> 1486</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l01488"></a><span class="lineno"> 1488</span>  stateVecReal[index] = 0.0;</div>
<div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>  stateVecImag[index] = 0.0;</div>
<div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>  }</div>
<div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>  }</div>
<div class="line"><a name="l01492"></a><span class="lineno"> 1492</span> }</div>
<div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>  </div>
<div class="line"><a name="l01494"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a2ca0c6ba07ab2b4b437321bf17efc966"> 1494</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a2ca0c6ba07ab2b4b437321bf17efc966">statevec_initZeroState</a> (<a class="code" href="structQureg.html">Qureg</a> qureg)</div>
<div class="line"><a name="l01495"></a><span class="lineno"> 1495</span> {</div>
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>  <a class="code" href="QuEST__cpu_8c.html#a758bad4237ff0bf3b4ff5be626a982ae">statevec_initBlankState</a>(qureg);</div>
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>  <span class="keywordflow">if</span> (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>==0){</div>
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>  <span class="comment">// zero state |0000..0000> has probability 1</span></div>
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[0] = 1.0;</div>
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[0] = 0.0;</div>
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>  }</div>
<div class="line"><a name="l01502"></a><span class="lineno"> 1502</span> }</div>
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>  </div>
<div class="line"><a name="l01504"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a482fc361fd5f08075404c72e536316a0"> 1504</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a482fc361fd5f08075404c72e536316a0">statevec_initPlusState</a> (<a class="code" href="structQureg.html">Qureg</a> qureg)</div>
<div class="line"><a name="l01505"></a><span class="lineno"> 1505</span> {</div>
<div class="line"><a name="l01506"></a><span class="lineno"> 1506</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize, stateVecSize;</div>
<div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>  </div>
<div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01510"></a><span class="lineno"> 1510</span>  chunkSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01511"></a><span class="lineno"> 1511</span>  stateVecSize = chunkSize*qureg.<a class="code" href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">numChunks</a>;</div>
<div class="line"><a name="l01512"></a><span class="lineno"> 1512</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> normFactor = 1.0/sqrt((<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>)stateVecSize);</div>
<div class="line"><a name="l01513"></a><span class="lineno"> 1513</span>  </div>
<div class="line"><a name="l01514"></a><span class="lineno"> 1514</span>  <span class="comment">// Can't use qureg->stateVec as a private OMP var</span></div>
<div class="line"><a name="l01515"></a><span class="lineno"> 1515</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01517"></a><span class="lineno"> 1517</span>  </div>
<div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>  <span class="comment">// initialise the state to |+++..+++> = 1/normFactor {1, 1, 1, ...}</span></div>
<div class="line"><a name="l01519"></a><span class="lineno"> 1519</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01520"></a><span class="lineno"> 1520</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01521"></a><span class="lineno"> 1521</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01522"></a><span class="lineno"> 1522</span> <span class="preprocessor"> shared (chunkSize, stateVecReal, stateVecImag, normFactor) \</span></div>
<div class="line"><a name="l01523"></a><span class="lineno"> 1523</span> <span class="preprocessor"> private (index) </span></div>
<div class="line"><a name="l01524"></a><span class="lineno"> 1524</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01525"></a><span class="lineno"> 1525</span>  {</div>
<div class="line"><a name="l01526"></a><span class="lineno"> 1526</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01527"></a><span class="lineno"> 1527</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01528"></a><span class="lineno"> 1528</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>  <span class="keywordflow">for</span> (index=0; index<chunkSize; index++) {</div>
<div class="line"><a name="l01530"></a><span class="lineno"> 1530</span>  stateVecReal[index] = normFactor;</div>
<div class="line"><a name="l01531"></a><span class="lineno"> 1531</span>  stateVecImag[index] = 0.0;</div>
<div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>  }</div>
<div class="line"><a name="l01533"></a><span class="lineno"> 1533</span>  }</div>
<div class="line"><a name="l01534"></a><span class="lineno"> 1534</span> }</div>
<div class="line"><a name="l01535"></a><span class="lineno"> 1535</span>  </div>
<div class="line"><a name="l01536"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a288dc4b46bdacd69cbf4a6fd070d26a7"> 1536</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a288dc4b46bdacd69cbf4a6fd070d26a7">statevec_initClassicalState</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateInd)</div>
<div class="line"><a name="l01537"></a><span class="lineno"> 1537</span> {</div>
<div class="line"><a name="l01538"></a><span class="lineno"> 1538</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l01539"></a><span class="lineno"> 1539</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01540"></a><span class="lineno"> 1540</span>  </div>
<div class="line"><a name="l01541"></a><span class="lineno"> 1541</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>  stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01543"></a><span class="lineno"> 1543</span>  </div>
<div class="line"><a name="l01544"></a><span class="lineno"> 1544</span>  <span class="comment">// Can't use qureg->stateVec as a private OMP var</span></div>
<div class="line"><a name="l01545"></a><span class="lineno"> 1545</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01547"></a><span class="lineno"> 1547</span>  </div>
<div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>  <span class="comment">// initialise the state to vector to all zeros</span></div>
<div class="line"><a name="l01549"></a><span class="lineno"> 1549</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01550"></a><span class="lineno"> 1550</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01551"></a><span class="lineno"> 1551</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01552"></a><span class="lineno"> 1552</span> <span class="preprocessor"> shared (stateVecSize, stateVecReal, stateVecImag) \</span></div>
<div class="line"><a name="l01553"></a><span class="lineno"> 1553</span> <span class="preprocessor"> private (index) </span></div>
<div class="line"><a name="l01554"></a><span class="lineno"> 1554</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01555"></a><span class="lineno"> 1555</span>  {</div>
<div class="line"><a name="l01556"></a><span class="lineno"> 1556</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01557"></a><span class="lineno"> 1557</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01558"></a><span class="lineno"> 1558</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01559"></a><span class="lineno"> 1559</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l01560"></a><span class="lineno"> 1560</span>  stateVecReal[index] = 0.0;</div>
<div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>  stateVecImag[index] = 0.0;</div>
<div class="line"><a name="l01562"></a><span class="lineno"> 1562</span>  }</div>
<div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>  }</div>
<div class="line"><a name="l01564"></a><span class="lineno"> 1564</span>  </div>
<div class="line"><a name="l01565"></a><span class="lineno"> 1565</span>  <span class="comment">// give the specified classical state prob 1</span></div>
<div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>  <span class="keywordflow">if</span> (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> == stateInd/stateVecSize){</div>
<div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>  stateVecReal[stateInd % stateVecSize] = 1.0;</div>
<div class="line"><a name="l01568"></a><span class="lineno"> 1568</span>  stateVecImag[stateInd % stateVecSize] = 0.0;</div>
<div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>  }</div>
<div class="line"><a name="l01570"></a><span class="lineno"> 1570</span> }</div>
<div class="line"><a name="l01571"></a><span class="lineno"> 1571</span>  </div>
<div class="line"><a name="l01572"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#aa4b77089145184d990848cd66993aa8b"> 1572</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#aa4b77089145184d990848cd66993aa8b">statevec_cloneQureg</a>(<a class="code" href="structQureg.html">Qureg</a> targetQureg, <a class="code" href="structQureg.html">Qureg</a> copyQureg) {</div>
<div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>  </div>
<div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>  <span class="comment">// registers are equal sized, so nodes hold the same state-vector partitions</span></div>
<div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>  </div>
<div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01579"></a><span class="lineno"> 1579</span>  stateVecSize = targetQureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>  </div>
<div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>  <span class="comment">// Can't use qureg->stateVec as a private OMP var</span></div>
<div class="line"><a name="l01582"></a><span class="lineno"> 1582</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *targetStateVecReal = targetQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *targetStateVecImag = targetQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *copyStateVecReal = copyQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01585"></a><span class="lineno"> 1585</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *copyStateVecImag = copyQureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01586"></a><span class="lineno"> 1586</span>  </div>
<div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>  <span class="comment">// initialise the state to |0000..0000></span></div>
<div class="line"><a name="l01588"></a><span class="lineno"> 1588</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01589"></a><span class="lineno"> 1589</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01590"></a><span class="lineno"> 1590</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01591"></a><span class="lineno"> 1591</span> <span class="preprocessor"> shared (stateVecSize, targetStateVecReal, targetStateVecImag, copyStateVecReal, copyStateVecImag) \</span></div>
<div class="line"><a name="l01592"></a><span class="lineno"> 1592</span> <span class="preprocessor"> private (index) </span></div>
<div class="line"><a name="l01593"></a><span class="lineno"> 1593</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01594"></a><span class="lineno"> 1594</span>  {</div>
<div class="line"><a name="l01595"></a><span class="lineno"> 1595</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01596"></a><span class="lineno"> 1596</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01597"></a><span class="lineno"> 1597</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>  targetStateVecReal[index] = copyStateVecReal[index];</div>
<div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>  targetStateVecImag[index] = copyStateVecImag[index];</div>
<div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>  }</div>
<div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>  }</div>
<div class="line"><a name="l01603"></a><span class="lineno"> 1603</span> }</div>
<div class="line"><a name="l01604"></a><span class="lineno"> 1604</span>  </div>
<div class="line"><a name="l01611"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a923906770cac0da9e3459bae58de9e64"> 1611</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a923906770cac0da9e3459bae58de9e64">statevec_initStateOfSingleQubit</a>(<a class="code" href="structQureg.html">Qureg</a> *qureg, <span class="keywordtype">int</span> qubitId, <span class="keywordtype">int</span> outcome)</div>
<div class="line"><a name="l01612"></a><span class="lineno"> 1612</span> {</div>
<div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize, stateVecSize;</div>
<div class="line"><a name="l01614"></a><span class="lineno"> 1614</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>  <span class="keywordtype">int</span> bit;</div>
<div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg-><a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>  </div>
<div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01619"></a><span class="lineno"> 1619</span>  chunkSize = qureg-><a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>  stateVecSize = chunkSize*qureg-><a class="code" href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">numChunks</a>;</div>
<div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> normFactor = 1.0/sqrt((<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>)stateVecSize/2.0);</div>
<div class="line"><a name="l01622"></a><span class="lineno"> 1622</span>  </div>
<div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>  <span class="comment">// Can't use qureg->stateVec as a private OMP var</span></div>
<div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg-><a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg-><a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>  </div>
<div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>  <span class="comment">// initialise the state to |0000..0000></span></div>
<div class="line"><a name="l01628"></a><span class="lineno"> 1628</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01629"></a><span class="lineno"> 1629</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01630"></a><span class="lineno"> 1630</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01631"></a><span class="lineno"> 1631</span> <span class="preprocessor"> shared (chunkSize, stateVecReal, stateVecImag, normFactor, qubitId, outcome, chunkId) \</span></div>
<div class="line"><a name="l01632"></a><span class="lineno"> 1632</span> <span class="preprocessor"> private (index, bit)</span></div>
<div class="line"><a name="l01633"></a><span class="lineno"> 1633</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>  {</div>
<div class="line"><a name="l01635"></a><span class="lineno"> 1635</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01636"></a><span class="lineno"> 1636</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01637"></a><span class="lineno"> 1637</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01638"></a><span class="lineno"> 1638</span>  <span class="keywordflow">for</span> (index=0; index<chunkSize; index++) {</div>
<div class="line"><a name="l01639"></a><span class="lineno"> 1639</span>  bit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(qubitId, index+chunkId*chunkSize);</div>
<div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>  <span class="keywordflow">if</span> (bit==outcome) {</div>
<div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>  stateVecReal[index] = normFactor;</div>
<div class="line"><a name="l01642"></a><span class="lineno"> 1642</span>  stateVecImag[index] = 0.0;</div>
<div class="line"><a name="l01643"></a><span class="lineno"> 1643</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01644"></a><span class="lineno"> 1644</span>  stateVecReal[index] = 0.0;</div>
<div class="line"><a name="l01645"></a><span class="lineno"> 1645</span>  stateVecImag[index] = 0.0;</div>
<div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>  }</div>
<div class="line"><a name="l01647"></a><span class="lineno"> 1647</span>  }</div>
<div class="line"><a name="l01648"></a><span class="lineno"> 1648</span>  }</div>
<div class="line"><a name="l01649"></a><span class="lineno"> 1649</span> }</div>
<div class="line"><a name="l01650"></a><span class="lineno"> 1650</span>  </div>
<div class="line"><a name="l01651"></a><span class="lineno"> 1651</span>  </div>
<div class="line"><a name="l01657"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ad9fd3017ea40cf63fd04b39e03494972"> 1657</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ad9fd3017ea40cf63fd04b39e03494972">statevec_initDebugState</a> (<a class="code" href="structQureg.html">Qureg</a> qureg)</div>
<div class="line"><a name="l01658"></a><span class="lineno"> 1658</span> {</div>
<div class="line"><a name="l01659"></a><span class="lineno"> 1659</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize;</div>
<div class="line"><a name="l01660"></a><span class="lineno"> 1660</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01661"></a><span class="lineno"> 1661</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> indexOffset;</div>
<div class="line"><a name="l01662"></a><span class="lineno"> 1662</span>  </div>
<div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01664"></a><span class="lineno"> 1664</span>  chunkSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01665"></a><span class="lineno"> 1665</span>  </div>
<div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>  <span class="comment">// Can't use qureg->stateVec as a private OMP var</span></div>
<div class="line"><a name="l01667"></a><span class="lineno"> 1667</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01668"></a><span class="lineno"> 1668</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01669"></a><span class="lineno"> 1669</span>  </div>
<div class="line"><a name="l01670"></a><span class="lineno"> 1670</span>  indexOffset = chunkSize * qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l01671"></a><span class="lineno"> 1671</span>  </div>
<div class="line"><a name="l01672"></a><span class="lineno"> 1672</span>  <span class="comment">// initialise the state to |0000..0000></span></div>
<div class="line"><a name="l01673"></a><span class="lineno"> 1673</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01674"></a><span class="lineno"> 1674</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01675"></a><span class="lineno"> 1675</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01676"></a><span class="lineno"> 1676</span> <span class="preprocessor"> shared (chunkSize, stateVecReal, stateVecImag, indexOffset) \</span></div>
<div class="line"><a name="l01677"></a><span class="lineno"> 1677</span> <span class="preprocessor"> private (index) </span></div>
<div class="line"><a name="l01678"></a><span class="lineno"> 1678</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01679"></a><span class="lineno"> 1679</span>  {</div>
<div class="line"><a name="l01680"></a><span class="lineno"> 1680</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01681"></a><span class="lineno"> 1681</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01682"></a><span class="lineno"> 1682</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01683"></a><span class="lineno"> 1683</span>  <span class="keywordflow">for</span> (index=0; index<chunkSize; index++) {</div>
<div class="line"><a name="l01684"></a><span class="lineno"> 1684</span>  stateVecReal[index] = ((indexOffset + index)*2.0)/10.0;</div>
<div class="line"><a name="l01685"></a><span class="lineno"> 1685</span>  stateVecImag[index] = ((indexOffset + index)*2.0+1.0)/10.0;</div>
<div class="line"><a name="l01686"></a><span class="lineno"> 1686</span>  }</div>
<div class="line"><a name="l01687"></a><span class="lineno"> 1687</span>  }</div>
<div class="line"><a name="l01688"></a><span class="lineno"> 1688</span> }</div>
<div class="line"><a name="l01689"></a><span class="lineno"> 1689</span>  </div>
<div class="line"><a name="l01690"></a><span class="lineno"> 1690</span> <span class="comment">// returns 1 if successful, else 0</span></div>
<div class="line"><a name="l01691"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a05756b45f10135bb2eeb07380f806c20"> 1691</a></span> <span class="keywordtype">int</span> <a class="code" href="QuEST__cpu_8c.html#a05756b45f10135bb2eeb07380f806c20">statevec_initStateFromSingleFile</a>(<a class="code" href="structQureg.html">Qureg</a> *qureg, <span class="keywordtype">char</span> filename[200], <a class="code" href="structQuESTEnv.html">QuESTEnv</a> env){</div>
<div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize, stateVecSize;</div>
<div class="line"><a name="l01693"></a><span class="lineno"> 1693</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> indexInChunk, totalIndex;</div>
<div class="line"><a name="l01694"></a><span class="lineno"> 1694</span>  </div>
<div class="line"><a name="l01695"></a><span class="lineno"> 1695</span>  chunkSize = qureg-><a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01696"></a><span class="lineno"> 1696</span>  stateVecSize = chunkSize*qureg-><a class="code" href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">numChunks</a>;</div>
<div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>  </div>
<div class="line"><a name="l01698"></a><span class="lineno"> 1698</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg-><a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01699"></a><span class="lineno"> 1699</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg-><a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01700"></a><span class="lineno"> 1700</span>  </div>
<div class="line"><a name="l01701"></a><span class="lineno"> 1701</span>  FILE *fp;</div>
<div class="line"><a name="l01702"></a><span class="lineno"> 1702</span>  <span class="keywordtype">char</span> line[200];</div>
<div class="line"><a name="l01703"></a><span class="lineno"> 1703</span>  </div>
<div class="line"><a name="l01704"></a><span class="lineno"> 1704</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> rank=0; rank<(qureg-><a class="code" href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">numChunks</a>); rank++){</div>
<div class="line"><a name="l01705"></a><span class="lineno"> 1705</span>  <span class="keywordflow">if</span> (rank==qureg-><a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>){</div>
<div class="line"><a name="l01706"></a><span class="lineno"> 1706</span>  fp = fopen(filename, <span class="stringliteral">"r"</span>);</div>
<div class="line"><a name="l01707"></a><span class="lineno"> 1707</span>  </div>
<div class="line"><a name="l01708"></a><span class="lineno"> 1708</span>  <span class="comment">// indicate file open failure</span></div>
<div class="line"><a name="l01709"></a><span class="lineno"> 1709</span>  <span class="keywordflow">if</span> (fp == NULL)</div>
<div class="line"><a name="l01710"></a><span class="lineno"> 1710</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l01711"></a><span class="lineno"> 1711</span>  </div>
<div class="line"><a name="l01712"></a><span class="lineno"> 1712</span>  indexInChunk = 0; totalIndex = 0;</div>
<div class="line"><a name="l01713"></a><span class="lineno"> 1713</span>  <span class="keywordflow">while</span> (fgets(line, <span class="keyword">sizeof</span>(<span class="keywordtype">char</span>)*200, fp) != NULL && totalIndex<stateVecSize){</div>
<div class="line"><a name="l01714"></a><span class="lineno"> 1714</span>  <span class="keywordflow">if</span> (line[0]!=<span class="charliteral">'#'</span>){</div>
<div class="line"><a name="l01715"></a><span class="lineno"> 1715</span>  <span class="keywordtype">int</span> chunkId = (int) (totalIndex/chunkSize);</div>
<div class="line"><a name="l01716"></a><span class="lineno"> 1716</span>  <span class="keywordflow">if</span> (chunkId==qureg-><a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>){</div>
<div class="line"><a name="l01717"></a><span class="lineno"> 1717</span> <span class="preprocessor"> # if QuEST_PREC==1</span></div>
<div class="line"><a name="l01718"></a><span class="lineno"> 1718</span>  sscanf(line, <span class="stringliteral">"%f, %f"</span>, &(stateVecReal[indexInChunk]), </div>
<div class="line"><a name="l01719"></a><span class="lineno"> 1719</span>  &(stateVecImag[indexInChunk])); </div>
<div class="line"><a name="l01720"></a><span class="lineno"> 1720</span> <span class="preprocessor"> # elif QuEST_PREC==2 </span></div>
<div class="line"><a name="l01721"></a><span class="lineno"> 1721</span>  sscanf(line, <span class="stringliteral">"%lf, %lf"</span>, &(stateVecReal[indexInChunk]), </div>
<div class="line"><a name="l01722"></a><span class="lineno"> 1722</span>  &(stateVecImag[indexInChunk]));</div>
<div class="line"><a name="l01723"></a><span class="lineno"> 1723</span> <span class="preprocessor"> # elif QuEST_PREC==4</span></div>
<div class="line"><a name="l01724"></a><span class="lineno"> 1724</span>  sscanf(line, <span class="stringliteral">"%Lf, %Lf"</span>, &(stateVecReal[indexInChunk]), </div>
<div class="line"><a name="l01725"></a><span class="lineno"> 1725</span>  &(stateVecImag[indexInChunk]));</div>
<div class="line"><a name="l01726"></a><span class="lineno"> 1726</span> <span class="preprocessor"> # endif</span></div>
<div class="line"><a name="l01727"></a><span class="lineno"> 1727</span>  indexInChunk += 1;</div>
<div class="line"><a name="l01728"></a><span class="lineno"> 1728</span>  }</div>
<div class="line"><a name="l01729"></a><span class="lineno"> 1729</span>  totalIndex += 1;</div>
<div class="line"><a name="l01730"></a><span class="lineno"> 1730</span>  }</div>
<div class="line"><a name="l01731"></a><span class="lineno"> 1731</span>  } </div>
<div class="line"><a name="l01732"></a><span class="lineno"> 1732</span>  fclose(fp);</div>
<div class="line"><a name="l01733"></a><span class="lineno"> 1733</span>  }</div>
<div class="line"><a name="l01734"></a><span class="lineno"> 1734</span>  <a class="code" href="group__debug.html#ga8d31fe2d1ad4d01e2a1f5f6b8bc15b77">syncQuESTEnv</a>(env);</div>
<div class="line"><a name="l01735"></a><span class="lineno"> 1735</span>  }</div>
<div class="line"><a name="l01736"></a><span class="lineno"> 1736</span>  </div>
<div class="line"><a name="l01737"></a><span class="lineno"> 1737</span>  <span class="comment">// indicate success</span></div>
<div class="line"><a name="l01738"></a><span class="lineno"> 1738</span>  <span class="keywordflow">return</span> 1;</div>
<div class="line"><a name="l01739"></a><span class="lineno"> 1739</span> }</div>
<div class="line"><a name="l01740"></a><span class="lineno"> 1740</span>  </div>
<div class="line"><a name="l01741"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ae6cecbad32a03416138b321cdc1a2c33"> 1741</a></span> <span class="keywordtype">int</span> <a class="code" href="QuEST__cpu_8c.html#ae6cecbad32a03416138b321cdc1a2c33">statevec_compareStates</a>(<a class="code" href="structQureg.html">Qureg</a> mq1, <a class="code" href="structQureg.html">Qureg</a> mq2, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> precision){</div>
<div class="line"><a name="l01742"></a><span class="lineno"> 1742</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> diff;</div>
<div class="line"><a name="l01743"></a><span class="lineno"> 1743</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize = mq1.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01744"></a><span class="lineno"> 1744</span>  </div>
<div class="line"><a name="l01745"></a><span class="lineno"> 1745</span>  <span class="keywordflow">for</span> (<span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> i=0; i<chunkSize; i++){</div>
<div class="line"><a name="l01746"></a><span class="lineno"> 1746</span>  diff = absReal(mq1.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[i] - mq2.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[i]);</div>
<div class="line"><a name="l01747"></a><span class="lineno"> 1747</span>  <span class="keywordflow">if</span> (diff>precision) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l01748"></a><span class="lineno"> 1748</span>  diff = absReal(mq1.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[i] - mq2.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[i]);</div>
<div class="line"><a name="l01749"></a><span class="lineno"> 1749</span>  <span class="keywordflow">if</span> (diff>precision) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l01750"></a><span class="lineno"> 1750</span>  }</div>
<div class="line"><a name="l01751"></a><span class="lineno"> 1751</span>  <span class="keywordflow">return</span> 1;</div>
<div class="line"><a name="l01752"></a><span class="lineno"> 1752</span> }</div>
<div class="line"><a name="l01753"></a><span class="lineno"> 1753</span>  </div>
<div class="line"><a name="l01754"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a5ddfdb22e4704b680d67d08d9e80835b"> 1754</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a5ddfdb22e4704b680d67d08d9e80835b">statevec_compactUnitaryLocal</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <a class="code" href="structComplex.html">Complex</a> alpha, <a class="code" href="structComplex.html">Complex</a> beta)</div>
<div class="line"><a name="l01755"></a><span class="lineno"> 1755</span> {</div>
<div class="line"><a name="l01756"></a><span class="lineno"> 1756</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l01757"></a><span class="lineno"> 1757</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l01758"></a><span class="lineno"> 1758</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l01759"></a><span class="lineno"> 1759</span>  </div>
<div class="line"><a name="l01760"></a><span class="lineno"> 1760</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l01761"></a><span class="lineno"> 1761</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l01762"></a><span class="lineno"> 1762</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>>>1;</div>
<div class="line"><a name="l01763"></a><span class="lineno"> 1763</span>  </div>
<div class="line"><a name="l01764"></a><span class="lineno"> 1764</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l01765"></a><span class="lineno"> 1765</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l01766"></a><span class="lineno"> 1766</span>  sizeBlock = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l01767"></a><span class="lineno"> 1767</span>  </div>
<div class="line"><a name="l01768"></a><span class="lineno"> 1768</span>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l01769"></a><span class="lineno"> 1769</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01770"></a><span class="lineno"> 1770</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01771"></a><span class="lineno"> 1771</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> alphaImag=alpha.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>, alphaReal=alpha.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>;</div>
<div class="line"><a name="l01772"></a><span class="lineno"> 1772</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> betaImag=beta.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>, betaReal=beta.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>;</div>
<div class="line"><a name="l01773"></a><span class="lineno"> 1773</span>  </div>
<div class="line"><a name="l01774"></a><span class="lineno"> 1774</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01775"></a><span class="lineno"> 1775</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01776"></a><span class="lineno"> 1776</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01777"></a><span class="lineno"> 1777</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, alphaReal,alphaImag, betaReal,betaImag, numTasks) \</span></div>
<div class="line"><a name="l01778"></a><span class="lineno"> 1778</span> <span class="preprocessor"> private (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l01779"></a><span class="lineno"> 1779</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01780"></a><span class="lineno"> 1780</span>  {</div>
<div class="line"><a name="l01781"></a><span class="lineno"> 1781</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01782"></a><span class="lineno"> 1782</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01783"></a><span class="lineno"> 1783</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01784"></a><span class="lineno"> 1784</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l01785"></a><span class="lineno"> 1785</span>  </div>
<div class="line"><a name="l01786"></a><span class="lineno"> 1786</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l01787"></a><span class="lineno"> 1787</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l01788"></a><span class="lineno"> 1788</span>  indexLo = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l01789"></a><span class="lineno"> 1789</span>  </div>
<div class="line"><a name="l01790"></a><span class="lineno"> 1790</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l01791"></a><span class="lineno"> 1791</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l01792"></a><span class="lineno"> 1792</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l01793"></a><span class="lineno"> 1793</span>  </div>
<div class="line"><a name="l01794"></a><span class="lineno"> 1794</span>  stateRealLo = stateVecReal[indexLo];</div>
<div class="line"><a name="l01795"></a><span class="lineno"> 1795</span>  stateImagLo = stateVecImag[indexLo];</div>
<div class="line"><a name="l01796"></a><span class="lineno"> 1796</span>  </div>
<div class="line"><a name="l01797"></a><span class="lineno"> 1797</span>  <span class="comment">// state[indexUp] = alpha * state[indexUp] - conj(beta) * state[indexLo]</span></div>
<div class="line"><a name="l01798"></a><span class="lineno"> 1798</span>  stateVecReal[indexUp] = alphaReal*stateRealUp - alphaImag*stateImagUp </div>
<div class="line"><a name="l01799"></a><span class="lineno"> 1799</span>  - betaReal*stateRealLo - betaImag*stateImagLo;</div>
<div class="line"><a name="l01800"></a><span class="lineno"> 1800</span>  stateVecImag[indexUp] = alphaReal*stateImagUp + alphaImag*stateRealUp </div>
<div class="line"><a name="l01801"></a><span class="lineno"> 1801</span>  - betaReal*stateImagLo + betaImag*stateRealLo;</div>
<div class="line"><a name="l01802"></a><span class="lineno"> 1802</span>  </div>
<div class="line"><a name="l01803"></a><span class="lineno"> 1803</span>  <span class="comment">// state[indexLo] = beta * state[indexUp] + conj(alpha) * state[indexLo]</span></div>
<div class="line"><a name="l01804"></a><span class="lineno"> 1804</span>  stateVecReal[indexLo] = betaReal*stateRealUp - betaImag*stateImagUp </div>
<div class="line"><a name="l01805"></a><span class="lineno"> 1805</span>  + alphaReal*stateRealLo + alphaImag*stateImagLo;</div>
<div class="line"><a name="l01806"></a><span class="lineno"> 1806</span>  stateVecImag[indexLo] = betaReal*stateImagUp + betaImag*stateRealUp </div>
<div class="line"><a name="l01807"></a><span class="lineno"> 1807</span>  + alphaReal*stateImagLo - alphaImag*stateRealLo;</div>
<div class="line"><a name="l01808"></a><span class="lineno"> 1808</span>  } </div>
<div class="line"><a name="l01809"></a><span class="lineno"> 1809</span>  }</div>
<div class="line"><a name="l01810"></a><span class="lineno"> 1810</span>  </div>
<div class="line"><a name="l01811"></a><span class="lineno"> 1811</span> } </div>
<div class="line"><a name="l01812"></a><span class="lineno"> 1812</span>  </div>
<div class="line"><a name="l01813"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#af8236a00389137b5eff986a40577eaf3"> 1813</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#af8236a00389137b5eff986a40577eaf3">statevec_multiControlledTwoQubitUnitaryLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ctrlMask, <span class="keywordtype">int</span> q1, <span class="keywordtype">int</span> q2, <a class="code" href="structComplexMatrix4.html">ComplexMatrix4</a> u) {</div>
<div class="line"><a name="l01814"></a><span class="lineno"> 1814</span>  </div>
<div class="line"><a name="l01815"></a><span class="lineno"> 1815</span>  <span class="comment">// can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l01816"></a><span class="lineno"> 1816</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *reVec = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01817"></a><span class="lineno"> 1817</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *imVec = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01818"></a><span class="lineno"> 1818</span>  </div>
<div class="line"><a name="l01819"></a><span class="lineno"> 1819</span>  <span class="comment">// the global (between all nodes) index of this node's start index</span></div>
<div class="line"><a name="l01820"></a><span class="lineno"> 1820</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> globalIndStart = qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>*qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>; </div>
<div class="line"><a name="l01821"></a><span class="lineno"> 1821</span>  </div>
<div class="line"><a name="l01822"></a><span class="lineno"> 1822</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a> >> 2; <span class="comment">// each iteration updates 4 amplitudes</span></div>
<div class="line"><a name="l01823"></a><span class="lineno"> 1823</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l01824"></a><span class="lineno"> 1824</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisGlobalInd00;</div>
<div class="line"><a name="l01825"></a><span class="lineno"> 1825</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ind00, ind01, ind10, ind11;</div>
<div class="line"><a name="l01826"></a><span class="lineno"> 1826</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> re00, re01, re10, re11;</div>
<div class="line"><a name="l01827"></a><span class="lineno"> 1827</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> im00, im01, im10, im11;</div>
<div class="line"><a name="l01828"></a><span class="lineno"> 1828</span>  </div>
<div class="line"><a name="l01829"></a><span class="lineno"> 1829</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01830"></a><span class="lineno"> 1830</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01831"></a><span class="lineno"> 1831</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01832"></a><span class="lineno"> 1832</span> <span class="preprocessor"> shared (reVec,imVec,globalIndStart,numTasks,ctrlMask,u,q2,q1) \</span></div>
<div class="line"><a name="l01833"></a><span class="lineno"> 1833</span> <span class="preprocessor"> private (thisTask, thisGlobalInd00, ind00,ind01,ind10,ind11, re00,re01,re10,re11, im00,im01,im10,im11)</span></div>
<div class="line"><a name="l01834"></a><span class="lineno"> 1834</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01835"></a><span class="lineno"> 1835</span>  {</div>
<div class="line"><a name="l01836"></a><span class="lineno"> 1836</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01837"></a><span class="lineno"> 1837</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01838"></a><span class="lineno"> 1838</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01839"></a><span class="lineno"> 1839</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l01840"></a><span class="lineno"> 1840</span>  </div>
<div class="line"><a name="l01841"></a><span class="lineno"> 1841</span>  <span class="comment">// determine ind00 of |..0..0..></span></div>
<div class="line"><a name="l01842"></a><span class="lineno"> 1842</span>  ind00 = <a class="code" href="QuEST__gpu_8cu.html#a4760109974e9b52c60e9d60ccded3138">insertTwoZeroBits</a>(thisTask, q1, q2);</div>
<div class="line"><a name="l01843"></a><span class="lineno"> 1843</span>  </div>
<div class="line"><a name="l01844"></a><span class="lineno"> 1844</span>  <span class="comment">// skip amplitude if controls aren't in 1 state (overloaded for speed)</span></div>
<div class="line"><a name="l01845"></a><span class="lineno"> 1845</span>  thisGlobalInd00 = ind00 + globalIndStart;</div>
<div class="line"><a name="l01846"></a><span class="lineno"> 1846</span>  <span class="keywordflow">if</span> (ctrlMask && ((ctrlMask & thisGlobalInd00) != ctrlMask))</div>
<div class="line"><a name="l01847"></a><span class="lineno"> 1847</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l01848"></a><span class="lineno"> 1848</span>  </div>
<div class="line"><a name="l01849"></a><span class="lineno"> 1849</span>  <span class="comment">// inds of |..0..1..>, |..1..0..> and |..1..1..></span></div>
<div class="line"><a name="l01850"></a><span class="lineno"> 1850</span>  ind01 = <a class="code" href="QuEST__gpu_8cu.html#ae1b7788cf504ec3d79de3855f97929c7">flipBit</a>(ind00, q1);</div>
<div class="line"><a name="l01851"></a><span class="lineno"> 1851</span>  ind10 = <a class="code" href="QuEST__gpu_8cu.html#ae1b7788cf504ec3d79de3855f97929c7">flipBit</a>(ind00, q2);</div>
<div class="line"><a name="l01852"></a><span class="lineno"> 1852</span>  ind11 = <a class="code" href="QuEST__gpu_8cu.html#ae1b7788cf504ec3d79de3855f97929c7">flipBit</a>(ind01, q2);</div>
<div class="line"><a name="l01853"></a><span class="lineno"> 1853</span>  </div>
<div class="line"><a name="l01854"></a><span class="lineno"> 1854</span>  <span class="comment">// extract statevec amplitudes </span></div>
<div class="line"><a name="l01855"></a><span class="lineno"> 1855</span>  re00 = reVec[ind00]; im00 = imVec[ind00];</div>
<div class="line"><a name="l01856"></a><span class="lineno"> 1856</span>  re01 = reVec[ind01]; im01 = imVec[ind01];</div>
<div class="line"><a name="l01857"></a><span class="lineno"> 1857</span>  re10 = reVec[ind10]; im10 = imVec[ind10];</div>
<div class="line"><a name="l01858"></a><span class="lineno"> 1858</span>  re11 = reVec[ind11]; im11 = imVec[ind11];</div>
<div class="line"><a name="l01859"></a><span class="lineno"> 1859</span>  </div>
<div class="line"><a name="l01860"></a><span class="lineno"> 1860</span>  <span class="comment">// apply u * {amp00, amp01, amp10, amp11}</span></div>
<div class="line"><a name="l01861"></a><span class="lineno"> 1861</span>  reVec[ind00] = </div>
<div class="line"><a name="l01862"></a><span class="lineno"> 1862</span>  u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[0][0]*re00 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[0][0]*im00 +</div>
<div class="line"><a name="l01863"></a><span class="lineno"> 1863</span>  u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[0][1]*re01 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[0][1]*im01 +</div>
<div class="line"><a name="l01864"></a><span class="lineno"> 1864</span>  u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[0][2]*re10 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[0][2]*im10 +</div>
<div class="line"><a name="l01865"></a><span class="lineno"> 1865</span>  u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[0][3]*re11 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[0][3]*im11;</div>
<div class="line"><a name="l01866"></a><span class="lineno"> 1866</span>  imVec[ind00] =</div>
<div class="line"><a name="l01867"></a><span class="lineno"> 1867</span>  u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[0][0]*re00 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[0][0]*im00 +</div>
<div class="line"><a name="l01868"></a><span class="lineno"> 1868</span>  u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[0][1]*re01 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[0][1]*im01 +</div>
<div class="line"><a name="l01869"></a><span class="lineno"> 1869</span>  u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[0][2]*re10 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[0][2]*im10 +</div>
<div class="line"><a name="l01870"></a><span class="lineno"> 1870</span>  u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[0][3]*re11 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[0][3]*im11;</div>
<div class="line"><a name="l01871"></a><span class="lineno"> 1871</span>  </div>
<div class="line"><a name="l01872"></a><span class="lineno"> 1872</span>  reVec[ind01] = </div>
<div class="line"><a name="l01873"></a><span class="lineno"> 1873</span>  u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[1][0]*re00 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[1][0]*im00 +</div>
<div class="line"><a name="l01874"></a><span class="lineno"> 1874</span>  u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[1][1]*re01 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[1][1]*im01 +</div>
<div class="line"><a name="l01875"></a><span class="lineno"> 1875</span>  u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[1][2]*re10 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[1][2]*im10 +</div>
<div class="line"><a name="l01876"></a><span class="lineno"> 1876</span>  u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[1][3]*re11 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[1][3]*im11;</div>
<div class="line"><a name="l01877"></a><span class="lineno"> 1877</span>  imVec[ind01] =</div>
<div class="line"><a name="l01878"></a><span class="lineno"> 1878</span>  u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[1][0]*re00 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[1][0]*im00 +</div>
<div class="line"><a name="l01879"></a><span class="lineno"> 1879</span>  u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[1][1]*re01 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[1][1]*im01 +</div>
<div class="line"><a name="l01880"></a><span class="lineno"> 1880</span>  u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[1][2]*re10 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[1][2]*im10 +</div>
<div class="line"><a name="l01881"></a><span class="lineno"> 1881</span>  u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[1][3]*re11 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[1][3]*im11;</div>
<div class="line"><a name="l01882"></a><span class="lineno"> 1882</span>  </div>
<div class="line"><a name="l01883"></a><span class="lineno"> 1883</span>  reVec[ind10] = </div>
<div class="line"><a name="l01884"></a><span class="lineno"> 1884</span>  u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[2][0]*re00 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[2][0]*im00 +</div>
<div class="line"><a name="l01885"></a><span class="lineno"> 1885</span>  u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[2][1]*re01 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[2][1]*im01 +</div>
<div class="line"><a name="l01886"></a><span class="lineno"> 1886</span>  u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[2][2]*re10 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[2][2]*im10 +</div>
<div class="line"><a name="l01887"></a><span class="lineno"> 1887</span>  u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[2][3]*re11 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[2][3]*im11;</div>
<div class="line"><a name="l01888"></a><span class="lineno"> 1888</span>  imVec[ind10] =</div>
<div class="line"><a name="l01889"></a><span class="lineno"> 1889</span>  u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[2][0]*re00 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[2][0]*im00 +</div>
<div class="line"><a name="l01890"></a><span class="lineno"> 1890</span>  u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[2][1]*re01 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[2][1]*im01 +</div>
<div class="line"><a name="l01891"></a><span class="lineno"> 1891</span>  u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[2][2]*re10 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[2][2]*im10 +</div>
<div class="line"><a name="l01892"></a><span class="lineno"> 1892</span>  u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[2][3]*re11 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[2][3]*im11; </div>
<div class="line"><a name="l01893"></a><span class="lineno"> 1893</span>  </div>
<div class="line"><a name="l01894"></a><span class="lineno"> 1894</span>  reVec[ind11] = </div>
<div class="line"><a name="l01895"></a><span class="lineno"> 1895</span>  u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[3][0]*re00 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[3][0]*im00 +</div>
<div class="line"><a name="l01896"></a><span class="lineno"> 1896</span>  u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[3][1]*re01 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[3][1]*im01 +</div>
<div class="line"><a name="l01897"></a><span class="lineno"> 1897</span>  u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[3][2]*re10 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[3][2]*im10 +</div>
<div class="line"><a name="l01898"></a><span class="lineno"> 1898</span>  u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[3][3]*re11 - u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[3][3]*im11;</div>
<div class="line"><a name="l01899"></a><span class="lineno"> 1899</span>  imVec[ind11] =</div>
<div class="line"><a name="l01900"></a><span class="lineno"> 1900</span>  u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[3][0]*re00 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[3][0]*im00 +</div>
<div class="line"><a name="l01901"></a><span class="lineno"> 1901</span>  u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[3][1]*re01 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[3][1]*im01 +</div>
<div class="line"><a name="l01902"></a><span class="lineno"> 1902</span>  u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[3][2]*re10 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[3][2]*im10 +</div>
<div class="line"><a name="l01903"></a><span class="lineno"> 1903</span>  u.<a class="code" href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">imag</a>[3][3]*re11 + u.<a class="code" href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">real</a>[3][3]*im11; </div>
<div class="line"><a name="l01904"></a><span class="lineno"> 1904</span>  }</div>
<div class="line"><a name="l01905"></a><span class="lineno"> 1905</span>  }</div>
<div class="line"><a name="l01906"></a><span class="lineno"> 1906</span> }</div>
<div class="line"><a name="l01907"></a><span class="lineno"> 1907</span>  </div>
<div class="line"><a name="l01908"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#afa4231f79fe9498e4fd87cc70cde5a9d"> 1908</a></span> <span class="keywordtype">int</span> <a class="code" href="QuEST__cpu_8c.html#afa4231f79fe9498e4fd87cc70cde5a9d">qsortComp</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *a, <span class="keyword">const</span> <span class="keywordtype">void</span> *b) {</div>
<div class="line"><a name="l01909"></a><span class="lineno"> 1909</span>  <span class="keywordflow">return</span> *(<span class="keywordtype">int</span>*)a - *(<span class="keywordtype">int</span>*)b; </div>
<div class="line"><a name="l01910"></a><span class="lineno"> 1910</span> }</div>
<div class="line"><a name="l01911"></a><span class="lineno"> 1911</span>  </div>
<div class="line"><a name="l01912"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a0aedcccfa50c7aaa8b7fc4c14d7cdfb8"> 1912</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a0aedcccfa50c7aaa8b7fc4c14d7cdfb8">statevec_multiControlledMultiQubitUnitaryLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ctrlMask, <span class="keywordtype">int</span>* targs, <span class="keywordtype">int</span> numTargs, <a class="code" href="structComplexMatrixN.html">ComplexMatrixN</a> u)</div>
<div class="line"><a name="l01913"></a><span class="lineno"> 1913</span> {</div>
<div class="line"><a name="l01914"></a><span class="lineno"> 1914</span>  <span class="comment">// can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l01915"></a><span class="lineno"> 1915</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *reVec = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l01916"></a><span class="lineno"> 1916</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *imVec = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l01917"></a><span class="lineno"> 1917</span>  </div>
<div class="line"><a name="l01918"></a><span class="lineno"> 1918</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a> >> numTargs; <span class="comment">// kernel called on every 1 in 2^numTargs amplitudes</span></div>
<div class="line"><a name="l01919"></a><span class="lineno"> 1919</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTargAmps = 1 << u.<a class="code" href="structComplexMatrixN.html#a606f7afbc3f65a596bdca21cb43be6a8">numQubits</a>; <span class="comment">// num amps to be modified by each task</span></div>
<div class="line"><a name="l01920"></a><span class="lineno"> 1920</span>  </div>
<div class="line"><a name="l01921"></a><span class="lineno"> 1921</span>  <span class="comment">// the global (between all nodes) index of this node's start index</span></div>
<div class="line"><a name="l01922"></a><span class="lineno"> 1922</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> globalIndStart = qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>*qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>; </div>
<div class="line"><a name="l01923"></a><span class="lineno"> 1923</span>  </div>
<div class="line"><a name="l01924"></a><span class="lineno"> 1924</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l01925"></a><span class="lineno"> 1925</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisInd00; <span class="comment">// this thread's index of |..0..0..> (target qubits = 0) </span></div>
<div class="line"><a name="l01926"></a><span class="lineno"> 1926</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisGlobalInd00; <span class="comment">// the global (between all nodes) index of this thread's |..0..0..> state</span></div>
<div class="line"><a name="l01927"></a><span class="lineno"> 1927</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ind; <span class="comment">// each thread's iteration of amplitudes to modify</span></div>
<div class="line"><a name="l01928"></a><span class="lineno"> 1928</span>  <span class="keywordtype">int</span> i, t, r, c; <span class="comment">// each thread's iteration of amps and targets </span></div>
<div class="line"><a name="l01929"></a><span class="lineno"> 1929</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> reElem, imElem; <span class="comment">// each thread's iteration of u elements</span></div>
<div class="line"><a name="l01930"></a><span class="lineno"> 1930</span>  </div>
<div class="line"><a name="l01931"></a><span class="lineno"> 1931</span>  <span class="comment">// each thread/task will record and modify numTargAmps amplitudes, privately</span></div>
<div class="line"><a name="l01932"></a><span class="lineno"> 1932</span>  <span class="comment">// (of course, tasks eliminated by the ctrlMask won't edit their allocation)</span></div>
<div class="line"><a name="l01933"></a><span class="lineno"> 1933</span>  <span class="comment">//</span></div>
<div class="line"><a name="l01934"></a><span class="lineno"> 1934</span>  <span class="comment">// If we're NOT on windows, we can fortunately use the stack directly</span></div>
<div class="line"><a name="l01935"></a><span class="lineno"> 1935</span> <span class="preprocessor"> #ifndef _WIN32</span></div>
<div class="line"><a name="l01936"></a><span class="lineno"> 1936</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ampInds[numTargAmps];</div>
<div class="line"><a name="l01937"></a><span class="lineno"> 1937</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> reAmps[numTargAmps];</div>
<div class="line"><a name="l01938"></a><span class="lineno"> 1938</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> imAmps[numTargAmps];</div>
<div class="line"><a name="l01939"></a><span class="lineno"> 1939</span>  </div>
<div class="line"><a name="l01940"></a><span class="lineno"> 1940</span>  <span class="keywordtype">int</span> sortedTargs[numTargs];</div>
<div class="line"><a name="l01941"></a><span class="lineno"> 1941</span>  <span class="comment">// on Windows, with no VLA, we can use _malloca to allocate on stack (must free)</span></div>
<div class="line"><a name="l01942"></a><span class="lineno"> 1942</span> <span class="preprocessor"> #else</span></div>
<div class="line"><a name="l01943"></a><span class="lineno"> 1943</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span>* ampInds;</div>
<div class="line"><a name="l01944"></a><span class="lineno"> 1944</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* reAmps;</div>
<div class="line"><a name="l01945"></a><span class="lineno"> 1945</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* imAmps;</div>
<div class="line"><a name="l01946"></a><span class="lineno"> 1946</span>  <span class="keywordtype">int</span>* sortedTargs = (<span class="keywordtype">int</span>*) _malloca(numTargs * <span class="keyword">sizeof</span> *sortedTargs);</div>
<div class="line"><a name="l01947"></a><span class="lineno"> 1947</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l01948"></a><span class="lineno"> 1948</span>  </div>
<div class="line"><a name="l01949"></a><span class="lineno"> 1949</span>  <span class="comment">// we need a sorted targets list to find thisInd00 for each task.</span></div>
<div class="line"><a name="l01950"></a><span class="lineno"> 1950</span>  <span class="comment">// we can't modify targets, because the user-ordering of targets matters in u</span></div>
<div class="line"><a name="l01951"></a><span class="lineno"> 1951</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> t=0; t < numTargs; t++) </div>
<div class="line"><a name="l01952"></a><span class="lineno"> 1952</span>  sortedTargs[t] = targs[t];</div>
<div class="line"><a name="l01953"></a><span class="lineno"> 1953</span>  qsort(sortedTargs, numTargs, <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>), <a class="code" href="QuEST__cpu_8c.html#afa4231f79fe9498e4fd87cc70cde5a9d">qsortComp</a>);</div>
<div class="line"><a name="l01954"></a><span class="lineno"> 1954</span>  </div>
<div class="line"><a name="l01955"></a><span class="lineno"> 1955</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01956"></a><span class="lineno"> 1956</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01957"></a><span class="lineno"> 1957</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01958"></a><span class="lineno"> 1958</span> <span class="preprocessor"> shared (reVec,imVec, numTasks,numTargAmps,globalIndStart, ctrlMask,targs,sortedTargs,u,numTargs) \</span></div>
<div class="line"><a name="l01959"></a><span class="lineno"> 1959</span> <span class="preprocessor"> private (thisTask,thisInd00,thisGlobalInd00,ind,i,t,r,c,reElem,imElem, ampInds,reAmps,imAmps)</span></div>
<div class="line"><a name="l01960"></a><span class="lineno"> 1960</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01961"></a><span class="lineno"> 1961</span>  {</div>
<div class="line"><a name="l01962"></a><span class="lineno"> 1962</span>  <span class="comment">// when manually allocating array memory (on Windows), this must be done in each thread</span></div>
<div class="line"><a name="l01963"></a><span class="lineno"> 1963</span>  <span class="comment">// separately and is not performed automatically by declaring a var as omp-private</span></div>
<div class="line"><a name="l01964"></a><span class="lineno"> 1964</span> <span class="preprocessor"> # ifdef _WIN32</span></div>
<div class="line"><a name="l01965"></a><span class="lineno"> 1965</span>  ampInds = (<span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span>*) _malloca(numTargAmps * <span class="keyword">sizeof</span> *ampInds);</div>
<div class="line"><a name="l01966"></a><span class="lineno"> 1966</span>  reAmps = (<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>*) _malloca(numTargAmps * <span class="keyword">sizeof</span> *reAmps);</div>
<div class="line"><a name="l01967"></a><span class="lineno"> 1967</span>  imAmps = (<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>*) _malloca(numTargAmps * <span class="keyword">sizeof</span> *imAmps);</div>
<div class="line"><a name="l01968"></a><span class="lineno"> 1968</span> <span class="preprocessor"> # endif</span></div>
<div class="line"><a name="l01969"></a><span class="lineno"> 1969</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01970"></a><span class="lineno"> 1970</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01971"></a><span class="lineno"> 1971</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01972"></a><span class="lineno"> 1972</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l01973"></a><span class="lineno"> 1973</span>  </div>
<div class="line"><a name="l01974"></a><span class="lineno"> 1974</span>  <span class="comment">// find this task's start index (where all targs are 0)</span></div>
<div class="line"><a name="l01975"></a><span class="lineno"> 1975</span>  thisInd00 = thisTask;</div>
<div class="line"><a name="l01976"></a><span class="lineno"> 1976</span>  <span class="keywordflow">for</span> (t=0; t < numTargs; t++)</div>
<div class="line"><a name="l01977"></a><span class="lineno"> 1977</span>  thisInd00 = <a class="code" href="QuEST__gpu_8cu.html#a5c6f1b2c71f43e57de4a1f818ddfbfd0">insertZeroBit</a>(thisInd00, sortedTargs[t]);</div>
<div class="line"><a name="l01978"></a><span class="lineno"> 1978</span>  </div>
<div class="line"><a name="l01979"></a><span class="lineno"> 1979</span>  <span class="comment">// this task only modifies amplitudes if control qubits are 1 for this state</span></div>
<div class="line"><a name="l01980"></a><span class="lineno"> 1980</span>  thisGlobalInd00 = thisInd00 + globalIndStart;</div>
<div class="line"><a name="l01981"></a><span class="lineno"> 1981</span>  <span class="keywordflow">if</span> (ctrlMask && ((ctrlMask & thisGlobalInd00) != ctrlMask))</div>
<div class="line"><a name="l01982"></a><span class="lineno"> 1982</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l01983"></a><span class="lineno"> 1983</span>  </div>
<div class="line"><a name="l01984"></a><span class="lineno"> 1984</span>  <span class="comment">// determine the indices and record values of this tasks's target amps</span></div>
<div class="line"><a name="l01985"></a><span class="lineno"> 1985</span>  <span class="keywordflow">for</span> (i=0; i < numTargAmps; i++) {</div>
<div class="line"><a name="l01986"></a><span class="lineno"> 1986</span>  </div>
<div class="line"><a name="l01987"></a><span class="lineno"> 1987</span>  <span class="comment">// get statevec index of current target qubit assignment</span></div>
<div class="line"><a name="l01988"></a><span class="lineno"> 1988</span>  ind = thisInd00;</div>
<div class="line"><a name="l01989"></a><span class="lineno"> 1989</span>  <span class="keywordflow">for</span> (t=0; t < numTargs; t++)</div>
<div class="line"><a name="l01990"></a><span class="lineno"> 1990</span>  <span class="keywordflow">if</span> (<a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(t, i))</div>
<div class="line"><a name="l01991"></a><span class="lineno"> 1991</span>  ind = <a class="code" href="QuEST__gpu_8cu.html#ae1b7788cf504ec3d79de3855f97929c7">flipBit</a>(ind, targs[t]);</div>
<div class="line"><a name="l01992"></a><span class="lineno"> 1992</span>  </div>
<div class="line"><a name="l01993"></a><span class="lineno"> 1993</span>  <span class="comment">// update this tasks's private arrays</span></div>
<div class="line"><a name="l01994"></a><span class="lineno"> 1994</span>  ampInds[i] = ind;</div>
<div class="line"><a name="l01995"></a><span class="lineno"> 1995</span>  reAmps [i] = reVec[ind];</div>
<div class="line"><a name="l01996"></a><span class="lineno"> 1996</span>  imAmps [i] = imVec[ind];</div>
<div class="line"><a name="l01997"></a><span class="lineno"> 1997</span>  }</div>
<div class="line"><a name="l01998"></a><span class="lineno"> 1998</span>  </div>
<div class="line"><a name="l01999"></a><span class="lineno"> 1999</span>  <span class="comment">// modify this tasks's target amplitudes</span></div>
<div class="line"><a name="l02000"></a><span class="lineno"> 2000</span>  <span class="keywordflow">for</span> (r=0; r < numTargAmps; r++) {</div>
<div class="line"><a name="l02001"></a><span class="lineno"> 2001</span>  ind = ampInds[r];</div>
<div class="line"><a name="l02002"></a><span class="lineno"> 2002</span>  reVec[ind] = 0;</div>
<div class="line"><a name="l02003"></a><span class="lineno"> 2003</span>  imVec[ind] = 0;</div>
<div class="line"><a name="l02004"></a><span class="lineno"> 2004</span>  </div>
<div class="line"><a name="l02005"></a><span class="lineno"> 2005</span>  <span class="keywordflow">for</span> (c=0; c < numTargAmps; c++) {</div>
<div class="line"><a name="l02006"></a><span class="lineno"> 2006</span>  reElem = u.<a class="code" href="structComplexMatrixN.html#a446e8a077597e4f76049d547df0c9738">real</a>[r][c];</div>
<div class="line"><a name="l02007"></a><span class="lineno"> 2007</span>  imElem = u.<a class="code" href="structComplexMatrixN.html#afde13e469a3b4f179f45e53d1ec0a7cf">imag</a>[r][c];</div>
<div class="line"><a name="l02008"></a><span class="lineno"> 2008</span>  reVec[ind] += reAmps[c]*reElem - imAmps[c]*imElem;</div>
<div class="line"><a name="l02009"></a><span class="lineno"> 2009</span>  imVec[ind] += reAmps[c]*imElem + imAmps[c]*reElem;</div>
<div class="line"><a name="l02010"></a><span class="lineno"> 2010</span>  }</div>
<div class="line"><a name="l02011"></a><span class="lineno"> 2011</span>  }</div>
<div class="line"><a name="l02012"></a><span class="lineno"> 2012</span>  }</div>
<div class="line"><a name="l02013"></a><span class="lineno"> 2013</span>  <span class="comment">// on Windows, we must explicitly free the stack structures</span></div>
<div class="line"><a name="l02014"></a><span class="lineno"> 2014</span> <span class="preprocessor"> #ifdef _WIN32</span></div>
<div class="line"><a name="l02015"></a><span class="lineno"> 2015</span>  _freea(ampInds);</div>
<div class="line"><a name="l02016"></a><span class="lineno"> 2016</span>  _freea(reAmps);</div>
<div class="line"><a name="l02017"></a><span class="lineno"> 2017</span>  _freea(imAmps);</div>
<div class="line"><a name="l02018"></a><span class="lineno"> 2018</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l02019"></a><span class="lineno"> 2019</span>  }</div>
<div class="line"><a name="l02020"></a><span class="lineno"> 2020</span>  </div>
<div class="line"><a name="l02021"></a><span class="lineno"> 2021</span> <span class="preprocessor"> #ifdef _WIN32</span></div>
<div class="line"><a name="l02022"></a><span class="lineno"> 2022</span>  _freea(sortedTargs);</div>
<div class="line"><a name="l02023"></a><span class="lineno"> 2023</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l02024"></a><span class="lineno"> 2024</span> }</div>
<div class="line"><a name="l02025"></a><span class="lineno"> 2025</span>  </div>
<div class="line"><a name="l02026"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#aafc398f8f479fcc066a2dea700235635"> 2026</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#aafc398f8f479fcc066a2dea700235635">statevec_unitaryLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <a class="code" href="structComplexMatrix2.html">ComplexMatrix2</a> u)</div>
<div class="line"><a name="l02027"></a><span class="lineno"> 2027</span> {</div>
<div class="line"><a name="l02028"></a><span class="lineno"> 2028</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02029"></a><span class="lineno"> 2029</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l02030"></a><span class="lineno"> 2030</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02031"></a><span class="lineno"> 2031</span>  </div>
<div class="line"><a name="l02032"></a><span class="lineno"> 2032</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02033"></a><span class="lineno"> 2033</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02034"></a><span class="lineno"> 2034</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>>>1;</div>
<div class="line"><a name="l02035"></a><span class="lineno"> 2035</span>  </div>
<div class="line"><a name="l02036"></a><span class="lineno"> 2036</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02037"></a><span class="lineno"> 2037</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l02038"></a><span class="lineno"> 2038</span>  sizeBlock = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02039"></a><span class="lineno"> 2039</span>  </div>
<div class="line"><a name="l02040"></a><span class="lineno"> 2040</span>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02041"></a><span class="lineno"> 2041</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l02042"></a><span class="lineno"> 2042</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l02043"></a><span class="lineno"> 2043</span>  </div>
<div class="line"><a name="l02044"></a><span class="lineno"> 2044</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02045"></a><span class="lineno"> 2045</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02046"></a><span class="lineno"> 2046</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02047"></a><span class="lineno"> 2047</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, u,numTasks) \</span></div>
<div class="line"><a name="l02048"></a><span class="lineno"> 2048</span> <span class="preprocessor"> private (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l02049"></a><span class="lineno"> 2049</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02050"></a><span class="lineno"> 2050</span>  {</div>
<div class="line"><a name="l02051"></a><span class="lineno"> 2051</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02052"></a><span class="lineno"> 2052</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02053"></a><span class="lineno"> 2053</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02054"></a><span class="lineno"> 2054</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02055"></a><span class="lineno"> 2055</span>  </div>
<div class="line"><a name="l02056"></a><span class="lineno"> 2056</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02057"></a><span class="lineno"> 2057</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02058"></a><span class="lineno"> 2058</span>  indexLo = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02059"></a><span class="lineno"> 2059</span>  </div>
<div class="line"><a name="l02060"></a><span class="lineno"> 2060</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02061"></a><span class="lineno"> 2061</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02062"></a><span class="lineno"> 2062</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02063"></a><span class="lineno"> 2063</span>  </div>
<div class="line"><a name="l02064"></a><span class="lineno"> 2064</span>  stateRealLo = stateVecReal[indexLo];</div>
<div class="line"><a name="l02065"></a><span class="lineno"> 2065</span>  stateImagLo = stateVecImag[indexLo];</div>
<div class="line"><a name="l02066"></a><span class="lineno"> 2066</span>  </div>
<div class="line"><a name="l02067"></a><span class="lineno"> 2067</span>  </div>
<div class="line"><a name="l02068"></a><span class="lineno"> 2068</span>  <span class="comment">// state[indexUp] = u00 * state[indexUp] + u01 * state[indexLo]</span></div>
<div class="line"><a name="l02069"></a><span class="lineno"> 2069</span>  stateVecReal[indexUp] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][0]*stateRealUp - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][0]*stateImagUp </div>
<div class="line"><a name="l02070"></a><span class="lineno"> 2070</span>  + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][1]*stateRealLo - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][1]*stateImagLo;</div>
<div class="line"><a name="l02071"></a><span class="lineno"> 2071</span>  stateVecImag[indexUp] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][0]*stateImagUp + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][0]*stateRealUp </div>
<div class="line"><a name="l02072"></a><span class="lineno"> 2072</span>  + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][1]*stateImagLo + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][1]*stateRealLo;</div>
<div class="line"><a name="l02073"></a><span class="lineno"> 2073</span>  </div>
<div class="line"><a name="l02074"></a><span class="lineno"> 2074</span>  <span class="comment">// state[indexLo] = u10 * state[indexUp] + u11 * state[indexLo]</span></div>
<div class="line"><a name="l02075"></a><span class="lineno"> 2075</span>  stateVecReal[indexLo] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][0]*stateRealUp - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][0]*stateImagUp </div>
<div class="line"><a name="l02076"></a><span class="lineno"> 2076</span>  + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][1]*stateRealLo - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][1]*stateImagLo;</div>
<div class="line"><a name="l02077"></a><span class="lineno"> 2077</span>  stateVecImag[indexLo] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][0]*stateImagUp + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][0]*stateRealUp </div>
<div class="line"><a name="l02078"></a><span class="lineno"> 2078</span>  + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][1]*stateImagLo + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][1]*stateRealLo;</div>
<div class="line"><a name="l02079"></a><span class="lineno"> 2079</span>  </div>
<div class="line"><a name="l02080"></a><span class="lineno"> 2080</span>  } </div>
<div class="line"><a name="l02081"></a><span class="lineno"> 2081</span>  }</div>
<div class="line"><a name="l02082"></a><span class="lineno"> 2082</span> } </div>
<div class="line"><a name="l02083"></a><span class="lineno"> 2083</span>  </div>
<div class="line"><a name="l02095"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a0a7a35628b1c1eb47336deb9afda5b68"> 2095</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a0a7a35628b1c1eb47336deb9afda5b68">statevec_compactUnitaryDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg,</div>
<div class="line"><a name="l02096"></a><span class="lineno"> 2096</span>  <a class="code" href="structComplex.html">Complex</a> rot1, <a class="code" href="structComplex.html">Complex</a> rot2,</div>
<div class="line"><a name="l02097"></a><span class="lineno"> 2097</span>  ComplexArray stateVecUp,</div>
<div class="line"><a name="l02098"></a><span class="lineno"> 2098</span>  ComplexArray stateVecLo,</div>
<div class="line"><a name="l02099"></a><span class="lineno"> 2099</span>  ComplexArray stateVecOut)</div>
<div class="line"><a name="l02100"></a><span class="lineno"> 2100</span> {</div>
<div class="line"><a name="l02101"></a><span class="lineno"> 2101</span>  </div>
<div class="line"><a name="l02102"></a><span class="lineno"> 2102</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02103"></a><span class="lineno"> 2103</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02104"></a><span class="lineno"> 2104</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02105"></a><span class="lineno"> 2105</span>  </div>
<div class="line"><a name="l02106"></a><span class="lineno"> 2106</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot1Real=rot1.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot1Imag=rot1.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02107"></a><span class="lineno"> 2107</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot2Real=rot2.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot2Imag=rot2.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02108"></a><span class="lineno"> 2108</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealUp=stateVecUp.real, *stateVecImagUp=stateVecUp.imag;</div>
<div class="line"><a name="l02109"></a><span class="lineno"> 2109</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealLo=stateVecLo.real, *stateVecImagLo=stateVecLo.imag;</div>
<div class="line"><a name="l02110"></a><span class="lineno"> 2110</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02111"></a><span class="lineno"> 2111</span>  </div>
<div class="line"><a name="l02112"></a><span class="lineno"> 2112</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02113"></a><span class="lineno"> 2113</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02114"></a><span class="lineno"> 2114</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02115"></a><span class="lineno"> 2115</span> <span class="preprocessor"> shared (stateVecRealUp,stateVecImagUp,stateVecRealLo,stateVecImagLo,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02116"></a><span class="lineno"> 2116</span> <span class="preprocessor"> rot1Real,rot1Imag, rot2Real,rot2Imag,numTasks) \</span></div>
<div class="line"><a name="l02117"></a><span class="lineno"> 2117</span> <span class="preprocessor"> private (thisTask,stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l02118"></a><span class="lineno"> 2118</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02119"></a><span class="lineno"> 2119</span>  {</div>
<div class="line"><a name="l02120"></a><span class="lineno"> 2120</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02121"></a><span class="lineno"> 2121</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02122"></a><span class="lineno"> 2122</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02123"></a><span class="lineno"> 2123</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02124"></a><span class="lineno"> 2124</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02125"></a><span class="lineno"> 2125</span>  stateRealUp = stateVecRealUp[thisTask];</div>
<div class="line"><a name="l02126"></a><span class="lineno"> 2126</span>  stateImagUp = stateVecImagUp[thisTask];</div>
<div class="line"><a name="l02127"></a><span class="lineno"> 2127</span>  </div>
<div class="line"><a name="l02128"></a><span class="lineno"> 2128</span>  stateRealLo = stateVecRealLo[thisTask];</div>
<div class="line"><a name="l02129"></a><span class="lineno"> 2129</span>  stateImagLo = stateVecImagLo[thisTask];</div>
<div class="line"><a name="l02130"></a><span class="lineno"> 2130</span>  </div>
<div class="line"><a name="l02131"></a><span class="lineno"> 2131</span>  <span class="comment">// state[indexUp] = alpha * state[indexUp] - conj(beta) * state[indexLo]</span></div>
<div class="line"><a name="l02132"></a><span class="lineno"> 2132</span>  stateVecRealOut[thisTask] = rot1Real*stateRealUp - rot1Imag*stateImagUp + rot2Real*stateRealLo + rot2Imag*stateImagLo;</div>
<div class="line"><a name="l02133"></a><span class="lineno"> 2133</span>  stateVecImagOut[thisTask] = rot1Real*stateImagUp + rot1Imag*stateRealUp + rot2Real*stateImagLo - rot2Imag*stateRealLo;</div>
<div class="line"><a name="l02134"></a><span class="lineno"> 2134</span>  }</div>
<div class="line"><a name="l02135"></a><span class="lineno"> 2135</span>  }</div>
<div class="line"><a name="l02136"></a><span class="lineno"> 2136</span> }</div>
<div class="line"><a name="l02137"></a><span class="lineno"> 2137</span>  </div>
<div class="line"><a name="l02151"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a0ce2c2fd54df25495e99dc5b95bed4b2"> 2151</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a0ce2c2fd54df25495e99dc5b95bed4b2">statevec_unitaryDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg,</div>
<div class="line"><a name="l02152"></a><span class="lineno"> 2152</span>  <a class="code" href="structComplex.html">Complex</a> rot1, <a class="code" href="structComplex.html">Complex</a> rot2,</div>
<div class="line"><a name="l02153"></a><span class="lineno"> 2153</span>  ComplexArray stateVecUp,</div>
<div class="line"><a name="l02154"></a><span class="lineno"> 2154</span>  ComplexArray stateVecLo,</div>
<div class="line"><a name="l02155"></a><span class="lineno"> 2155</span>  ComplexArray stateVecOut)</div>
<div class="line"><a name="l02156"></a><span class="lineno"> 2156</span> {</div>
<div class="line"><a name="l02157"></a><span class="lineno"> 2157</span>  </div>
<div class="line"><a name="l02158"></a><span class="lineno"> 2158</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02159"></a><span class="lineno"> 2159</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02160"></a><span class="lineno"> 2160</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02161"></a><span class="lineno"> 2161</span>  </div>
<div class="line"><a name="l02162"></a><span class="lineno"> 2162</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot1Real=rot1.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot1Imag=rot1.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02163"></a><span class="lineno"> 2163</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot2Real=rot2.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot2Imag=rot2.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02164"></a><span class="lineno"> 2164</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealUp=stateVecUp.real, *stateVecImagUp=stateVecUp.imag;</div>
<div class="line"><a name="l02165"></a><span class="lineno"> 2165</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealLo=stateVecLo.real, *stateVecImagLo=stateVecLo.imag;</div>
<div class="line"><a name="l02166"></a><span class="lineno"> 2166</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02167"></a><span class="lineno"> 2167</span>  </div>
<div class="line"><a name="l02168"></a><span class="lineno"> 2168</span>  </div>
<div class="line"><a name="l02169"></a><span class="lineno"> 2169</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02170"></a><span class="lineno"> 2170</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02171"></a><span class="lineno"> 2171</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02172"></a><span class="lineno"> 2172</span> <span class="preprocessor"> shared (stateVecRealUp,stateVecImagUp,stateVecRealLo,stateVecImagLo,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02173"></a><span class="lineno"> 2173</span> <span class="preprocessor"> rot1Real, rot1Imag, rot2Real, rot2Imag,numTasks) \</span></div>
<div class="line"><a name="l02174"></a><span class="lineno"> 2174</span> <span class="preprocessor"> private (thisTask,stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l02175"></a><span class="lineno"> 2175</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02176"></a><span class="lineno"> 2176</span>  {</div>
<div class="line"><a name="l02177"></a><span class="lineno"> 2177</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02178"></a><span class="lineno"> 2178</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02179"></a><span class="lineno"> 2179</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02180"></a><span class="lineno"> 2180</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02181"></a><span class="lineno"> 2181</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02182"></a><span class="lineno"> 2182</span>  stateRealUp = stateVecRealUp[thisTask];</div>
<div class="line"><a name="l02183"></a><span class="lineno"> 2183</span>  stateImagUp = stateVecImagUp[thisTask];</div>
<div class="line"><a name="l02184"></a><span class="lineno"> 2184</span>  </div>
<div class="line"><a name="l02185"></a><span class="lineno"> 2185</span>  stateRealLo = stateVecRealLo[thisTask];</div>
<div class="line"><a name="l02186"></a><span class="lineno"> 2186</span>  stateImagLo = stateVecImagLo[thisTask];</div>
<div class="line"><a name="l02187"></a><span class="lineno"> 2187</span>  </div>
<div class="line"><a name="l02188"></a><span class="lineno"> 2188</span>  stateVecRealOut[thisTask] = rot1Real*stateRealUp - rot1Imag*stateImagUp </div>
<div class="line"><a name="l02189"></a><span class="lineno"> 2189</span>  + rot2Real*stateRealLo - rot2Imag*stateImagLo;</div>
<div class="line"><a name="l02190"></a><span class="lineno"> 2190</span>  stateVecImagOut[thisTask] = rot1Real*stateImagUp + rot1Imag*stateRealUp </div>
<div class="line"><a name="l02191"></a><span class="lineno"> 2191</span>  + rot2Real*stateImagLo + rot2Imag*stateRealLo;</div>
<div class="line"><a name="l02192"></a><span class="lineno"> 2192</span>  }</div>
<div class="line"><a name="l02193"></a><span class="lineno"> 2193</span>  }</div>
<div class="line"><a name="l02194"></a><span class="lineno"> 2194</span> }</div>
<div class="line"><a name="l02195"></a><span class="lineno"> 2195</span>  </div>
<div class="line"><a name="l02196"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a215e2d6f88dbecc0b408b3573b5e144f"> 2196</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a215e2d6f88dbecc0b408b3573b5e144f">statevec_controlledCompactUnitaryLocal</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> controlQubit, <span class="keywordtype">int</span> targetQubit, </div>
<div class="line"><a name="l02197"></a><span class="lineno"> 2197</span>  <a class="code" href="structComplex.html">Complex</a> alpha, <a class="code" href="structComplex.html">Complex</a> beta)</div>
<div class="line"><a name="l02198"></a><span class="lineno"> 2198</span> {</div>
<div class="line"><a name="l02199"></a><span class="lineno"> 2199</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02200"></a><span class="lineno"> 2200</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l02201"></a><span class="lineno"> 2201</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02202"></a><span class="lineno"> 2202</span>  </div>
<div class="line"><a name="l02203"></a><span class="lineno"> 2203</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02204"></a><span class="lineno"> 2204</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02205"></a><span class="lineno"> 2205</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>>>1;</div>
<div class="line"><a name="l02206"></a><span class="lineno"> 2206</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02207"></a><span class="lineno"> 2207</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02208"></a><span class="lineno"> 2208</span>  </div>
<div class="line"><a name="l02209"></a><span class="lineno"> 2209</span>  <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02210"></a><span class="lineno"> 2210</span>  </div>
<div class="line"><a name="l02211"></a><span class="lineno"> 2211</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02212"></a><span class="lineno"> 2212</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l02213"></a><span class="lineno"> 2213</span>  sizeBlock = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02214"></a><span class="lineno"> 2214</span>  </div>
<div class="line"><a name="l02215"></a><span class="lineno"> 2215</span>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02216"></a><span class="lineno"> 2216</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l02217"></a><span class="lineno"> 2217</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l02218"></a><span class="lineno"> 2218</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> alphaImag=alpha.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>, alphaReal=alpha.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>;</div>
<div class="line"><a name="l02219"></a><span class="lineno"> 2219</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> betaImag=beta.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>, betaReal=beta.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>;</div>
<div class="line"><a name="l02220"></a><span class="lineno"> 2220</span>  </div>
<div class="line"><a name="l02221"></a><span class="lineno"> 2221</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02222"></a><span class="lineno"> 2222</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02223"></a><span class="lineno"> 2223</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02224"></a><span class="lineno"> 2224</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, alphaReal,alphaImag, betaReal,betaImag, \</span></div>
<div class="line"><a name="l02225"></a><span class="lineno"> 2225</span> <span class="preprocessor"> numTasks,chunkId,chunkSize,controlQubit) \</span></div>
<div class="line"><a name="l02226"></a><span class="lineno"> 2226</span> <span class="preprocessor"> private (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,stateRealLo,stateImagLo,controlBit)</span></div>
<div class="line"><a name="l02227"></a><span class="lineno"> 2227</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02228"></a><span class="lineno"> 2228</span>  {</div>
<div class="line"><a name="l02229"></a><span class="lineno"> 2229</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02230"></a><span class="lineno"> 2230</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02231"></a><span class="lineno"> 2231</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02232"></a><span class="lineno"> 2232</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02233"></a><span class="lineno"> 2233</span>  </div>
<div class="line"><a name="l02234"></a><span class="lineno"> 2234</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02235"></a><span class="lineno"> 2235</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02236"></a><span class="lineno"> 2236</span>  indexLo = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02237"></a><span class="lineno"> 2237</span>  </div>
<div class="line"><a name="l02238"></a><span class="lineno"> 2238</span>  controlBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (controlQubit, indexUp+chunkId*chunkSize);</div>
<div class="line"><a name="l02239"></a><span class="lineno"> 2239</span>  <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02240"></a><span class="lineno"> 2240</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02241"></a><span class="lineno"> 2241</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02242"></a><span class="lineno"> 2242</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02243"></a><span class="lineno"> 2243</span>  </div>
<div class="line"><a name="l02244"></a><span class="lineno"> 2244</span>  stateRealLo = stateVecReal[indexLo];</div>
<div class="line"><a name="l02245"></a><span class="lineno"> 2245</span>  stateImagLo = stateVecImag[indexLo];</div>
<div class="line"><a name="l02246"></a><span class="lineno"> 2246</span>  </div>
<div class="line"><a name="l02247"></a><span class="lineno"> 2247</span>  <span class="comment">// state[indexUp] = alpha * state[indexUp] - conj(beta) * state[indexLo]</span></div>
<div class="line"><a name="l02248"></a><span class="lineno"> 2248</span>  stateVecReal[indexUp] = alphaReal*stateRealUp - alphaImag*stateImagUp </div>
<div class="line"><a name="l02249"></a><span class="lineno"> 2249</span>  - betaReal*stateRealLo - betaImag*stateImagLo;</div>
<div class="line"><a name="l02250"></a><span class="lineno"> 2250</span>  stateVecImag[indexUp] = alphaReal*stateImagUp + alphaImag*stateRealUp </div>
<div class="line"><a name="l02251"></a><span class="lineno"> 2251</span>  - betaReal*stateImagLo + betaImag*stateRealLo;</div>
<div class="line"><a name="l02252"></a><span class="lineno"> 2252</span>  </div>
<div class="line"><a name="l02253"></a><span class="lineno"> 2253</span>  <span class="comment">// state[indexLo] = beta * state[indexUp] + conj(alpha) * state[indexLo]</span></div>
<div class="line"><a name="l02254"></a><span class="lineno"> 2254</span>  stateVecReal[indexLo] = betaReal*stateRealUp - betaImag*stateImagUp </div>
<div class="line"><a name="l02255"></a><span class="lineno"> 2255</span>  + alphaReal*stateRealLo + alphaImag*stateImagLo;</div>
<div class="line"><a name="l02256"></a><span class="lineno"> 2256</span>  stateVecImag[indexLo] = betaReal*stateImagUp + betaImag*stateRealUp </div>
<div class="line"><a name="l02257"></a><span class="lineno"> 2257</span>  + alphaReal*stateImagLo - alphaImag*stateRealLo;</div>
<div class="line"><a name="l02258"></a><span class="lineno"> 2258</span>  }</div>
<div class="line"><a name="l02259"></a><span class="lineno"> 2259</span>  } </div>
<div class="line"><a name="l02260"></a><span class="lineno"> 2260</span>  }</div>
<div class="line"><a name="l02261"></a><span class="lineno"> 2261</span>  </div>
<div class="line"><a name="l02262"></a><span class="lineno"> 2262</span> } </div>
<div class="line"><a name="l02263"></a><span class="lineno"> 2263</span>  </div>
<div class="line"><a name="l02264"></a><span class="lineno"> 2264</span> <span class="comment">/* ctrlQubitsMask is a bit mask indicating which qubits are control Qubits</span></div>
<div class="line"><a name="l02265"></a><span class="lineno"> 2265</span> <span class="comment"> * ctrlFlipMask is a bit mask indicating which control qubits should be 'flipped'</span></div>
<div class="line"><a name="l02266"></a><span class="lineno"> 2266</span> <span class="comment"> * in the condition, i.e. they should have value 0 when the unitary is applied</span></div>
<div class="line"><a name="l02267"></a><span class="lineno"> 2267</span> <span class="comment"> */</span></div>
<div class="line"><a name="l02268"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ab19f28e68330da68ea3caa2bdef32da9"> 2268</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ab19f28e68330da68ea3caa2bdef32da9">statevec_multiControlledUnitaryLocal</a>(</div>
<div class="line"><a name="l02269"></a><span class="lineno"> 2269</span>  <a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, </div>
<div class="line"><a name="l02270"></a><span class="lineno"> 2270</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ctrlQubitsMask, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ctrlFlipMask,</div>
<div class="line"><a name="l02271"></a><span class="lineno"> 2271</span>  <a class="code" href="structComplexMatrix2.html">ComplexMatrix2</a> u)</div>
<div class="line"><a name="l02272"></a><span class="lineno"> 2272</span> {</div>
<div class="line"><a name="l02273"></a><span class="lineno"> 2273</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02274"></a><span class="lineno"> 2274</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l02275"></a><span class="lineno"> 2275</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02276"></a><span class="lineno"> 2276</span>  </div>
<div class="line"><a name="l02277"></a><span class="lineno"> 2277</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02278"></a><span class="lineno"> 2278</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02279"></a><span class="lineno"> 2279</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>>>1;</div>
<div class="line"><a name="l02280"></a><span class="lineno"> 2280</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02281"></a><span class="lineno"> 2281</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02282"></a><span class="lineno"> 2282</span>  </div>
<div class="line"><a name="l02283"></a><span class="lineno"> 2283</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02284"></a><span class="lineno"> 2284</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l02285"></a><span class="lineno"> 2285</span>  sizeBlock = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02286"></a><span class="lineno"> 2286</span>  </div>
<div class="line"><a name="l02287"></a><span class="lineno"> 2287</span>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02288"></a><span class="lineno"> 2288</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l02289"></a><span class="lineno"> 2289</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l02290"></a><span class="lineno"> 2290</span>  </div>
<div class="line"><a name="l02291"></a><span class="lineno"> 2291</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02292"></a><span class="lineno"> 2292</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02293"></a><span class="lineno"> 2293</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02294"></a><span class="lineno"> 2294</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, u, ctrlQubitsMask,ctrlFlipMask, \</span></div>
<div class="line"><a name="l02295"></a><span class="lineno"> 2295</span> <span class="preprocessor"> numTasks,chunkId,chunkSize) \</span></div>
<div class="line"><a name="l02296"></a><span class="lineno"> 2296</span> <span class="preprocessor"> private (thisTask,thisBlock, indexUp,indexLo, stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l02297"></a><span class="lineno"> 2297</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02298"></a><span class="lineno"> 2298</span>  {</div>
<div class="line"><a name="l02299"></a><span class="lineno"> 2299</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02300"></a><span class="lineno"> 2300</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02301"></a><span class="lineno"> 2301</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02302"></a><span class="lineno"> 2302</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02303"></a><span class="lineno"> 2303</span>  </div>
<div class="line"><a name="l02304"></a><span class="lineno"> 2304</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02305"></a><span class="lineno"> 2305</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02306"></a><span class="lineno"> 2306</span>  indexLo = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02307"></a><span class="lineno"> 2307</span>  </div>
<div class="line"><a name="l02308"></a><span class="lineno"> 2308</span>  </div>
<div class="line"><a name="l02309"></a><span class="lineno"> 2309</span>  <span class="comment">// take the basis index, flip the designated (XOR) 'control' bits, AND with the controls.</span></div>
<div class="line"><a name="l02310"></a><span class="lineno"> 2310</span>  <span class="comment">// if this equals the control mask, the control qubits have the desired values in the basis index</span></div>
<div class="line"><a name="l02311"></a><span class="lineno"> 2311</span>  <span class="keywordflow">if</span> (ctrlQubitsMask == (ctrlQubitsMask & ((indexUp+chunkId*chunkSize) ^ ctrlFlipMask))) {</div>
<div class="line"><a name="l02312"></a><span class="lineno"> 2312</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02313"></a><span class="lineno"> 2313</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02314"></a><span class="lineno"> 2314</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02315"></a><span class="lineno"> 2315</span>  </div>
<div class="line"><a name="l02316"></a><span class="lineno"> 2316</span>  stateRealLo = stateVecReal[indexLo];</div>
<div class="line"><a name="l02317"></a><span class="lineno"> 2317</span>  stateImagLo = stateVecImag[indexLo];</div>
<div class="line"><a name="l02318"></a><span class="lineno"> 2318</span>  </div>
<div class="line"><a name="l02319"></a><span class="lineno"> 2319</span>  <span class="comment">// state[indexUp] = u00 * state[indexUp] + u01 * state[indexLo]</span></div>
<div class="line"><a name="l02320"></a><span class="lineno"> 2320</span>  stateVecReal[indexUp] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][0]*stateRealUp - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][0]*stateImagUp </div>
<div class="line"><a name="l02321"></a><span class="lineno"> 2321</span>  + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][1]*stateRealLo - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][1]*stateImagLo;</div>
<div class="line"><a name="l02322"></a><span class="lineno"> 2322</span>  stateVecImag[indexUp] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][0]*stateImagUp + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][0]*stateRealUp </div>
<div class="line"><a name="l02323"></a><span class="lineno"> 2323</span>  + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][1]*stateImagLo + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][1]*stateRealLo;</div>
<div class="line"><a name="l02324"></a><span class="lineno"> 2324</span>  </div>
<div class="line"><a name="l02325"></a><span class="lineno"> 2325</span>  <span class="comment">// state[indexLo] = u10 * state[indexUp] + u11 * state[indexLo]</span></div>
<div class="line"><a name="l02326"></a><span class="lineno"> 2326</span>  stateVecReal[indexLo] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][0]*stateRealUp - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][0]*stateImagUp </div>
<div class="line"><a name="l02327"></a><span class="lineno"> 2327</span>  + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][1]*stateRealLo - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][1]*stateImagLo;</div>
<div class="line"><a name="l02328"></a><span class="lineno"> 2328</span>  stateVecImag[indexLo] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][0]*stateImagUp + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][0]*stateRealUp </div>
<div class="line"><a name="l02329"></a><span class="lineno"> 2329</span>  + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][1]*stateImagLo + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][1]*stateRealLo;</div>
<div class="line"><a name="l02330"></a><span class="lineno"> 2330</span>  }</div>
<div class="line"><a name="l02331"></a><span class="lineno"> 2331</span>  } </div>
<div class="line"><a name="l02332"></a><span class="lineno"> 2332</span>  }</div>
<div class="line"><a name="l02333"></a><span class="lineno"> 2333</span>  </div>
<div class="line"><a name="l02334"></a><span class="lineno"> 2334</span> }</div>
<div class="line"><a name="l02335"></a><span class="lineno"> 2335</span>  </div>
<div class="line"><a name="l02336"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a903beb4f5d8753a964ce2dc5f9096a24"> 2336</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a903beb4f5d8753a964ce2dc5f9096a24">statevec_controlledUnitaryLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> controlQubit, <span class="keywordtype">int</span> targetQubit, </div>
<div class="line"><a name="l02337"></a><span class="lineno"> 2337</span>  <a class="code" href="structComplexMatrix2.html">ComplexMatrix2</a> u)</div>
<div class="line"><a name="l02338"></a><span class="lineno"> 2338</span> {</div>
<div class="line"><a name="l02339"></a><span class="lineno"> 2339</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02340"></a><span class="lineno"> 2340</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l02341"></a><span class="lineno"> 2341</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02342"></a><span class="lineno"> 2342</span>  </div>
<div class="line"><a name="l02343"></a><span class="lineno"> 2343</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02344"></a><span class="lineno"> 2344</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02345"></a><span class="lineno"> 2345</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>>>1;</div>
<div class="line"><a name="l02346"></a><span class="lineno"> 2346</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02347"></a><span class="lineno"> 2347</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02348"></a><span class="lineno"> 2348</span>  </div>
<div class="line"><a name="l02349"></a><span class="lineno"> 2349</span>  <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02350"></a><span class="lineno"> 2350</span>  </div>
<div class="line"><a name="l02351"></a><span class="lineno"> 2351</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02352"></a><span class="lineno"> 2352</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l02353"></a><span class="lineno"> 2353</span>  sizeBlock = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02354"></a><span class="lineno"> 2354</span>  </div>
<div class="line"><a name="l02355"></a><span class="lineno"> 2355</span>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02356"></a><span class="lineno"> 2356</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l02357"></a><span class="lineno"> 2357</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l02358"></a><span class="lineno"> 2358</span>  </div>
<div class="line"><a name="l02359"></a><span class="lineno"> 2359</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02360"></a><span class="lineno"> 2360</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02361"></a><span class="lineno"> 2361</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02362"></a><span class="lineno"> 2362</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, u,numTasks,chunkId,chunkSize,controlQubit) \</span></div>
<div class="line"><a name="l02363"></a><span class="lineno"> 2363</span> <span class="preprocessor"> private (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,stateRealLo,stateImagLo,controlBit)</span></div>
<div class="line"><a name="l02364"></a><span class="lineno"> 2364</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02365"></a><span class="lineno"> 2365</span>  {</div>
<div class="line"><a name="l02366"></a><span class="lineno"> 2366</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02367"></a><span class="lineno"> 2367</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02368"></a><span class="lineno"> 2368</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02369"></a><span class="lineno"> 2369</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02370"></a><span class="lineno"> 2370</span>  </div>
<div class="line"><a name="l02371"></a><span class="lineno"> 2371</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02372"></a><span class="lineno"> 2372</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02373"></a><span class="lineno"> 2373</span>  indexLo = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02374"></a><span class="lineno"> 2374</span>  </div>
<div class="line"><a name="l02375"></a><span class="lineno"> 2375</span>  controlBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (controlQubit, indexUp+chunkId*chunkSize);</div>
<div class="line"><a name="l02376"></a><span class="lineno"> 2376</span>  <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02377"></a><span class="lineno"> 2377</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02378"></a><span class="lineno"> 2378</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02379"></a><span class="lineno"> 2379</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02380"></a><span class="lineno"> 2380</span>  </div>
<div class="line"><a name="l02381"></a><span class="lineno"> 2381</span>  stateRealLo = stateVecReal[indexLo];</div>
<div class="line"><a name="l02382"></a><span class="lineno"> 2382</span>  stateImagLo = stateVecImag[indexLo];</div>
<div class="line"><a name="l02383"></a><span class="lineno"> 2383</span>  </div>
<div class="line"><a name="l02384"></a><span class="lineno"> 2384</span>  </div>
<div class="line"><a name="l02385"></a><span class="lineno"> 2385</span>  <span class="comment">// state[indexUp] = u00 * state[indexUp] + u01 * state[indexLo]</span></div>
<div class="line"><a name="l02386"></a><span class="lineno"> 2386</span>  stateVecReal[indexUp] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][0]*stateRealUp - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][0]*stateImagUp </div>
<div class="line"><a name="l02387"></a><span class="lineno"> 2387</span>  + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][1]*stateRealLo - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][1]*stateImagLo;</div>
<div class="line"><a name="l02388"></a><span class="lineno"> 2388</span>  stateVecImag[indexUp] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][0]*stateImagUp + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][0]*stateRealUp </div>
<div class="line"><a name="l02389"></a><span class="lineno"> 2389</span>  + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[0][1]*stateImagLo + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[0][1]*stateRealLo;</div>
<div class="line"><a name="l02390"></a><span class="lineno"> 2390</span>  </div>
<div class="line"><a name="l02391"></a><span class="lineno"> 2391</span>  <span class="comment">// state[indexLo] = u10 * state[indexUp] + u11 * state[indexLo]</span></div>
<div class="line"><a name="l02392"></a><span class="lineno"> 2392</span>  stateVecReal[indexLo] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][0]*stateRealUp - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][0]*stateImagUp </div>
<div class="line"><a name="l02393"></a><span class="lineno"> 2393</span>  + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][1]*stateRealLo - u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][1]*stateImagLo;</div>
<div class="line"><a name="l02394"></a><span class="lineno"> 2394</span>  stateVecImag[indexLo] = u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][0]*stateImagUp + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][0]*stateRealUp </div>
<div class="line"><a name="l02395"></a><span class="lineno"> 2395</span>  + u.<a class="code" href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">real</a>[1][1]*stateImagLo + u.<a class="code" href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">imag</a>[1][1]*stateRealLo;</div>
<div class="line"><a name="l02396"></a><span class="lineno"> 2396</span>  }</div>
<div class="line"><a name="l02397"></a><span class="lineno"> 2397</span>  } </div>
<div class="line"><a name="l02398"></a><span class="lineno"> 2398</span>  }</div>
<div class="line"><a name="l02399"></a><span class="lineno"> 2399</span>  </div>
<div class="line"><a name="l02400"></a><span class="lineno"> 2400</span> }</div>
<div class="line"><a name="l02401"></a><span class="lineno"> 2401</span>  </div>
<div class="line"><a name="l02414"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a071baf8b6951d2a7d6529394b6f39364"> 2414</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a071baf8b6951d2a7d6529394b6f39364">statevec_controlledCompactUnitaryDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> controlQubit,</div>
<div class="line"><a name="l02415"></a><span class="lineno"> 2415</span>  <a class="code" href="structComplex.html">Complex</a> rot1, <a class="code" href="structComplex.html">Complex</a> rot2,</div>
<div class="line"><a name="l02416"></a><span class="lineno"> 2416</span>  ComplexArray stateVecUp,</div>
<div class="line"><a name="l02417"></a><span class="lineno"> 2417</span>  ComplexArray stateVecLo,</div>
<div class="line"><a name="l02418"></a><span class="lineno"> 2418</span>  ComplexArray stateVecOut)</div>
<div class="line"><a name="l02419"></a><span class="lineno"> 2419</span> {</div>
<div class="line"><a name="l02420"></a><span class="lineno"> 2420</span>  </div>
<div class="line"><a name="l02421"></a><span class="lineno"> 2421</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02422"></a><span class="lineno"> 2422</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02423"></a><span class="lineno"> 2423</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02424"></a><span class="lineno"> 2424</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02425"></a><span class="lineno"> 2425</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02426"></a><span class="lineno"> 2426</span>  </div>
<div class="line"><a name="l02427"></a><span class="lineno"> 2427</span>  <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02428"></a><span class="lineno"> 2428</span>  </div>
<div class="line"><a name="l02429"></a><span class="lineno"> 2429</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot1Real=rot1.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot1Imag=rot1.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02430"></a><span class="lineno"> 2430</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot2Real=rot2.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot2Imag=rot2.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02431"></a><span class="lineno"> 2431</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealUp=stateVecUp.real, *stateVecImagUp=stateVecUp.imag;</div>
<div class="line"><a name="l02432"></a><span class="lineno"> 2432</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealLo=stateVecLo.real, *stateVecImagLo=stateVecLo.imag;</div>
<div class="line"><a name="l02433"></a><span class="lineno"> 2433</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02434"></a><span class="lineno"> 2434</span>  </div>
<div class="line"><a name="l02435"></a><span class="lineno"> 2435</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02436"></a><span class="lineno"> 2436</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02437"></a><span class="lineno"> 2437</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02438"></a><span class="lineno"> 2438</span> <span class="preprocessor"> shared (stateVecRealUp,stateVecImagUp,stateVecRealLo,stateVecImagLo,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02439"></a><span class="lineno"> 2439</span> <span class="preprocessor"> rot1Real,rot1Imag, rot2Real,rot2Imag,numTasks,chunkId,chunkSize,controlQubit) \</span></div>
<div class="line"><a name="l02440"></a><span class="lineno"> 2440</span> <span class="preprocessor"> private (thisTask,stateRealUp,stateImagUp,stateRealLo,stateImagLo,controlBit)</span></div>
<div class="line"><a name="l02441"></a><span class="lineno"> 2441</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02442"></a><span class="lineno"> 2442</span>  {</div>
<div class="line"><a name="l02443"></a><span class="lineno"> 2443</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02444"></a><span class="lineno"> 2444</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02445"></a><span class="lineno"> 2445</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02446"></a><span class="lineno"> 2446</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02447"></a><span class="lineno"> 2447</span>  controlBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (controlQubit, thisTask+chunkId*chunkSize);</div>
<div class="line"><a name="l02448"></a><span class="lineno"> 2448</span>  <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02449"></a><span class="lineno"> 2449</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02450"></a><span class="lineno"> 2450</span>  stateRealUp = stateVecRealUp[thisTask];</div>
<div class="line"><a name="l02451"></a><span class="lineno"> 2451</span>  stateImagUp = stateVecImagUp[thisTask];</div>
<div class="line"><a name="l02452"></a><span class="lineno"> 2452</span>  </div>
<div class="line"><a name="l02453"></a><span class="lineno"> 2453</span>  stateRealLo = stateVecRealLo[thisTask];</div>
<div class="line"><a name="l02454"></a><span class="lineno"> 2454</span>  stateImagLo = stateVecImagLo[thisTask];</div>
<div class="line"><a name="l02455"></a><span class="lineno"> 2455</span>  </div>
<div class="line"><a name="l02456"></a><span class="lineno"> 2456</span>  <span class="comment">// state[indexUp] = alpha * state[indexUp] - conj(beta) * state[indexLo]</span></div>
<div class="line"><a name="l02457"></a><span class="lineno"> 2457</span>  stateVecRealOut[thisTask] = rot1Real*stateRealUp - rot1Imag*stateImagUp + rot2Real*stateRealLo + rot2Imag*stateImagLo;</div>
<div class="line"><a name="l02458"></a><span class="lineno"> 2458</span>  stateVecImagOut[thisTask] = rot1Real*stateImagUp + rot1Imag*stateRealUp + rot2Real*stateImagLo - rot2Imag*stateRealLo;</div>
<div class="line"><a name="l02459"></a><span class="lineno"> 2459</span>  }</div>
<div class="line"><a name="l02460"></a><span class="lineno"> 2460</span>  }</div>
<div class="line"><a name="l02461"></a><span class="lineno"> 2461</span>  }</div>
<div class="line"><a name="l02462"></a><span class="lineno"> 2462</span> }</div>
<div class="line"><a name="l02463"></a><span class="lineno"> 2463</span>  </div>
<div class="line"><a name="l02476"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a57368529b2a7e76fec423cbfe9980b22"> 2476</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a57368529b2a7e76fec423cbfe9980b22">statevec_controlledUnitaryDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> controlQubit,</div>
<div class="line"><a name="l02477"></a><span class="lineno"> 2477</span>  <a class="code" href="structComplex.html">Complex</a> rot1, <a class="code" href="structComplex.html">Complex</a> rot2,</div>
<div class="line"><a name="l02478"></a><span class="lineno"> 2478</span>  ComplexArray stateVecUp,</div>
<div class="line"><a name="l02479"></a><span class="lineno"> 2479</span>  ComplexArray stateVecLo,</div>
<div class="line"><a name="l02480"></a><span class="lineno"> 2480</span>  ComplexArray stateVecOut)</div>
<div class="line"><a name="l02481"></a><span class="lineno"> 2481</span> {</div>
<div class="line"><a name="l02482"></a><span class="lineno"> 2482</span>  </div>
<div class="line"><a name="l02483"></a><span class="lineno"> 2483</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02484"></a><span class="lineno"> 2484</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02485"></a><span class="lineno"> 2485</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02486"></a><span class="lineno"> 2486</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02487"></a><span class="lineno"> 2487</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02488"></a><span class="lineno"> 2488</span>  </div>
<div class="line"><a name="l02489"></a><span class="lineno"> 2489</span>  <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02490"></a><span class="lineno"> 2490</span>  </div>
<div class="line"><a name="l02491"></a><span class="lineno"> 2491</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot1Real=rot1.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot1Imag=rot1.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02492"></a><span class="lineno"> 2492</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot2Real=rot2.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot2Imag=rot2.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02493"></a><span class="lineno"> 2493</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealUp=stateVecUp.real, *stateVecImagUp=stateVecUp.imag;</div>
<div class="line"><a name="l02494"></a><span class="lineno"> 2494</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealLo=stateVecLo.real, *stateVecImagLo=stateVecLo.imag;</div>
<div class="line"><a name="l02495"></a><span class="lineno"> 2495</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02496"></a><span class="lineno"> 2496</span>  </div>
<div class="line"><a name="l02497"></a><span class="lineno"> 2497</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02498"></a><span class="lineno"> 2498</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02499"></a><span class="lineno"> 2499</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02500"></a><span class="lineno"> 2500</span> <span class="preprocessor"> shared (stateVecRealUp,stateVecImagUp,stateVecRealLo,stateVecImagLo,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02501"></a><span class="lineno"> 2501</span> <span class="preprocessor"> rot1Real,rot1Imag, rot2Real,rot2Imag, numTasks,chunkId,chunkSize,controlQubit) \</span></div>
<div class="line"><a name="l02502"></a><span class="lineno"> 2502</span> <span class="preprocessor"> private (thisTask,stateRealUp,stateImagUp,stateRealLo,stateImagLo,controlBit)</span></div>
<div class="line"><a name="l02503"></a><span class="lineno"> 2503</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02504"></a><span class="lineno"> 2504</span>  {</div>
<div class="line"><a name="l02505"></a><span class="lineno"> 2505</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02506"></a><span class="lineno"> 2506</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02507"></a><span class="lineno"> 2507</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02508"></a><span class="lineno"> 2508</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02509"></a><span class="lineno"> 2509</span>  controlBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (controlQubit, thisTask+chunkId*chunkSize);</div>
<div class="line"><a name="l02510"></a><span class="lineno"> 2510</span>  <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02511"></a><span class="lineno"> 2511</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02512"></a><span class="lineno"> 2512</span>  stateRealUp = stateVecRealUp[thisTask];</div>
<div class="line"><a name="l02513"></a><span class="lineno"> 2513</span>  stateImagUp = stateVecImagUp[thisTask];</div>
<div class="line"><a name="l02514"></a><span class="lineno"> 2514</span>  </div>
<div class="line"><a name="l02515"></a><span class="lineno"> 2515</span>  stateRealLo = stateVecRealLo[thisTask];</div>
<div class="line"><a name="l02516"></a><span class="lineno"> 2516</span>  stateImagLo = stateVecImagLo[thisTask];</div>
<div class="line"><a name="l02517"></a><span class="lineno"> 2517</span>  </div>
<div class="line"><a name="l02518"></a><span class="lineno"> 2518</span>  stateVecRealOut[thisTask] = rot1Real*stateRealUp - rot1Imag*stateImagUp </div>
<div class="line"><a name="l02519"></a><span class="lineno"> 2519</span>  + rot2Real*stateRealLo - rot2Imag*stateImagLo;</div>
<div class="line"><a name="l02520"></a><span class="lineno"> 2520</span>  stateVecImagOut[thisTask] = rot1Real*stateImagUp + rot1Imag*stateRealUp </div>
<div class="line"><a name="l02521"></a><span class="lineno"> 2521</span>  + rot2Real*stateImagLo + rot2Imag*stateRealLo;</div>
<div class="line"><a name="l02522"></a><span class="lineno"> 2522</span>  }</div>
<div class="line"><a name="l02523"></a><span class="lineno"> 2523</span>  }</div>
<div class="line"><a name="l02524"></a><span class="lineno"> 2524</span>  }</div>
<div class="line"><a name="l02525"></a><span class="lineno"> 2525</span> }</div>
<div class="line"><a name="l02526"></a><span class="lineno"> 2526</span>  </div>
<div class="line"><a name="l02542"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ab58fe4be895283c2c4eb86ec9af5682e"> 2542</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ab58fe4be895283c2c4eb86ec9af5682e">statevec_multiControlledUnitaryDistributed</a> (</div>
<div class="line"><a name="l02543"></a><span class="lineno"> 2543</span>  <a class="code" href="structQureg.html">Qureg</a> qureg, </div>
<div class="line"><a name="l02544"></a><span class="lineno"> 2544</span>  <span class="keywordtype">int</span> targetQubit, </div>
<div class="line"><a name="l02545"></a><span class="lineno"> 2545</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ctrlQubitsMask, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ctrlFlipMask,</div>
<div class="line"><a name="l02546"></a><span class="lineno"> 2546</span>  <a class="code" href="structComplex.html">Complex</a> rot1, <a class="code" href="structComplex.html">Complex</a> rot2,</div>
<div class="line"><a name="l02547"></a><span class="lineno"> 2547</span>  ComplexArray stateVecUp,</div>
<div class="line"><a name="l02548"></a><span class="lineno"> 2548</span>  ComplexArray stateVecLo,</div>
<div class="line"><a name="l02549"></a><span class="lineno"> 2549</span>  ComplexArray stateVecOut)</div>
<div class="line"><a name="l02550"></a><span class="lineno"> 2550</span> {</div>
<div class="line"><a name="l02551"></a><span class="lineno"> 2551</span>  </div>
<div class="line"><a name="l02552"></a><span class="lineno"> 2552</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02553"></a><span class="lineno"> 2553</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02554"></a><span class="lineno"> 2554</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02555"></a><span class="lineno"> 2555</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02556"></a><span class="lineno"> 2556</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02557"></a><span class="lineno"> 2557</span>  </div>
<div class="line"><a name="l02558"></a><span class="lineno"> 2558</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot1Real=rot1.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot1Imag=rot1.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02559"></a><span class="lineno"> 2559</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rot2Real=rot2.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>, rot2Imag=rot2.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l02560"></a><span class="lineno"> 2560</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealUp=stateVecUp.real, *stateVecImagUp=stateVecUp.imag;</div>
<div class="line"><a name="l02561"></a><span class="lineno"> 2561</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealLo=stateVecLo.real, *stateVecImagLo=stateVecLo.imag;</div>
<div class="line"><a name="l02562"></a><span class="lineno"> 2562</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02563"></a><span class="lineno"> 2563</span>  </div>
<div class="line"><a name="l02564"></a><span class="lineno"> 2564</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02565"></a><span class="lineno"> 2565</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02566"></a><span class="lineno"> 2566</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02567"></a><span class="lineno"> 2567</span> <span class="preprocessor"> shared (stateVecRealUp,stateVecImagUp,stateVecRealLo,stateVecImagLo,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02568"></a><span class="lineno"> 2568</span> <span class="preprocessor"> rot1Real,rot1Imag, rot2Real,rot2Imag, ctrlQubitsMask,ctrlFlipMask, numTasks,chunkId,chunkSize) \</span></div>
<div class="line"><a name="l02569"></a><span class="lineno"> 2569</span> <span class="preprocessor"> private (thisTask,stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l02570"></a><span class="lineno"> 2570</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02571"></a><span class="lineno"> 2571</span>  {</div>
<div class="line"><a name="l02572"></a><span class="lineno"> 2572</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02573"></a><span class="lineno"> 2573</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02574"></a><span class="lineno"> 2574</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02575"></a><span class="lineno"> 2575</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02576"></a><span class="lineno"> 2576</span>  <span class="keywordflow">if</span> (ctrlQubitsMask == (ctrlQubitsMask & ((thisTask+chunkId*chunkSize) ^ ctrlFlipMask))) {</div>
<div class="line"><a name="l02577"></a><span class="lineno"> 2577</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02578"></a><span class="lineno"> 2578</span>  stateRealUp = stateVecRealUp[thisTask];</div>
<div class="line"><a name="l02579"></a><span class="lineno"> 2579</span>  stateImagUp = stateVecImagUp[thisTask];</div>
<div class="line"><a name="l02580"></a><span class="lineno"> 2580</span>  </div>
<div class="line"><a name="l02581"></a><span class="lineno"> 2581</span>  stateRealLo = stateVecRealLo[thisTask];</div>
<div class="line"><a name="l02582"></a><span class="lineno"> 2582</span>  stateImagLo = stateVecImagLo[thisTask];</div>
<div class="line"><a name="l02583"></a><span class="lineno"> 2583</span>  </div>
<div class="line"><a name="l02584"></a><span class="lineno"> 2584</span>  stateVecRealOut[thisTask] = rot1Real*stateRealUp - rot1Imag*stateImagUp </div>
<div class="line"><a name="l02585"></a><span class="lineno"> 2585</span>  + rot2Real*stateRealLo - rot2Imag*stateImagLo;</div>
<div class="line"><a name="l02586"></a><span class="lineno"> 2586</span>  stateVecImagOut[thisTask] = rot1Real*stateImagUp + rot1Imag*stateRealUp </div>
<div class="line"><a name="l02587"></a><span class="lineno"> 2587</span>  + rot2Real*stateImagLo + rot2Imag*stateRealLo;</div>
<div class="line"><a name="l02588"></a><span class="lineno"> 2588</span>  }</div>
<div class="line"><a name="l02589"></a><span class="lineno"> 2589</span>  }</div>
<div class="line"><a name="l02590"></a><span class="lineno"> 2590</span>  }</div>
<div class="line"><a name="l02591"></a><span class="lineno"> 2591</span> }</div>
<div class="line"><a name="l02592"></a><span class="lineno"> 2592</span>  </div>
<div class="line"><a name="l02593"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#aa987d1e0ba97da2ca540194356dd62de"> 2593</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#aa987d1e0ba97da2ca540194356dd62de">statevec_pauliXLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit)</div>
<div class="line"><a name="l02594"></a><span class="lineno"> 2594</span> {</div>
<div class="line"><a name="l02595"></a><span class="lineno"> 2595</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02596"></a><span class="lineno"> 2596</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l02597"></a><span class="lineno"> 2597</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02598"></a><span class="lineno"> 2598</span>  </div>
<div class="line"><a name="l02599"></a><span class="lineno"> 2599</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateImagUp;</div>
<div class="line"><a name="l02600"></a><span class="lineno"> 2600</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02601"></a><span class="lineno"> 2601</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>>>1;</div>
<div class="line"><a name="l02602"></a><span class="lineno"> 2602</span>  </div>
<div class="line"><a name="l02603"></a><span class="lineno"> 2603</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02604"></a><span class="lineno"> 2604</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l02605"></a><span class="lineno"> 2605</span>  sizeBlock = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02606"></a><span class="lineno"> 2606</span>  </div>
<div class="line"><a name="l02607"></a><span class="lineno"> 2607</span>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02608"></a><span class="lineno"> 2608</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l02609"></a><span class="lineno"> 2609</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l02610"></a><span class="lineno"> 2610</span>  </div>
<div class="line"><a name="l02611"></a><span class="lineno"> 2611</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02612"></a><span class="lineno"> 2612</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02613"></a><span class="lineno"> 2613</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02614"></a><span class="lineno"> 2614</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, numTasks) \</span></div>
<div class="line"><a name="l02615"></a><span class="lineno"> 2615</span> <span class="preprocessor"> private (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp)</span></div>
<div class="line"><a name="l02616"></a><span class="lineno"> 2616</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02617"></a><span class="lineno"> 2617</span>  {</div>
<div class="line"><a name="l02618"></a><span class="lineno"> 2618</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02619"></a><span class="lineno"> 2619</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02620"></a><span class="lineno"> 2620</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02621"></a><span class="lineno"> 2621</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02622"></a><span class="lineno"> 2622</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02623"></a><span class="lineno"> 2623</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02624"></a><span class="lineno"> 2624</span>  indexLo = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02625"></a><span class="lineno"> 2625</span>  </div>
<div class="line"><a name="l02626"></a><span class="lineno"> 2626</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02627"></a><span class="lineno"> 2627</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02628"></a><span class="lineno"> 2628</span>  </div>
<div class="line"><a name="l02629"></a><span class="lineno"> 2629</span>  stateVecReal[indexUp] = stateVecReal[indexLo];</div>
<div class="line"><a name="l02630"></a><span class="lineno"> 2630</span>  stateVecImag[indexUp] = stateVecImag[indexLo];</div>
<div class="line"><a name="l02631"></a><span class="lineno"> 2631</span>  </div>
<div class="line"><a name="l02632"></a><span class="lineno"> 2632</span>  stateVecReal[indexLo] = stateRealUp;</div>
<div class="line"><a name="l02633"></a><span class="lineno"> 2633</span>  stateVecImag[indexLo] = stateImagUp;</div>
<div class="line"><a name="l02634"></a><span class="lineno"> 2634</span>  } </div>
<div class="line"><a name="l02635"></a><span class="lineno"> 2635</span>  }</div>
<div class="line"><a name="l02636"></a><span class="lineno"> 2636</span>  </div>
<div class="line"><a name="l02637"></a><span class="lineno"> 2637</span> }</div>
<div class="line"><a name="l02638"></a><span class="lineno"> 2638</span>  </div>
<div class="line"><a name="l02651"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a464efbd1d7ca5a7b25c83ada001955c2"> 2651</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a464efbd1d7ca5a7b25c83ada001955c2">statevec_pauliXDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg,</div>
<div class="line"><a name="l02652"></a><span class="lineno"> 2652</span>  ComplexArray stateVecIn,</div>
<div class="line"><a name="l02653"></a><span class="lineno"> 2653</span>  ComplexArray stateVecOut)</div>
<div class="line"><a name="l02654"></a><span class="lineno"> 2654</span> {</div>
<div class="line"><a name="l02655"></a><span class="lineno"> 2655</span>  </div>
<div class="line"><a name="l02656"></a><span class="lineno"> 2656</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02657"></a><span class="lineno"> 2657</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02658"></a><span class="lineno"> 2658</span>  </div>
<div class="line"><a name="l02659"></a><span class="lineno"> 2659</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealIn=stateVecIn.real, *stateVecImagIn=stateVecIn.imag;</div>
<div class="line"><a name="l02660"></a><span class="lineno"> 2660</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02661"></a><span class="lineno"> 2661</span>  </div>
<div class="line"><a name="l02662"></a><span class="lineno"> 2662</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02663"></a><span class="lineno"> 2663</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02664"></a><span class="lineno"> 2664</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02665"></a><span class="lineno"> 2665</span> <span class="preprocessor"> shared (stateVecRealIn,stateVecImagIn,stateVecRealOut,stateVecImagOut,numTasks) \</span></div>
<div class="line"><a name="l02666"></a><span class="lineno"> 2666</span> <span class="preprocessor"> private (thisTask)</span></div>
<div class="line"><a name="l02667"></a><span class="lineno"> 2667</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02668"></a><span class="lineno"> 2668</span>  {</div>
<div class="line"><a name="l02669"></a><span class="lineno"> 2669</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02670"></a><span class="lineno"> 2670</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02671"></a><span class="lineno"> 2671</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02672"></a><span class="lineno"> 2672</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02673"></a><span class="lineno"> 2673</span>  stateVecRealOut[thisTask] = stateVecRealIn[thisTask];</div>
<div class="line"><a name="l02674"></a><span class="lineno"> 2674</span>  stateVecImagOut[thisTask] = stateVecImagIn[thisTask];</div>
<div class="line"><a name="l02675"></a><span class="lineno"> 2675</span>  }</div>
<div class="line"><a name="l02676"></a><span class="lineno"> 2676</span>  }</div>
<div class="line"><a name="l02677"></a><span class="lineno"> 2677</span> } </div>
<div class="line"><a name="l02678"></a><span class="lineno"> 2678</span>  </div>
<div class="line"><a name="l02679"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ace1482ef82b83e7f926634a67b322fc4"> 2679</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ace1482ef82b83e7f926634a67b322fc4">statevec_controlledNotLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> controlQubit, <span class="keywordtype">int</span> targetQubit)</div>
<div class="line"><a name="l02680"></a><span class="lineno"> 2680</span> {</div>
<div class="line"><a name="l02681"></a><span class="lineno"> 2681</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02682"></a><span class="lineno"> 2682</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l02683"></a><span class="lineno"> 2683</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02684"></a><span class="lineno"> 2684</span>  </div>
<div class="line"><a name="l02685"></a><span class="lineno"> 2685</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateImagUp;</div>
<div class="line"><a name="l02686"></a><span class="lineno"> 2686</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02687"></a><span class="lineno"> 2687</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>>>1;</div>
<div class="line"><a name="l02688"></a><span class="lineno"> 2688</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02689"></a><span class="lineno"> 2689</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02690"></a><span class="lineno"> 2690</span>  </div>
<div class="line"><a name="l02691"></a><span class="lineno"> 2691</span>  <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02692"></a><span class="lineno"> 2692</span>  </div>
<div class="line"><a name="l02693"></a><span class="lineno"> 2693</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02694"></a><span class="lineno"> 2694</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l02695"></a><span class="lineno"> 2695</span>  sizeBlock = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02696"></a><span class="lineno"> 2696</span>  </div>
<div class="line"><a name="l02697"></a><span class="lineno"> 2697</span>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02698"></a><span class="lineno"> 2698</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l02699"></a><span class="lineno"> 2699</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l02700"></a><span class="lineno"> 2700</span>  </div>
<div class="line"><a name="l02701"></a><span class="lineno"> 2701</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02702"></a><span class="lineno"> 2702</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02703"></a><span class="lineno"> 2703</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02704"></a><span class="lineno"> 2704</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag,numTasks,chunkId,chunkSize,controlQubit) \</span></div>
<div class="line"><a name="l02705"></a><span class="lineno"> 2705</span> <span class="preprocessor"> private (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,controlBit)</span></div>
<div class="line"><a name="l02706"></a><span class="lineno"> 2706</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02707"></a><span class="lineno"> 2707</span>  {</div>
<div class="line"><a name="l02708"></a><span class="lineno"> 2708</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02709"></a><span class="lineno"> 2709</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02710"></a><span class="lineno"> 2710</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02711"></a><span class="lineno"> 2711</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02712"></a><span class="lineno"> 2712</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02713"></a><span class="lineno"> 2713</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02714"></a><span class="lineno"> 2714</span>  indexLo = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02715"></a><span class="lineno"> 2715</span>  </div>
<div class="line"><a name="l02716"></a><span class="lineno"> 2716</span>  controlBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(controlQubit, indexUp+chunkId*chunkSize);</div>
<div class="line"><a name="l02717"></a><span class="lineno"> 2717</span>  <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02718"></a><span class="lineno"> 2718</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02719"></a><span class="lineno"> 2719</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02720"></a><span class="lineno"> 2720</span>  </div>
<div class="line"><a name="l02721"></a><span class="lineno"> 2721</span>  stateVecReal[indexUp] = stateVecReal[indexLo];</div>
<div class="line"><a name="l02722"></a><span class="lineno"> 2722</span>  stateVecImag[indexUp] = stateVecImag[indexLo];</div>
<div class="line"><a name="l02723"></a><span class="lineno"> 2723</span>  </div>
<div class="line"><a name="l02724"></a><span class="lineno"> 2724</span>  stateVecReal[indexLo] = stateRealUp;</div>
<div class="line"><a name="l02725"></a><span class="lineno"> 2725</span>  stateVecImag[indexLo] = stateImagUp;</div>
<div class="line"><a name="l02726"></a><span class="lineno"> 2726</span>  }</div>
<div class="line"><a name="l02727"></a><span class="lineno"> 2727</span>  } </div>
<div class="line"><a name="l02728"></a><span class="lineno"> 2728</span>  }</div>
<div class="line"><a name="l02729"></a><span class="lineno"> 2729</span> }</div>
<div class="line"><a name="l02730"></a><span class="lineno"> 2730</span>  </div>
<div class="line"><a name="l02742"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a393da4c4bc582a757ca8406d8501aca0"> 2742</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a393da4c4bc582a757ca8406d8501aca0">statevec_controlledNotDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> controlQubit,</div>
<div class="line"><a name="l02743"></a><span class="lineno"> 2743</span>  ComplexArray stateVecIn,</div>
<div class="line"><a name="l02744"></a><span class="lineno"> 2744</span>  ComplexArray stateVecOut)</div>
<div class="line"><a name="l02745"></a><span class="lineno"> 2745</span> {</div>
<div class="line"><a name="l02746"></a><span class="lineno"> 2746</span>  </div>
<div class="line"><a name="l02747"></a><span class="lineno"> 2747</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02748"></a><span class="lineno"> 2748</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02749"></a><span class="lineno"> 2749</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02750"></a><span class="lineno"> 2750</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02751"></a><span class="lineno"> 2751</span>  </div>
<div class="line"><a name="l02752"></a><span class="lineno"> 2752</span>  <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02753"></a><span class="lineno"> 2753</span>  </div>
<div class="line"><a name="l02754"></a><span class="lineno"> 2754</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealIn=stateVecIn.real, *stateVecImagIn=stateVecIn.imag;</div>
<div class="line"><a name="l02755"></a><span class="lineno"> 2755</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02756"></a><span class="lineno"> 2756</span>  </div>
<div class="line"><a name="l02757"></a><span class="lineno"> 2757</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02758"></a><span class="lineno"> 2758</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02759"></a><span class="lineno"> 2759</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02760"></a><span class="lineno"> 2760</span> <span class="preprocessor"> shared (stateVecRealIn,stateVecImagIn,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02761"></a><span class="lineno"> 2761</span> <span class="preprocessor"> numTasks,chunkId,chunkSize,controlQubit) \</span></div>
<div class="line"><a name="l02762"></a><span class="lineno"> 2762</span> <span class="preprocessor"> private (thisTask,controlBit)</span></div>
<div class="line"><a name="l02763"></a><span class="lineno"> 2763</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02764"></a><span class="lineno"> 2764</span>  {</div>
<div class="line"><a name="l02765"></a><span class="lineno"> 2765</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02766"></a><span class="lineno"> 2766</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02767"></a><span class="lineno"> 2767</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02768"></a><span class="lineno"> 2768</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02769"></a><span class="lineno"> 2769</span>  controlBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (controlQubit, thisTask+chunkId*chunkSize);</div>
<div class="line"><a name="l02770"></a><span class="lineno"> 2770</span>  <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02771"></a><span class="lineno"> 2771</span>  stateVecRealOut[thisTask] = stateVecRealIn[thisTask];</div>
<div class="line"><a name="l02772"></a><span class="lineno"> 2772</span>  stateVecImagOut[thisTask] = stateVecImagIn[thisTask];</div>
<div class="line"><a name="l02773"></a><span class="lineno"> 2773</span>  }</div>
<div class="line"><a name="l02774"></a><span class="lineno"> 2774</span>  }</div>
<div class="line"><a name="l02775"></a><span class="lineno"> 2775</span>  }</div>
<div class="line"><a name="l02776"></a><span class="lineno"> 2776</span> }</div>
<div class="line"><a name="l02777"></a><span class="lineno"> 2777</span>  </div>
<div class="line"><a name="l02778"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ac7d30ce54573c75b35386cd0e284adc5"> 2778</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ac7d30ce54573c75b35386cd0e284adc5">statevec_multiControlledMultiQubitNotLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> ctrlMask, <span class="keywordtype">int</span> targMask) {</div>
<div class="line"><a name="l02779"></a><span class="lineno"> 2779</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02780"></a><span class="lineno"> 2780</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateRe = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l02781"></a><span class="lineno"> 2781</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateIm = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l02782"></a><span class="lineno"> 2782</span>  </div>
<div class="line"><a name="l02783"></a><span class="lineno"> 2783</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> globalOffset = qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> * numAmps;</div>
<div class="line"><a name="l02784"></a><span class="lineno"> 2784</span>  </div>
<div class="line"><a name="l02785"></a><span class="lineno"> 2785</span>  <span class="comment">// each amplitude is swapped with a 'mate' amplitude</span></div>
<div class="line"><a name="l02786"></a><span class="lineno"> 2786</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ampInd, mateInd, globalInd;</div>
<div class="line"><a name="l02787"></a><span class="lineno"> 2787</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> mateRe, mateIm;</div>
<div class="line"><a name="l02788"></a><span class="lineno"> 2788</span>  </div>
<div class="line"><a name="l02789"></a><span class="lineno"> 2789</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02790"></a><span class="lineno"> 2790</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02791"></a><span class="lineno"> 2791</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02792"></a><span class="lineno"> 2792</span> <span class="preprocessor"> shared (stateRe,stateIm, numAmps, ctrlMask,targMask, globalOffset) \</span></div>
<div class="line"><a name="l02793"></a><span class="lineno"> 2793</span> <span class="preprocessor"> private (ampInd, mateInd,mateRe,mateIm, globalInd)</span></div>
<div class="line"><a name="l02794"></a><span class="lineno"> 2794</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02795"></a><span class="lineno"> 2795</span>  {</div>
<div class="line"><a name="l02796"></a><span class="lineno"> 2796</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02797"></a><span class="lineno"> 2797</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02798"></a><span class="lineno"> 2798</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02799"></a><span class="lineno"> 2799</span>  <span class="keywordflow">for</span> (ampInd = 0; ampInd < numAmps; ampInd++) {</div>
<div class="line"><a name="l02800"></a><span class="lineno"> 2800</span>  </div>
<div class="line"><a name="l02801"></a><span class="lineno"> 2801</span>  <span class="comment">/* it may be a premature optimisation to remove the seemingly wasteful continues below,</span></div>
<div class="line"><a name="l02802"></a><span class="lineno"> 2802</span> <span class="comment"> * because the maximum skipped amplitudes is 1/2 that stored in the node </span></div>
<div class="line"><a name="l02803"></a><span class="lineno"> 2803</span> <span class="comment"> * (e.g. since this function is not called if all amps should be skipped via controls),</span></div>
<div class="line"><a name="l02804"></a><span class="lineno"> 2804</span> <span class="comment"> * and since we're memory-bandwidth bottlenecked. </span></div>
<div class="line"><a name="l02805"></a><span class="lineno"> 2805</span> <span class="comment"> */</span></div>
<div class="line"><a name="l02806"></a><span class="lineno"> 2806</span>  </div>
<div class="line"><a name="l02807"></a><span class="lineno"> 2807</span>  <span class="comment">// although amps are local, we may still be running in distributed mode, </span></div>
<div class="line"><a name="l02808"></a><span class="lineno"> 2808</span>  <span class="comment">// and hence need to consult the global index to determine the values of </span></div>
<div class="line"><a name="l02809"></a><span class="lineno"> 2809</span>  <span class="comment">// the control qubits</span></div>
<div class="line"><a name="l02810"></a><span class="lineno"> 2810</span>  globalInd = ampInd + globalOffset;</div>
<div class="line"><a name="l02811"></a><span class="lineno"> 2811</span>  </div>
<div class="line"><a name="l02812"></a><span class="lineno"> 2812</span>  <span class="comment">// modify amplitude only if control qubits are 1 for this state</span></div>
<div class="line"><a name="l02813"></a><span class="lineno"> 2813</span>  <span class="keywordflow">if</span> (ctrlMask && ((ctrlMask & globalInd) != ctrlMask))</div>
<div class="line"><a name="l02814"></a><span class="lineno"> 2814</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l02815"></a><span class="lineno"> 2815</span>  </div>
<div class="line"><a name="l02816"></a><span class="lineno"> 2816</span>  mateInd = ampInd ^ targMask;</div>
<div class="line"><a name="l02817"></a><span class="lineno"> 2817</span>  </div>
<div class="line"><a name="l02818"></a><span class="lineno"> 2818</span>  <span class="comment">// if the mate is behind, it was already processed</span></div>
<div class="line"><a name="l02819"></a><span class="lineno"> 2819</span>  <span class="keywordflow">if</span> (mateInd < ampInd)</div>
<div class="line"><a name="l02820"></a><span class="lineno"> 2820</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l02821"></a><span class="lineno"> 2821</span>  </div>
<div class="line"><a name="l02822"></a><span class="lineno"> 2822</span>  mateRe = stateRe[mateInd];</div>
<div class="line"><a name="l02823"></a><span class="lineno"> 2823</span>  mateIm = stateIm[mateInd];</div>
<div class="line"><a name="l02824"></a><span class="lineno"> 2824</span>  </div>
<div class="line"><a name="l02825"></a><span class="lineno"> 2825</span>  <span class="comment">// swap amp with mate</span></div>
<div class="line"><a name="l02826"></a><span class="lineno"> 2826</span>  stateRe[mateInd] = stateRe[ampInd];</div>
<div class="line"><a name="l02827"></a><span class="lineno"> 2827</span>  stateIm[mateInd] = stateIm[ampInd];</div>
<div class="line"><a name="l02828"></a><span class="lineno"> 2828</span>  stateRe[ampInd] = mateRe;</div>
<div class="line"><a name="l02829"></a><span class="lineno"> 2829</span>  stateIm[ampInd] = mateIm;</div>
<div class="line"><a name="l02830"></a><span class="lineno"> 2830</span>  }</div>
<div class="line"><a name="l02831"></a><span class="lineno"> 2831</span>  }</div>
<div class="line"><a name="l02832"></a><span class="lineno"> 2832</span> }</div>
<div class="line"><a name="l02833"></a><span class="lineno"> 2833</span>  </div>
<div class="line"><a name="l02834"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ae6f0c9ed9261afbab4712e056a88763d"> 2834</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ae6f0c9ed9261afbab4712e056a88763d">statevec_multiControlledMultiQubitNotDistributed</a>(</div>
<div class="line"><a name="l02835"></a><span class="lineno"> 2835</span>  <a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> ctrlMask, <span class="keywordtype">int</span> targMask,</div>
<div class="line"><a name="l02836"></a><span class="lineno"> 2836</span>  ComplexArray stateVecIn,</div>
<div class="line"><a name="l02837"></a><span class="lineno"> 2837</span>  ComplexArray stateVecOut</div>
<div class="line"><a name="l02838"></a><span class="lineno"> 2838</span> ) {</div>
<div class="line"><a name="l02839"></a><span class="lineno"> 2839</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02840"></a><span class="lineno"> 2840</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> globalOffset = qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> * numAmps;</div>
<div class="line"><a name="l02841"></a><span class="lineno"> 2841</span>  </div>
<div class="line"><a name="l02842"></a><span class="lineno"> 2842</span>  <span class="comment">/* stateVecOut is qureg's local state-vector partition, which we modify.</span></div>
<div class="line"><a name="l02843"></a><span class="lineno"> 2843</span> <span class="comment"> * stateVecIn is the pair node's state-vector partition, in an order which </span></div>
<div class="line"><a name="l02844"></a><span class="lineno"> 2844</span> <span class="comment"> * does not necessarily correlate to stateVecOut's </span></div>
<div class="line"><a name="l02845"></a><span class="lineno"> 2845</span> <span class="comment"> */</span></div>
<div class="line"><a name="l02846"></a><span class="lineno"> 2846</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* inReal = stateVecIn.real;</div>
<div class="line"><a name="l02847"></a><span class="lineno"> 2847</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* inImag = stateVecIn.imag;</div>
<div class="line"><a name="l02848"></a><span class="lineno"> 2848</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* outReal = stateVecOut.real;</div>
<div class="line"><a name="l02849"></a><span class="lineno"> 2849</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* outImag = stateVecOut.imag;</div>
<div class="line"><a name="l02850"></a><span class="lineno"> 2850</span>  </div>
<div class="line"><a name="l02851"></a><span class="lineno"> 2851</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outInd, outIndGlobal, inInd, inIndGlobal;</div>
<div class="line"><a name="l02852"></a><span class="lineno"> 2852</span>  </div>
<div class="line"><a name="l02853"></a><span class="lineno"> 2853</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02854"></a><span class="lineno"> 2854</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02855"></a><span class="lineno"> 2855</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02856"></a><span class="lineno"> 2856</span> <span class="preprocessor"> shared (inReal,inImag,outReal,outImag, numAmps,globalOffset, ctrlMask,targMask) \</span></div>
<div class="line"><a name="l02857"></a><span class="lineno"> 2857</span> <span class="preprocessor"> private (outInd,outIndGlobal, inInd,inIndGlobal)</span></div>
<div class="line"><a name="l02858"></a><span class="lineno"> 2858</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02859"></a><span class="lineno"> 2859</span>  {</div>
<div class="line"><a name="l02860"></a><span class="lineno"> 2860</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02861"></a><span class="lineno"> 2861</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02862"></a><span class="lineno"> 2862</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02863"></a><span class="lineno"> 2863</span>  <span class="keywordflow">for</span> (outInd = 0; outInd < numAmps; outInd++) {</div>
<div class="line"><a name="l02864"></a><span class="lineno"> 2864</span>  </div>
<div class="line"><a name="l02865"></a><span class="lineno"> 2865</span>  <span class="comment">// modify amplitude only if control qubits are 1 for this state</span></div>
<div class="line"><a name="l02866"></a><span class="lineno"> 2866</span>  outIndGlobal = outInd + globalOffset;</div>
<div class="line"><a name="l02867"></a><span class="lineno"> 2867</span>  <span class="keywordflow">if</span> (ctrlMask && ((ctrlMask & outIndGlobal) != ctrlMask))</div>
<div class="line"><a name="l02868"></a><span class="lineno"> 2868</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l02869"></a><span class="lineno"> 2869</span>  <span class="comment">/* it is a premature optimisation to remove this seemingly wasteful abort above,</span></div>
<div class="line"><a name="l02870"></a><span class="lineno"> 2870</span> <span class="comment"> * because the maximum skipped amplitudes is 1/2 that stored in the node </span></div>
<div class="line"><a name="l02871"></a><span class="lineno"> 2871</span> <span class="comment"> * (since this function is not called if all amps should be skipped)</span></div>
<div class="line"><a name="l02872"></a><span class="lineno"> 2872</span> <span class="comment"> */</span></div>
<div class="line"><a name="l02873"></a><span class="lineno"> 2873</span>  </div>
<div class="line"><a name="l02874"></a><span class="lineno"> 2874</span>  <span class="comment">/* unlike statevec_controlledNotDistributed(), we cannot assume stateVecOut </span></div>
<div class="line"><a name="l02875"></a><span class="lineno"> 2875</span> <span class="comment"> * maps contiguously/parallel into stateVecIn; we must map each amplitude, bit-wise.</span></div>
<div class="line"><a name="l02876"></a><span class="lineno"> 2876</span> <span class="comment"> * However, the arithmetic doesn't necessitate knowing the rank of stateVecIn </span></div>
<div class="line"><a name="l02877"></a><span class="lineno"> 2877</span> <span class="comment"> */</span></div>
<div class="line"><a name="l02878"></a><span class="lineno"> 2878</span>  inIndGlobal = outIndGlobal ^ targMask;</div>
<div class="line"><a name="l02879"></a><span class="lineno"> 2879</span>  inInd = inIndGlobal % numAmps; <span class="comment">// = inIndGlobal - pairRank * numAmps</span></div>
<div class="line"><a name="l02880"></a><span class="lineno"> 2880</span>  </div>
<div class="line"><a name="l02881"></a><span class="lineno"> 2881</span>  outReal[outInd] = inReal[inInd];</div>
<div class="line"><a name="l02882"></a><span class="lineno"> 2882</span>  outImag[outInd] = inImag[inInd];</div>
<div class="line"><a name="l02883"></a><span class="lineno"> 2883</span>  }</div>
<div class="line"><a name="l02884"></a><span class="lineno"> 2884</span>  }</div>
<div class="line"><a name="l02885"></a><span class="lineno"> 2885</span> }</div>
<div class="line"><a name="l02886"></a><span class="lineno"> 2886</span>  </div>
<div class="line"><a name="l02887"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a45b0916c3e121837f214b64f7424e479"> 2887</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a45b0916c3e121837f214b64f7424e479">statevec_pauliYLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <span class="keywordtype">int</span> conjFac)</div>
<div class="line"><a name="l02888"></a><span class="lineno"> 2888</span> {</div>
<div class="line"><a name="l02889"></a><span class="lineno"> 2889</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02890"></a><span class="lineno"> 2890</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l02891"></a><span class="lineno"> 2891</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02892"></a><span class="lineno"> 2892</span>  </div>
<div class="line"><a name="l02893"></a><span class="lineno"> 2893</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateImagUp;</div>
<div class="line"><a name="l02894"></a><span class="lineno"> 2894</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02895"></a><span class="lineno"> 2895</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>>>1;</div>
<div class="line"><a name="l02896"></a><span class="lineno"> 2896</span>  </div>
<div class="line"><a name="l02897"></a><span class="lineno"> 2897</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02898"></a><span class="lineno"> 2898</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l02899"></a><span class="lineno"> 2899</span>  sizeBlock = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02900"></a><span class="lineno"> 2900</span>  </div>
<div class="line"><a name="l02901"></a><span class="lineno"> 2901</span>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02902"></a><span class="lineno"> 2902</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l02903"></a><span class="lineno"> 2903</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l02904"></a><span class="lineno"> 2904</span>  </div>
<div class="line"><a name="l02905"></a><span class="lineno"> 2905</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02906"></a><span class="lineno"> 2906</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02907"></a><span class="lineno"> 2907</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02908"></a><span class="lineno"> 2908</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, numTasks,conjFac) \</span></div>
<div class="line"><a name="l02909"></a><span class="lineno"> 2909</span> <span class="preprocessor"> private (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp)</span></div>
<div class="line"><a name="l02910"></a><span class="lineno"> 2910</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02911"></a><span class="lineno"> 2911</span>  {</div>
<div class="line"><a name="l02912"></a><span class="lineno"> 2912</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02913"></a><span class="lineno"> 2913</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02914"></a><span class="lineno"> 2914</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02915"></a><span class="lineno"> 2915</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02916"></a><span class="lineno"> 2916</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02917"></a><span class="lineno"> 2917</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02918"></a><span class="lineno"> 2918</span>  indexLo = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02919"></a><span class="lineno"> 2919</span>  </div>
<div class="line"><a name="l02920"></a><span class="lineno"> 2920</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02921"></a><span class="lineno"> 2921</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02922"></a><span class="lineno"> 2922</span>  </div>
<div class="line"><a name="l02923"></a><span class="lineno"> 2923</span>  stateVecReal[indexUp] = conjFac * stateVecImag[indexLo];</div>
<div class="line"><a name="l02924"></a><span class="lineno"> 2924</span>  stateVecImag[indexUp] = conjFac * -stateVecReal[indexLo];</div>
<div class="line"><a name="l02925"></a><span class="lineno"> 2925</span>  stateVecReal[indexLo] = conjFac * -stateImagUp;</div>
<div class="line"><a name="l02926"></a><span class="lineno"> 2926</span>  stateVecImag[indexLo] = conjFac * stateRealUp;</div>
<div class="line"><a name="l02927"></a><span class="lineno"> 2927</span>  } </div>
<div class="line"><a name="l02928"></a><span class="lineno"> 2928</span>  }</div>
<div class="line"><a name="l02929"></a><span class="lineno"> 2929</span> }</div>
<div class="line"><a name="l02930"></a><span class="lineno"> 2930</span>  </div>
<div class="line"><a name="l02945"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a0f562af6cb665a8a7a3f80e9449734d5"> 2945</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a0f562af6cb665a8a7a3f80e9449734d5">statevec_pauliYDistributed</a>(<a class="code" href="structQureg.html">Qureg</a> qureg,</div>
<div class="line"><a name="l02946"></a><span class="lineno"> 2946</span>  ComplexArray stateVecIn,</div>
<div class="line"><a name="l02947"></a><span class="lineno"> 2947</span>  ComplexArray stateVecOut, </div>
<div class="line"><a name="l02948"></a><span class="lineno"> 2948</span>  <span class="keywordtype">int</span> updateUpper, <span class="keywordtype">int</span> conjFac)</div>
<div class="line"><a name="l02949"></a><span class="lineno"> 2949</span> {</div>
<div class="line"><a name="l02950"></a><span class="lineno"> 2950</span>  </div>
<div class="line"><a name="l02951"></a><span class="lineno"> 2951</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02952"></a><span class="lineno"> 2952</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02953"></a><span class="lineno"> 2953</span>  </div>
<div class="line"><a name="l02954"></a><span class="lineno"> 2954</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealIn=stateVecIn.real, *stateVecImagIn=stateVecIn.imag;</div>
<div class="line"><a name="l02955"></a><span class="lineno"> 2955</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02956"></a><span class="lineno"> 2956</span>  </div>
<div class="line"><a name="l02957"></a><span class="lineno"> 2957</span>  <span class="keywordtype">int</span> realSign=1, imagSign=1;</div>
<div class="line"><a name="l02958"></a><span class="lineno"> 2958</span>  <span class="keywordflow">if</span> (updateUpper) imagSign=-1;</div>
<div class="line"><a name="l02959"></a><span class="lineno"> 2959</span>  <span class="keywordflow">else</span> realSign = -1;</div>
<div class="line"><a name="l02960"></a><span class="lineno"> 2960</span>  </div>
<div class="line"><a name="l02961"></a><span class="lineno"> 2961</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02962"></a><span class="lineno"> 2962</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02963"></a><span class="lineno"> 2963</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02964"></a><span class="lineno"> 2964</span> <span class="preprocessor"> shared (stateVecRealIn,stateVecImagIn,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02965"></a><span class="lineno"> 2965</span> <span class="preprocessor"> realSign,imagSign, numTasks,conjFac) \</span></div>
<div class="line"><a name="l02966"></a><span class="lineno"> 2966</span> <span class="preprocessor"> private (thisTask)</span></div>
<div class="line"><a name="l02967"></a><span class="lineno"> 2967</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02968"></a><span class="lineno"> 2968</span>  {</div>
<div class="line"><a name="l02969"></a><span class="lineno"> 2969</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02970"></a><span class="lineno"> 2970</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02971"></a><span class="lineno"> 2971</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02972"></a><span class="lineno"> 2972</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02973"></a><span class="lineno"> 2973</span>  stateVecRealOut[thisTask] = conjFac * realSign * stateVecImagIn[thisTask];</div>
<div class="line"><a name="l02974"></a><span class="lineno"> 2974</span>  stateVecImagOut[thisTask] = conjFac * imagSign * stateVecRealIn[thisTask];</div>
<div class="line"><a name="l02975"></a><span class="lineno"> 2975</span>  }</div>
<div class="line"><a name="l02976"></a><span class="lineno"> 2976</span>  }</div>
<div class="line"><a name="l02977"></a><span class="lineno"> 2977</span> } </div>
<div class="line"><a name="l02978"></a><span class="lineno"> 2978</span>  </div>
<div class="line"><a name="l02979"></a><span class="lineno"> 2979</span>  </div>
<div class="line"><a name="l02980"></a><span class="lineno"> 2980</span>  </div>
<div class="line"><a name="l02981"></a><span class="lineno"> 2981</span>  </div>
<div class="line"><a name="l02982"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#abc6383ac53124601e58922205b3cc484"> 2982</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a06fb16aa4af7c54d36052a14d3ad58a7">statevec_controlledPauliYLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> controlQubit, <span class="keywordtype">int</span> targetQubit, <span class="keywordtype">int</span> conjFac)</div>
<div class="line"><a name="l02983"></a><span class="lineno"> 2983</span> {</div>
<div class="line"><a name="l02984"></a><span class="lineno"> 2984</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02985"></a><span class="lineno"> 2985</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l02986"></a><span class="lineno"> 2986</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02987"></a><span class="lineno"> 2987</span>  </div>
<div class="line"><a name="l02988"></a><span class="lineno"> 2988</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateImagUp;</div>
<div class="line"><a name="l02989"></a><span class="lineno"> 2989</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02990"></a><span class="lineno"> 2990</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>>>1;</div>
<div class="line"><a name="l02991"></a><span class="lineno"> 2991</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02992"></a><span class="lineno"> 2992</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l02993"></a><span class="lineno"> 2993</span>  </div>
<div class="line"><a name="l02994"></a><span class="lineno"> 2994</span>  <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02995"></a><span class="lineno"> 2995</span>  </div>
<div class="line"><a name="l02996"></a><span class="lineno"> 2996</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02997"></a><span class="lineno"> 2997</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l02998"></a><span class="lineno"> 2998</span>  sizeBlock = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02999"></a><span class="lineno"> 2999</span>  </div>
<div class="line"><a name="l03000"></a><span class="lineno"> 3000</span>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l03001"></a><span class="lineno"> 3001</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03002"></a><span class="lineno"> 3002</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03003"></a><span class="lineno"> 3003</span>  </div>
<div class="line"><a name="l03004"></a><span class="lineno"> 3004</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03005"></a><span class="lineno"> 3005</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03006"></a><span class="lineno"> 3006</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03007"></a><span class="lineno"> 3007</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, numTasks,chunkId, \</span></div>
<div class="line"><a name="l03008"></a><span class="lineno"> 3008</span> <span class="preprocessor"> chunkSize,controlQubit,conjFac) \</span></div>
<div class="line"><a name="l03009"></a><span class="lineno"> 3009</span> <span class="preprocessor"> private (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,controlBit)</span></div>
<div class="line"><a name="l03010"></a><span class="lineno"> 3010</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03011"></a><span class="lineno"> 3011</span>  {</div>
<div class="line"><a name="l03012"></a><span class="lineno"> 3012</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03013"></a><span class="lineno"> 3013</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03014"></a><span class="lineno"> 3014</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03015"></a><span class="lineno"> 3015</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l03016"></a><span class="lineno"> 3016</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l03017"></a><span class="lineno"> 3017</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l03018"></a><span class="lineno"> 3018</span>  indexLo = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l03019"></a><span class="lineno"> 3019</span>  </div>
<div class="line"><a name="l03020"></a><span class="lineno"> 3020</span>  controlBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(controlQubit, indexUp+chunkId*chunkSize);</div>
<div class="line"><a name="l03021"></a><span class="lineno"> 3021</span>  <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l03022"></a><span class="lineno"> 3022</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l03023"></a><span class="lineno"> 3023</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l03024"></a><span class="lineno"> 3024</span>  </div>
<div class="line"><a name="l03025"></a><span class="lineno"> 3025</span>  <span class="comment">// update under +-{{0, -i}, {i, 0}}</span></div>
<div class="line"><a name="l03026"></a><span class="lineno"> 3026</span>  stateVecReal[indexUp] = conjFac * stateVecImag[indexLo];</div>
<div class="line"><a name="l03027"></a><span class="lineno"> 3027</span>  stateVecImag[indexUp] = conjFac * -stateVecReal[indexLo];</div>
<div class="line"><a name="l03028"></a><span class="lineno"> 3028</span>  stateVecReal[indexLo] = conjFac * -stateImagUp;</div>
<div class="line"><a name="l03029"></a><span class="lineno"> 3029</span>  stateVecImag[indexLo] = conjFac * stateRealUp;</div>
<div class="line"><a name="l03030"></a><span class="lineno"> 3030</span>  }</div>
<div class="line"><a name="l03031"></a><span class="lineno"> 3031</span>  } </div>
<div class="line"><a name="l03032"></a><span class="lineno"> 3032</span>  }</div>
<div class="line"><a name="l03033"></a><span class="lineno"> 3033</span> }</div>
<div class="line"><a name="l03034"></a><span class="lineno"> 3034</span>  </div>
<div class="line"><a name="l03035"></a><span class="lineno"> 3035</span>  </div>
<div class="line"><a name="l03036"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ae64f9630325b6f93c6e1e17b9918ecef"> 3036</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a790add229738945812ae2048c03d58ec">statevec_controlledPauliYDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> controlQubit,</div>
<div class="line"><a name="l03037"></a><span class="lineno"> 3037</span>  ComplexArray stateVecIn,</div>
<div class="line"><a name="l03038"></a><span class="lineno"> 3038</span>  ComplexArray stateVecOut, <span class="keywordtype">int</span> conjFac)</div>
<div class="line"><a name="l03039"></a><span class="lineno"> 3039</span> {</div>
<div class="line"><a name="l03040"></a><span class="lineno"> 3040</span>  </div>
<div class="line"><a name="l03041"></a><span class="lineno"> 3041</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l03042"></a><span class="lineno"> 3042</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03043"></a><span class="lineno"> 3043</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03044"></a><span class="lineno"> 3044</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l03045"></a><span class="lineno"> 3045</span>  </div>
<div class="line"><a name="l03046"></a><span class="lineno"> 3046</span>  <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l03047"></a><span class="lineno"> 3047</span>  </div>
<div class="line"><a name="l03048"></a><span class="lineno"> 3048</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealIn=stateVecIn.real, *stateVecImagIn=stateVecIn.imag;</div>
<div class="line"><a name="l03049"></a><span class="lineno"> 3049</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l03050"></a><span class="lineno"> 3050</span>  </div>
<div class="line"><a name="l03051"></a><span class="lineno"> 3051</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03052"></a><span class="lineno"> 3052</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03053"></a><span class="lineno"> 3053</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03054"></a><span class="lineno"> 3054</span> <span class="preprocessor"> shared (stateVecRealIn,stateVecImagIn,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l03055"></a><span class="lineno"> 3055</span> <span class="preprocessor"> numTasks,chunkId,chunkSize,controlQubit,conjFac) \</span></div>
<div class="line"><a name="l03056"></a><span class="lineno"> 3056</span> <span class="preprocessor"> private (thisTask,controlBit)</span></div>
<div class="line"><a name="l03057"></a><span class="lineno"> 3057</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03058"></a><span class="lineno"> 3058</span>  {</div>
<div class="line"><a name="l03059"></a><span class="lineno"> 3059</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03060"></a><span class="lineno"> 3060</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03061"></a><span class="lineno"> 3061</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03062"></a><span class="lineno"> 3062</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l03063"></a><span class="lineno"> 3063</span>  controlBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (controlQubit, thisTask+chunkId*chunkSize);</div>
<div class="line"><a name="l03064"></a><span class="lineno"> 3064</span>  <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l03065"></a><span class="lineno"> 3065</span>  stateVecRealOut[thisTask] = conjFac * stateVecImagIn[thisTask];</div>
<div class="line"><a name="l03066"></a><span class="lineno"> 3066</span>  stateVecImagOut[thisTask] = conjFac * -stateVecRealIn[thisTask];</div>
<div class="line"><a name="l03067"></a><span class="lineno"> 3067</span>  }</div>
<div class="line"><a name="l03068"></a><span class="lineno"> 3068</span>  }</div>
<div class="line"><a name="l03069"></a><span class="lineno"> 3069</span>  }</div>
<div class="line"><a name="l03070"></a><span class="lineno"> 3070</span> } </div>
<div class="line"><a name="l03071"></a><span class="lineno"> 3071</span>  </div>
<div class="line"><a name="l03072"></a><span class="lineno"> 3072</span>  </div>
<div class="line"><a name="l03073"></a><span class="lineno"> 3073</span>  </div>
<div class="line"><a name="l03074"></a><span class="lineno"> 3074</span>  </div>
<div class="line"><a name="l03075"></a><span class="lineno"> 3075</span>  </div>
<div class="line"><a name="l03076"></a><span class="lineno"> 3076</span>  </div>
<div class="line"><a name="l03077"></a><span class="lineno"> 3077</span>  </div>
<div class="line"><a name="l03078"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a86dbcc3db99294add9964741e19fbdab"> 3078</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a86dbcc3db99294add9964741e19fbdab">statevec_hadamardLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit)</div>
<div class="line"><a name="l03079"></a><span class="lineno"> 3079</span> {</div>
<div class="line"><a name="l03080"></a><span class="lineno"> 3080</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l03081"></a><span class="lineno"> 3081</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l03082"></a><span class="lineno"> 3082</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l03083"></a><span class="lineno"> 3083</span>  </div>
<div class="line"><a name="l03084"></a><span class="lineno"> 3084</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l03085"></a><span class="lineno"> 3085</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l03086"></a><span class="lineno"> 3086</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>>>1;</div>
<div class="line"><a name="l03087"></a><span class="lineno"> 3087</span>  </div>
<div class="line"><a name="l03088"></a><span class="lineno"> 3088</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l03089"></a><span class="lineno"> 3089</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l03090"></a><span class="lineno"> 3090</span>  sizeBlock = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l03091"></a><span class="lineno"> 3091</span>  </div>
<div class="line"><a name="l03092"></a><span class="lineno"> 3092</span>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l03093"></a><span class="lineno"> 3093</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03094"></a><span class="lineno"> 3094</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03095"></a><span class="lineno"> 3095</span>  </div>
<div class="line"><a name="l03096"></a><span class="lineno"> 3096</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> recRoot2 = 1.0/sqrt(2);</div>
<div class="line"><a name="l03097"></a><span class="lineno"> 3097</span>  </div>
<div class="line"><a name="l03098"></a><span class="lineno"> 3098</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03099"></a><span class="lineno"> 3099</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03100"></a><span class="lineno"> 3100</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03101"></a><span class="lineno"> 3101</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, recRoot2, numTasks) \</span></div>
<div class="line"><a name="l03102"></a><span class="lineno"> 3102</span> <span class="preprocessor"> private (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l03103"></a><span class="lineno"> 3103</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03104"></a><span class="lineno"> 3104</span>  {</div>
<div class="line"><a name="l03105"></a><span class="lineno"> 3105</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03106"></a><span class="lineno"> 3106</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03107"></a><span class="lineno"> 3107</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03108"></a><span class="lineno"> 3108</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l03109"></a><span class="lineno"> 3109</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l03110"></a><span class="lineno"> 3110</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l03111"></a><span class="lineno"> 3111</span>  indexLo = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l03112"></a><span class="lineno"> 3112</span>  </div>
<div class="line"><a name="l03113"></a><span class="lineno"> 3113</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l03114"></a><span class="lineno"> 3114</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l03115"></a><span class="lineno"> 3115</span>  </div>
<div class="line"><a name="l03116"></a><span class="lineno"> 3116</span>  stateRealLo = stateVecReal[indexLo];</div>
<div class="line"><a name="l03117"></a><span class="lineno"> 3117</span>  stateImagLo = stateVecImag[indexLo];</div>
<div class="line"><a name="l03118"></a><span class="lineno"> 3118</span>  </div>
<div class="line"><a name="l03119"></a><span class="lineno"> 3119</span>  stateVecReal[indexUp] = recRoot2*(stateRealUp + stateRealLo);</div>
<div class="line"><a name="l03120"></a><span class="lineno"> 3120</span>  stateVecImag[indexUp] = recRoot2*(stateImagUp + stateImagLo);</div>
<div class="line"><a name="l03121"></a><span class="lineno"> 3121</span>  </div>
<div class="line"><a name="l03122"></a><span class="lineno"> 3122</span>  stateVecReal[indexLo] = recRoot2*(stateRealUp - stateRealLo);</div>
<div class="line"><a name="l03123"></a><span class="lineno"> 3123</span>  stateVecImag[indexLo] = recRoot2*(stateImagUp - stateImagLo);</div>
<div class="line"><a name="l03124"></a><span class="lineno"> 3124</span>  } </div>
<div class="line"><a name="l03125"></a><span class="lineno"> 3125</span>  }</div>
<div class="line"><a name="l03126"></a><span class="lineno"> 3126</span> }</div>
<div class="line"><a name="l03127"></a><span class="lineno"> 3127</span>  </div>
<div class="line"><a name="l03139"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#abea6570b95fdfa102511ccd1fcb30685"> 3139</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#abea6570b95fdfa102511ccd1fcb30685">statevec_hadamardDistributed</a>(<a class="code" href="structQureg.html">Qureg</a> qureg,</div>
<div class="line"><a name="l03140"></a><span class="lineno"> 3140</span>  ComplexArray stateVecUp,</div>
<div class="line"><a name="l03141"></a><span class="lineno"> 3141</span>  ComplexArray stateVecLo,</div>
<div class="line"><a name="l03142"></a><span class="lineno"> 3142</span>  ComplexArray stateVecOut,</div>
<div class="line"><a name="l03143"></a><span class="lineno"> 3143</span>  <span class="keywordtype">int</span> updateUpper)</div>
<div class="line"><a name="l03144"></a><span class="lineno"> 3144</span> {</div>
<div class="line"><a name="l03145"></a><span class="lineno"> 3145</span>  </div>
<div class="line"><a name="l03146"></a><span class="lineno"> 3146</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l03147"></a><span class="lineno"> 3147</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l03148"></a><span class="lineno"> 3148</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03149"></a><span class="lineno"> 3149</span>  </div>
<div class="line"><a name="l03150"></a><span class="lineno"> 3150</span>  <span class="keywordtype">int</span> sign;</div>
<div class="line"><a name="l03151"></a><span class="lineno"> 3151</span>  <span class="keywordflow">if</span> (updateUpper) sign=1;</div>
<div class="line"><a name="l03152"></a><span class="lineno"> 3152</span>  <span class="keywordflow">else</span> sign=-1;</div>
<div class="line"><a name="l03153"></a><span class="lineno"> 3153</span>  </div>
<div class="line"><a name="l03154"></a><span class="lineno"> 3154</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> recRoot2 = 1.0/sqrt(2);</div>
<div class="line"><a name="l03155"></a><span class="lineno"> 3155</span>  </div>
<div class="line"><a name="l03156"></a><span class="lineno"> 3156</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealUp=stateVecUp.real, *stateVecImagUp=stateVecUp.imag;</div>
<div class="line"><a name="l03157"></a><span class="lineno"> 3157</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealLo=stateVecLo.real, *stateVecImagLo=stateVecLo.imag;</div>
<div class="line"><a name="l03158"></a><span class="lineno"> 3158</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l03159"></a><span class="lineno"> 3159</span>  </div>
<div class="line"><a name="l03160"></a><span class="lineno"> 3160</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03161"></a><span class="lineno"> 3161</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03162"></a><span class="lineno"> 3162</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03163"></a><span class="lineno"> 3163</span> <span class="preprocessor"> shared (stateVecRealUp,stateVecImagUp,stateVecRealLo,stateVecImagLo,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l03164"></a><span class="lineno"> 3164</span> <span class="preprocessor"> recRoot2, sign, numTasks) \</span></div>
<div class="line"><a name="l03165"></a><span class="lineno"> 3165</span> <span class="preprocessor"> private (thisTask,stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l03166"></a><span class="lineno"> 3166</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03167"></a><span class="lineno"> 3167</span>  {</div>
<div class="line"><a name="l03168"></a><span class="lineno"> 3168</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03169"></a><span class="lineno"> 3169</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03170"></a><span class="lineno"> 3170</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03171"></a><span class="lineno"> 3171</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l03172"></a><span class="lineno"> 3172</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l03173"></a><span class="lineno"> 3173</span>  stateRealUp = stateVecRealUp[thisTask];</div>
<div class="line"><a name="l03174"></a><span class="lineno"> 3174</span>  stateImagUp = stateVecImagUp[thisTask];</div>
<div class="line"><a name="l03175"></a><span class="lineno"> 3175</span>  </div>
<div class="line"><a name="l03176"></a><span class="lineno"> 3176</span>  stateRealLo = stateVecRealLo[thisTask];</div>
<div class="line"><a name="l03177"></a><span class="lineno"> 3177</span>  stateImagLo = stateVecImagLo[thisTask];</div>
<div class="line"><a name="l03178"></a><span class="lineno"> 3178</span>  </div>
<div class="line"><a name="l03179"></a><span class="lineno"> 3179</span>  stateVecRealOut[thisTask] = recRoot2*(stateRealUp + sign*stateRealLo);</div>
<div class="line"><a name="l03180"></a><span class="lineno"> 3180</span>  stateVecImagOut[thisTask] = recRoot2*(stateImagUp + sign*stateImagLo);</div>
<div class="line"><a name="l03181"></a><span class="lineno"> 3181</span>  }</div>
<div class="line"><a name="l03182"></a><span class="lineno"> 3182</span>  }</div>
<div class="line"><a name="l03183"></a><span class="lineno"> 3183</span> }</div>
<div class="line"><a name="l03184"></a><span class="lineno"> 3184</span>  </div>
<div class="line"><a name="l03185"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a535cc3c9962d511078691e4d64b4e272"> 3185</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a535cc3c9962d511078691e4d64b4e272">statevec_phaseShiftByTerm</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> targetQubit, <a class="code" href="structComplex.html">Complex</a> term)</div>
<div class="line"><a name="l03186"></a><span class="lineno"> 3186</span> { </div>
<div class="line"><a name="l03187"></a><span class="lineno"> 3187</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03188"></a><span class="lineno"> 3188</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l03189"></a><span class="lineno"> 3189</span>  <span class="keywordtype">int</span> targetBit;</div>
<div class="line"><a name="l03190"></a><span class="lineno"> 3190</span>  </div>
<div class="line"><a name="l03191"></a><span class="lineno"> 3191</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03192"></a><span class="lineno"> 3192</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l03193"></a><span class="lineno"> 3193</span>  </div>
<div class="line"><a name="l03194"></a><span class="lineno"> 3194</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l03195"></a><span class="lineno"> 3195</span>  stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03196"></a><span class="lineno"> 3196</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03197"></a><span class="lineno"> 3197</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03198"></a><span class="lineno"> 3198</span>  </div>
<div class="line"><a name="l03199"></a><span class="lineno"> 3199</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealLo, stateImagLo;</div>
<div class="line"><a name="l03200"></a><span class="lineno"> 3200</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> cosAngle = term.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>;</div>
<div class="line"><a name="l03201"></a><span class="lineno"> 3201</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> sinAngle = term.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l03202"></a><span class="lineno"> 3202</span>  </div>
<div class="line"><a name="l03203"></a><span class="lineno"> 3203</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03204"></a><span class="lineno"> 3204</span> <span class="preprocessor"># pragma omp parallel for \</span></div>
<div class="line"><a name="l03205"></a><span class="lineno"> 3205</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03206"></a><span class="lineno"> 3206</span> <span class="preprocessor"> shared (stateVecSize, stateVecReal,stateVecImag, cosAngle,sinAngle, \</span></div>
<div class="line"><a name="l03207"></a><span class="lineno"> 3207</span> <span class="preprocessor"> chunkId,chunkSize,targetQubit) \</span></div>
<div class="line"><a name="l03208"></a><span class="lineno"> 3208</span> <span class="preprocessor"> private (index,targetBit,stateRealLo,stateImagLo) \</span></div>
<div class="line"><a name="l03209"></a><span class="lineno"> 3209</span> <span class="preprocessor"> schedule (static)</span></div>
<div class="line"><a name="l03210"></a><span class="lineno"> 3210</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03211"></a><span class="lineno"> 3211</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l03212"></a><span class="lineno"> 3212</span>  </div>
<div class="line"><a name="l03213"></a><span class="lineno"> 3213</span>  <span class="comment">// update the coeff of the |1> state of the target qubit</span></div>
<div class="line"><a name="l03214"></a><span class="lineno"> 3214</span>  targetBit = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (targetQubit, index+chunkId*chunkSize);</div>
<div class="line"><a name="l03215"></a><span class="lineno"> 3215</span>  <span class="keywordflow">if</span> (targetBit) {</div>
<div class="line"><a name="l03216"></a><span class="lineno"> 3216</span>  </div>
<div class="line"><a name="l03217"></a><span class="lineno"> 3217</span>  stateRealLo = stateVecReal[index];</div>
<div class="line"><a name="l03218"></a><span class="lineno"> 3218</span>  stateImagLo = stateVecImag[index];</div>
<div class="line"><a name="l03219"></a><span class="lineno"> 3219</span>  </div>
<div class="line"><a name="l03220"></a><span class="lineno"> 3220</span>  stateVecReal[index] = cosAngle*stateRealLo - sinAngle*stateImagLo;</div>
<div class="line"><a name="l03221"></a><span class="lineno"> 3221</span>  stateVecImag[index] = sinAngle*stateRealLo + cosAngle*stateImagLo; </div>
<div class="line"><a name="l03222"></a><span class="lineno"> 3222</span>  }</div>
<div class="line"><a name="l03223"></a><span class="lineno"> 3223</span>  }</div>
<div class="line"><a name="l03224"></a><span class="lineno"> 3224</span> }</div>
<div class="line"><a name="l03225"></a><span class="lineno"> 3225</span>  </div>
<div class="line"><a name="l03226"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a63df1ec14ff7cc81c3f392ac10fcc744"> 3226</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a63df1ec14ff7cc81c3f392ac10fcc744">statevec_controlledPhaseShift</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> idQubit1, <span class="keywordtype">int</span> idQubit2, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> angle)</div>
<div class="line"><a name="l03227"></a><span class="lineno"> 3227</span> {</div>
<div class="line"><a name="l03228"></a><span class="lineno"> 3228</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03229"></a><span class="lineno"> 3229</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l03230"></a><span class="lineno"> 3230</span>  <span class="keywordtype">int</span> bit1, bit2;</div>
<div class="line"><a name="l03231"></a><span class="lineno"> 3231</span>  </div>
<div class="line"><a name="l03232"></a><span class="lineno"> 3232</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03233"></a><span class="lineno"> 3233</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l03234"></a><span class="lineno"> 3234</span>  </div>
<div class="line"><a name="l03235"></a><span class="lineno"> 3235</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l03236"></a><span class="lineno"> 3236</span>  stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03237"></a><span class="lineno"> 3237</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03238"></a><span class="lineno"> 3238</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03239"></a><span class="lineno"> 3239</span>  </div>
<div class="line"><a name="l03240"></a><span class="lineno"> 3240</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealLo, stateImagLo;</div>
<div class="line"><a name="l03241"></a><span class="lineno"> 3241</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> cosAngle = cos(angle);</div>
<div class="line"><a name="l03242"></a><span class="lineno"> 3242</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> sinAngle = sin(angle);</div>
<div class="line"><a name="l03243"></a><span class="lineno"> 3243</span>  </div>
<div class="line"><a name="l03244"></a><span class="lineno"> 3244</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03245"></a><span class="lineno"> 3245</span> <span class="preprocessor"># pragma omp parallel for \</span></div>
<div class="line"><a name="l03246"></a><span class="lineno"> 3246</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03247"></a><span class="lineno"> 3247</span> <span class="preprocessor"> shared (stateVecSize, stateVecReal,stateVecImag, chunkId,chunkSize, \</span></div>
<div class="line"><a name="l03248"></a><span class="lineno"> 3248</span> <span class="preprocessor"> idQubit1,idQubit2,cosAngle,sinAngle ) \</span></div>
<div class="line"><a name="l03249"></a><span class="lineno"> 3249</span> <span class="preprocessor"> private (index,bit1,bit2,stateRealLo,stateImagLo) \</span></div>
<div class="line"><a name="l03250"></a><span class="lineno"> 3250</span> <span class="preprocessor"> schedule (static)</span></div>
<div class="line"><a name="l03251"></a><span class="lineno"> 3251</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03252"></a><span class="lineno"> 3252</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l03253"></a><span class="lineno"> 3253</span>  bit1 = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (idQubit1, index+chunkId*chunkSize);</div>
<div class="line"><a name="l03254"></a><span class="lineno"> 3254</span>  bit2 = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (idQubit2, index+chunkId*chunkSize);</div>
<div class="line"><a name="l03255"></a><span class="lineno"> 3255</span>  <span class="keywordflow">if</span> (bit1 && bit2) {</div>
<div class="line"><a name="l03256"></a><span class="lineno"> 3256</span>  </div>
<div class="line"><a name="l03257"></a><span class="lineno"> 3257</span>  stateRealLo = stateVecReal[index];</div>
<div class="line"><a name="l03258"></a><span class="lineno"> 3258</span>  stateImagLo = stateVecImag[index];</div>
<div class="line"><a name="l03259"></a><span class="lineno"> 3259</span>  </div>
<div class="line"><a name="l03260"></a><span class="lineno"> 3260</span>  stateVecReal[index] = cosAngle*stateRealLo - sinAngle*stateImagLo;</div>
<div class="line"><a name="l03261"></a><span class="lineno"> 3261</span>  stateVecImag[index] = sinAngle*stateRealLo + cosAngle*stateImagLo; </div>
<div class="line"><a name="l03262"></a><span class="lineno"> 3262</span>  }</div>
<div class="line"><a name="l03263"></a><span class="lineno"> 3263</span>  }</div>
<div class="line"><a name="l03264"></a><span class="lineno"> 3264</span> }</div>
<div class="line"><a name="l03265"></a><span class="lineno"> 3265</span>  </div>
<div class="line"><a name="l03266"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#aa662796ea6e0f471143c53becae8c12c"> 3266</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#aa662796ea6e0f471143c53becae8c12c">statevec_multiControlledPhaseShift</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> *controlQubits, <span class="keywordtype">int</span> numControlQubits, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> angle)</div>
<div class="line"><a name="l03267"></a><span class="lineno"> 3267</span> {</div>
<div class="line"><a name="l03268"></a><span class="lineno"> 3268</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03269"></a><span class="lineno"> 3269</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l03270"></a><span class="lineno"> 3270</span>  </div>
<div class="line"><a name="l03271"></a><span class="lineno"> 3271</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03272"></a><span class="lineno"> 3272</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l03273"></a><span class="lineno"> 3273</span>  </div>
<div class="line"><a name="l03274"></a><span class="lineno"> 3274</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> mask = <a class="code" href="QuEST__common_8c.html#acc45bb8300922ea5933e294921e25ea2">getQubitBitMask</a>(controlQubits, numControlQubits);</div>
<div class="line"><a name="l03275"></a><span class="lineno"> 3275</span>  </div>
<div class="line"><a name="l03276"></a><span class="lineno"> 3276</span>  stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03277"></a><span class="lineno"> 3277</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03278"></a><span class="lineno"> 3278</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03279"></a><span class="lineno"> 3279</span>  </div>
<div class="line"><a name="l03280"></a><span class="lineno"> 3280</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealLo, stateImagLo;</div>
<div class="line"><a name="l03281"></a><span class="lineno"> 3281</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> cosAngle = cos(angle);</div>
<div class="line"><a name="l03282"></a><span class="lineno"> 3282</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> sinAngle = sin(angle);</div>
<div class="line"><a name="l03283"></a><span class="lineno"> 3283</span>  </div>
<div class="line"><a name="l03284"></a><span class="lineno"> 3284</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03285"></a><span class="lineno"> 3285</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03286"></a><span class="lineno"> 3286</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03287"></a><span class="lineno"> 3287</span> <span class="preprocessor"> shared (stateVecSize, stateVecReal, stateVecImag, mask, chunkId,chunkSize,cosAngle,sinAngle) \</span></div>
<div class="line"><a name="l03288"></a><span class="lineno"> 3288</span> <span class="preprocessor"> private (index, stateRealLo, stateImagLo)</span></div>
<div class="line"><a name="l03289"></a><span class="lineno"> 3289</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03290"></a><span class="lineno"> 3290</span>  {</div>
<div class="line"><a name="l03291"></a><span class="lineno"> 3291</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03292"></a><span class="lineno"> 3292</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03293"></a><span class="lineno"> 3293</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03294"></a><span class="lineno"> 3294</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l03295"></a><span class="lineno"> 3295</span>  <span class="keywordflow">if</span> (mask == (mask & (index+chunkId*chunkSize)) ){</div>
<div class="line"><a name="l03296"></a><span class="lineno"> 3296</span>  </div>
<div class="line"><a name="l03297"></a><span class="lineno"> 3297</span>  stateRealLo = stateVecReal[index];</div>
<div class="line"><a name="l03298"></a><span class="lineno"> 3298</span>  stateImagLo = stateVecImag[index];</div>
<div class="line"><a name="l03299"></a><span class="lineno"> 3299</span>  </div>
<div class="line"><a name="l03300"></a><span class="lineno"> 3300</span>  stateVecReal[index] = cosAngle*stateRealLo - sinAngle*stateImagLo;</div>
<div class="line"><a name="l03301"></a><span class="lineno"> 3301</span>  stateVecImag[index] = sinAngle*stateRealLo + cosAngle*stateImagLo; </div>
<div class="line"><a name="l03302"></a><span class="lineno"> 3302</span>  }</div>
<div class="line"><a name="l03303"></a><span class="lineno"> 3303</span>  }</div>
<div class="line"><a name="l03304"></a><span class="lineno"> 3304</span>  }</div>
<div class="line"><a name="l03305"></a><span class="lineno"> 3305</span> }</div>
<div class="line"><a name="l03306"></a><span class="lineno"> 3306</span>  </div>
<div class="line"><a name="l03307"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a37e522505286f17fe6ef74b9f607a5c6"> 3307</a></span> <span class="keywordtype">int</span> <a class="code" href="QuEST__cpu_8c.html#a37e522505286f17fe6ef74b9f607a5c6">getBitMaskParity</a>(<span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> mask) {</div>
<div class="line"><a name="l03308"></a><span class="lineno"> 3308</span>  <span class="keywordtype">int</span> parity = 0;</div>
<div class="line"><a name="l03309"></a><span class="lineno"> 3309</span>  <span class="keywordflow">while</span> (mask) {</div>
<div class="line"><a name="l03310"></a><span class="lineno"> 3310</span>  parity = !parity;</div>
<div class="line"><a name="l03311"></a><span class="lineno"> 3311</span>  mask = mask & (mask-1);</div>
<div class="line"><a name="l03312"></a><span class="lineno"> 3312</span>  }</div>
<div class="line"><a name="l03313"></a><span class="lineno"> 3313</span>  <span class="keywordflow">return</span> parity;</div>
<div class="line"><a name="l03314"></a><span class="lineno"> 3314</span> }</div>
<div class="line"><a name="l03315"></a><span class="lineno"> 3315</span>  </div>
<div class="line"><a name="l03316"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a8d88b4ed94ab024e5e7b2f1f4f505b44"> 3316</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a8d88b4ed94ab024e5e7b2f1f4f505b44">statevec_multiRotateZ</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> mask, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> angle)</div>
<div class="line"><a name="l03317"></a><span class="lineno"> 3317</span> {</div>
<div class="line"><a name="l03318"></a><span class="lineno"> 3318</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03319"></a><span class="lineno"> 3319</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l03320"></a><span class="lineno"> 3320</span>  </div>
<div class="line"><a name="l03321"></a><span class="lineno"> 3321</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03322"></a><span class="lineno"> 3322</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l03323"></a><span class="lineno"> 3323</span>  </div>
<div class="line"><a name="l03324"></a><span class="lineno"> 3324</span>  stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03325"></a><span class="lineno"> 3325</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03326"></a><span class="lineno"> 3326</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03327"></a><span class="lineno"> 3327</span>  </div>
<div class="line"><a name="l03328"></a><span class="lineno"> 3328</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateReal, stateImag;</div>
<div class="line"><a name="l03329"></a><span class="lineno"> 3329</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> cosAngle = cos(angle/2.0);</div>
<div class="line"><a name="l03330"></a><span class="lineno"> 3330</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> sinAngle = sin(angle/2.0); </div>
<div class="line"><a name="l03331"></a><span class="lineno"> 3331</span>  </div>
<div class="line"><a name="l03332"></a><span class="lineno"> 3332</span>  <span class="comment">// = +-1, to flip sinAngle based on target qubit parity, to effect</span></div>
<div class="line"><a name="l03333"></a><span class="lineno"> 3333</span>  <span class="comment">// exp(-angle/2 i fac_j)|j></span></div>
<div class="line"><a name="l03334"></a><span class="lineno"> 3334</span>  <span class="keywordtype">int</span> fac; </div>
<div class="line"><a name="l03335"></a><span class="lineno"> 3335</span>  </div>
<div class="line"><a name="l03336"></a><span class="lineno"> 3336</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03337"></a><span class="lineno"> 3337</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03338"></a><span class="lineno"> 3338</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03339"></a><span class="lineno"> 3339</span> <span class="preprocessor"> shared (stateVecSize, stateVecReal, stateVecImag, mask, chunkId,chunkSize,cosAngle,sinAngle) \</span></div>
<div class="line"><a name="l03340"></a><span class="lineno"> 3340</span> <span class="preprocessor"> private (index, fac, stateReal, stateImag)</span></div>
<div class="line"><a name="l03341"></a><span class="lineno"> 3341</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03342"></a><span class="lineno"> 3342</span>  {</div>
<div class="line"><a name="l03343"></a><span class="lineno"> 3343</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03344"></a><span class="lineno"> 3344</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03345"></a><span class="lineno"> 3345</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03346"></a><span class="lineno"> 3346</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l03347"></a><span class="lineno"> 3347</span>  stateReal = stateVecReal[index];</div>
<div class="line"><a name="l03348"></a><span class="lineno"> 3348</span>  stateImag = stateVecImag[index];</div>
<div class="line"><a name="l03349"></a><span class="lineno"> 3349</span>  </div>
<div class="line"><a name="l03350"></a><span class="lineno"> 3350</span>  <span class="comment">// odd-parity target qubits get fac_j = -1</span></div>
<div class="line"><a name="l03351"></a><span class="lineno"> 3351</span>  fac = <a class="code" href="QuEST__cpu_8c.html#a37e522505286f17fe6ef74b9f607a5c6">getBitMaskParity</a>(mask & (index+chunkId*chunkSize))? -1 : 1;</div>
<div class="line"><a name="l03352"></a><span class="lineno"> 3352</span>  stateVecReal[index] = cosAngle*stateReal + fac * sinAngle*stateImag;</div>
<div class="line"><a name="l03353"></a><span class="lineno"> 3353</span>  stateVecImag[index] = - fac * sinAngle*stateReal + cosAngle*stateImag; </div>
<div class="line"><a name="l03354"></a><span class="lineno"> 3354</span>  }</div>
<div class="line"><a name="l03355"></a><span class="lineno"> 3355</span>  }</div>
<div class="line"><a name="l03356"></a><span class="lineno"> 3356</span> }</div>
<div class="line"><a name="l03357"></a><span class="lineno"> 3357</span>  </div>
<div class="line"><a name="l03358"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a3ed30f823a59890be17441d97ce90c5c"> 3358</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a3ed30f823a59890be17441d97ce90c5c">statevec_multiControlledMultiRotateZ</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ctrlMask, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> targMask, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> angle) </div>
<div class="line"><a name="l03359"></a><span class="lineno"> 3359</span> {</div>
<div class="line"><a name="l03360"></a><span class="lineno"> 3360</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> offset = qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> * qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03361"></a><span class="lineno"> 3361</span>  </div>
<div class="line"><a name="l03362"></a><span class="lineno"> 3362</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03363"></a><span class="lineno"> 3363</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03364"></a><span class="lineno"> 3364</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03365"></a><span class="lineno"> 3365</span>  </div>
<div class="line"><a name="l03366"></a><span class="lineno"> 3366</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateReal, stateImag;</div>
<div class="line"><a name="l03367"></a><span class="lineno"> 3367</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> cosAngle = cos(angle/2.0);</div>
<div class="line"><a name="l03368"></a><span class="lineno"> 3368</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> sinAngle = sin(angle/2.0); </div>
<div class="line"><a name="l03369"></a><span class="lineno"> 3369</span>  </div>
<div class="line"><a name="l03370"></a><span class="lineno"> 3370</span>  <span class="comment">// = +-1, to flip sinAngle based on target qubit parity, to effect</span></div>
<div class="line"><a name="l03371"></a><span class="lineno"> 3371</span>  <span class="comment">// exp(-angle/2 i fac_j)|j></span></div>
<div class="line"><a name="l03372"></a><span class="lineno"> 3372</span>  <span class="keywordtype">int</span> fac; </div>
<div class="line"><a name="l03373"></a><span class="lineno"> 3373</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index, globalIndex;</div>
<div class="line"><a name="l03374"></a><span class="lineno"> 3374</span>  </div>
<div class="line"><a name="l03375"></a><span class="lineno"> 3375</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03376"></a><span class="lineno"> 3376</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03377"></a><span class="lineno"> 3377</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03378"></a><span class="lineno"> 3378</span> <span class="preprocessor"> shared (offset, stateVecSize, stateVecReal,stateVecImag, ctrlMask,targMask, cosAngle,sinAngle) \</span></div>
<div class="line"><a name="l03379"></a><span class="lineno"> 3379</span> <span class="preprocessor"> private (index,globalIndex, fac, stateReal,stateImag)</span></div>
<div class="line"><a name="l03380"></a><span class="lineno"> 3380</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03381"></a><span class="lineno"> 3381</span>  {</div>
<div class="line"><a name="l03382"></a><span class="lineno"> 3382</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03383"></a><span class="lineno"> 3383</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03384"></a><span class="lineno"> 3384</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03385"></a><span class="lineno"> 3385</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l03386"></a><span class="lineno"> 3386</span>  stateReal = stateVecReal[index];</div>
<div class="line"><a name="l03387"></a><span class="lineno"> 3387</span>  stateImag = stateVecImag[index];</div>
<div class="line"><a name="l03388"></a><span class="lineno"> 3388</span>  </div>
<div class="line"><a name="l03389"></a><span class="lineno"> 3389</span>  <span class="comment">// states with not-all-one control qubits are unmodified</span></div>
<div class="line"><a name="l03390"></a><span class="lineno"> 3390</span>  globalIndex = index + offset;</div>
<div class="line"><a name="l03391"></a><span class="lineno"> 3391</span>  <span class="keywordflow">if</span> (ctrlMask && ((ctrlMask & globalIndex) != ctrlMask))</div>
<div class="line"><a name="l03392"></a><span class="lineno"> 3392</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l03393"></a><span class="lineno"> 3393</span>  </div>
<div class="line"><a name="l03394"></a><span class="lineno"> 3394</span>  <span class="comment">// odd-parity target qubits get fac_j = -1 (avoid thread divergence)</span></div>
<div class="line"><a name="l03395"></a><span class="lineno"> 3395</span>  fac = 1-2*<a class="code" href="QuEST__cpu_8c.html#a37e522505286f17fe6ef74b9f607a5c6">getBitMaskParity</a>(targMask & globalIndex);</div>
<div class="line"><a name="l03396"></a><span class="lineno"> 3396</span>  stateVecReal[index] = cosAngle*stateReal + fac * sinAngle*stateImag;</div>
<div class="line"><a name="l03397"></a><span class="lineno"> 3397</span>  stateVecImag[index] = - fac * sinAngle*stateReal + cosAngle*stateImag; </div>
<div class="line"><a name="l03398"></a><span class="lineno"> 3398</span>  }</div>
<div class="line"><a name="l03399"></a><span class="lineno"> 3399</span>  } </div>
<div class="line"><a name="l03400"></a><span class="lineno"> 3400</span> }</div>
<div class="line"><a name="l03401"></a><span class="lineno"> 3401</span>  </div>
<div class="line"><a name="l03402"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a8bea931504c90d9bd97e74645667804e"> 3402</a></span> <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> <a class="code" href="QuEST__cpu_8c.html#a8bea931504c90d9bd97e74645667804e">densmatr_findProbabilityOfZeroLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> measureQubit) {</div>
<div class="line"><a name="l03403"></a><span class="lineno"> 3403</span>  </div>
<div class="line"><a name="l03404"></a><span class="lineno"> 3404</span>  <span class="comment">// computes first local index containing a diagonal element</span></div>
<div class="line"><a name="l03405"></a><span class="lineno"> 3405</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localNumAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03406"></a><span class="lineno"> 3406</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> densityDim = (1LL << qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l03407"></a><span class="lineno"> 3407</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> diagSpacing = 1LL + densityDim;</div>
<div class="line"><a name="l03408"></a><span class="lineno"> 3408</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> maxNumDiagsPerChunk = 1 + localNumAmps / diagSpacing;</div>
<div class="line"><a name="l03409"></a><span class="lineno"> 3409</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numPrevDiags = (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>>0)? 1+(qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>*localNumAmps)/diagSpacing : 0;</div>
<div class="line"><a name="l03410"></a><span class="lineno"> 3410</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> globalIndNextDiag = diagSpacing * numPrevDiags;</div>
<div class="line"><a name="l03411"></a><span class="lineno"> 3411</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localIndNextDiag = globalIndNextDiag % localNumAmps;</div>
<div class="line"><a name="l03412"></a><span class="lineno"> 3412</span>  </div>
<div class="line"><a name="l03413"></a><span class="lineno"> 3413</span>  <span class="comment">// computes how many diagonals are contained in this chunk</span></div>
<div class="line"><a name="l03414"></a><span class="lineno"> 3414</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numDiagsInThisChunk = maxNumDiagsPerChunk;</div>
<div class="line"><a name="l03415"></a><span class="lineno"> 3415</span>  <span class="keywordflow">if</span> (localIndNextDiag + (numDiagsInThisChunk-1)*diagSpacing >= localNumAmps)</div>
<div class="line"><a name="l03416"></a><span class="lineno"> 3416</span>  numDiagsInThisChunk -= 1;</div>
<div class="line"><a name="l03417"></a><span class="lineno"> 3417</span>  </div>
<div class="line"><a name="l03418"></a><span class="lineno"> 3418</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> visitedDiags; <span class="comment">// number of visited diagonals in this chunk so far</span></div>
<div class="line"><a name="l03419"></a><span class="lineno"> 3419</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> basisStateInd; <span class="comment">// current diagonal index being considered</span></div>
<div class="line"><a name="l03420"></a><span class="lineno"> 3420</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index; <span class="comment">// index in the local chunk</span></div>
<div class="line"><a name="l03421"></a><span class="lineno"> 3421</span>  </div>
<div class="line"><a name="l03422"></a><span class="lineno"> 3422</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> zeroProb = 0;</div>
<div class="line"><a name="l03423"></a><span class="lineno"> 3423</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03424"></a><span class="lineno"> 3424</span>  </div>
<div class="line"><a name="l03425"></a><span class="lineno"> 3425</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03426"></a><span class="lineno"> 3426</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03427"></a><span class="lineno"> 3427</span> <span class="preprocessor"> shared (localIndNextDiag, numPrevDiags, diagSpacing, stateVecReal, numDiagsInThisChunk) \</span></div>
<div class="line"><a name="l03428"></a><span class="lineno"> 3428</span> <span class="preprocessor"> private (visitedDiags, basisStateInd, index) \</span></div>
<div class="line"><a name="l03429"></a><span class="lineno"> 3429</span> <span class="preprocessor"> reduction ( +:zeroProb )</span></div>
<div class="line"><a name="l03430"></a><span class="lineno"> 3430</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l03431"></a><span class="lineno"> 3431</span>  {</div>
<div class="line"><a name="l03432"></a><span class="lineno"> 3432</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03433"></a><span class="lineno"> 3433</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03434"></a><span class="lineno"> 3434</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03435"></a><span class="lineno"> 3435</span>  <span class="comment">// sums the diagonal elems of the density matrix where measureQubit=0</span></div>
<div class="line"><a name="l03436"></a><span class="lineno"> 3436</span>  <span class="keywordflow">for</span> (visitedDiags = 0; visitedDiags < numDiagsInThisChunk; visitedDiags++) {</div>
<div class="line"><a name="l03437"></a><span class="lineno"> 3437</span>  </div>
<div class="line"><a name="l03438"></a><span class="lineno"> 3438</span>  basisStateInd = numPrevDiags + visitedDiags;</div>
<div class="line"><a name="l03439"></a><span class="lineno"> 3439</span>  index = localIndNextDiag + diagSpacing * visitedDiags;</div>
<div class="line"><a name="l03440"></a><span class="lineno"> 3440</span>  </div>
<div class="line"><a name="l03441"></a><span class="lineno"> 3441</span>  <span class="keywordflow">if</span> (<a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(measureQubit, basisStateInd) == 0)</div>
<div class="line"><a name="l03442"></a><span class="lineno"> 3442</span>  zeroProb += stateVecReal[index]; <span class="comment">// assume imag[diagonls] ~ 0</span></div>
<div class="line"><a name="l03443"></a><span class="lineno"> 3443</span>  </div>
<div class="line"><a name="l03444"></a><span class="lineno"> 3444</span>  }</div>
<div class="line"><a name="l03445"></a><span class="lineno"> 3445</span>  }</div>
<div class="line"><a name="l03446"></a><span class="lineno"> 3446</span>  </div>
<div class="line"><a name="l03447"></a><span class="lineno"> 3447</span>  <span class="keywordflow">return</span> zeroProb;</div>
<div class="line"><a name="l03448"></a><span class="lineno"> 3448</span> }</div>
<div class="line"><a name="l03449"></a><span class="lineno"> 3449</span>  </div>
<div class="line"><a name="l03457"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a8535bc15c2ff249ddddb3fde6eff1490"> 3457</a></span> <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> <a class="code" href="QuEST__cpu_8c.html#a8535bc15c2ff249ddddb3fde6eff1490">statevec_findProbabilityOfZeroLocal</a> (<a class="code" href="structQureg.html">Qureg</a> qureg,</div>
<div class="line"><a name="l03458"></a><span class="lineno"> 3458</span>  <span class="keywordtype">int</span> measureQubit)</div>
<div class="line"><a name="l03459"></a><span class="lineno"> 3459</span> {</div>
<div class="line"><a name="l03460"></a><span class="lineno"> 3460</span>  <span class="comment">// ----- sizes</span></div>
<div class="line"><a name="l03461"></a><span class="lineno"> 3461</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, <span class="comment">// size of blocks</span></div>
<div class="line"><a name="l03462"></a><span class="lineno"> 3462</span>  sizeHalfBlock; <span class="comment">// size of blocks halved</span></div>
<div class="line"><a name="l03463"></a><span class="lineno"> 3463</span>  <span class="comment">// ----- indices</span></div>
<div class="line"><a name="l03464"></a><span class="lineno"> 3464</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l03465"></a><span class="lineno"> 3465</span>  index; <span class="comment">// current index for first half block</span></div>
<div class="line"><a name="l03466"></a><span class="lineno"> 3466</span>  <span class="comment">// ----- measured probability</span></div>
<div class="line"><a name="l03467"></a><span class="lineno"> 3467</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> totalProbability; <span class="comment">// probability (returned) value</span></div>
<div class="line"><a name="l03468"></a><span class="lineno"> 3468</span>  <span class="comment">// ----- temp variables</span></div>
<div class="line"><a name="l03469"></a><span class="lineno"> 3469</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l03470"></a><span class="lineno"> 3470</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>>>1;</div>
<div class="line"><a name="l03471"></a><span class="lineno"> 3471</span>  </div>
<div class="line"><a name="l03472"></a><span class="lineno"> 3472</span>  <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03473"></a><span class="lineno"> 3473</span>  <span class="comment">// dimensions //</span></div>
<div class="line"><a name="l03474"></a><span class="lineno"> 3474</span>  <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03475"></a><span class="lineno"> 3475</span>  sizeHalfBlock = 1LL << (measureQubit); <span class="comment">// number of state vector elements to sum,</span></div>
<div class="line"><a name="l03476"></a><span class="lineno"> 3476</span>  <span class="comment">// and then the number to skip</span></div>
<div class="line"><a name="l03477"></a><span class="lineno"> 3477</span>  sizeBlock = 2LL * sizeHalfBlock; <span class="comment">// size of blocks (pairs of measure and skip entries)</span></div>
<div class="line"><a name="l03478"></a><span class="lineno"> 3478</span>  </div>
<div class="line"><a name="l03479"></a><span class="lineno"> 3479</span>  <span class="comment">// initialise returned value</span></div>
<div class="line"><a name="l03480"></a><span class="lineno"> 3480</span>  totalProbability = 0.0;</div>
<div class="line"><a name="l03481"></a><span class="lineno"> 3481</span>  </div>
<div class="line"><a name="l03482"></a><span class="lineno"> 3482</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03483"></a><span class="lineno"> 3483</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03484"></a><span class="lineno"> 3484</span>  </div>
<div class="line"><a name="l03485"></a><span class="lineno"> 3485</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03486"></a><span class="lineno"> 3486</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03487"></a><span class="lineno"> 3487</span> <span class="preprocessor"> shared (numTasks,sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag) \</span></div>
<div class="line"><a name="l03488"></a><span class="lineno"> 3488</span> <span class="preprocessor"> private (thisTask,thisBlock,index) \</span></div>
<div class="line"><a name="l03489"></a><span class="lineno"> 3489</span> <span class="preprocessor"> reduction ( +:totalProbability )</span></div>
<div class="line"><a name="l03490"></a><span class="lineno"> 3490</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l03491"></a><span class="lineno"> 3491</span>  {</div>
<div class="line"><a name="l03492"></a><span class="lineno"> 3492</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03493"></a><span class="lineno"> 3493</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03494"></a><span class="lineno"> 3494</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03495"></a><span class="lineno"> 3495</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l03496"></a><span class="lineno"> 3496</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l03497"></a><span class="lineno"> 3497</span>  index = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l03498"></a><span class="lineno"> 3498</span>  </div>
<div class="line"><a name="l03499"></a><span class="lineno"> 3499</span>  totalProbability += stateVecReal[index]*stateVecReal[index]</div>
<div class="line"><a name="l03500"></a><span class="lineno"> 3500</span>  + stateVecImag[index]*stateVecImag[index];</div>
<div class="line"><a name="l03501"></a><span class="lineno"> 3501</span>  }</div>
<div class="line"><a name="l03502"></a><span class="lineno"> 3502</span>  }</div>
<div class="line"><a name="l03503"></a><span class="lineno"> 3503</span>  <span class="keywordflow">return</span> totalProbability;</div>
<div class="line"><a name="l03504"></a><span class="lineno"> 3504</span> }</div>
<div class="line"><a name="l03505"></a><span class="lineno"> 3505</span>  </div>
<div class="line"><a name="l03513"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a430d98e35f1eae7f0815ac539057cf67"> 3513</a></span> <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> <a class="code" href="QuEST__cpu_8c.html#a430d98e35f1eae7f0815ac539057cf67">statevec_findProbabilityOfZeroDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg) {</div>
<div class="line"><a name="l03514"></a><span class="lineno"> 3514</span>  <span class="comment">// ----- measured probability</span></div>
<div class="line"><a name="l03515"></a><span class="lineno"> 3515</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> totalProbability; <span class="comment">// probability (returned) value</span></div>
<div class="line"><a name="l03516"></a><span class="lineno"> 3516</span>  <span class="comment">// ----- temp variables</span></div>
<div class="line"><a name="l03517"></a><span class="lineno"> 3517</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; <span class="comment">// task based approach for expose loop with small granularity</span></div>
<div class="line"><a name="l03518"></a><span class="lineno"> 3518</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03519"></a><span class="lineno"> 3519</span>  </div>
<div class="line"><a name="l03520"></a><span class="lineno"> 3520</span>  <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03521"></a><span class="lineno"> 3521</span>  <span class="comment">// find probability //</span></div>
<div class="line"><a name="l03522"></a><span class="lineno"> 3522</span>  <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03523"></a><span class="lineno"> 3523</span>  </div>
<div class="line"><a name="l03524"></a><span class="lineno"> 3524</span>  <span class="comment">// initialise returned value</span></div>
<div class="line"><a name="l03525"></a><span class="lineno"> 3525</span>  totalProbability = 0.0;</div>
<div class="line"><a name="l03526"></a><span class="lineno"> 3526</span>  </div>
<div class="line"><a name="l03527"></a><span class="lineno"> 3527</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03528"></a><span class="lineno"> 3528</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03529"></a><span class="lineno"> 3529</span>  </div>
<div class="line"><a name="l03530"></a><span class="lineno"> 3530</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03531"></a><span class="lineno"> 3531</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03532"></a><span class="lineno"> 3532</span> <span class="preprocessor"> shared (numTasks,stateVecReal,stateVecImag) \</span></div>
<div class="line"><a name="l03533"></a><span class="lineno"> 3533</span> <span class="preprocessor"> private (thisTask) \</span></div>
<div class="line"><a name="l03534"></a><span class="lineno"> 3534</span> <span class="preprocessor"> reduction ( +:totalProbability )</span></div>
<div class="line"><a name="l03535"></a><span class="lineno"> 3535</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03536"></a><span class="lineno"> 3536</span>  {</div>
<div class="line"><a name="l03537"></a><span class="lineno"> 3537</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03538"></a><span class="lineno"> 3538</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03539"></a><span class="lineno"> 3539</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03540"></a><span class="lineno"> 3540</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l03541"></a><span class="lineno"> 3541</span>  totalProbability += stateVecReal[thisTask]*stateVecReal[thisTask]</div>
<div class="line"><a name="l03542"></a><span class="lineno"> 3542</span>  + stateVecImag[thisTask]*stateVecImag[thisTask];</div>
<div class="line"><a name="l03543"></a><span class="lineno"> 3543</span>  }</div>
<div class="line"><a name="l03544"></a><span class="lineno"> 3544</span>  }</div>
<div class="line"><a name="l03545"></a><span class="lineno"> 3545</span>  </div>
<div class="line"><a name="l03546"></a><span class="lineno"> 3546</span>  <span class="keywordflow">return</span> totalProbability;</div>
<div class="line"><a name="l03547"></a><span class="lineno"> 3547</span> }</div>
<div class="line"><a name="l03548"></a><span class="lineno"> 3548</span>  </div>
<div class="line"><a name="l03549"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#aff4deaf21eb4ae6ae4de30779aae3b53"> 3549</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#afb1e220c272754d0773aeccdb613b6b3">statevec_calcProbOfAllOutcomesLocal</a>(<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* outcomeProbs, <a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span>* qubits, <span class="keywordtype">int</span> numQubits) {</div>
<div class="line"><a name="l03550"></a><span class="lineno"> 3550</span>  </div>
<div class="line"><a name="l03551"></a><span class="lineno"> 3551</span>  <span class="comment">/* Below, we manually reduce amplitudes into outcomeProbs by using atomic update.</span></div>
<div class="line"><a name="l03552"></a><span class="lineno"> 3552</span> <span class="comment"> * This maintains OpenMP 3.1 compatibility. An alternative is to use array reduction </span></div>
<div class="line"><a name="l03553"></a><span class="lineno"> 3553</span> <span class="comment"> * (requires OpenMP 4.5, limits #qubits since outcomeProbs must be a local stack array)</span></div>
<div class="line"><a name="l03554"></a><span class="lineno"> 3554</span> <span class="comment"> * or a dynamic list of omp locks (duplicates memory cost of outcomeProbs).</span></div>
<div class="line"><a name="l03555"></a><span class="lineno"> 3555</span> <span class="comment"> * Using locks was always slower than the method below. Using reduction was only </span></div>
<div class="line"><a name="l03556"></a><span class="lineno"> 3556</span> <span class="comment"> * faster for very few threads, or very few outcomeProbs.</span></div>
<div class="line"><a name="l03557"></a><span class="lineno"> 3557</span> <span class="comment"> * Finally, we exclude the 'update' clause after 'atomic' to maintain MSVC compatibility </span></div>
<div class="line"><a name="l03558"></a><span class="lineno"> 3558</span> <span class="comment"> */</span></div>
<div class="line"><a name="l03559"></a><span class="lineno"> 3559</span>  </div>
<div class="line"><a name="l03560"></a><span class="lineno"> 3560</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numOutcomeProbs = (1 << numQubits);</div>
<div class="line"><a name="l03561"></a><span class="lineno"> 3561</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> j;</div>
<div class="line"><a name="l03562"></a><span class="lineno"> 3562</span>  </div>
<div class="line"><a name="l03563"></a><span class="lineno"> 3563</span>  <span class="comment">// clear outcomeProbs (in parallel, in case it's large)</span></div>
<div class="line"><a name="l03564"></a><span class="lineno"> 3564</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03565"></a><span class="lineno"> 3565</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03566"></a><span class="lineno"> 3566</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03567"></a><span class="lineno"> 3567</span> <span class="preprocessor"> shared (numOutcomeProbs,outcomeProbs) \</span></div>
<div class="line"><a name="l03568"></a><span class="lineno"> 3568</span> <span class="preprocessor"> private (j)</span></div>
<div class="line"><a name="l03569"></a><span class="lineno"> 3569</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l03570"></a><span class="lineno"> 3570</span>  {</div>
<div class="line"><a name="l03571"></a><span class="lineno"> 3571</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03572"></a><span class="lineno"> 3572</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03573"></a><span class="lineno"> 3573</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03574"></a><span class="lineno"> 3574</span>  <span class="keywordflow">for</span> (j=0; j<numOutcomeProbs; j++)</div>
<div class="line"><a name="l03575"></a><span class="lineno"> 3575</span>  outcomeProbs[j] = 0;</div>
<div class="line"><a name="l03576"></a><span class="lineno"> 3576</span>  } </div>
<div class="line"><a name="l03577"></a><span class="lineno"> 3577</span>  </div>
<div class="line"><a name="l03578"></a><span class="lineno"> 3578</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03579"></a><span class="lineno"> 3579</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> offset = qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>*qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03580"></a><span class="lineno"> 3580</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateRe = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03581"></a><span class="lineno"> 3581</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateIm = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03582"></a><span class="lineno"> 3582</span>  </div>
<div class="line"><a name="l03583"></a><span class="lineno"> 3583</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l03584"></a><span class="lineno"> 3584</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outcomeInd;</div>
<div class="line"><a name="l03585"></a><span class="lineno"> 3585</span>  <span class="keywordtype">int</span> q;</div>
<div class="line"><a name="l03586"></a><span class="lineno"> 3586</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> prob;</div>
<div class="line"><a name="l03587"></a><span class="lineno"> 3587</span>  </div>
<div class="line"><a name="l03588"></a><span class="lineno"> 3588</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03589"></a><span class="lineno"> 3589</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03590"></a><span class="lineno"> 3590</span> <span class="preprocessor"> shared (numTasks,offset, qubits,numQubits, stateRe,stateIm, outcomeProbs) \</span></div>
<div class="line"><a name="l03591"></a><span class="lineno"> 3591</span> <span class="preprocessor"> private (i, q, outcomeInd, prob)</span></div>
<div class="line"><a name="l03592"></a><span class="lineno"> 3592</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l03593"></a><span class="lineno"> 3593</span>  {</div>
<div class="line"><a name="l03594"></a><span class="lineno"> 3594</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03595"></a><span class="lineno"> 3595</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03596"></a><span class="lineno"> 3596</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03597"></a><span class="lineno"> 3597</span>  <span class="comment">// every amplitude contributes to a single element of retProbs</span></div>
<div class="line"><a name="l03598"></a><span class="lineno"> 3598</span>  <span class="keywordflow">for</span> (i=0; i<numTasks; i++) {</div>
<div class="line"><a name="l03599"></a><span class="lineno"> 3599</span>  </div>
<div class="line"><a name="l03600"></a><span class="lineno"> 3600</span>  <span class="comment">// determine index informed by qubits outcome</span></div>
<div class="line"><a name="l03601"></a><span class="lineno"> 3601</span>  outcomeInd = 0;</div>
<div class="line"><a name="l03602"></a><span class="lineno"> 3602</span>  <span class="keywordflow">for</span> (q=0; q<numQubits; q++)</div>
<div class="line"><a name="l03603"></a><span class="lineno"> 3603</span>  outcomeInd += <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(qubits[q], i + offset) * (1LL << q);</div>
<div class="line"><a name="l03604"></a><span class="lineno"> 3604</span>  </div>
<div class="line"><a name="l03605"></a><span class="lineno"> 3605</span>  prob = stateRe[i]*stateRe[i] + stateIm[i]*stateIm[i];</div>
<div class="line"><a name="l03606"></a><span class="lineno"> 3606</span>  </div>
<div class="line"><a name="l03607"></a><span class="lineno"> 3607</span>  <span class="comment">// atomicly update corresponding outcome array element</span></div>
<div class="line"><a name="l03608"></a><span class="lineno"> 3608</span> <span class="preprocessor"> # ifdef _OPENMP</span></div>
<div class="line"><a name="l03609"></a><span class="lineno"> 3609</span> <span class="preprocessor"> # pragma omp atomic</span></div>
<div class="line"><a name="l03610"></a><span class="lineno"> 3610</span> <span class="preprocessor"> # endif</span></div>
<div class="line"><a name="l03611"></a><span class="lineno"> 3611</span>  outcomeProbs[outcomeInd] += prob;</div>
<div class="line"><a name="l03612"></a><span class="lineno"> 3612</span>  }</div>
<div class="line"><a name="l03613"></a><span class="lineno"> 3613</span>  }</div>
<div class="line"><a name="l03614"></a><span class="lineno"> 3614</span> }</div>
<div class="line"><a name="l03615"></a><span class="lineno"> 3615</span>  </div>
<div class="line"><a name="l03616"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a4b0ef5ab721c43c5bacf957e11a65edf"> 3616</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a73a6c5647862b882f4ed7d83ec3c3e1f">densmatr_calcProbOfAllOutcomesLocal</a>(<a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* outcomeProbs, <a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span>* qubits, <span class="keywordtype">int</span> numQubits) {</div>
<div class="line"><a name="l03617"></a><span class="lineno"> 3617</span>  </div>
<div class="line"><a name="l03618"></a><span class="lineno"> 3618</span>  <span class="comment">// clear outcomeProbs (in parallel, in case it's large)</span></div>
<div class="line"><a name="l03619"></a><span class="lineno"> 3619</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numOutcomeProbs = (1 << numQubits);</div>
<div class="line"><a name="l03620"></a><span class="lineno"> 3620</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> j;</div>
<div class="line"><a name="l03621"></a><span class="lineno"> 3621</span>  </div>
<div class="line"><a name="l03622"></a><span class="lineno"> 3622</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03623"></a><span class="lineno"> 3623</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03624"></a><span class="lineno"> 3624</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03625"></a><span class="lineno"> 3625</span> <span class="preprocessor"> shared (numOutcomeProbs,outcomeProbs) \</span></div>
<div class="line"><a name="l03626"></a><span class="lineno"> 3626</span> <span class="preprocessor"> private (j)</span></div>
<div class="line"><a name="l03627"></a><span class="lineno"> 3627</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l03628"></a><span class="lineno"> 3628</span>  {</div>
<div class="line"><a name="l03629"></a><span class="lineno"> 3629</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03630"></a><span class="lineno"> 3630</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03631"></a><span class="lineno"> 3631</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03632"></a><span class="lineno"> 3632</span>  <span class="keywordflow">for</span> (j=0; j<numOutcomeProbs; j++)</div>
<div class="line"><a name="l03633"></a><span class="lineno"> 3633</span>  outcomeProbs[j] = 0;</div>
<div class="line"><a name="l03634"></a><span class="lineno"> 3634</span>  } </div>
<div class="line"><a name="l03635"></a><span class="lineno"> 3635</span>  </div>
<div class="line"><a name="l03636"></a><span class="lineno"> 3636</span>  <span class="comment">// compute first local index containing a diagonal element</span></div>
<div class="line"><a name="l03637"></a><span class="lineno"> 3637</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localNumAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03638"></a><span class="lineno"> 3638</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> densityDim = (1LL << qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l03639"></a><span class="lineno"> 3639</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> diagSpacing = 1LL + densityDim;</div>
<div class="line"><a name="l03640"></a><span class="lineno"> 3640</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> maxNumDiagsPerChunk = 1 + localNumAmps / diagSpacing;</div>
<div class="line"><a name="l03641"></a><span class="lineno"> 3641</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numPrevDiags = (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>>0)? 1+(qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>*localNumAmps)/diagSpacing : 0;</div>
<div class="line"><a name="l03642"></a><span class="lineno"> 3642</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> globalIndNextDiag = diagSpacing * numPrevDiags;</div>
<div class="line"><a name="l03643"></a><span class="lineno"> 3643</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localIndNextDiag = globalIndNextDiag % localNumAmps;</div>
<div class="line"><a name="l03644"></a><span class="lineno"> 3644</span>  </div>
<div class="line"><a name="l03645"></a><span class="lineno"> 3645</span>  <span class="comment">// computes how many diagonals are contained in this chunk</span></div>
<div class="line"><a name="l03646"></a><span class="lineno"> 3646</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numDiagsInThisChunk = maxNumDiagsPerChunk;</div>
<div class="line"><a name="l03647"></a><span class="lineno"> 3647</span>  <span class="keywordflow">if</span> (localIndNextDiag + (numDiagsInThisChunk-1)*diagSpacing >= localNumAmps)</div>
<div class="line"><a name="l03648"></a><span class="lineno"> 3648</span>  numDiagsInThisChunk -= 1;</div>
<div class="line"><a name="l03649"></a><span class="lineno"> 3649</span>  </div>
<div class="line"><a name="l03650"></a><span class="lineno"> 3650</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> visitedDiags; <span class="comment">// number of visited diagonals in this chunk so far</span></div>
<div class="line"><a name="l03651"></a><span class="lineno"> 3651</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> basisStateInd; <span class="comment">// current diagonal index being considered</span></div>
<div class="line"><a name="l03652"></a><span class="lineno"> 3652</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index; <span class="comment">// index in the local chunk</span></div>
<div class="line"><a name="l03653"></a><span class="lineno"> 3653</span>  </div>
<div class="line"><a name="l03654"></a><span class="lineno"> 3654</span>  <span class="keywordtype">int</span> q;</div>
<div class="line"><a name="l03655"></a><span class="lineno"> 3655</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> outcomeInd;</div>
<div class="line"><a name="l03656"></a><span class="lineno"> 3656</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateRe = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03657"></a><span class="lineno"> 3657</span>  </div>
<div class="line"><a name="l03658"></a><span class="lineno"> 3658</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03659"></a><span class="lineno"> 3659</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03660"></a><span class="lineno"> 3660</span> <span class="preprocessor"> shared (localIndNextDiag, numPrevDiags, diagSpacing, stateRe, numDiagsInThisChunk, qubits,numQubits, outcomeProbs) \</span></div>
<div class="line"><a name="l03661"></a><span class="lineno"> 3661</span> <span class="preprocessor"> private (visitedDiags, basisStateInd, index, q,outcomeInd)</span></div>
<div class="line"><a name="l03662"></a><span class="lineno"> 3662</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l03663"></a><span class="lineno"> 3663</span>  {</div>
<div class="line"><a name="l03664"></a><span class="lineno"> 3664</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03665"></a><span class="lineno"> 3665</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03666"></a><span class="lineno"> 3666</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03667"></a><span class="lineno"> 3667</span>  <span class="comment">// sums the diagonal elems of the density matrix where measureQubit=0</span></div>
<div class="line"><a name="l03668"></a><span class="lineno"> 3668</span>  <span class="keywordflow">for</span> (visitedDiags = 0; visitedDiags < numDiagsInThisChunk; visitedDiags++) {</div>
<div class="line"><a name="l03669"></a><span class="lineno"> 3669</span>  </div>
<div class="line"><a name="l03670"></a><span class="lineno"> 3670</span>  basisStateInd = numPrevDiags + visitedDiags;</div>
<div class="line"><a name="l03671"></a><span class="lineno"> 3671</span>  index = localIndNextDiag + diagSpacing * visitedDiags;</div>
<div class="line"><a name="l03672"></a><span class="lineno"> 3672</span>  </div>
<div class="line"><a name="l03673"></a><span class="lineno"> 3673</span>  <span class="comment">// determine outcome implied by basisStateInd</span></div>
<div class="line"><a name="l03674"></a><span class="lineno"> 3674</span>  outcomeInd = 0;</div>
<div class="line"><a name="l03675"></a><span class="lineno"> 3675</span>  <span class="keywordflow">for</span> (q=0; q<numQubits; q++)</div>
<div class="line"><a name="l03676"></a><span class="lineno"> 3676</span>  outcomeInd += <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(qubits[q], basisStateInd) * (1LL << q);</div>
<div class="line"><a name="l03677"></a><span class="lineno"> 3677</span>  </div>
<div class="line"><a name="l03678"></a><span class="lineno"> 3678</span>  <span class="comment">// atomicly update corresponding outcome array element</span></div>
<div class="line"><a name="l03679"></a><span class="lineno"> 3679</span> <span class="preprocessor"> # ifdef _OPENMP</span></div>
<div class="line"><a name="l03680"></a><span class="lineno"> 3680</span> <span class="preprocessor"> # pragma omp atomic</span></div>
<div class="line"><a name="l03681"></a><span class="lineno"> 3681</span> <span class="preprocessor"> # endif</span></div>
<div class="line"><a name="l03682"></a><span class="lineno"> 3682</span>  outcomeProbs[outcomeInd] += stateRe[index];</div>
<div class="line"><a name="l03683"></a><span class="lineno"> 3683</span>  }</div>
<div class="line"><a name="l03684"></a><span class="lineno"> 3684</span>  }</div>
<div class="line"><a name="l03685"></a><span class="lineno"> 3685</span> }</div>
<div class="line"><a name="l03686"></a><span class="lineno"> 3686</span>  </div>
<div class="line"><a name="l03687"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#aaf78491e35d165edfd57387f9fffecbd"> 3687</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#aaf78491e35d165edfd57387f9fffecbd">statevec_controlledPhaseFlip</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> idQubit1, <span class="keywordtype">int</span> idQubit2)</div>
<div class="line"><a name="l03688"></a><span class="lineno"> 3688</span> {</div>
<div class="line"><a name="l03689"></a><span class="lineno"> 3689</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03690"></a><span class="lineno"> 3690</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l03691"></a><span class="lineno"> 3691</span>  <span class="keywordtype">int</span> bit1, bit2;</div>
<div class="line"><a name="l03692"></a><span class="lineno"> 3692</span>  </div>
<div class="line"><a name="l03693"></a><span class="lineno"> 3693</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03694"></a><span class="lineno"> 3694</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l03695"></a><span class="lineno"> 3695</span>  </div>
<div class="line"><a name="l03696"></a><span class="lineno"> 3696</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l03697"></a><span class="lineno"> 3697</span>  stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03698"></a><span class="lineno"> 3698</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03699"></a><span class="lineno"> 3699</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03700"></a><span class="lineno"> 3700</span>  </div>
<div class="line"><a name="l03701"></a><span class="lineno"> 3701</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03702"></a><span class="lineno"> 3702</span> <span class="preprocessor"># pragma omp parallel for \</span></div>
<div class="line"><a name="l03703"></a><span class="lineno"> 3703</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03704"></a><span class="lineno"> 3704</span> <span class="preprocessor"> shared (stateVecSize, stateVecReal,stateVecImag, chunkId,chunkSize,idQubit1,idQubit2 ) \</span></div>
<div class="line"><a name="l03705"></a><span class="lineno"> 3705</span> <span class="preprocessor"> private (index,bit1,bit2) \</span></div>
<div class="line"><a name="l03706"></a><span class="lineno"> 3706</span> <span class="preprocessor"> schedule (static)</span></div>
<div class="line"><a name="l03707"></a><span class="lineno"> 3707</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03708"></a><span class="lineno"> 3708</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l03709"></a><span class="lineno"> 3709</span>  bit1 = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (idQubit1, index+chunkId*chunkSize);</div>
<div class="line"><a name="l03710"></a><span class="lineno"> 3710</span>  bit2 = <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a> (idQubit2, index+chunkId*chunkSize);</div>
<div class="line"><a name="l03711"></a><span class="lineno"> 3711</span>  <span class="keywordflow">if</span> (bit1 && bit2) {</div>
<div class="line"><a name="l03712"></a><span class="lineno"> 3712</span>  stateVecReal [index] = - stateVecReal [index];</div>
<div class="line"><a name="l03713"></a><span class="lineno"> 3713</span>  stateVecImag [index] = - stateVecImag [index];</div>
<div class="line"><a name="l03714"></a><span class="lineno"> 3714</span>  }</div>
<div class="line"><a name="l03715"></a><span class="lineno"> 3715</span>  }</div>
<div class="line"><a name="l03716"></a><span class="lineno"> 3716</span> }</div>
<div class="line"><a name="l03717"></a><span class="lineno"> 3717</span>  </div>
<div class="line"><a name="l03718"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ac4ee5979d475e8c729294b8ef7e0270d"> 3718</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ac4ee5979d475e8c729294b8ef7e0270d">statevec_multiControlledPhaseFlip</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> *controlQubits, <span class="keywordtype">int</span> numControlQubits)</div>
<div class="line"><a name="l03719"></a><span class="lineno"> 3719</span> {</div>
<div class="line"><a name="l03720"></a><span class="lineno"> 3720</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03721"></a><span class="lineno"> 3721</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l03722"></a><span class="lineno"> 3722</span>  </div>
<div class="line"><a name="l03723"></a><span class="lineno"> 3723</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03724"></a><span class="lineno"> 3724</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkId=qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l03725"></a><span class="lineno"> 3725</span>  </div>
<div class="line"><a name="l03726"></a><span class="lineno"> 3726</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> mask = <a class="code" href="QuEST__common_8c.html#acc45bb8300922ea5933e294921e25ea2">getQubitBitMask</a>(controlQubits, numControlQubits);</div>
<div class="line"><a name="l03727"></a><span class="lineno"> 3727</span>  </div>
<div class="line"><a name="l03728"></a><span class="lineno"> 3728</span>  stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03729"></a><span class="lineno"> 3729</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03730"></a><span class="lineno"> 3730</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03731"></a><span class="lineno"> 3731</span>  </div>
<div class="line"><a name="l03732"></a><span class="lineno"> 3732</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03733"></a><span class="lineno"> 3733</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03734"></a><span class="lineno"> 3734</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03735"></a><span class="lineno"> 3735</span> <span class="preprocessor"> shared (stateVecSize, stateVecReal,stateVecImag, mask, chunkId,chunkSize ) \</span></div>
<div class="line"><a name="l03736"></a><span class="lineno"> 3736</span> <span class="preprocessor"> private (index)</span></div>
<div class="line"><a name="l03737"></a><span class="lineno"> 3737</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03738"></a><span class="lineno"> 3738</span>  {</div>
<div class="line"><a name="l03739"></a><span class="lineno"> 3739</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03740"></a><span class="lineno"> 3740</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03741"></a><span class="lineno"> 3741</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03742"></a><span class="lineno"> 3742</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l03743"></a><span class="lineno"> 3743</span>  <span class="keywordflow">if</span> (mask == (mask & (index+chunkId*chunkSize)) ){</div>
<div class="line"><a name="l03744"></a><span class="lineno"> 3744</span>  stateVecReal [index] = - stateVecReal [index];</div>
<div class="line"><a name="l03745"></a><span class="lineno"> 3745</span>  stateVecImag [index] = - stateVecImag [index];</div>
<div class="line"><a name="l03746"></a><span class="lineno"> 3746</span>  }</div>
<div class="line"><a name="l03747"></a><span class="lineno"> 3747</span>  }</div>
<div class="line"><a name="l03748"></a><span class="lineno"> 3748</span>  }</div>
<div class="line"><a name="l03749"></a><span class="lineno"> 3749</span> }</div>
<div class="line"><a name="l03750"></a><span class="lineno"> 3750</span>  </div>
<div class="line"><a name="l03767"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ab02bce0ebbb8f624e8ced8b09b99cdef"> 3767</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ab02bce0ebbb8f624e8ced8b09b99cdef">statevec_collapseToKnownProbOutcomeLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> measureQubit, <span class="keywordtype">int</span> outcome, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> totalProbability)</div>
<div class="line"><a name="l03768"></a><span class="lineno"> 3768</span> {</div>
<div class="line"><a name="l03769"></a><span class="lineno"> 3769</span>  <span class="comment">// ----- sizes</span></div>
<div class="line"><a name="l03770"></a><span class="lineno"> 3770</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, <span class="comment">// size of blocks</span></div>
<div class="line"><a name="l03771"></a><span class="lineno"> 3771</span>  sizeHalfBlock; <span class="comment">// size of blocks halved</span></div>
<div class="line"><a name="l03772"></a><span class="lineno"> 3772</span>  <span class="comment">// ----- indices</span></div>
<div class="line"><a name="l03773"></a><span class="lineno"> 3773</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l03774"></a><span class="lineno"> 3774</span>  index; <span class="comment">// current index for first half block</span></div>
<div class="line"><a name="l03775"></a><span class="lineno"> 3775</span>  <span class="comment">// ----- measured probability</span></div>
<div class="line"><a name="l03776"></a><span class="lineno"> 3776</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> renorm; <span class="comment">// probability (returned) value</span></div>
<div class="line"><a name="l03777"></a><span class="lineno"> 3777</span>  <span class="comment">// ----- temp variables</span></div>
<div class="line"><a name="l03778"></a><span class="lineno"> 3778</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; <span class="comment">// task based approach for expose loop with small granularity</span></div>
<div class="line"><a name="l03779"></a><span class="lineno"> 3779</span>  <span class="comment">// (good for shared memory parallelism)</span></div>
<div class="line"><a name="l03780"></a><span class="lineno"> 3780</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>>>1;</div>
<div class="line"><a name="l03781"></a><span class="lineno"> 3781</span>  </div>
<div class="line"><a name="l03782"></a><span class="lineno"> 3782</span>  <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03783"></a><span class="lineno"> 3783</span>  <span class="comment">// dimensions //</span></div>
<div class="line"><a name="l03784"></a><span class="lineno"> 3784</span>  <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03785"></a><span class="lineno"> 3785</span>  sizeHalfBlock = 1LL << (measureQubit); <span class="comment">// number of state vector elements to sum,</span></div>
<div class="line"><a name="l03786"></a><span class="lineno"> 3786</span>  <span class="comment">// and then the number to skip</span></div>
<div class="line"><a name="l03787"></a><span class="lineno"> 3787</span>  sizeBlock = 2LL * sizeHalfBlock; <span class="comment">// size of blocks (pairs of measure and skip entries)</span></div>
<div class="line"><a name="l03788"></a><span class="lineno"> 3788</span>  </div>
<div class="line"><a name="l03789"></a><span class="lineno"> 3789</span>  renorm=1/sqrt(totalProbability);</div>
<div class="line"><a name="l03790"></a><span class="lineno"> 3790</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03791"></a><span class="lineno"> 3791</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03792"></a><span class="lineno"> 3792</span>  </div>
<div class="line"><a name="l03793"></a><span class="lineno"> 3793</span>  </div>
<div class="line"><a name="l03794"></a><span class="lineno"> 3794</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03795"></a><span class="lineno"> 3795</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03796"></a><span class="lineno"> 3796</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03797"></a><span class="lineno"> 3797</span> <span class="preprocessor"> shared (numTasks,sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag,renorm,outcome) \</span></div>
<div class="line"><a name="l03798"></a><span class="lineno"> 3798</span> <span class="preprocessor"> private (thisTask,thisBlock,index)</span></div>
<div class="line"><a name="l03799"></a><span class="lineno"> 3799</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03800"></a><span class="lineno"> 3800</span>  {</div>
<div class="line"><a name="l03801"></a><span class="lineno"> 3801</span>  <span class="keywordflow">if</span> (outcome==0){</div>
<div class="line"><a name="l03802"></a><span class="lineno"> 3802</span>  <span class="comment">// measure qubit is 0</span></div>
<div class="line"><a name="l03803"></a><span class="lineno"> 3803</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03804"></a><span class="lineno"> 3804</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03805"></a><span class="lineno"> 3805</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03806"></a><span class="lineno"> 3806</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l03807"></a><span class="lineno"> 3807</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l03808"></a><span class="lineno"> 3808</span>  index = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l03809"></a><span class="lineno"> 3809</span>  stateVecReal[index]=stateVecReal[index]*renorm;</div>
<div class="line"><a name="l03810"></a><span class="lineno"> 3810</span>  stateVecImag[index]=stateVecImag[index]*renorm;</div>
<div class="line"><a name="l03811"></a><span class="lineno"> 3811</span>  </div>
<div class="line"><a name="l03812"></a><span class="lineno"> 3812</span>  stateVecReal[index+sizeHalfBlock]=0;</div>
<div class="line"><a name="l03813"></a><span class="lineno"> 3813</span>  stateVecImag[index+sizeHalfBlock]=0;</div>
<div class="line"><a name="l03814"></a><span class="lineno"> 3814</span>  }</div>
<div class="line"><a name="l03815"></a><span class="lineno"> 3815</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l03816"></a><span class="lineno"> 3816</span>  <span class="comment">// measure qubit is 1</span></div>
<div class="line"><a name="l03817"></a><span class="lineno"> 3817</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03818"></a><span class="lineno"> 3818</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03819"></a><span class="lineno"> 3819</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03820"></a><span class="lineno"> 3820</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l03821"></a><span class="lineno"> 3821</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l03822"></a><span class="lineno"> 3822</span>  index = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l03823"></a><span class="lineno"> 3823</span>  stateVecReal[index]=0;</div>
<div class="line"><a name="l03824"></a><span class="lineno"> 3824</span>  stateVecImag[index]=0;</div>
<div class="line"><a name="l03825"></a><span class="lineno"> 3825</span>  </div>
<div class="line"><a name="l03826"></a><span class="lineno"> 3826</span>  stateVecReal[index+sizeHalfBlock]=stateVecReal[index+sizeHalfBlock]*renorm;</div>
<div class="line"><a name="l03827"></a><span class="lineno"> 3827</span>  stateVecImag[index+sizeHalfBlock]=stateVecImag[index+sizeHalfBlock]*renorm;</div>
<div class="line"><a name="l03828"></a><span class="lineno"> 3828</span>  }</div>
<div class="line"><a name="l03829"></a><span class="lineno"> 3829</span>  }</div>
<div class="line"><a name="l03830"></a><span class="lineno"> 3830</span>  }</div>
<div class="line"><a name="l03831"></a><span class="lineno"> 3831</span>  </div>
<div class="line"><a name="l03832"></a><span class="lineno"> 3832</span> }</div>
<div class="line"><a name="l03833"></a><span class="lineno"> 3833</span>  </div>
<div class="line"><a name="l03849"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ad09bb76ad67581b03ab176832cca37cf"> 3849</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ad09bb76ad67581b03ab176832cca37cf">statevec_collapseToKnownProbOutcomeDistributedRenorm</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> measureQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> totalProbability)</div>
<div class="line"><a name="l03850"></a><span class="lineno"> 3850</span> {</div>
<div class="line"><a name="l03851"></a><span class="lineno"> 3851</span>  <span class="comment">// ----- temp variables</span></div>
<div class="line"><a name="l03852"></a><span class="lineno"> 3852</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l03853"></a><span class="lineno"> 3853</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03854"></a><span class="lineno"> 3854</span>  </div>
<div class="line"><a name="l03855"></a><span class="lineno"> 3855</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> renorm=1/sqrt(totalProbability);</div>
<div class="line"><a name="l03856"></a><span class="lineno"> 3856</span>  </div>
<div class="line"><a name="l03857"></a><span class="lineno"> 3857</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03858"></a><span class="lineno"> 3858</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03859"></a><span class="lineno"> 3859</span>  </div>
<div class="line"><a name="l03860"></a><span class="lineno"> 3860</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03861"></a><span class="lineno"> 3861</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03862"></a><span class="lineno"> 3862</span> <span class="preprocessor"> shared (numTasks,stateVecReal,stateVecImag) \</span></div>
<div class="line"><a name="l03863"></a><span class="lineno"> 3863</span> <span class="preprocessor"> private (thisTask)</span></div>
<div class="line"><a name="l03864"></a><span class="lineno"> 3864</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03865"></a><span class="lineno"> 3865</span>  {</div>
<div class="line"><a name="l03866"></a><span class="lineno"> 3866</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03867"></a><span class="lineno"> 3867</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03868"></a><span class="lineno"> 3868</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03869"></a><span class="lineno"> 3869</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l03870"></a><span class="lineno"> 3870</span>  stateVecReal[thisTask] = stateVecReal[thisTask]*renorm;</div>
<div class="line"><a name="l03871"></a><span class="lineno"> 3871</span>  stateVecImag[thisTask] = stateVecImag[thisTask]*renorm;</div>
<div class="line"><a name="l03872"></a><span class="lineno"> 3872</span>  }</div>
<div class="line"><a name="l03873"></a><span class="lineno"> 3873</span>  }</div>
<div class="line"><a name="l03874"></a><span class="lineno"> 3874</span> }</div>
<div class="line"><a name="l03875"></a><span class="lineno"> 3875</span>  </div>
<div class="line"><a name="l03876"></a><span class="lineno"> 3876</span> <span class="comment">/* Set all amplitudes in one chunk to 0. </span></div>
<div class="line"><a name="l03877"></a><span class="lineno"> 3877</span> <span class="comment"> * Measure in Zero performs an irreversible change to the state vector: it updates the vector according</span></div>
<div class="line"><a name="l03878"></a><span class="lineno"> 3878</span> <span class="comment"> * to the event that a zero have been measured on the qubit indicated by measureQubit (where </span></div>
<div class="line"><a name="l03879"></a><span class="lineno"> 3879</span> <span class="comment"> * this label starts from 0, of course). It achieves this by setting all inconsistent amplitudes to 0 and </span></div>
<div class="line"><a name="l03880"></a><span class="lineno"> 3880</span> <span class="comment"> * then renormalising based on the total probability of measuring measureQubit=0 or 1.</span></div>
<div class="line"><a name="l03881"></a><span class="lineno"> 3881</span> <span class="comment"> * In the distributed version, one block (with measureQubit=0 in the first half of the block and</span></div>
<div class="line"><a name="l03882"></a><span class="lineno"> 3882</span> <span class="comment"> * measureQubit=1 in the second half of the block) is spread over multiple chunks, meaning that each chunks performs</span></div>
<div class="line"><a name="l03883"></a><span class="lineno"> 3883</span> <span class="comment"> * only renormalisation or only setting amplitudes to 0. This function handles setting amplitudes to 0.</span></div>
<div class="line"><a name="l03884"></a><span class="lineno"> 3884</span> <span class="comment"> *</span></div>
<div class="line"><a name="l03885"></a><span class="lineno"> 3885</span> <span class="comment"> * @param[in,out] qureg object representing the set of qubits</span></div>
<div class="line"><a name="l03886"></a><span class="lineno"> 3886</span> <span class="comment"> */</span></div>
<div class="line"><a name="l03887"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a7ea68e9132ed9db9c242353a33dba2f0"> 3887</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a7ea68e9132ed9db9c242353a33dba2f0">statevec_collapseToOutcomeDistributedSetZero</a>(<a class="code" href="structQureg.html">Qureg</a> qureg)</div>
<div class="line"><a name="l03888"></a><span class="lineno"> 3888</span> {</div>
<div class="line"><a name="l03889"></a><span class="lineno"> 3889</span>  <span class="comment">// ----- temp variables</span></div>
<div class="line"><a name="l03890"></a><span class="lineno"> 3890</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l03891"></a><span class="lineno"> 3891</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks=qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03892"></a><span class="lineno"> 3892</span>  </div>
<div class="line"><a name="l03893"></a><span class="lineno"> 3893</span>  <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03894"></a><span class="lineno"> 3894</span>  <span class="comment">// find probability //</span></div>
<div class="line"><a name="l03895"></a><span class="lineno"> 3895</span>  <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03896"></a><span class="lineno"> 3896</span>  </div>
<div class="line"><a name="l03897"></a><span class="lineno"> 3897</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03898"></a><span class="lineno"> 3898</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03899"></a><span class="lineno"> 3899</span>  </div>
<div class="line"><a name="l03900"></a><span class="lineno"> 3900</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03901"></a><span class="lineno"> 3901</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03902"></a><span class="lineno"> 3902</span> <span class="preprocessor"> shared (numTasks,stateVecReal,stateVecImag) \</span></div>
<div class="line"><a name="l03903"></a><span class="lineno"> 3903</span> <span class="preprocessor"> private (thisTask)</span></div>
<div class="line"><a name="l03904"></a><span class="lineno"> 3904</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03905"></a><span class="lineno"> 3905</span>  {</div>
<div class="line"><a name="l03906"></a><span class="lineno"> 3906</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03907"></a><span class="lineno"> 3907</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03908"></a><span class="lineno"> 3908</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03909"></a><span class="lineno"> 3909</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l03910"></a><span class="lineno"> 3910</span>  stateVecReal[thisTask] = 0;</div>
<div class="line"><a name="l03911"></a><span class="lineno"> 3911</span>  stateVecImag[thisTask] = 0;</div>
<div class="line"><a name="l03912"></a><span class="lineno"> 3912</span>  }</div>
<div class="line"><a name="l03913"></a><span class="lineno"> 3913</span>  }</div>
<div class="line"><a name="l03914"></a><span class="lineno"> 3914</span> }</div>
<div class="line"><a name="l03915"></a><span class="lineno"> 3915</span>  </div>
<div class="line"><a name="l03922"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ab5b51a28caa8792a3f0c637409a694b0"> 3922</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ab5b51a28caa8792a3f0c637409a694b0">statevec_swapQubitAmpsLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> qb1, <span class="keywordtype">int</span> qb2) {</div>
<div class="line"><a name="l03923"></a><span class="lineno"> 3923</span>  </div>
<div class="line"><a name="l03924"></a><span class="lineno"> 3924</span>  <span class="comment">// can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l03925"></a><span class="lineno"> 3925</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *reVec = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03926"></a><span class="lineno"> 3926</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *imVec = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03927"></a><span class="lineno"> 3927</span>  </div>
<div class="line"><a name="l03928"></a><span class="lineno"> 3928</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numTasks = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a> >> 2; <span class="comment">// each iteration updates 2 amps and skips 2 amps</span></div>
<div class="line"><a name="l03929"></a><span class="lineno"> 3929</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l03930"></a><span class="lineno"> 3930</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ind00, ind01, ind10;</div>
<div class="line"><a name="l03931"></a><span class="lineno"> 3931</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> re01, re10;</div>
<div class="line"><a name="l03932"></a><span class="lineno"> 3932</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> im01, im10;</div>
<div class="line"><a name="l03933"></a><span class="lineno"> 3933</span>  </div>
<div class="line"><a name="l03934"></a><span class="lineno"> 3934</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03935"></a><span class="lineno"> 3935</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03936"></a><span class="lineno"> 3936</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03937"></a><span class="lineno"> 3937</span> <span class="preprocessor"> shared (reVec,imVec,numTasks,qb1,qb2) \</span></div>
<div class="line"><a name="l03938"></a><span class="lineno"> 3938</span> <span class="preprocessor"> private (thisTask, ind00,ind01,ind10, re01,re10, im01,im10) </span></div>
<div class="line"><a name="l03939"></a><span class="lineno"> 3939</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03940"></a><span class="lineno"> 3940</span>  {</div>
<div class="line"><a name="l03941"></a><span class="lineno"> 3941</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03942"></a><span class="lineno"> 3942</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03943"></a><span class="lineno"> 3943</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03944"></a><span class="lineno"> 3944</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) { </div>
<div class="line"><a name="l03945"></a><span class="lineno"> 3945</span>  <span class="comment">// determine ind00 of |..0..0..>, |..0..1..> and |..1..0..></span></div>
<div class="line"><a name="l03946"></a><span class="lineno"> 3946</span>  ind00 = <a class="code" href="QuEST__gpu_8cu.html#a4760109974e9b52c60e9d60ccded3138">insertTwoZeroBits</a>(thisTask, qb1, qb2);</div>
<div class="line"><a name="l03947"></a><span class="lineno"> 3947</span>  ind01 = <a class="code" href="QuEST__gpu_8cu.html#ae1b7788cf504ec3d79de3855f97929c7">flipBit</a>(ind00, qb1);</div>
<div class="line"><a name="l03948"></a><span class="lineno"> 3948</span>  ind10 = <a class="code" href="QuEST__gpu_8cu.html#ae1b7788cf504ec3d79de3855f97929c7">flipBit</a>(ind00, qb2);</div>
<div class="line"><a name="l03949"></a><span class="lineno"> 3949</span>  </div>
<div class="line"><a name="l03950"></a><span class="lineno"> 3950</span>  <span class="comment">// extract statevec amplitudes </span></div>
<div class="line"><a name="l03951"></a><span class="lineno"> 3951</span>  re01 = reVec[ind01]; im01 = imVec[ind01];</div>
<div class="line"><a name="l03952"></a><span class="lineno"> 3952</span>  re10 = reVec[ind10]; im10 = imVec[ind10];</div>
<div class="line"><a name="l03953"></a><span class="lineno"> 3953</span>  </div>
<div class="line"><a name="l03954"></a><span class="lineno"> 3954</span>  <span class="comment">// swap 01 and 10 amps</span></div>
<div class="line"><a name="l03955"></a><span class="lineno"> 3955</span>  reVec[ind01] = re10; reVec[ind10] = re01;</div>
<div class="line"><a name="l03956"></a><span class="lineno"> 3956</span>  imVec[ind01] = im10; imVec[ind10] = im01;</div>
<div class="line"><a name="l03957"></a><span class="lineno"> 3957</span>  }</div>
<div class="line"><a name="l03958"></a><span class="lineno"> 3958</span>  }</div>
<div class="line"><a name="l03959"></a><span class="lineno"> 3959</span> }</div>
<div class="line"><a name="l03960"></a><span class="lineno"> 3960</span>  </div>
<div class="line"><a name="l03965"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#abe74a5a9db8340e37b80fbc77338894d"> 3965</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#abe74a5a9db8340e37b80fbc77338894d">statevec_swapQubitAmpsDistributed</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span> pairRank, <span class="keywordtype">int</span> qb1, <span class="keywordtype">int</span> qb2) {</div>
<div class="line"><a name="l03966"></a><span class="lineno"> 3966</span>  </div>
<div class="line"><a name="l03967"></a><span class="lineno"> 3967</span>  <span class="comment">// can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l03968"></a><span class="lineno"> 3968</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *reVec = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l03969"></a><span class="lineno"> 3969</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *imVec = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l03970"></a><span class="lineno"> 3970</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *rePairVec = qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real;</div>
<div class="line"><a name="l03971"></a><span class="lineno"> 3971</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *imPairVec = qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag;</div>
<div class="line"><a name="l03972"></a><span class="lineno"> 3972</span>  </div>
<div class="line"><a name="l03973"></a><span class="lineno"> 3973</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numLocalAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03974"></a><span class="lineno"> 3974</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> globalStartInd = qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> * numLocalAmps;</div>
<div class="line"><a name="l03975"></a><span class="lineno"> 3975</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> pairGlobalStartInd = pairRank * numLocalAmps;</div>
<div class="line"><a name="l03976"></a><span class="lineno"> 3976</span>  </div>
<div class="line"><a name="l03977"></a><span class="lineno"> 3977</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localInd, globalInd;</div>
<div class="line"><a name="l03978"></a><span class="lineno"> 3978</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> pairLocalInd, pairGlobalInd;</div>
<div class="line"><a name="l03979"></a><span class="lineno"> 3979</span>  </div>
<div class="line"><a name="l03980"></a><span class="lineno"> 3980</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03981"></a><span class="lineno"> 3981</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03982"></a><span class="lineno"> 3982</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03983"></a><span class="lineno"> 3983</span> <span class="preprocessor"> shared (reVec,imVec,rePairVec,imPairVec,numLocalAmps,globalStartInd,pairGlobalStartInd,qb1,qb2) \</span></div>
<div class="line"><a name="l03984"></a><span class="lineno"> 3984</span> <span class="preprocessor"> private (localInd,globalInd, pairLocalInd,pairGlobalInd) </span></div>
<div class="line"><a name="l03985"></a><span class="lineno"> 3985</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03986"></a><span class="lineno"> 3986</span>  {</div>
<div class="line"><a name="l03987"></a><span class="lineno"> 3987</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03988"></a><span class="lineno"> 3988</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03989"></a><span class="lineno"> 3989</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03990"></a><span class="lineno"> 3990</span>  <span class="keywordflow">for</span> (localInd=0; localInd < numLocalAmps; localInd++) { </div>
<div class="line"><a name="l03991"></a><span class="lineno"> 3991</span>  </div>
<div class="line"><a name="l03992"></a><span class="lineno"> 3992</span>  globalInd = globalStartInd + localInd;</div>
<div class="line"><a name="l03993"></a><span class="lineno"> 3993</span>  <span class="keywordflow">if</span> (<a class="code" href="QuEST__cpu__internal_8h.html#a0e4eb651e7cb309bcd664b89ac9a2242">isOddParity</a>(globalInd, qb1, qb2)) {</div>
<div class="line"><a name="l03994"></a><span class="lineno"> 3994</span>  </div>
<div class="line"><a name="l03995"></a><span class="lineno"> 3995</span>  pairGlobalInd = <a class="code" href="QuEST__gpu_8cu.html#ae1b7788cf504ec3d79de3855f97929c7">flipBit</a>(<a class="code" href="QuEST__gpu_8cu.html#ae1b7788cf504ec3d79de3855f97929c7">flipBit</a>(globalInd, qb1), qb2);</div>
<div class="line"><a name="l03996"></a><span class="lineno"> 3996</span>  pairLocalInd = pairGlobalInd - pairGlobalStartInd;</div>
<div class="line"><a name="l03997"></a><span class="lineno"> 3997</span>  </div>
<div class="line"><a name="l03998"></a><span class="lineno"> 3998</span>  reVec[localInd] = rePairVec[pairLocalInd];</div>
<div class="line"><a name="l03999"></a><span class="lineno"> 3999</span>  imVec[localInd] = imPairVec[pairLocalInd];</div>
<div class="line"><a name="l04000"></a><span class="lineno"> 4000</span>  }</div>
<div class="line"><a name="l04001"></a><span class="lineno"> 4001</span>  }</div>
<div class="line"><a name="l04002"></a><span class="lineno"> 4002</span>  }</div>
<div class="line"><a name="l04003"></a><span class="lineno"> 4003</span> }</div>
<div class="line"><a name="l04004"></a><span class="lineno"> 4004</span>  </div>
<div class="line"><a name="l04005"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ad64a23933361fafc1b6b1787759c2663"> 4005</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ad64a23933361fafc1b6b1787759c2663">statevec_setWeightedQureg</a>(<a class="code" href="structComplex.html">Complex</a> fac1, <a class="code" href="structQureg.html">Qureg</a> qureg1, <a class="code" href="structComplex.html">Complex</a> fac2, <a class="code" href="structQureg.html">Qureg</a> qureg2, <a class="code" href="structComplex.html">Complex</a> facOut, <a class="code" href="structQureg.html">Qureg</a> out) {</div>
<div class="line"><a name="l04006"></a><span class="lineno"> 4006</span>  </div>
<div class="line"><a name="l04007"></a><span class="lineno"> 4007</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = qureg1.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l04008"></a><span class="lineno"> 4008</span>  </div>
<div class="line"><a name="l04009"></a><span class="lineno"> 4009</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *vecRe1 = qureg1.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l04010"></a><span class="lineno"> 4010</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *vecIm1 = qureg1.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l04011"></a><span class="lineno"> 4011</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *vecRe2 = qureg2.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l04012"></a><span class="lineno"> 4012</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *vecIm2 = qureg2.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l04013"></a><span class="lineno"> 4013</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *vecReOut = out.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l04014"></a><span class="lineno"> 4014</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *vecImOut = out.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l04015"></a><span class="lineno"> 4015</span>  </div>
<div class="line"><a name="l04016"></a><span class="lineno"> 4016</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> facRe1 = fac1.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>; </div>
<div class="line"><a name="l04017"></a><span class="lineno"> 4017</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> facIm1 = fac1.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l04018"></a><span class="lineno"> 4018</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> facRe2 = fac2.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>;</div>
<div class="line"><a name="l04019"></a><span class="lineno"> 4019</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> facIm2 = fac2.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l04020"></a><span class="lineno"> 4020</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> facReOut = facOut.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a>;</div>
<div class="line"><a name="l04021"></a><span class="lineno"> 4021</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> facImOut = facOut.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a>;</div>
<div class="line"><a name="l04022"></a><span class="lineno"> 4022</span>  </div>
<div class="line"><a name="l04023"></a><span class="lineno"> 4023</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> re1,im1, re2,im2, reOut,imOut;</div>
<div class="line"><a name="l04024"></a><span class="lineno"> 4024</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l04025"></a><span class="lineno"> 4025</span>  </div>
<div class="line"><a name="l04026"></a><span class="lineno"> 4026</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l04027"></a><span class="lineno"> 4027</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l04028"></a><span class="lineno"> 4028</span> <span class="preprocessor"> shared (vecRe1,vecIm1, vecRe2,vecIm2, vecReOut,vecImOut, facRe1,facIm1,facRe2,facIm2, numAmps) \</span></div>
<div class="line"><a name="l04029"></a><span class="lineno"> 4029</span> <span class="preprocessor"> private (index, re1,im1, re2,im2, reOut,imOut)</span></div>
<div class="line"><a name="l04030"></a><span class="lineno"> 4030</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l04031"></a><span class="lineno"> 4031</span>  {</div>
<div class="line"><a name="l04032"></a><span class="lineno"> 4032</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l04033"></a><span class="lineno"> 4033</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l04034"></a><span class="lineno"> 4034</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l04035"></a><span class="lineno"> 4035</span>  <span class="keywordflow">for</span> (index=0LL; index<numAmps; index++) {</div>
<div class="line"><a name="l04036"></a><span class="lineno"> 4036</span>  re1 = vecRe1[index]; im1 = vecIm1[index];</div>
<div class="line"><a name="l04037"></a><span class="lineno"> 4037</span>  re2 = vecRe2[index]; im2 = vecIm2[index];</div>
<div class="line"><a name="l04038"></a><span class="lineno"> 4038</span>  reOut = vecReOut[index];</div>
<div class="line"><a name="l04039"></a><span class="lineno"> 4039</span>  imOut = vecImOut[index];</div>
<div class="line"><a name="l04040"></a><span class="lineno"> 4040</span>  </div>
<div class="line"><a name="l04041"></a><span class="lineno"> 4041</span>  vecReOut[index] = (facReOut*reOut - facImOut*imOut) + (facRe1*re1 - facIm1*im1) + (facRe2*re2 - facIm2*im2);</div>
<div class="line"><a name="l04042"></a><span class="lineno"> 4042</span>  vecImOut[index] = (facReOut*imOut + facImOut*reOut) + (facRe1*im1 + facIm1*re1) + (facRe2*im2 + facIm2*re2);</div>
<div class="line"><a name="l04043"></a><span class="lineno"> 4043</span>  }</div>
<div class="line"><a name="l04044"></a><span class="lineno"> 4044</span>  }</div>
<div class="line"><a name="l04045"></a><span class="lineno"> 4045</span> }</div>
<div class="line"><a name="l04046"></a><span class="lineno"> 4046</span>  </div>
<div class="line"><a name="l04047"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a27294e3065ebe42a65b3b9e0f85551dd"> 4047</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a27294e3065ebe42a65b3b9e0f85551dd">statevec_applyDiagonalOp</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <a class="code" href="structDiagonalOp.html">DiagonalOp</a> op) {</div>
<div class="line"><a name="l04048"></a><span class="lineno"> 4048</span>  </div>
<div class="line"><a name="l04049"></a><span class="lineno"> 4049</span>  <span class="comment">// each node/chunk modifies only its values in an embarrassingly parallelisable way</span></div>
<div class="line"><a name="l04050"></a><span class="lineno"> 4050</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l04051"></a><span class="lineno"> 4051</span>  </div>
<div class="line"><a name="l04052"></a><span class="lineno"> 4052</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateRe = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l04053"></a><span class="lineno"> 4053</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateIm = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l04054"></a><span class="lineno"> 4054</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* opRe = op.<a class="code" href="structDiagonalOp.html#a1d66088bed235d524cd452b107694d5c">real</a>;</div>
<div class="line"><a name="l04055"></a><span class="lineno"> 4055</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* opIm = op.<a class="code" href="structDiagonalOp.html#a85c3f52533efe831bbe40b9a48602388">imag</a>;</div>
<div class="line"><a name="l04056"></a><span class="lineno"> 4056</span>  </div>
<div class="line"><a name="l04057"></a><span class="lineno"> 4057</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> a,b,c,d;</div>
<div class="line"><a name="l04058"></a><span class="lineno"> 4058</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l04059"></a><span class="lineno"> 4059</span>  </div>
<div class="line"><a name="l04060"></a><span class="lineno"> 4060</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l04061"></a><span class="lineno"> 4061</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l04062"></a><span class="lineno"> 4062</span> <span class="preprocessor"> shared (stateRe,stateIm, opRe,opIm, numAmps) \</span></div>
<div class="line"><a name="l04063"></a><span class="lineno"> 4063</span> <span class="preprocessor"> private (index, a,b,c,d)</span></div>
<div class="line"><a name="l04064"></a><span class="lineno"> 4064</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l04065"></a><span class="lineno"> 4065</span>  {</div>
<div class="line"><a name="l04066"></a><span class="lineno"> 4066</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l04067"></a><span class="lineno"> 4067</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l04068"></a><span class="lineno"> 4068</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l04069"></a><span class="lineno"> 4069</span>  <span class="keywordflow">for</span> (index=0LL; index<numAmps; index++) {</div>
<div class="line"><a name="l04070"></a><span class="lineno"> 4070</span>  a = stateRe[index];</div>
<div class="line"><a name="l04071"></a><span class="lineno"> 4071</span>  b = stateIm[index];</div>
<div class="line"><a name="l04072"></a><span class="lineno"> 4072</span>  c = opRe[index];</div>
<div class="line"><a name="l04073"></a><span class="lineno"> 4073</span>  d = opIm[index];</div>
<div class="line"><a name="l04074"></a><span class="lineno"> 4074</span>  </div>
<div class="line"><a name="l04075"></a><span class="lineno"> 4075</span>  <span class="comment">// (a + b i)(c + d i) = (a c - b d) + i (a d + b c)</span></div>
<div class="line"><a name="l04076"></a><span class="lineno"> 4076</span>  stateRe[index] = a*c - b*d;</div>
<div class="line"><a name="l04077"></a><span class="lineno"> 4077</span>  stateIm[index] = a*d + b*c;</div>
<div class="line"><a name="l04078"></a><span class="lineno"> 4078</span>  }</div>
<div class="line"><a name="l04079"></a><span class="lineno"> 4079</span>  }</div>
<div class="line"><a name="l04080"></a><span class="lineno"> 4080</span> }</div>
<div class="line"><a name="l04081"></a><span class="lineno"> 4081</span>  </div>
<div class="line"><a name="l04082"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#afa58cf7cb98a25ab33621120c5c330d0"> 4082</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#afa58cf7cb98a25ab33621120c5c330d0">densmatr_applyDiagonalOpLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <a class="code" href="structDiagonalOp.html">DiagonalOp</a> op) {</div>
<div class="line"><a name="l04083"></a><span class="lineno"> 4083</span>  </div>
<div class="line"><a name="l04084"></a><span class="lineno"> 4084</span>  <span class="comment">/* ALL values of op are pre-loaded into qureg.pairStateVector (on every node).</span></div>
<div class="line"><a name="l04085"></a><span class="lineno"> 4085</span> <span class="comment"> * Furthermore, since it's gauranteed each node contains an integer number of </span></div>
<div class="line"><a name="l04086"></a><span class="lineno"> 4086</span> <span class="comment"> * columns of qureg (because op upperlimits the number of nodes; 1 per element),</span></div>
<div class="line"><a name="l04087"></a><span class="lineno"> 4087</span> <span class="comment"> * then we know iteration below begins at the 'top' of a column, and there is </span></div>
<div class="line"><a name="l04088"></a><span class="lineno"> 4088</span> <span class="comment"> * no offset for op (pairStateVector)</span></div>
<div class="line"><a name="l04089"></a><span class="lineno"> 4089</span> <span class="comment"> */</span></div>
<div class="line"><a name="l04090"></a><span class="lineno"> 4090</span>  </div>
<div class="line"><a name="l04091"></a><span class="lineno"> 4091</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l04092"></a><span class="lineno"> 4092</span>  <span class="keywordtype">int</span> opDim = (1 << op.<a class="code" href="structDiagonalOp.html#a5131eeb67aafb4c19ac98270c3266742">numQubits</a>);</div>
<div class="line"><a name="l04093"></a><span class="lineno"> 4093</span>  </div>
<div class="line"><a name="l04094"></a><span class="lineno"> 4094</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateRe = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l04095"></a><span class="lineno"> 4095</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateIm = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l04096"></a><span class="lineno"> 4096</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* opRe = qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real;</div>
<div class="line"><a name="l04097"></a><span class="lineno"> 4097</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* opIm = qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag;</div>
<div class="line"><a name="l04098"></a><span class="lineno"> 4098</span>  </div>
<div class="line"><a name="l04099"></a><span class="lineno"> 4099</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> a,b,c,d;</div>
<div class="line"><a name="l04100"></a><span class="lineno"> 4100</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l04101"></a><span class="lineno"> 4101</span>  </div>
<div class="line"><a name="l04102"></a><span class="lineno"> 4102</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l04103"></a><span class="lineno"> 4103</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l04104"></a><span class="lineno"> 4104</span> <span class="preprocessor"> shared (stateRe,stateIm, opRe,opIm, numAmps,opDim) \</span></div>
<div class="line"><a name="l04105"></a><span class="lineno"> 4105</span> <span class="preprocessor"> private (index, a,b,c,d)</span></div>
<div class="line"><a name="l04106"></a><span class="lineno"> 4106</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l04107"></a><span class="lineno"> 4107</span>  {</div>
<div class="line"><a name="l04108"></a><span class="lineno"> 4108</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l04109"></a><span class="lineno"> 4109</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l04110"></a><span class="lineno"> 4110</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l04111"></a><span class="lineno"> 4111</span>  <span class="keywordflow">for</span> (index=0LL; index<numAmps; index++) {</div>
<div class="line"><a name="l04112"></a><span class="lineno"> 4112</span>  a = stateRe[index];</div>
<div class="line"><a name="l04113"></a><span class="lineno"> 4113</span>  b = stateIm[index];</div>
<div class="line"><a name="l04114"></a><span class="lineno"> 4114</span>  c = opRe[index % opDim];</div>
<div class="line"><a name="l04115"></a><span class="lineno"> 4115</span>  d = opIm[index % opDim];</div>
<div class="line"><a name="l04116"></a><span class="lineno"> 4116</span>  </div>
<div class="line"><a name="l04117"></a><span class="lineno"> 4117</span>  <span class="comment">// (a + b i)(c + d i) = (a c - b d) + i (a d + b c)</span></div>
<div class="line"><a name="l04118"></a><span class="lineno"> 4118</span>  stateRe[index] = a*c - b*d;</div>
<div class="line"><a name="l04119"></a><span class="lineno"> 4119</span>  stateIm[index] = a*d + b*c;</div>
<div class="line"><a name="l04120"></a><span class="lineno"> 4120</span>  }</div>
<div class="line"><a name="l04121"></a><span class="lineno"> 4121</span>  }</div>
<div class="line"><a name="l04122"></a><span class="lineno"> 4122</span> }</div>
<div class="line"><a name="l04123"></a><span class="lineno"> 4123</span>  </div>
<div class="line"><a name="l04124"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a16ccb485bcffb328bbd5b2af6977cead"> 4124</a></span> <a class="code" href="structComplex.html">Complex</a> <a class="code" href="QuEST__cpu_8c.html#a16ccb485bcffb328bbd5b2af6977cead">statevec_calcExpecDiagonalOpLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <a class="code" href="structDiagonalOp.html">DiagonalOp</a> op) {</div>
<div class="line"><a name="l04125"></a><span class="lineno"> 4125</span>  </div>
<div class="line"><a name="l04126"></a><span class="lineno"> 4126</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> expecRe = 0;</div>
<div class="line"><a name="l04127"></a><span class="lineno"> 4127</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> expecIm = 0;</div>
<div class="line"><a name="l04128"></a><span class="lineno"> 4128</span>  </div>
<div class="line"><a name="l04129"></a><span class="lineno"> 4129</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l04130"></a><span class="lineno"> 4130</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l04131"></a><span class="lineno"> 4131</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l04132"></a><span class="lineno"> 4132</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l04133"></a><span class="lineno"> 4133</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *opReal = op.<a class="code" href="structDiagonalOp.html#a1d66088bed235d524cd452b107694d5c">real</a>;</div>
<div class="line"><a name="l04134"></a><span class="lineno"> 4134</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *opImag = op.<a class="code" href="structDiagonalOp.html#a85c3f52533efe831bbe40b9a48602388">imag</a>;</div>
<div class="line"><a name="l04135"></a><span class="lineno"> 4135</span>  </div>
<div class="line"><a name="l04136"></a><span class="lineno"> 4136</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> vecRe,vecIm,vecAbs, opRe, opIm;</div>
<div class="line"><a name="l04137"></a><span class="lineno"> 4137</span>  </div>
<div class="line"><a name="l04138"></a><span class="lineno"> 4138</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l04139"></a><span class="lineno"> 4139</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l04140"></a><span class="lineno"> 4140</span> <span class="preprocessor"> shared (stateReal, stateImag, opReal, opImag, numAmps) \</span></div>
<div class="line"><a name="l04141"></a><span class="lineno"> 4141</span> <span class="preprocessor"> private (index, vecRe,vecIm,vecAbs, opRe,opIm) \</span></div>
<div class="line"><a name="l04142"></a><span class="lineno"> 4142</span> <span class="preprocessor"> reduction ( +:expecRe, expecIm )</span></div>
<div class="line"><a name="l04143"></a><span class="lineno"> 4143</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l04144"></a><span class="lineno"> 4144</span>  {</div>
<div class="line"><a name="l04145"></a><span class="lineno"> 4145</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l04146"></a><span class="lineno"> 4146</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l04147"></a><span class="lineno"> 4147</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l04148"></a><span class="lineno"> 4148</span>  <span class="keywordflow">for</span> (index=0; index < numAmps; index++) {</div>
<div class="line"><a name="l04149"></a><span class="lineno"> 4149</span>  vecRe = stateReal[index];</div>
<div class="line"><a name="l04150"></a><span class="lineno"> 4150</span>  vecIm = stateImag[index];</div>
<div class="line"><a name="l04151"></a><span class="lineno"> 4151</span>  opRe = opReal[index];</div>
<div class="line"><a name="l04152"></a><span class="lineno"> 4152</span>  opIm = opImag[index];</div>
<div class="line"><a name="l04153"></a><span class="lineno"> 4153</span>  </div>
<div class="line"><a name="l04154"></a><span class="lineno"> 4154</span>  <span class="comment">// abs(vec)^2 op</span></div>
<div class="line"><a name="l04155"></a><span class="lineno"> 4155</span>  vecAbs = vecRe*vecRe + vecIm*vecIm;</div>
<div class="line"><a name="l04156"></a><span class="lineno"> 4156</span>  expecRe += vecAbs*opRe;</div>
<div class="line"><a name="l04157"></a><span class="lineno"> 4157</span>  expecIm += vecAbs*opIm;</div>
<div class="line"><a name="l04158"></a><span class="lineno"> 4158</span>  }</div>
<div class="line"><a name="l04159"></a><span class="lineno"> 4159</span>  }</div>
<div class="line"><a name="l04160"></a><span class="lineno"> 4160</span>  </div>
<div class="line"><a name="l04161"></a><span class="lineno"> 4161</span>  <a class="code" href="structComplex.html">Complex</a> innerProd;</div>
<div class="line"><a name="l04162"></a><span class="lineno"> 4162</span>  innerProd.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a> = expecRe;</div>
<div class="line"><a name="l04163"></a><span class="lineno"> 4163</span>  innerProd.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a> = expecIm;</div>
<div class="line"><a name="l04164"></a><span class="lineno"> 4164</span>  <span class="keywordflow">return</span> innerProd;</div>
<div class="line"><a name="l04165"></a><span class="lineno"> 4165</span> }</div>
<div class="line"><a name="l04166"></a><span class="lineno"> 4166</span>  </div>
<div class="line"><a name="l04167"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#aeb4453a2e609e5359d2995bccf6663ca"> 4167</a></span> <a class="code" href="structComplex.html">Complex</a> <a class="code" href="QuEST__cpu_8c.html#aeb4453a2e609e5359d2995bccf6663ca">densmatr_calcExpecDiagonalOpLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <a class="code" href="structDiagonalOp.html">DiagonalOp</a> op) {</div>
<div class="line"><a name="l04168"></a><span class="lineno"> 4168</span>  </div>
<div class="line"><a name="l04169"></a><span class="lineno"> 4169</span>  <span class="comment">/* since for every 1 element in \p op, there exists a column in \p qureg, </span></div>
<div class="line"><a name="l04170"></a><span class="lineno"> 4170</span> <span class="comment"> * we know that the elements in \p op live on the same node as the </span></div>
<div class="line"><a name="l04171"></a><span class="lineno"> 4171</span> <span class="comment"> * corresponding diagonal elements of \p qureg. This means, the problem is </span></div>
<div class="line"><a name="l04172"></a><span class="lineno"> 4172</span> <span class="comment"> * embarrassingly parallelisable, and the code below works for both </span></div>
<div class="line"><a name="l04173"></a><span class="lineno"> 4173</span> <span class="comment"> * serial and distributed modes.</span></div>
<div class="line"><a name="l04174"></a><span class="lineno"> 4174</span> <span class="comment"> */</span></div>
<div class="line"><a name="l04175"></a><span class="lineno"> 4175</span>  </div>
<div class="line"><a name="l04176"></a><span class="lineno"> 4176</span>  <span class="comment">// computes first local index containing a diagonal element</span></div>
<div class="line"><a name="l04177"></a><span class="lineno"> 4177</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> diagSpacing = 1LL + (1LL << qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>);</div>
<div class="line"><a name="l04178"></a><span class="lineno"> 4178</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numPrevDiags = (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>>0)? 1+(qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>*qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>)/diagSpacing : 0;</div>
<div class="line"><a name="l04179"></a><span class="lineno"> 4179</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> globalIndNextDiag = diagSpacing * numPrevDiags;</div>
<div class="line"><a name="l04180"></a><span class="lineno"> 4180</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localIndNextDiag = globalIndNextDiag % qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l04181"></a><span class="lineno"> 4181</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l04182"></a><span class="lineno"> 4182</span>  </div>
<div class="line"><a name="l04183"></a><span class="lineno"> 4183</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateReal = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l04184"></a><span class="lineno"> 4184</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateImag = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l04185"></a><span class="lineno"> 4185</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* opReal = op.<a class="code" href="structDiagonalOp.html#a1d66088bed235d524cd452b107694d5c">real</a>;</div>
<div class="line"><a name="l04186"></a><span class="lineno"> 4186</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* opImag = op.<a class="code" href="structDiagonalOp.html#a85c3f52533efe831bbe40b9a48602388">imag</a>;</div>
<div class="line"><a name="l04187"></a><span class="lineno"> 4187</span>  </div>
<div class="line"><a name="l04188"></a><span class="lineno"> 4188</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> expecRe = 0;</div>
<div class="line"><a name="l04189"></a><span class="lineno"> 4189</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> expecIm = 0;</div>
<div class="line"><a name="l04190"></a><span class="lineno"> 4190</span>  </div>
<div class="line"><a name="l04191"></a><span class="lineno"> 4191</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateInd;</div>
<div class="line"><a name="l04192"></a><span class="lineno"> 4192</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> opInd;</div>
<div class="line"><a name="l04193"></a><span class="lineno"> 4193</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> matRe, matIm, opRe, opIm;</div>
<div class="line"><a name="l04194"></a><span class="lineno"> 4194</span>  </div>
<div class="line"><a name="l04195"></a><span class="lineno"> 4195</span>  <span class="comment">// visits every diagonal element with global index (2^n + 1)i for i in [0, 2^n-1]</span></div>
<div class="line"><a name="l04196"></a><span class="lineno"> 4196</span>  </div>
<div class="line"><a name="l04197"></a><span class="lineno"> 4197</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l04198"></a><span class="lineno"> 4198</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l04199"></a><span class="lineno"> 4199</span> <span class="preprocessor"> shared (stateReal,stateImag, opReal,opImag, localIndNextDiag,diagSpacing,numAmps) \</span></div>
<div class="line"><a name="l04200"></a><span class="lineno"> 4200</span> <span class="preprocessor"> private (stateInd,opInd, matRe,matIm, opRe,opIm) \</span></div>
<div class="line"><a name="l04201"></a><span class="lineno"> 4201</span> <span class="preprocessor"> reduction ( +:expecRe, expecIm )</span></div>
<div class="line"><a name="l04202"></a><span class="lineno"> 4202</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l04203"></a><span class="lineno"> 4203</span>  {</div>
<div class="line"><a name="l04204"></a><span class="lineno"> 4204</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l04205"></a><span class="lineno"> 4205</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l04206"></a><span class="lineno"> 4206</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l04207"></a><span class="lineno"> 4207</span>  <span class="keywordflow">for</span> (stateInd=localIndNextDiag; stateInd < numAmps; stateInd += diagSpacing) {</div>
<div class="line"><a name="l04208"></a><span class="lineno"> 4208</span>  </div>
<div class="line"><a name="l04209"></a><span class="lineno"> 4209</span>  matRe = stateReal[stateInd];</div>
<div class="line"><a name="l04210"></a><span class="lineno"> 4210</span>  matIm = stateImag[stateInd];</div>
<div class="line"><a name="l04211"></a><span class="lineno"> 4211</span>  opInd = (stateInd - localIndNextDiag) / diagSpacing;</div>
<div class="line"><a name="l04212"></a><span class="lineno"> 4212</span>  opRe = opReal[opInd];</div>
<div class="line"><a name="l04213"></a><span class="lineno"> 4213</span>  opIm = opImag[opInd];</div>
<div class="line"><a name="l04214"></a><span class="lineno"> 4214</span>  </div>
<div class="line"><a name="l04215"></a><span class="lineno"> 4215</span>  <span class="comment">// (matRe + matIm i)(opRe + opIm i) = </span></div>
<div class="line"><a name="l04216"></a><span class="lineno"> 4216</span>  <span class="comment">// (matRe opRe - matIm opIm) + i (matRe opIm + matIm opRe)</span></div>
<div class="line"><a name="l04217"></a><span class="lineno"> 4217</span>  expecRe += matRe * opRe - matIm * opIm;</div>
<div class="line"><a name="l04218"></a><span class="lineno"> 4218</span>  expecIm += matRe * opIm + matIm * opRe;</div>
<div class="line"><a name="l04219"></a><span class="lineno"> 4219</span>  }</div>
<div class="line"><a name="l04220"></a><span class="lineno"> 4220</span>  }</div>
<div class="line"><a name="l04221"></a><span class="lineno"> 4221</span>  </div>
<div class="line"><a name="l04222"></a><span class="lineno"> 4222</span>  <a class="code" href="structComplex.html">Complex</a> expecVal;</div>
<div class="line"><a name="l04223"></a><span class="lineno"> 4223</span>  expecVal.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a> = expecRe;</div>
<div class="line"><a name="l04224"></a><span class="lineno"> 4224</span>  expecVal.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a> = expecIm;</div>
<div class="line"><a name="l04225"></a><span class="lineno"> 4225</span>  <span class="keywordflow">return</span> expecVal;</div>
<div class="line"><a name="l04226"></a><span class="lineno"> 4226</span> }</div>
<div class="line"><a name="l04227"></a><span class="lineno"> 4227</span>  </div>
<div class="line"><a name="l04228"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ab58d6d599c7a729255b1f8eeded663f3"> 4228</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ab58d6d599c7a729255b1f8eeded663f3">agnostic_setDiagonalOpElems</a>(<a class="code" href="structDiagonalOp.html">DiagonalOp</a> op, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> startInd, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* real, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* imag, <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numElems) {</div>
<div class="line"><a name="l04229"></a><span class="lineno"> 4229</span>  </div>
<div class="line"><a name="l04230"></a><span class="lineno"> 4230</span>  <span class="comment">// local start/end indices of the given amplitudes, assuming they fit in this chunk</span></div>
<div class="line"><a name="l04231"></a><span class="lineno"> 4231</span>  <span class="comment">// these may be negative or above qureg.numAmpsPerChunk</span></div>
<div class="line"><a name="l04232"></a><span class="lineno"> 4232</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localStartInd = startInd - op.<a class="code" href="structDiagonalOp.html#aa91713a22c95a383bba55e56c4a4e37a">chunkId</a>*op.<a class="code" href="structDiagonalOp.html#a2c6eab631ef48b4978db026c98180eee">numElemsPerChunk</a>;</div>
<div class="line"><a name="l04233"></a><span class="lineno"> 4233</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localEndInd = localStartInd + numElems; <span class="comment">// exclusive</span></div>
<div class="line"><a name="l04234"></a><span class="lineno"> 4234</span>  </div>
<div class="line"><a name="l04235"></a><span class="lineno"> 4235</span>  <span class="comment">// add this to a local index to get corresponding elem in reals & imags</span></div>
<div class="line"><a name="l04236"></a><span class="lineno"> 4236</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> offset = op.<a class="code" href="structDiagonalOp.html#aa91713a22c95a383bba55e56c4a4e37a">chunkId</a>*op.<a class="code" href="structDiagonalOp.html#a2c6eab631ef48b4978db026c98180eee">numElemsPerChunk</a> - startInd;</div>
<div class="line"><a name="l04237"></a><span class="lineno"> 4237</span>  </div>
<div class="line"><a name="l04238"></a><span class="lineno"> 4238</span>  <span class="comment">// restrict these indices to fit into this chunk</span></div>
<div class="line"><a name="l04239"></a><span class="lineno"> 4239</span>  <span class="keywordflow">if</span> (localStartInd < 0)</div>
<div class="line"><a name="l04240"></a><span class="lineno"> 4240</span>  localStartInd = 0;</div>
<div class="line"><a name="l04241"></a><span class="lineno"> 4241</span>  <span class="keywordflow">if</span> (localEndInd > op.<a class="code" href="structDiagonalOp.html#a2c6eab631ef48b4978db026c98180eee">numElemsPerChunk</a>)</div>
<div class="line"><a name="l04242"></a><span class="lineno"> 4242</span>  localEndInd = op.<a class="code" href="structDiagonalOp.html#a2c6eab631ef48b4978db026c98180eee">numElemsPerChunk</a>;</div>
<div class="line"><a name="l04243"></a><span class="lineno"> 4243</span>  <span class="comment">// they may now be out of order = no iterations</span></div>
<div class="line"><a name="l04244"></a><span class="lineno"> 4244</span>  </div>
<div class="line"><a name="l04245"></a><span class="lineno"> 4245</span>  <span class="comment">// unpacking OpenMP vars</span></div>
<div class="line"><a name="l04246"></a><span class="lineno"> 4246</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l04247"></a><span class="lineno"> 4247</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* vecRe = op.<a class="code" href="structDiagonalOp.html#a1d66088bed235d524cd452b107694d5c">real</a>;</div>
<div class="line"><a name="l04248"></a><span class="lineno"> 4248</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* vecIm = op.<a class="code" href="structDiagonalOp.html#a85c3f52533efe831bbe40b9a48602388">imag</a>;</div>
<div class="line"><a name="l04249"></a><span class="lineno"> 4249</span>  </div>
<div class="line"><a name="l04250"></a><span class="lineno"> 4250</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l04251"></a><span class="lineno"> 4251</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l04252"></a><span class="lineno"> 4252</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l04253"></a><span class="lineno"> 4253</span> <span class="preprocessor"> shared (localStartInd,localEndInd, vecRe,vecIm, real,imag, offset) \</span></div>
<div class="line"><a name="l04254"></a><span class="lineno"> 4254</span> <span class="preprocessor"> private (index) </span></div>
<div class="line"><a name="l04255"></a><span class="lineno"> 4255</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l04256"></a><span class="lineno"> 4256</span>  {</div>
<div class="line"><a name="l04257"></a><span class="lineno"> 4257</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l04258"></a><span class="lineno"> 4258</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l04259"></a><span class="lineno"> 4259</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l04260"></a><span class="lineno"> 4260</span>  <span class="comment">// iterate these local inds - this might involve no iterations</span></div>
<div class="line"><a name="l04261"></a><span class="lineno"> 4261</span>  <span class="keywordflow">for</span> (index=localStartInd; index < localEndInd; index++) {</div>
<div class="line"><a name="l04262"></a><span class="lineno"> 4262</span>  vecRe[index] = real[index + offset];</div>
<div class="line"><a name="l04263"></a><span class="lineno"> 4263</span>  vecIm[index] = imag[index + offset];</div>
<div class="line"><a name="l04264"></a><span class="lineno"> 4264</span>  }</div>
<div class="line"><a name="l04265"></a><span class="lineno"> 4265</span>  }</div>
<div class="line"><a name="l04266"></a><span class="lineno"> 4266</span> }</div>
<div class="line"><a name="l04267"></a><span class="lineno"> 4267</span>  </div>
<div class="line"><a name="l04268"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a9d7928473aca695a614e9c24d903e578"> 4268</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a9d7928473aca695a614e9c24d903e578">statevec_applyPhaseFuncOverrides</a>(</div>
<div class="line"><a name="l04269"></a><span class="lineno"> 4269</span>  <a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span>* qubits, <span class="keywordtype">int</span> numQubits, <span class="keyword">enum</span> <a class="code" href="group__type.html#ga9c91c41aa42ae537995e89ffc616afe1">bitEncoding</a> encoding,</div>
<div class="line"><a name="l04270"></a><span class="lineno"> 4270</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* coeffs, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* exponents, <span class="keywordtype">int</span> numTerms, </div>
<div class="line"><a name="l04271"></a><span class="lineno"> 4271</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span>* overrideInds, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* overridePhases, <span class="keywordtype">int</span> numOverrides,</div>
<div class="line"><a name="l04272"></a><span class="lineno"> 4272</span>  <span class="keywordtype">int</span> conj)</div>
<div class="line"><a name="l04273"></a><span class="lineno"> 4273</span> {</div>
<div class="line"><a name="l04274"></a><span class="lineno"> 4274</span>  <span class="comment">// each node/chunk modifies only local values in an embarrassingly parallel way </span></div>
<div class="line"><a name="l04275"></a><span class="lineno"> 4275</span>  </div>
<div class="line"><a name="l04276"></a><span class="lineno"> 4276</span>  <span class="comment">// thread shared vars</span></div>
<div class="line"><a name="l04277"></a><span class="lineno"> 4277</span>  <span class="keywordtype">int</span> chunkId = qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l04278"></a><span class="lineno"> 4278</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l04279"></a><span class="lineno"> 4279</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateRe = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l04280"></a><span class="lineno"> 4280</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateIm = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l04281"></a><span class="lineno"> 4281</span>  </div>
<div class="line"><a name="l04282"></a><span class="lineno"> 4282</span>  <span class="comment">// thread private vars</span></div>
<div class="line"><a name="l04283"></a><span class="lineno"> 4283</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index, globalAmpInd, phaseInd;</div>
<div class="line"><a name="l04284"></a><span class="lineno"> 4284</span>  <span class="keywordtype">int</span> i, t, q;</div>
<div class="line"><a name="l04285"></a><span class="lineno"> 4285</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> phase, c, s, re, im;</div>
<div class="line"><a name="l04286"></a><span class="lineno"> 4286</span>  </div>
<div class="line"><a name="l04287"></a><span class="lineno"> 4287</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l04288"></a><span class="lineno"> 4288</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l04289"></a><span class="lineno"> 4289</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l04290"></a><span class="lineno"> 4290</span> <span class="preprocessor"> shared (chunkId,numAmps, stateRe,stateIm, qubits,numQubits,encoding, coeffs,exponents,numTerms, overrideInds,overridePhases,numOverrides, conj) \</span></div>
<div class="line"><a name="l04291"></a><span class="lineno"> 4291</span> <span class="preprocessor"> private (index, globalAmpInd, phaseInd, i,t,q, phase, c,s,re,im) </span></div>
<div class="line"><a name="l04292"></a><span class="lineno"> 4292</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l04293"></a><span class="lineno"> 4293</span>  {</div>
<div class="line"><a name="l04294"></a><span class="lineno"> 4294</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l04295"></a><span class="lineno"> 4295</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l04296"></a><span class="lineno"> 4296</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l04297"></a><span class="lineno"> 4297</span>  <span class="keywordflow">for</span> (index=0LL; index<numAmps; index++) {</div>
<div class="line"><a name="l04298"></a><span class="lineno"> 4298</span>  </div>
<div class="line"><a name="l04299"></a><span class="lineno"> 4299</span>  <span class="comment">// determine global amplitude index </span></div>
<div class="line"><a name="l04300"></a><span class="lineno"> 4300</span>  globalAmpInd = chunkId * numAmps + index;</div>
<div class="line"><a name="l04301"></a><span class="lineno"> 4301</span>  </div>
<div class="line"><a name="l04302"></a><span class="lineno"> 4302</span>  <span class="comment">// determine phase index of {qubits}</span></div>
<div class="line"><a name="l04303"></a><span class="lineno"> 4303</span>  phaseInd = 0LL;</div>
<div class="line"><a name="l04304"></a><span class="lineno"> 4304</span>  <span class="keywordflow">if</span> (encoding == <a class="code" href="group__type.html#gga9c91c41aa42ae537995e89ffc616afe1a7165f9a47792f47c718ca128556fb3ae">UNSIGNED</a>) {</div>
<div class="line"><a name="l04305"></a><span class="lineno"> 4305</span>  <span class="keywordflow">for</span> (q=0; q<numQubits; q++) <span class="comment">// use significance order specified by {qubits}</span></div>
<div class="line"><a name="l04306"></a><span class="lineno"> 4306</span>  phaseInd += (1LL << q) * <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(qubits[q], globalAmpInd);</div>
<div class="line"><a name="l04307"></a><span class="lineno"> 4307</span>  } </div>
<div class="line"><a name="l04308"></a><span class="lineno"> 4308</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (encoding == <a class="code" href="group__type.html#gga9c91c41aa42ae537995e89ffc616afe1a9aa2a35d92976c7de970506c4d19a96c">TWOS_COMPLEMENT</a>) {</div>
<div class="line"><a name="l04309"></a><span class="lineno"> 4309</span>  <span class="keywordflow">for</span> (q=0; q<numQubits-1; q++) <span class="comment">// use final qubit to indicate sign </span></div>
<div class="line"><a name="l04310"></a><span class="lineno"> 4310</span>  phaseInd += (1LL << q) * <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(qubits[q], globalAmpInd);</div>
<div class="line"><a name="l04311"></a><span class="lineno"> 4311</span>  <span class="keywordflow">if</span> (<a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(qubits[numQubits-1], globalAmpInd) == 1)</div>
<div class="line"><a name="l04312"></a><span class="lineno"> 4312</span>  phaseInd -= (1LL << (numQubits-1));</div>
<div class="line"><a name="l04313"></a><span class="lineno"> 4313</span>  }</div>
<div class="line"><a name="l04314"></a><span class="lineno"> 4314</span>  </div>
<div class="line"><a name="l04315"></a><span class="lineno"> 4315</span>  <span class="comment">// determine if this phase index has an overriden value (i < numOverrides)</span></div>
<div class="line"><a name="l04316"></a><span class="lineno"> 4316</span>  <span class="keywordflow">for</span> (i=0; i<numOverrides; i++)</div>
<div class="line"><a name="l04317"></a><span class="lineno"> 4317</span>  <span class="keywordflow">if</span> (phaseInd == overrideInds[i])</div>
<div class="line"><a name="l04318"></a><span class="lineno"> 4318</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l04319"></a><span class="lineno"> 4319</span>  </div>
<div class="line"><a name="l04320"></a><span class="lineno"> 4320</span>  <span class="comment">// determine phase from {coeffs}, {exponents} (unless overriden)</span></div>
<div class="line"><a name="l04321"></a><span class="lineno"> 4321</span>  phase = 0;</div>
<div class="line"><a name="l04322"></a><span class="lineno"> 4322</span>  <span class="keywordflow">if</span> (i < numOverrides)</div>
<div class="line"><a name="l04323"></a><span class="lineno"> 4323</span>  phase = overridePhases[i];</div>
<div class="line"><a name="l04324"></a><span class="lineno"> 4324</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l04325"></a><span class="lineno"> 4325</span>  <span class="keywordflow">for</span> (t=0; t<numTerms; t++)</div>
<div class="line"><a name="l04326"></a><span class="lineno"> 4326</span>  phase += coeffs[t] * pow(phaseInd, exponents[t]);</div>
<div class="line"><a name="l04327"></a><span class="lineno"> 4327</span>  </div>
<div class="line"><a name="l04328"></a><span class="lineno"> 4328</span>  <span class="comment">// negate phase to conjugate operator </span></div>
<div class="line"><a name="l04329"></a><span class="lineno"> 4329</span>  <span class="keywordflow">if</span> (conj)</div>
<div class="line"><a name="l04330"></a><span class="lineno"> 4330</span>  phase *= -1;</div>
<div class="line"><a name="l04331"></a><span class="lineno"> 4331</span>  </div>
<div class="line"><a name="l04332"></a><span class="lineno"> 4332</span>  <span class="comment">// modify amp to amp * exp(i phase) </span></div>
<div class="line"><a name="l04333"></a><span class="lineno"> 4333</span>  c = cos(phase);</div>
<div class="line"><a name="l04334"></a><span class="lineno"> 4334</span>  s = sin(phase);</div>
<div class="line"><a name="l04335"></a><span class="lineno"> 4335</span>  re = stateRe[index];</div>
<div class="line"><a name="l04336"></a><span class="lineno"> 4336</span>  im = stateIm[index];</div>
<div class="line"><a name="l04337"></a><span class="lineno"> 4337</span>  </div>
<div class="line"><a name="l04338"></a><span class="lineno"> 4338</span>  <span class="comment">// = {re[amp] cos(phase) - im[amp] sin(phase)} + i {re[amp] sin(phase) + im[amp] cos(phase)}</span></div>
<div class="line"><a name="l04339"></a><span class="lineno"> 4339</span>  stateRe[index] = re*c - im*s;</div>
<div class="line"><a name="l04340"></a><span class="lineno"> 4340</span>  stateIm[index] = re*s + im*c;</div>
<div class="line"><a name="l04341"></a><span class="lineno"> 4341</span>  }</div>
<div class="line"><a name="l04342"></a><span class="lineno"> 4342</span>  }</div>
<div class="line"><a name="l04343"></a><span class="lineno"> 4343</span> }</div>
<div class="line"><a name="l04344"></a><span class="lineno"> 4344</span>  </div>
<div class="line"><a name="l04345"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ab33437d10c1ce1c4b034c7c411db553f"> 4345</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ab33437d10c1ce1c4b034c7c411db553f">statevec_applyMultiVarPhaseFuncOverrides</a>(</div>
<div class="line"><a name="l04346"></a><span class="lineno"> 4346</span>  <a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span>* qubits, <span class="keywordtype">int</span>* numQubitsPerReg, <span class="keywordtype">int</span> numRegs, <span class="keyword">enum</span> <a class="code" href="group__type.html#ga9c91c41aa42ae537995e89ffc616afe1">bitEncoding</a> encoding,</div>
<div class="line"><a name="l04347"></a><span class="lineno"> 4347</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* coeffs, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* exponents, <span class="keywordtype">int</span>* numTermsPerReg, </div>
<div class="line"><a name="l04348"></a><span class="lineno"> 4348</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span>* overrideInds, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* overridePhases, <span class="keywordtype">int</span> numOverrides,</div>
<div class="line"><a name="l04349"></a><span class="lineno"> 4349</span>  <span class="keywordtype">int</span> conj) </div>
<div class="line"><a name="l04350"></a><span class="lineno"> 4350</span> {</div>
<div class="line"><a name="l04351"></a><span class="lineno"> 4351</span>  <span class="comment">// each node/chunk modifies only local values in an embarrassingly parallel way </span></div>
<div class="line"><a name="l04352"></a><span class="lineno"> 4352</span>  </div>
<div class="line"><a name="l04353"></a><span class="lineno"> 4353</span>  <span class="comment">// note partitions of qubits, coeffs, exponents and overrideInds are stored flat</span></div>
<div class="line"><a name="l04354"></a><span class="lineno"> 4354</span>  </div>
<div class="line"><a name="l04355"></a><span class="lineno"> 4355</span>  <span class="comment">// thread-shared vaes</span></div>
<div class="line"><a name="l04356"></a><span class="lineno"> 4356</span>  <span class="keywordtype">int</span> chunkId = qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l04357"></a><span class="lineno"> 4357</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l04358"></a><span class="lineno"> 4358</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateRe = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l04359"></a><span class="lineno"> 4359</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateIm = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l04360"></a><span class="lineno"> 4360</span>  </div>
<div class="line"><a name="l04361"></a><span class="lineno"> 4361</span>  <span class="comment">// thread-private vars</span></div>
<div class="line"><a name="l04362"></a><span class="lineno"> 4362</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index, globalAmpInd;</div>
<div class="line"><a name="l04363"></a><span class="lineno"> 4363</span>  <span class="keywordtype">int</span> r, q, i, t, found, flatInd;</div>
<div class="line"><a name="l04364"></a><span class="lineno"> 4364</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> phase, c, s, re, im;</div>
<div class="line"><a name="l04365"></a><span class="lineno"> 4365</span>  </div>
<div class="line"><a name="l04366"></a><span class="lineno"> 4366</span>  <span class="comment">// each thread has a private static array of length >= numRegs (private var-length is illegal)</span></div>
<div class="line"><a name="l04367"></a><span class="lineno"> 4367</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> phaseInds[<a class="code" href="QuEST__precision_8h.html#a6698ce2a3971003a0a0289e5980d39c5">MAX_NUM_REGS_APPLY_ARBITRARY_PHASE</a>];</div>
<div class="line"><a name="l04368"></a><span class="lineno"> 4368</span>  </div>
<div class="line"><a name="l04369"></a><span class="lineno"> 4369</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l04370"></a><span class="lineno"> 4370</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l04371"></a><span class="lineno"> 4371</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l04372"></a><span class="lineno"> 4372</span> <span class="preprocessor"> shared (chunkId,numAmps, stateRe,stateIm, qubits,numQubitsPerReg,numRegs,encoding, coeffs,exponents,numTermsPerReg, overrideInds,overridePhases,numOverrides, conj) \</span></div>
<div class="line"><a name="l04373"></a><span class="lineno"> 4373</span> <span class="preprocessor"> private (index,globalAmpInd, r,q,i,t,flatInd, found, phaseInds,phase, c,s,re,im) </span></div>
<div class="line"><a name="l04374"></a><span class="lineno"> 4374</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l04375"></a><span class="lineno"> 4375</span>  {</div>
<div class="line"><a name="l04376"></a><span class="lineno"> 4376</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l04377"></a><span class="lineno"> 4377</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l04378"></a><span class="lineno"> 4378</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l04379"></a><span class="lineno"> 4379</span>  <span class="keywordflow">for</span> (index=0LL; index<numAmps; index++) {</div>
<div class="line"><a name="l04380"></a><span class="lineno"> 4380</span>  </div>
<div class="line"><a name="l04381"></a><span class="lineno"> 4381</span>  <span class="comment">// determine global amplitude index </span></div>
<div class="line"><a name="l04382"></a><span class="lineno"> 4382</span>  globalAmpInd = chunkId * numAmps + index;</div>
<div class="line"><a name="l04383"></a><span class="lineno"> 4383</span>  </div>
<div class="line"><a name="l04384"></a><span class="lineno"> 4384</span>  <span class="comment">// determine phase indices</span></div>
<div class="line"><a name="l04385"></a><span class="lineno"> 4385</span>  flatInd = 0;</div>
<div class="line"><a name="l04386"></a><span class="lineno"> 4386</span>  <span class="keywordflow">for</span> (r=0; r<numRegs; r++) {</div>
<div class="line"><a name="l04387"></a><span class="lineno"> 4387</span>  phaseInds[r] = 0LL;</div>
<div class="line"><a name="l04388"></a><span class="lineno"> 4388</span>  </div>
<div class="line"><a name="l04389"></a><span class="lineno"> 4389</span>  <span class="keywordflow">if</span> (encoding == <a class="code" href="group__type.html#gga9c91c41aa42ae537995e89ffc616afe1a7165f9a47792f47c718ca128556fb3ae">UNSIGNED</a>) {</div>
<div class="line"><a name="l04390"></a><span class="lineno"> 4390</span>  <span class="keywordflow">for</span> (q=0; q<numQubitsPerReg[r]; q++)</div>
<div class="line"><a name="l04391"></a><span class="lineno"> 4391</span>  phaseInds[r] += (1LL << q) * <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(qubits[flatInd++], globalAmpInd); <span class="comment">// qubits[flatInd] ~ qubits[r][q]</span></div>
<div class="line"><a name="l04392"></a><span class="lineno"> 4392</span>  }</div>
<div class="line"><a name="l04393"></a><span class="lineno"> 4393</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (encoding == <a class="code" href="group__type.html#gga9c91c41aa42ae537995e89ffc616afe1a9aa2a35d92976c7de970506c4d19a96c">TWOS_COMPLEMENT</a>) {</div>
<div class="line"><a name="l04394"></a><span class="lineno"> 4394</span>  <span class="keywordflow">for</span> (q=0; q<numQubitsPerReg[r]-1; q++) </div>
<div class="line"><a name="l04395"></a><span class="lineno"> 4395</span>  phaseInds[r] += (1LL << q) * <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(qubits[flatInd++], globalAmpInd);</div>
<div class="line"><a name="l04396"></a><span class="lineno"> 4396</span>  <span class="comment">// use final qubit to indicate sign</span></div>
<div class="line"><a name="l04397"></a><span class="lineno"> 4397</span>  <span class="keywordflow">if</span> (<a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(qubits[flatInd++], globalAmpInd) == 1)</div>
<div class="line"><a name="l04398"></a><span class="lineno"> 4398</span>  phaseInds[r] -= (1LL << (numQubitsPerReg[r]-1));</div>
<div class="line"><a name="l04399"></a><span class="lineno"> 4399</span>  }</div>
<div class="line"><a name="l04400"></a><span class="lineno"> 4400</span>  }</div>
<div class="line"><a name="l04401"></a><span class="lineno"> 4401</span>  </div>
<div class="line"><a name="l04402"></a><span class="lineno"> 4402</span>  <span class="comment">// determine if this phase index has an overriden value (i < numOverrides)</span></div>
<div class="line"><a name="l04403"></a><span class="lineno"> 4403</span>  <span class="keywordflow">for</span> (i=0; i<numOverrides; i++) {</div>
<div class="line"><a name="l04404"></a><span class="lineno"> 4404</span>  found = 1;</div>
<div class="line"><a name="l04405"></a><span class="lineno"> 4405</span>  <span class="keywordflow">for</span> (r=0; r<numRegs; r++) {</div>
<div class="line"><a name="l04406"></a><span class="lineno"> 4406</span>  <span class="keywordflow">if</span> (phaseInds[r] != overrideInds[i*numRegs+r]) {</div>
<div class="line"><a name="l04407"></a><span class="lineno"> 4407</span>  found = 0;</div>
<div class="line"><a name="l04408"></a><span class="lineno"> 4408</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l04409"></a><span class="lineno"> 4409</span>  }</div>
<div class="line"><a name="l04410"></a><span class="lineno"> 4410</span>  }</div>
<div class="line"><a name="l04411"></a><span class="lineno"> 4411</span>  <span class="keywordflow">if</span> (found)</div>
<div class="line"><a name="l04412"></a><span class="lineno"> 4412</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l04413"></a><span class="lineno"> 4413</span>  }</div>
<div class="line"><a name="l04414"></a><span class="lineno"> 4414</span>  </div>
<div class="line"><a name="l04415"></a><span class="lineno"> 4415</span>  <span class="comment">// compute the phase (unless overriden)</span></div>
<div class="line"><a name="l04416"></a><span class="lineno"> 4416</span>  phase = 0;</div>
<div class="line"><a name="l04417"></a><span class="lineno"> 4417</span>  <span class="keywordflow">if</span> (i < numOverrides)</div>
<div class="line"><a name="l04418"></a><span class="lineno"> 4418</span>  phase = overridePhases[i];</div>
<div class="line"><a name="l04419"></a><span class="lineno"> 4419</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l04420"></a><span class="lineno"> 4420</span>  flatInd = 0;</div>
<div class="line"><a name="l04421"></a><span class="lineno"> 4421</span>  <span class="keywordflow">for</span> (r=0; r<numRegs; r++) {</div>
<div class="line"><a name="l04422"></a><span class="lineno"> 4422</span>  <span class="keywordflow">for</span> (t=0; t<numTermsPerReg[r]; t++) {</div>
<div class="line"><a name="l04423"></a><span class="lineno"> 4423</span>  phase += coeffs[flatInd] * pow(phaseInds[r], exponents[flatInd]);</div>
<div class="line"><a name="l04424"></a><span class="lineno"> 4424</span>  flatInd++;</div>
<div class="line"><a name="l04425"></a><span class="lineno"> 4425</span>  }</div>
<div class="line"><a name="l04426"></a><span class="lineno"> 4426</span>  }</div>
<div class="line"><a name="l04427"></a><span class="lineno"> 4427</span>  }</div>
<div class="line"><a name="l04428"></a><span class="lineno"> 4428</span>  </div>
<div class="line"><a name="l04429"></a><span class="lineno"> 4429</span>  <span class="comment">// negate phase to conjugate operator </span></div>
<div class="line"><a name="l04430"></a><span class="lineno"> 4430</span>  <span class="keywordflow">if</span> (conj)</div>
<div class="line"><a name="l04431"></a><span class="lineno"> 4431</span>  phase *= -1;</div>
<div class="line"><a name="l04432"></a><span class="lineno"> 4432</span>  </div>
<div class="line"><a name="l04433"></a><span class="lineno"> 4433</span>  <span class="comment">// modify amp to amp * exp(i phase) </span></div>
<div class="line"><a name="l04434"></a><span class="lineno"> 4434</span>  c = cos(phase);</div>
<div class="line"><a name="l04435"></a><span class="lineno"> 4435</span>  s = sin(phase);</div>
<div class="line"><a name="l04436"></a><span class="lineno"> 4436</span>  re = stateRe[index];</div>
<div class="line"><a name="l04437"></a><span class="lineno"> 4437</span>  im = stateIm[index];</div>
<div class="line"><a name="l04438"></a><span class="lineno"> 4438</span>  </div>
<div class="line"><a name="l04439"></a><span class="lineno"> 4439</span>  <span class="comment">// = {re[amp] cos(phase) - im[amp] sin(phase)} + i {re[amp] sin(phase) + im[amp] cos(phase)}</span></div>
<div class="line"><a name="l04440"></a><span class="lineno"> 4440</span>  stateRe[index] = re*c - im*s;</div>
<div class="line"><a name="l04441"></a><span class="lineno"> 4441</span>  stateIm[index] = re*s + im*c;</div>
<div class="line"><a name="l04442"></a><span class="lineno"> 4442</span>  }</div>
<div class="line"><a name="l04443"></a><span class="lineno"> 4443</span>  }</div>
<div class="line"><a name="l04444"></a><span class="lineno"> 4444</span> }</div>
<div class="line"><a name="l04445"></a><span class="lineno"> 4445</span>  </div>
<div class="line"><a name="l04446"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ad5b7e25e42427dfa7f19fd950264bb16"> 4446</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ad5b7e25e42427dfa7f19fd950264bb16">statevec_applyParamNamedPhaseFuncOverrides</a>(</div>
<div class="line"><a name="l04447"></a><span class="lineno"> 4447</span>  <a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">int</span>* qubits, <span class="keywordtype">int</span>* numQubitsPerReg, <span class="keywordtype">int</span> numRegs, <span class="keyword">enum</span> <a class="code" href="group__type.html#ga9c91c41aa42ae537995e89ffc616afe1">bitEncoding</a> encoding,</div>
<div class="line"><a name="l04448"></a><span class="lineno"> 4448</span>  <span class="keyword">enum</span> <a class="code" href="group__type.html#gaa7d869b117ba5024d6b84938e8cdfc65">phaseFunc</a> phaseFuncName,</div>
<div class="line"><a name="l04449"></a><span class="lineno"> 4449</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* params, <span class="keywordtype">int</span> numParams,</div>
<div class="line"><a name="l04450"></a><span class="lineno"> 4450</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span>* overrideInds, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* overridePhases, <span class="keywordtype">int</span> numOverrides,</div>
<div class="line"><a name="l04451"></a><span class="lineno"> 4451</span>  <span class="keywordtype">int</span> conj</div>
<div class="line"><a name="l04452"></a><span class="lineno"> 4452</span> ) {</div>
<div class="line"><a name="l04453"></a><span class="lineno"> 4453</span>  <span class="comment">// each node/chunk modifies only local values in an embarrassingly parallel way </span></div>
<div class="line"><a name="l04454"></a><span class="lineno"> 4454</span>  </div>
<div class="line"><a name="l04455"></a><span class="lineno"> 4455</span>  <span class="comment">// note partitions of qubits, overrideInds are stored flat</span></div>
<div class="line"><a name="l04456"></a><span class="lineno"> 4456</span>  </div>
<div class="line"><a name="l04457"></a><span class="lineno"> 4457</span>  <span class="comment">// thread-shared vaes</span></div>
<div class="line"><a name="l04458"></a><span class="lineno"> 4458</span>  <span class="keywordtype">int</span> chunkId = qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</div>
<div class="line"><a name="l04459"></a><span class="lineno"> 4459</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numAmps = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l04460"></a><span class="lineno"> 4460</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateRe = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real;</div>
<div class="line"><a name="l04461"></a><span class="lineno"> 4461</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a>* stateIm = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag;</div>
<div class="line"><a name="l04462"></a><span class="lineno"> 4462</span>  </div>
<div class="line"><a name="l04463"></a><span class="lineno"> 4463</span>  <span class="comment">// thread-private vars</span></div>
<div class="line"><a name="l04464"></a><span class="lineno"> 4464</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index, globalAmpInd;</div>
<div class="line"><a name="l04465"></a><span class="lineno"> 4465</span>  <span class="keywordtype">int</span> r, q, i, found, flatInd;</div>
<div class="line"><a name="l04466"></a><span class="lineno"> 4466</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> phase, norm, prod, dist, c, s, re, im;</div>
<div class="line"><a name="l04467"></a><span class="lineno"> 4467</span>  </div>
<div class="line"><a name="l04468"></a><span class="lineno"> 4468</span>  <span class="comment">// each thread has a private static array of length >= numRegs (private var-length is illegal)</span></div>
<div class="line"><a name="l04469"></a><span class="lineno"> 4469</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> phaseInds[<a class="code" href="QuEST__precision_8h.html#a6698ce2a3971003a0a0289e5980d39c5">MAX_NUM_REGS_APPLY_ARBITRARY_PHASE</a>];</div>
<div class="line"><a name="l04470"></a><span class="lineno"> 4470</span>  </div>
<div class="line"><a name="l04471"></a><span class="lineno"> 4471</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l04472"></a><span class="lineno"> 4472</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l04473"></a><span class="lineno"> 4473</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l04474"></a><span class="lineno"> 4474</span> <span class="preprocessor"> shared (chunkId,numAmps, stateRe,stateIm, qubits,numQubitsPerReg,numRegs,encoding, phaseFuncName,params,numParams, overrideInds,overridePhases,numOverrides, conj) \</span></div>
<div class="line"><a name="l04475"></a><span class="lineno"> 4475</span> <span class="preprocessor"> private (index,globalAmpInd, r,q,i,flatInd, found, phaseInds,phase,norm,prod,dist, c,s,re,im) </span></div>
<div class="line"><a name="l04476"></a><span class="lineno"> 4476</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l04477"></a><span class="lineno"> 4477</span>  {</div>
<div class="line"><a name="l04478"></a><span class="lineno"> 4478</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l04479"></a><span class="lineno"> 4479</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l04480"></a><span class="lineno"> 4480</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l04481"></a><span class="lineno"> 4481</span>  <span class="keywordflow">for</span> (index=0LL; index<numAmps; index++) {</div>
<div class="line"><a name="l04482"></a><span class="lineno"> 4482</span>  </div>
<div class="line"><a name="l04483"></a><span class="lineno"> 4483</span>  <span class="comment">// determine global amplitude index </span></div>
<div class="line"><a name="l04484"></a><span class="lineno"> 4484</span>  globalAmpInd = chunkId * numAmps + index;</div>
<div class="line"><a name="l04485"></a><span class="lineno"> 4485</span>  </div>
<div class="line"><a name="l04486"></a><span class="lineno"> 4486</span>  <span class="comment">// determine phase indices</span></div>
<div class="line"><a name="l04487"></a><span class="lineno"> 4487</span>  flatInd = 0;</div>
<div class="line"><a name="l04488"></a><span class="lineno"> 4488</span>  <span class="keywordflow">for</span> (r=0; r<numRegs; r++) {</div>
<div class="line"><a name="l04489"></a><span class="lineno"> 4489</span>  phaseInds[r] = 0LL;</div>
<div class="line"><a name="l04490"></a><span class="lineno"> 4490</span>  </div>
<div class="line"><a name="l04491"></a><span class="lineno"> 4491</span>  <span class="keywordflow">if</span> (encoding == <a class="code" href="group__type.html#gga9c91c41aa42ae537995e89ffc616afe1a7165f9a47792f47c718ca128556fb3ae">UNSIGNED</a>) {</div>
<div class="line"><a name="l04492"></a><span class="lineno"> 4492</span>  <span class="keywordflow">for</span> (q=0; q<numQubitsPerReg[r]; q++)</div>
<div class="line"><a name="l04493"></a><span class="lineno"> 4493</span>  phaseInds[r] += (1LL << q) * <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(qubits[flatInd++], globalAmpInd); <span class="comment">// qubits[flatInd] ~ qubits[r][q]</span></div>
<div class="line"><a name="l04494"></a><span class="lineno"> 4494</span>  }</div>
<div class="line"><a name="l04495"></a><span class="lineno"> 4495</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (encoding == <a class="code" href="group__type.html#gga9c91c41aa42ae537995e89ffc616afe1a9aa2a35d92976c7de970506c4d19a96c">TWOS_COMPLEMENT</a>) {</div>
<div class="line"><a name="l04496"></a><span class="lineno"> 4496</span>  <span class="keywordflow">for</span> (q=0; q<numQubitsPerReg[r]-1; q++) </div>
<div class="line"><a name="l04497"></a><span class="lineno"> 4497</span>  phaseInds[r] += (1LL << q) * <a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(qubits[flatInd++], globalAmpInd);</div>
<div class="line"><a name="l04498"></a><span class="lineno"> 4498</span>  <span class="comment">// use final qubit to indicate sign</span></div>
<div class="line"><a name="l04499"></a><span class="lineno"> 4499</span>  <span class="keywordflow">if</span> (<a class="code" href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a>(qubits[flatInd++], globalAmpInd) == 1)</div>
<div class="line"><a name="l04500"></a><span class="lineno"> 4500</span>  phaseInds[r] -= (1LL << (numQubitsPerReg[r]-1));</div>
<div class="line"><a name="l04501"></a><span class="lineno"> 4501</span>  }</div>
<div class="line"><a name="l04502"></a><span class="lineno"> 4502</span>  }</div>
<div class="line"><a name="l04503"></a><span class="lineno"> 4503</span>  </div>
<div class="line"><a name="l04504"></a><span class="lineno"> 4504</span>  <span class="comment">// determine if this phase index has an overriden value (i < numOverrides)</span></div>
<div class="line"><a name="l04505"></a><span class="lineno"> 4505</span>  <span class="keywordflow">for</span> (i=0; i<numOverrides; i++) {</div>
<div class="line"><a name="l04506"></a><span class="lineno"> 4506</span>  found = 1;</div>
<div class="line"><a name="l04507"></a><span class="lineno"> 4507</span>  <span class="keywordflow">for</span> (r=0; r<numRegs; r++) {</div>
<div class="line"><a name="l04508"></a><span class="lineno"> 4508</span>  <span class="keywordflow">if</span> (phaseInds[r] != overrideInds[i*numRegs+r]) {</div>
<div class="line"><a name="l04509"></a><span class="lineno"> 4509</span>  found = 0;</div>
<div class="line"><a name="l04510"></a><span class="lineno"> 4510</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l04511"></a><span class="lineno"> 4511</span>  }</div>
<div class="line"><a name="l04512"></a><span class="lineno"> 4512</span>  }</div>
<div class="line"><a name="l04513"></a><span class="lineno"> 4513</span>  <span class="keywordflow">if</span> (found)</div>
<div class="line"><a name="l04514"></a><span class="lineno"> 4514</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l04515"></a><span class="lineno"> 4515</span>  }</div>
<div class="line"><a name="l04516"></a><span class="lineno"> 4516</span>  </div>
<div class="line"><a name="l04517"></a><span class="lineno"> 4517</span>  <span class="comment">// compute the phase (unless overriden)</span></div>
<div class="line"><a name="l04518"></a><span class="lineno"> 4518</span>  phase = 0;</div>
<div class="line"><a name="l04519"></a><span class="lineno"> 4519</span>  <span class="keywordflow">if</span> (i < numOverrides)</div>
<div class="line"><a name="l04520"></a><span class="lineno"> 4520</span>  phase = overridePhases[i];</div>
<div class="line"><a name="l04521"></a><span class="lineno"> 4521</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l04522"></a><span class="lineno"> 4522</span>  <span class="comment">// compute norm related phases</span></div>
<div class="line"><a name="l04523"></a><span class="lineno"> 4523</span>  <span class="keywordflow">if</span> (phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65ae003ec1158e3a4e295616ced12af154e">NORM</a> || phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65ad4c32e295c08ebe224e2c5ba6497f043">INVERSE_NORM</a> ||</div>
<div class="line"><a name="l04524"></a><span class="lineno"> 4524</span>  phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a93c0c1e166dd43c6a57f61e5490808e1">SCALED_NORM</a> || phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65ae8c96906c1ec109d295c491e572d01e2">SCALED_INVERSE_NORM</a> ||</div>
<div class="line"><a name="l04525"></a><span class="lineno"> 4525</span>  phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65aa318172feec5b530e9a7849f2f7b44e7">SCALED_INVERSE_SHIFTED_NORM</a>) {</div>
<div class="line"><a name="l04526"></a><span class="lineno"> 4526</span>  </div>
<div class="line"><a name="l04527"></a><span class="lineno"> 4527</span>  norm = 0;</div>
<div class="line"><a name="l04528"></a><span class="lineno"> 4528</span>  <span class="keywordflow">if</span> (phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65aa318172feec5b530e9a7849f2f7b44e7">SCALED_INVERSE_SHIFTED_NORM</a>) {</div>
<div class="line"><a name="l04529"></a><span class="lineno"> 4529</span>  <span class="keywordflow">for</span> (r=0; r<numRegs; r++)</div>
<div class="line"><a name="l04530"></a><span class="lineno"> 4530</span>  norm += (phaseInds[r] - params[2+r])*(phaseInds[r] - params[2+r]);</div>
<div class="line"><a name="l04531"></a><span class="lineno"> 4531</span>  }</div>
<div class="line"><a name="l04532"></a><span class="lineno"> 4532</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l04533"></a><span class="lineno"> 4533</span>  <span class="keywordflow">for</span> (r=0; r<numRegs; r++)</div>
<div class="line"><a name="l04534"></a><span class="lineno"> 4534</span>  norm += phaseInds[r]*phaseInds[r];</div>
<div class="line"><a name="l04535"></a><span class="lineno"> 4535</span>  norm = sqrt(norm);</div>
<div class="line"><a name="l04536"></a><span class="lineno"> 4536</span>  </div>
<div class="line"><a name="l04537"></a><span class="lineno"> 4537</span>  <span class="keywordflow">if</span> (phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65ae003ec1158e3a4e295616ced12af154e">NORM</a>)</div>
<div class="line"><a name="l04538"></a><span class="lineno"> 4538</span>  phase = norm;</div>
<div class="line"><a name="l04539"></a><span class="lineno"> 4539</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65ad4c32e295c08ebe224e2c5ba6497f043">INVERSE_NORM</a>)</div>
<div class="line"><a name="l04540"></a><span class="lineno"> 4540</span>  phase = (norm == 0.)? params[0] : 1/norm; <span class="comment">// smallest non-zero norm is 1</span></div>
<div class="line"><a name="l04541"></a><span class="lineno"> 4541</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a93c0c1e166dd43c6a57f61e5490808e1">SCALED_NORM</a>)</div>
<div class="line"><a name="l04542"></a><span class="lineno"> 4542</span>  phase = params[0] * norm;</div>
<div class="line"><a name="l04543"></a><span class="lineno"> 4543</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65ae8c96906c1ec109d295c491e572d01e2">SCALED_INVERSE_NORM</a> || phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65aa318172feec5b530e9a7849f2f7b44e7">SCALED_INVERSE_SHIFTED_NORM</a>)</div>
<div class="line"><a name="l04544"></a><span class="lineno"> 4544</span>  phase = (norm <= REAL_EPS)? params[1] : params[0] / norm; <span class="comment">// unless shifted closer to zero</span></div>
<div class="line"><a name="l04545"></a><span class="lineno"> 4545</span>  }</div>
<div class="line"><a name="l04546"></a><span class="lineno"> 4546</span>  <span class="comment">// compute product related phases</span></div>
<div class="line"><a name="l04547"></a><span class="lineno"> 4547</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65acb6911398e0068f545a31b82bcdef3e4">PRODUCT</a> || phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65acb26952815118f5ced7703302dbeb556">INVERSE_PRODUCT</a> ||</div>
<div class="line"><a name="l04548"></a><span class="lineno"> 4548</span>  phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a31a29a30f92fe34c35098f941adbbc93">SCALED_PRODUCT</a> || phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a1a5168576607f460d3e60f184575cacb">SCALED_INVERSE_PRODUCT</a>) {</div>
<div class="line"><a name="l04549"></a><span class="lineno"> 4549</span>  </div>
<div class="line"><a name="l04550"></a><span class="lineno"> 4550</span>  prod = 1;</div>
<div class="line"><a name="l04551"></a><span class="lineno"> 4551</span>  <span class="keywordflow">for</span> (r=0; r<numRegs; r++)</div>
<div class="line"><a name="l04552"></a><span class="lineno"> 4552</span>  prod *= phaseInds[r];</div>
<div class="line"><a name="l04553"></a><span class="lineno"> 4553</span>  </div>
<div class="line"><a name="l04554"></a><span class="lineno"> 4554</span>  <span class="keywordflow">if</span> (phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65acb6911398e0068f545a31b82bcdef3e4">PRODUCT</a>)</div>
<div class="line"><a name="l04555"></a><span class="lineno"> 4555</span>  phase = prod;</div>
<div class="line"><a name="l04556"></a><span class="lineno"> 4556</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65acb26952815118f5ced7703302dbeb556">INVERSE_PRODUCT</a>)</div>
<div class="line"><a name="l04557"></a><span class="lineno"> 4557</span>  phase = (prod == 0.)? params[0] : 1/prod; <span class="comment">// smallest non-zero product norm is +- 1</span></div>
<div class="line"><a name="l04558"></a><span class="lineno"> 4558</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a31a29a30f92fe34c35098f941adbbc93">SCALED_PRODUCT</a>)</div>
<div class="line"><a name="l04559"></a><span class="lineno"> 4559</span>  phase = params[0] * prod;</div>
<div class="line"><a name="l04560"></a><span class="lineno"> 4560</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a1a5168576607f460d3e60f184575cacb">SCALED_INVERSE_PRODUCT</a>)</div>
<div class="line"><a name="l04561"></a><span class="lineno"> 4561</span>  phase = (prod == 0.)? params[1] : params[0] / prod;</div>
<div class="line"><a name="l04562"></a><span class="lineno"> 4562</span>  }</div>
<div class="line"><a name="l04563"></a><span class="lineno"> 4563</span>  <span class="comment">// compute Euclidean distance related phases </span></div>
<div class="line"><a name="l04564"></a><span class="lineno"> 4564</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a2ad72f168181763513d7793c13bf2a91">DISTANCE</a> || phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a6313e6ff48163c11c47866c4fda4bfa0">INVERSE_DISTANCE</a> ||</div>
<div class="line"><a name="l04565"></a><span class="lineno"> 4565</span>  phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65ace23d4b924240a245d83193f0ce398d4">SCALED_DISTANCE</a> || phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65ae5114537389194302c7a619e35e6e227">SCALED_INVERSE_DISTANCE</a> ||</div>
<div class="line"><a name="l04566"></a><span class="lineno"> 4566</span>  phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a39111120b79016d6b3e773b711fa63f7">SCALED_INVERSE_SHIFTED_DISTANCE</a>) {</div>
<div class="line"><a name="l04567"></a><span class="lineno"> 4567</span>  </div>
<div class="line"><a name="l04568"></a><span class="lineno"> 4568</span>  dist = 0;</div>
<div class="line"><a name="l04569"></a><span class="lineno"> 4569</span>  <span class="keywordflow">if</span> (phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a39111120b79016d6b3e773b711fa63f7">SCALED_INVERSE_SHIFTED_DISTANCE</a>) {</div>
<div class="line"><a name="l04570"></a><span class="lineno"> 4570</span>  <span class="keywordflow">for</span> (r=0; r<numRegs; r+=2)</div>
<div class="line"><a name="l04571"></a><span class="lineno"> 4571</span>  dist += (phaseInds[r] - phaseInds[r+1] - params[2+r/2])*(phaseInds[r] - phaseInds[r+1] - params[2+r/2]);</div>
<div class="line"><a name="l04572"></a><span class="lineno"> 4572</span>  }</div>
<div class="line"><a name="l04573"></a><span class="lineno"> 4573</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l04574"></a><span class="lineno"> 4574</span>  <span class="keywordflow">for</span> (r=0; r<numRegs; r+=2)</div>
<div class="line"><a name="l04575"></a><span class="lineno"> 4575</span>  dist += (phaseInds[r+1] - phaseInds[r])*(phaseInds[r+1] - phaseInds[r]);</div>
<div class="line"><a name="l04576"></a><span class="lineno"> 4576</span>  dist = sqrt(dist);</div>
<div class="line"><a name="l04577"></a><span class="lineno"> 4577</span>  </div>
<div class="line"><a name="l04578"></a><span class="lineno"> 4578</span>  <span class="keywordflow">if</span> (phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a2ad72f168181763513d7793c13bf2a91">DISTANCE</a>)</div>
<div class="line"><a name="l04579"></a><span class="lineno"> 4579</span>  phase = dist;</div>
<div class="line"><a name="l04580"></a><span class="lineno"> 4580</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a6313e6ff48163c11c47866c4fda4bfa0">INVERSE_DISTANCE</a>)</div>
<div class="line"><a name="l04581"></a><span class="lineno"> 4581</span>  phase = (dist == 0.)? params[0] : 1/dist; <span class="comment">// smallest non-zero dist is 1</span></div>
<div class="line"><a name="l04582"></a><span class="lineno"> 4582</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65ace23d4b924240a245d83193f0ce398d4">SCALED_DISTANCE</a>)</div>
<div class="line"><a name="l04583"></a><span class="lineno"> 4583</span>  phase = params[0] * dist;</div>
<div class="line"><a name="l04584"></a><span class="lineno"> 4584</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65ae5114537389194302c7a619e35e6e227">SCALED_INVERSE_DISTANCE</a> || phaseFuncName == <a class="code" href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a39111120b79016d6b3e773b711fa63f7">SCALED_INVERSE_SHIFTED_DISTANCE</a>)</div>
<div class="line"><a name="l04585"></a><span class="lineno"> 4585</span>  phase = (dist <= REAL_EPS)? params[1] : params[0] / dist; <span class="comment">// unless shifted closer to 0</span></div>
<div class="line"><a name="l04586"></a><span class="lineno"> 4586</span>  }</div>
<div class="line"><a name="l04587"></a><span class="lineno"> 4587</span>  }</div>
<div class="line"><a name="l04588"></a><span class="lineno"> 4588</span>  </div>
<div class="line"><a name="l04589"></a><span class="lineno"> 4589</span>  <span class="comment">// negate phase to conjugate operator </span></div>
<div class="line"><a name="l04590"></a><span class="lineno"> 4590</span>  <span class="keywordflow">if</span> (conj)</div>
<div class="line"><a name="l04591"></a><span class="lineno"> 4591</span>  phase *= -1;</div>
<div class="line"><a name="l04592"></a><span class="lineno"> 4592</span>  </div>
<div class="line"><a name="l04593"></a><span class="lineno"> 4593</span>  <span class="comment">// modify amp to amp * exp(i phase) </span></div>
<div class="line"><a name="l04594"></a><span class="lineno"> 4594</span>  c = cos(phase);</div>
<div class="line"><a name="l04595"></a><span class="lineno"> 4595</span>  s = sin(phase);</div>
<div class="line"><a name="l04596"></a><span class="lineno"> 4596</span>  re = stateRe[index];</div>
<div class="line"><a name="l04597"></a><span class="lineno"> 4597</span>  im = stateIm[index];</div>
<div class="line"><a name="l04598"></a><span class="lineno"> 4598</span>  </div>
<div class="line"><a name="l04599"></a><span class="lineno"> 4599</span>  <span class="comment">// = {re[amp] cos(phase) - im[amp] sin(phase)} + i {re[amp] sin(phase) + im[amp] cos(phase)}</span></div>
<div class="line"><a name="l04600"></a><span class="lineno"> 4600</span>  stateRe[index] = re*c - im*s;</div>
<div class="line"><a name="l04601"></a><span class="lineno"> 4601</span>  stateIm[index] = re*s + im*c;</div>
<div class="line"><a name="l04602"></a><span class="lineno"> 4602</span>  }</div>
<div class="line"><a name="l04603"></a><span class="lineno"> 4603</span>  }</div>
<div class="line"><a name="l04604"></a><span class="lineno"> 4604</span> }</div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="agroup__type_html_ggaa7d869b117ba5024d6b84938e8cdfc65acb26952815118f5ced7703302dbeb556"><div class="ttname"><a href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65acb26952815118f5ced7703302dbeb556">INVERSE_PRODUCT</a></div><div class="ttdeci">@ INVERSE_PRODUCT</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00233">QuEST.h:233</a></div></div>
<div class="ttc" id="agroup__type_html_ga1c703cf89629e4e9c7023cd402d67028"><div class="ttname"><a href="group__type.html#ga1c703cf89629e4e9c7023cd402d67028">pauliOpType</a></div><div class="ttdeci">pauliOpType</div><div class="ttdoc">Codes for specifying Pauli operators.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00096">QuEST.h:96</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_afa4231f79fe9498e4fd87cc70cde5a9d"><div class="ttname"><a href="QuEST__cpu_8c.html#afa4231f79fe9498e4fd87cc70cde5a9d">qsortComp</a></div><div class="ttdeci">int qsortComp(const void *a, const void *b)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01908">QuEST_cpu.c:1908</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a3ed30f823a59890be17441d97ce90c5c"><div class="ttname"><a href="QuEST__cpu_8c.html#a3ed30f823a59890be17441d97ce90c5c">statevec_multiControlledMultiRotateZ</a></div><div class="ttdeci">void statevec_multiControlledMultiRotateZ(Qureg qureg, long long int ctrlMask, long long int targMask, qreal angle)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03358">QuEST_cpu.c:3358</a></div></div>
<div class="ttc" id="agroup__debug_html_ga924ef2dbda6b733b4041270077c76ece"><div class="ttname"><a href="group__debug.html#ga924ef2dbda6b733b4041270077c76ece">copyStateFromGPU</a></div><div class="ttdeci">void copyStateFromGPU(Qureg qureg)</div><div class="ttdoc">In GPU mode, this copies the state-vector (or density matrix) from GPU memory (qureg....</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00045">QuEST_cpu.c:45</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a81a87bb0f0805c9dfcb691f6cb15a1b5"><div class="ttname"><a href="QuEST__cpu_8c.html#a81a87bb0f0805c9dfcb691f6cb15a1b5">agnostic_initDiagonalOpFromPauliHamil</a></div><div class="ttdeci">void agnostic_initDiagonalOpFromPauliHamil(DiagonalOp op, PauliHamil hamil)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01377">QuEST_cpu.c:1377</a></div></div>
<div class="ttc" id="astructComplexMatrix4_html_aeadc9893e1b16cdd585dac523e73926c"><div class="ttname"><a href="structComplexMatrix4.html#aeadc9893e1b16cdd585dac523e73926c">ComplexMatrix4::real</a></div><div class="ttdeci">qreal real[4][4]</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00177">QuEST.h:177</a></div></div>
<div class="ttc" id="agroup__debug_html_ga8d31fe2d1ad4d01e2a1f5f6b8bc15b77"><div class="ttname"><a href="group__debug.html#ga8d31fe2d1ad4d01e2a1f5f6b8bc15b77">syncQuESTEnv</a></div><div class="ttdeci">void syncQuESTEnv(QuESTEnv env)</div><div class="ttdoc">Guarantees that all code up to the given point has been executed on all nodes (if running in distribu...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu__distributed_8c_source.html#l00164">QuEST_cpu_distributed.c:164</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ace1482ef82b83e7f926634a67b322fc4"><div class="ttname"><a href="QuEST__cpu_8c.html#ace1482ef82b83e7f926634a67b322fc4">statevec_controlledNotLocal</a></div><div class="ttdeci">void statevec_controlledNotLocal(Qureg qureg, int controlQubit, int targetQubit)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02679">QuEST_cpu.c:2679</a></div></div>
<div class="ttc" id="agroup__type_html_gga1c703cf89629e4e9c7023cd402d67028a085c85cff6ba79c52d8b1e61c42ddddf"><div class="ttname"><a href="group__type.html#gga1c703cf89629e4e9c7023cd402d67028a085c85cff6ba79c52d8b1e61c42ddddf">PAULI_Z</a></div><div class="ttdeci">@ PAULI_Z</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00096">QuEST.h:96</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a63df1ec14ff7cc81c3f392ac10fcc744"><div class="ttname"><a href="QuEST__cpu_8c.html#a63df1ec14ff7cc81c3f392ac10fcc744">statevec_controlledPhaseShift</a></div><div class="ttdeci">void statevec_controlledPhaseShift(Qureg qureg, int idQubit1, int idQubit2, qreal angle)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03226">QuEST_cpu.c:3226</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a45b0916c3e121837f214b64f7424e479"><div class="ttname"><a href="QuEST__cpu_8c.html#a45b0916c3e121837f214b64f7424e479">statevec_pauliYLocal</a></div><div class="ttdeci">void statevec_pauliYLocal(Qureg qureg, int targetQubit, int conjFac)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02887">QuEST_cpu.c:2887</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a939897137596bb73ad7a028d0beaaa10"><div class="ttname"><a href="QuEST__cpu_8c.html#a939897137596bb73ad7a028d0beaaa10">densmatr_calcHilbertSchmidtDistanceSquaredLocal</a></div><div class="ttdeci">qreal densmatr_calcHilbertSchmidtDistanceSquaredLocal(Qureg a, Qureg b)</div><div class="ttdoc">computes Tr((a-b) conjTrans(a-b)) = sum of abs values of (a-b)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00934">QuEST_cpu.c:934</a></div></div>
<div class="ttc" id="agroup__type_html_ggaa7d869b117ba5024d6b84938e8cdfc65a2ad72f168181763513d7793c13bf2a91"><div class="ttname"><a href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a2ad72f168181763513d7793c13bf2a91">DISTANCE</a></div><div class="ttdeci">@ DISTANCE</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00234">QuEST.h:234</a></div></div>
<div class="ttc" id="astructQuESTEnv_html_aa648bb336cf8598467cb62db00b9cee8"><div class="ttname"><a href="structQuESTEnv.html#aa648bb336cf8598467cb62db00b9cee8">QuESTEnv::rank</a></div><div class="ttdeci">int rank</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00364">QuEST.h:364</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a9d7928473aca695a614e9c24d903e578"><div class="ttname"><a href="QuEST__cpu_8c.html#a9d7928473aca695a614e9c24d903e578">statevec_applyPhaseFuncOverrides</a></div><div class="ttdeci">void statevec_applyPhaseFuncOverrides(Qureg qureg, int *qubits, int numQubits, enum bitEncoding encoding, qreal *coeffs, qreal *exponents, int numTerms, long long int *overrideInds, qreal *overridePhases, int numOverrides, int conj)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l04268">QuEST_cpu.c:4268</a></div></div>
<div class="ttc" id="astructDiagonalOp_html_ada3bffa8e414f883e415dd74e46cd879"><div class="ttname"><a href="structDiagonalOp.html#ada3bffa8e414f883e415dd74e46cd879">DiagonalOp::numChunks</a></div><div class="ttdeci">int numChunks</div><div class="ttdoc">The number of nodes between which the elements of this operator are split.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00304">QuEST.h:304</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ab58d6d599c7a729255b1f8eeded663f3"><div class="ttname"><a href="QuEST__cpu_8c.html#ab58d6d599c7a729255b1f8eeded663f3">agnostic_setDiagonalOpElems</a></div><div class="ttdeci">void agnostic_setDiagonalOpElems(DiagonalOp op, long long int startInd, qreal *real, qreal *imag, long long int numElems)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l04228">QuEST_cpu.c:4228</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a73a6c5647862b882f4ed7d83ec3c3e1f"><div class="ttname"><a href="QuEST__cpu_8c.html#a73a6c5647862b882f4ed7d83ec3c3e1f">densmatr_calcProbOfAllOutcomesLocal</a></div><div class="ttdeci">void densmatr_calcProbOfAllOutcomesLocal(qreal *outcomeProbs, Qureg qureg, int *qubits, int numQubits)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03616">QuEST_cpu.c:3616</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a20a155f53efc45c16803d7539c2c199d"><div class="ttname"><a href="QuEST__cpu_8c.html#a20a155f53efc45c16803d7539c2c199d">densmatr_initClassicalState</a></div><div class="ttdeci">void densmatr_initClassicalState(Qureg qureg, long long int stateInd)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01126">QuEST_cpu.c:1126</a></div></div>
<div class="ttc" id="astructQureg_html_aba97773694870ef35e378c036f486bb7"><div class="ttname"><a href="structQureg.html#aba97773694870ef35e378c036f486bb7">Qureg::pairStateVec</a></div><div class="ttdeci">ComplexArray pairStateVec</div><div class="ttdoc">Temporary storage for a chunk of the state vector received from another process in the MPI version.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00343">QuEST.h:343</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ad9fd3017ea40cf63fd04b39e03494972"><div class="ttname"><a href="QuEST__cpu_8c.html#ad9fd3017ea40cf63fd04b39e03494972">statevec_initDebugState</a></div><div class="ttdeci">void statevec_initDebugState(Qureg qureg)</div><div class="ttdoc">Initialise the state vector of probability amplitudes to an (unphysical) state with each component of...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01657">QuEST_cpu.c:1657</a></div></div>
<div class="ttc" id="aQuEST__internal_8h_html"><div class="ttname"><a href="QuEST__internal_8h.html">QuEST_internal.h</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a430d98e35f1eae7f0815ac539057cf67"><div class="ttname"><a href="QuEST__cpu_8c.html#a430d98e35f1eae7f0815ac539057cf67">statevec_findProbabilityOfZeroDistributed</a></div><div class="ttdeci">qreal statevec_findProbabilityOfZeroDistributed(Qureg qureg)</div><div class="ttdoc">Measure the probability of a specified qubit being in the zero state across all amplitudes held in th...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03513">QuEST_cpu.c:3513</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a88670d0e7cebe33f61c1dd98daa338b3"><div class="ttname"><a href="QuEST__cpu_8c.html#a88670d0e7cebe33f61c1dd98daa338b3">densmatr_mixDepolarisingDistributed</a></div><div class="ttdeci">void densmatr_mixDepolarisingDistributed(Qureg qureg, int targetQubit, qreal depolLevel)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00230">QuEST_cpu.c:230</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_acabdfbd3184d3ab3bded61e24142b800"><div class="ttname"><a href="QuEST__cpu_8c.html#acabdfbd3184d3ab3bded61e24142b800">densmatr_mixTwoQubitDepolarisingQ1LocalQ2DistributedPart3</a></div><div class="ttdeci">void densmatr_mixTwoQubitDepolarisingQ1LocalQ2DistributedPart3(Qureg qureg, int targetQubit, int qubit2, qreal delta, qreal gamma)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00638">QuEST_cpu.c:638</a></div></div>
<div class="ttc" id="aQuEST_8h_html"><div class="ttname"><a href="QuEST_8h.html">QuEST.h</a></div></div>
<div class="ttc" id="astructQureg_html_aa3deb7163aab90a61e755a1f200f5413"><div class="ttname"><a href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">Qureg::numChunks</a></div><div class="ttdeci">int numChunks</div><div class="ttdoc">Number of chunks the state vector is broken up into – the number of MPI processes used.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00338">QuEST.h:338</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ab5b51a28caa8792a3f0c637409a694b0"><div class="ttname"><a href="QuEST__cpu_8c.html#ab5b51a28caa8792a3f0c637409a694b0">statevec_swapQubitAmpsLocal</a></div><div class="ttdeci">void statevec_swapQubitAmpsLocal(Qureg qureg, int qb1, int qb2)</div><div class="ttdoc">It is ensured that all amplitudes needing to be swapped are on this node.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03922">QuEST_cpu.c:3922</a></div></div>
<div class="ttc" id="agroup__type_html_gga9c91c41aa42ae537995e89ffc616afe1a9aa2a35d92976c7de970506c4d19a96c"><div class="ttname"><a href="group__type.html#gga9c91c41aa42ae537995e89ffc616afe1a9aa2a35d92976c7de970506c4d19a96c">TWOS_COMPLEMENT</a></div><div class="ttdeci">@ TWOS_COMPLEMENT</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00269">QuEST.h:269</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a37e522505286f17fe6ef74b9f607a5c6"><div class="ttname"><a href="QuEST__cpu_8c.html#a37e522505286f17fe6ef74b9f607a5c6">getBitMaskParity</a></div><div class="ttdeci">int getBitMaskParity(long long int mask)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03307">QuEST_cpu.c:3307</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ab58fe4be895283c2c4eb86ec9af5682e"><div class="ttname"><a href="QuEST__cpu_8c.html#ab58fe4be895283c2c4eb86ec9af5682e">statevec_multiControlledUnitaryDistributed</a></div><div class="ttdeci">void statevec_multiControlledUnitaryDistributed(Qureg qureg, int targetQubit, long long int ctrlQubitsMask, long long int ctrlFlipMask, Complex rot1, Complex rot2, ComplexArray stateVecUp, ComplexArray stateVecLo, ComplexArray stateVecOut)</div><div class="ttdoc">Apply a unitary operation to a single qubit in the state vector of probability amplitudes,...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02542">QuEST_cpu.c:2542</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ac7d30ce54573c75b35386cd0e284adc5"><div class="ttname"><a href="QuEST__cpu_8c.html#ac7d30ce54573c75b35386cd0e284adc5">statevec_multiControlledMultiQubitNotLocal</a></div><div class="ttdeci">void statevec_multiControlledMultiQubitNotLocal(Qureg qureg, int ctrlMask, int targMask)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02778">QuEST_cpu.c:2778</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a57368529b2a7e76fec423cbfe9980b22"><div class="ttname"><a href="QuEST__cpu_8c.html#a57368529b2a7e76fec423cbfe9980b22">statevec_controlledUnitaryDistributed</a></div><div class="ttdeci">void statevec_controlledUnitaryDistributed(Qureg qureg, int controlQubit, Complex rot1, Complex rot2, ComplexArray stateVecUp, ComplexArray stateVecLo, ComplexArray stateVecOut)</div><div class="ttdoc">Rotate a single qubit in the state vector of probability amplitudes, given two complex numbers alpha ...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02476">QuEST_cpu.c:2476</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ab02bce0ebbb8f624e8ced8b09b99cdef"><div class="ttname"><a href="QuEST__cpu_8c.html#ab02bce0ebbb8f624e8ced8b09b99cdef">statevec_collapseToKnownProbOutcomeLocal</a></div><div class="ttdeci">void statevec_collapseToKnownProbOutcomeLocal(Qureg qureg, int measureQubit, int outcome, qreal totalProbability)</div><div class="ttdoc">Update the state vector to be consistent with measuring measureQubit=0 if outcome=0 and measureQubit=...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03767">QuEST_cpu.c:3767</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_aa4b77089145184d990848cd66993aa8b"><div class="ttname"><a href="QuEST__cpu_8c.html#aa4b77089145184d990848cd66993aa8b">statevec_cloneQureg</a></div><div class="ttdeci">void statevec_cloneQureg(Qureg targetQureg, Qureg copyQureg)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01572">QuEST_cpu.c:1572</a></div></div>
<div class="ttc" id="astructDiagonalOp_html_aa91713a22c95a383bba55e56c4a4e37a"><div class="ttname"><a href="structDiagonalOp.html#aa91713a22c95a383bba55e56c4a4e37a">DiagonalOp::chunkId</a></div><div class="ttdeci">int chunkId</div><div class="ttdoc">The position of the chunk of the operator held by this process in the full operator.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00306">QuEST.h:306</a></div></div>
<div class="ttc" id="agroup__type_html_ggaa7d869b117ba5024d6b84938e8cdfc65ae003ec1158e3a4e295616ced12af154e"><div class="ttname"><a href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65ae003ec1158e3a4e295616ced12af154e">NORM</a></div><div class="ttdeci">@ NORM</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00232">QuEST.h:232</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_aa121d55f2ca09c06a96ddcd433c60b0f"><div class="ttname"><a href="QuEST__cpu_8c.html#aa121d55f2ca09c06a96ddcd433c60b0f">statevec_setAmps</a></div><div class="ttdeci">void statevec_setAmps(Qureg qureg, long long int startInd, qreal *reals, qreal *imags, long long int numAmps)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01248">QuEST_cpu.c:1248</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a5ddfdb22e4704b680d67d08d9e80835b"><div class="ttname"><a href="QuEST__cpu_8c.html#a5ddfdb22e4704b680d67d08d9e80835b">statevec_compactUnitaryLocal</a></div><div class="ttdeci">void statevec_compactUnitaryLocal(Qureg qureg, int targetQubit, Complex alpha, Complex beta)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01754">QuEST_cpu.c:1754</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_af910c7cf2b85bdc2c399cfe8dbfb8b9c"><div class="ttname"><a href="QuEST__cpu_8c.html#af910c7cf2b85bdc2c399cfe8dbfb8b9c">densmatr_calcPurityLocal</a></div><div class="ttdeci">qreal densmatr_calcPurityLocal(Qureg qureg)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00872">QuEST_cpu.c:872</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a16ccb485bcffb328bbd5b2af6977cead"><div class="ttname"><a href="QuEST__cpu_8c.html#a16ccb485bcffb328bbd5b2af6977cead">statevec_calcExpecDiagonalOpLocal</a></div><div class="ttdeci">Complex statevec_calcExpecDiagonalOpLocal(Qureg qureg, DiagonalOp op)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l04124">QuEST_cpu.c:4124</a></div></div>
<div class="ttc" id="astructComplexMatrix4_html"><div class="ttname"><a href="structComplexMatrix4.html">ComplexMatrix4</a></div><div class="ttdoc">Represents a 4x4 matrix of complex numbers.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00175">QuEST.h:175</a></div></div>
<div class="ttc" id="agroup__type_html_ggaa7d869b117ba5024d6b84938e8cdfc65ae5114537389194302c7a619e35e6e227"><div class="ttname"><a href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65ae5114537389194302c7a619e35e6e227">SCALED_INVERSE_DISTANCE</a></div><div class="ttdeci">@ SCALED_INVERSE_DISTANCE</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00234">QuEST.h:234</a></div></div>
<div class="ttc" id="astructQuESTEnv_html"><div class="ttname"><a href="structQuESTEnv.html">QuESTEnv</a></div><div class="ttdoc">Information about the environment the program is running in.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00362">QuEST.h:362</a></div></div>
<div class="ttc" id="agroup__type_html_gga9c91c41aa42ae537995e89ffc616afe1a7165f9a47792f47c718ca128556fb3ae"><div class="ttname"><a href="group__type.html#gga9c91c41aa42ae537995e89ffc616afe1a7165f9a47792f47c718ca128556fb3ae">UNSIGNED</a></div><div class="ttdeci">@ UNSIGNED</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00269">QuEST.h:269</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a0aedcccfa50c7aaa8b7fc4c14d7cdfb8"><div class="ttname"><a href="QuEST__cpu_8c.html#a0aedcccfa50c7aaa8b7fc4c14d7cdfb8">statevec_multiControlledMultiQubitUnitaryLocal</a></div><div class="ttdeci">void statevec_multiControlledMultiQubitUnitaryLocal(Qureg qureg, long long int ctrlMask, int *targs, int numTargs, ComplexMatrixN u)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01912">QuEST_cpu.c:1912</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a758bad4237ff0bf3b4ff5be626a982ae"><div class="ttname"><a href="QuEST__cpu_8c.html#a758bad4237ff0bf3b4ff5be626a982ae">statevec_initBlankState</a></div><div class="ttdeci">void statevec_initBlankState(Qureg qureg)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01464">QuEST_cpu.c:1464</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_af8236a00389137b5eff986a40577eaf3"><div class="ttname"><a href="QuEST__cpu_8c.html#af8236a00389137b5eff986a40577eaf3">statevec_multiControlledTwoQubitUnitaryLocal</a></div><div class="ttdeci">void statevec_multiControlledTwoQubitUnitaryLocal(Qureg qureg, long long int ctrlMask, int q1, int q2, ComplexMatrix4 u)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01813">QuEST_cpu.c:1813</a></div></div>
<div class="ttc" id="astructComplexMatrixN_html"><div class="ttname"><a href="structComplexMatrixN.html">ComplexMatrixN</a></div><div class="ttdoc">Represents a general 2^N by 2^N matrix of complex numbers.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00186">QuEST.h:186</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a288dc4b46bdacd69cbf4a6fd070d26a7"><div class="ttname"><a href="QuEST__cpu_8c.html#a288dc4b46bdacd69cbf4a6fd070d26a7">statevec_initClassicalState</a></div><div class="ttdeci">void statevec_initClassicalState(Qureg qureg, long long int stateInd)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01536">QuEST_cpu.c:1536</a></div></div>
<div class="ttc" id="agroup__type_html_ggaa7d869b117ba5024d6b84938e8cdfc65a6313e6ff48163c11c47866c4fda4bfa0"><div class="ttname"><a href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a6313e6ff48163c11c47866c4fda4bfa0">INVERSE_DISTANCE</a></div><div class="ttdeci">@ INVERSE_DISTANCE</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00234">QuEST.h:234</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a464efbd1d7ca5a7b25c83ada001955c2"><div class="ttname"><a href="QuEST__cpu_8c.html#a464efbd1d7ca5a7b25c83ada001955c2">statevec_pauliXDistributed</a></div><div class="ttdeci">void statevec_pauliXDistributed(Qureg qureg, ComplexArray stateVecIn, ComplexArray stateVecOut)</div><div class="ttdoc">Rotate a single qubit by {{0,1},{1,0}.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02651">QuEST_cpu.c:2651</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_aa31f0ef43a921c3ac73545d1d3670fa1"><div class="ttname"><a href="QuEST__cpu_8c.html#aa31f0ef43a921c3ac73545d1d3670fa1">densmatr_mixDephasing</a></div><div class="ttdeci">void densmatr_mixDephasing(Qureg qureg, int targetQubit, qreal dephase)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00085">QuEST_cpu.c:85</a></div></div>
<div class="ttc" id="amt19937ar_8h_html"><div class="ttname"><a href="mt19937ar_8h.html">mt19937ar.h</a></div></div>
<div class="ttc" id="agroup__type_html_ga7740e349b4f8bae6451547680f0ce2d6"><div class="ttname"><a href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a></div><div class="ttdeci">#define qreal</div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_af798bb01f922804016c4c5bc8d0a580f"><div class="ttname"><a href="QuEST__cpu_8c.html#af798bb01f922804016c4c5bc8d0a580f">agnostic_destroyDiagonalOp</a></div><div class="ttdeci">void agnostic_destroyDiagonalOp(DiagonalOp op)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01368">QuEST_cpu.c:1368</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_afb1e220c272754d0773aeccdb613b6b3"><div class="ttname"><a href="QuEST__cpu_8c.html#afb1e220c272754d0773aeccdb613b6b3">statevec_calcProbOfAllOutcomesLocal</a></div><div class="ttdeci">void statevec_calcProbOfAllOutcomesLocal(qreal *outcomeProbs, Qureg qureg, int *qubits, int numQubits)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03549">QuEST_cpu.c:3549</a></div></div>
<div class="ttc" id="aQuEST__gpu_8cu_html_ae1b7788cf504ec3d79de3855f97929c7"><div class="ttname"><a href="QuEST__gpu_8cu.html#ae1b7788cf504ec3d79de3855f97929c7">flipBit</a></div><div class="ttdeci">__forceinline__ __device__ long long int flipBit(const long long int number, const int bitInd)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__gpu_8cu_source.html#l00095">QuEST_gpu.cu:95</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_aa662796ea6e0f471143c53becae8c12c"><div class="ttname"><a href="QuEST__cpu_8c.html#aa662796ea6e0f471143c53becae8c12c">statevec_multiControlledPhaseShift</a></div><div class="ttdeci">void statevec_multiControlledPhaseShift(Qureg qureg, int *controlQubits, int numControlQubits, qreal angle)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03266">QuEST_cpu.c:3266</a></div></div>
<div class="ttc" id="astructQureg_html_a0a86e8a50ea8c998b4a0a6640c5a1218"><div class="ttname"><a href="structQureg.html#a0a86e8a50ea8c998b4a0a6640c5a1218">Qureg::numQubitsInStateVec</a></div><div class="ttdeci">int numQubitsInStateVec</div><div class="ttdoc">Number of qubits in the state-vector - this is double the number represented for mixed states.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00329">QuEST.h:329</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ad5b7e25e42427dfa7f19fd950264bb16"><div class="ttname"><a href="QuEST__cpu_8c.html#ad5b7e25e42427dfa7f19fd950264bb16">statevec_applyParamNamedPhaseFuncOverrides</a></div><div class="ttdeci">void statevec_applyParamNamedPhaseFuncOverrides(Qureg qureg, int *qubits, int *numQubitsPerReg, int numRegs, enum bitEncoding encoding, enum phaseFunc phaseFuncName, qreal *params, int numParams, long long int *overrideInds, qreal *overridePhases, int numOverrides, int conj)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l04446">QuEST_cpu.c:4446</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a7ea68e9132ed9db9c242353a33dba2f0"><div class="ttname"><a href="QuEST__cpu_8c.html#a7ea68e9132ed9db9c242353a33dba2f0">statevec_collapseToOutcomeDistributedSetZero</a></div><div class="ttdeci">void statevec_collapseToOutcomeDistributedSetZero(Qureg qureg)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03887">QuEST_cpu.c:3887</a></div></div>
<div class="ttc" id="astructQureg_html_ac2929e681d3d95591c18cf168dbbe4f0"><div class="ttname"><a href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">Qureg::chunkId</a></div><div class="ttdeci">int chunkId</div><div class="ttdoc">The position of the chunk of the state vector held by this process in the full state vector.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00336">QuEST.h:336</a></div></div>
<div class="ttc" id="astructComplexMatrix2_html_a3a2b60a9e00ccef054a6de3b9307c1be"><div class="ttname"><a href="structComplexMatrix2.html#a3a2b60a9e00ccef054a6de3b9307c1be">ComplexMatrix2::imag</a></div><div class="ttdeci">qreal imag[2][2]</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00140">QuEST.h:140</a></div></div>
<div class="ttc" id="aQuEST__cpu__internal_8h_html"><div class="ttname"><a href="QuEST__cpu__internal_8h.html">QuEST_cpu_internal.h</a></div></div>
<div class="ttc" id="aQuEST__gpu_8cu_html_a5c6f1b2c71f43e57de4a1f818ddfbfd0"><div class="ttname"><a href="QuEST__gpu_8cu.html#a5c6f1b2c71f43e57de4a1f818ddfbfd0">insertZeroBit</a></div><div class="ttdeci">__forceinline__ __device__ long long int insertZeroBit(const long long int number, const int index)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__gpu_8cu_source.html#l00099">QuEST_gpu.cu:99</a></div></div>
<div class="ttc" id="astructDiagonalOp_html_a85c3f52533efe831bbe40b9a48602388"><div class="ttname"><a href="structDiagonalOp.html#a85c3f52533efe831bbe40b9a48602388">DiagonalOp::imag</a></div><div class="ttdeci">qreal * imag</div><div class="ttdoc">The imaginary values of the 2^numQubits complex elements.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00310">QuEST.h:310</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_aaf78491e35d165edfd57387f9fffecbd"><div class="ttname"><a href="QuEST__cpu_8c.html#aaf78491e35d165edfd57387f9fffecbd">statevec_controlledPhaseFlip</a></div><div class="ttdeci">void statevec_controlledPhaseFlip(Qureg qureg, int idQubit1, int idQubit2)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03687">QuEST_cpu.c:3687</a></div></div>
<div class="ttc" id="agroup__type_html_gaa7d869b117ba5024d6b84938e8cdfc65"><div class="ttname"><a href="group__type.html#gaa7d869b117ba5024d6b84938e8cdfc65">phaseFunc</a></div><div class="ttdeci">phaseFunc</div><div class="ttdoc">Flags for specifying named phase functions.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00231">QuEST.h:231</a></div></div>
<div class="ttc" id="astructQureg_html_ab0ea0358482b62f43fdd781469607d97"><div class="ttname"><a href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">Qureg::numAmpsPerChunk</a></div><div class="ttdeci">long long int numAmpsPerChunk</div><div class="ttdoc">Number of probability amplitudes held in stateVec by this process In the non-MPI version,...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00332">QuEST.h:332</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a3510f01d4d15dcc545564eb84c668cad"><div class="ttname"><a href="QuEST__cpu_8c.html#a3510f01d4d15dcc545564eb84c668cad">densmatr_mixTwoQubitDepolarisingLocal</a></div><div class="ttdeci">void densmatr_mixTwoQubitDepolarisingLocal(Qureg qureg, int qubit1, int qubit2, qreal delta, qreal gamma)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00393">QuEST_cpu.c:393</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a2ca0c6ba07ab2b4b437321bf17efc966"><div class="ttname"><a href="QuEST__cpu_8c.html#a2ca0c6ba07ab2b4b437321bf17efc966">statevec_initZeroState</a></div><div class="ttdeci">void statevec_initZeroState(Qureg qureg)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01494">QuEST_cpu.c:1494</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a482fc361fd5f08075404c72e536316a0"><div class="ttname"><a href="QuEST__cpu_8c.html#a482fc361fd5f08075404c72e536316a0">statevec_initPlusState</a></div><div class="ttdeci">void statevec_initPlusState(Qureg qureg)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01504">QuEST_cpu.c:1504</a></div></div>
<div class="ttc" id="astructPauliHamil_html_ac1c6c9f6299cf83bbba88123216c3cac"><div class="ttname"><a href="structPauliHamil.html#ac1c6c9f6299cf83bbba88123216c3cac">PauliHamil::termCoeffs</a></div><div class="ttdeci">qreal * termCoeffs</div><div class="ttdoc">The real coefficient of each Pauli product. This is an array of length PauliHamil....</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00283">QuEST.h:283</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a365bbb1b80cb00405c8bf1a4fa1ea8e5"><div class="ttname"><a href="QuEST__cpu_8c.html#a365bbb1b80cb00405c8bf1a4fa1ea8e5">statevec_createQureg</a></div><div class="ttdeci">void statevec_createQureg(Qureg *qureg, int numQubits, QuESTEnv env)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01290">QuEST_cpu.c:1290</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a06fb16aa4af7c54d36052a14d3ad58a7"><div class="ttname"><a href="QuEST__cpu_8c.html#a06fb16aa4af7c54d36052a14d3ad58a7">statevec_controlledPauliYLocal</a></div><div class="ttdeci">void statevec_controlledPauliYLocal(Qureg qureg, int controlQubit, int targetQubit, int conjFac)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02982">QuEST_cpu.c:2982</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a717a0448066831cb5b392bcf2e1d0529"><div class="ttname"><a href="QuEST__cpu_8c.html#a717a0448066831cb5b392bcf2e1d0529">densmatr_oneQubitDegradeOffDiagonal</a></div><div class="ttdeci">void densmatr_oneQubitDegradeOffDiagonal(Qureg qureg, int targetQubit, qreal retain)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00054">QuEST_cpu.c:54</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a8adaba9dbdad6f7ab41ae4b8db0abefe"><div class="ttname"><a href="QuEST__cpu_8c.html#a8adaba9dbdad6f7ab41ae4b8db0abefe">densmatr_mixDensityMatrix</a></div><div class="ttdeci">void densmatr_mixDensityMatrix(Qureg combineQureg, qreal otherProb, Qureg otherQureg)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00901">QuEST_cpu.c:901</a></div></div>
<div class="ttc" id="astructPauliHamil_html_a4b8d38c403553c07ceddcd40c46ce6c8"><div class="ttname"><a href="structPauliHamil.html#a4b8d38c403553c07ceddcd40c46ce6c8">PauliHamil::pauliCodes</a></div><div class="ttdeci">enum pauliOpType * pauliCodes</div><div class="ttdoc">The Pauli operators acting on each qubit, flattened over every operator.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00281">QuEST.h:281</a></div></div>
<div class="ttc" id="agroup__debug_html_ga11448560006dd165128e404b54ebb2f7"><div class="ttname"><a href="group__debug.html#ga11448560006dd165128e404b54ebb2f7">copyStateToGPU</a></div><div class="ttdeci">void copyStateToGPU(Qureg qureg)</div><div class="ttdoc">In GPU mode, this copies the state-vector (or density matrix) from RAM (qureg.stateVec) to VRAM / GPU...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00042">QuEST_cpu.c:42</a></div></div>
<div class="ttc" id="agroup__type_html_ggaa7d869b117ba5024d6b84938e8cdfc65a31a29a30f92fe34c35098f941adbbc93"><div class="ttname"><a href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a31a29a30f92fe34c35098f941adbbc93">SCALED_PRODUCT</a></div><div class="ttdeci">@ SCALED_PRODUCT</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00233">QuEST.h:233</a></div></div>
<div class="ttc" id="aQuEST__precision_8h_html_a6698ce2a3971003a0a0289e5980d39c5"><div class="ttname"><a href="QuEST__precision_8h.html#a6698ce2a3971003a0a0289e5980d39c5">MAX_NUM_REGS_APPLY_ARBITRARY_PHASE</a></div><div class="ttdeci">#define MAX_NUM_REGS_APPLY_ARBITRARY_PHASE</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__precision_8h_source.html#l00072">QuEST_precision.h:72</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a0abdff5f6065f9d57065345e6d90fc94"><div class="ttname"><a href="QuEST__cpu_8c.html#a0abdff5f6065f9d57065345e6d90fc94">alternateNormZeroingSomeAmpBlocks</a></div><div class="ttdeci">void alternateNormZeroingSomeAmpBlocks(Qureg qureg, qreal norm, int normFirst, long long int startAmpInd, long long int numAmps, long long int blockSize)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00760">QuEST_cpu.c:760</a></div></div>
<div class="ttc" id="astructQuESTEnv_html_af22aacd7c9905accae28484785c193b4"><div class="ttname"><a href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">QuESTEnv::numRanks</a></div><div class="ttdeci">int numRanks</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00365">QuEST.h:365</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a0a7a35628b1c1eb47336deb9afda5b68"><div class="ttname"><a href="QuEST__cpu_8c.html#a0a7a35628b1c1eb47336deb9afda5b68">statevec_compactUnitaryDistributed</a></div><div class="ttdeci">void statevec_compactUnitaryDistributed(Qureg qureg, Complex rot1, Complex rot2, ComplexArray stateVecUp, ComplexArray stateVecLo, ComplexArray stateVecOut)</div><div class="ttdoc">Rotate a single qubit in the state vector of probability amplitudes, given two complex numbers alpha ...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02095">QuEST_cpu.c:2095</a></div></div>
<div class="ttc" id="astructComplexMatrix4_html_a1f6bb840b5a9e6252980cab7a14f1a35"><div class="ttname"><a href="structComplexMatrix4.html#a1f6bb840b5a9e6252980cab7a14f1a35">ComplexMatrix4::imag</a></div><div class="ttdeci">qreal imag[4][4]</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00178">QuEST.h:178</a></div></div>
<div class="ttc" id="astructDiagonalOp_html_a5131eeb67aafb4c19ac98270c3266742"><div class="ttname"><a href="structDiagonalOp.html#a5131eeb67aafb4c19ac98270c3266742">DiagonalOp::numQubits</a></div><div class="ttdeci">int numQubits</div><div class="ttdoc">The number of qubits this operator can act on (informing its size)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00300">QuEST.h:300</a></div></div>
<div class="ttc" id="astructPauliHamil_html_a737e46b40ef8990cf004d22eb9dbe2e4"><div class="ttname"><a href="structPauliHamil.html#a737e46b40ef8990cf004d22eb9dbe2e4">PauliHamil::numSumTerms</a></div><div class="ttdeci">int numSumTerms</div><div class="ttdoc">The number of terms in the weighted sum, or the number of Pauli products.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00285">QuEST.h:285</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ab19f28e68330da68ea3caa2bdef32da9"><div class="ttname"><a href="QuEST__cpu_8c.html#ab19f28e68330da68ea3caa2bdef32da9">statevec_multiControlledUnitaryLocal</a></div><div class="ttdeci">void statevec_multiControlledUnitaryLocal(Qureg qureg, int targetQubit, long long int ctrlQubitsMask, long long int ctrlFlipMask, ComplexMatrix2 u)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02268">QuEST_cpu.c:2268</a></div></div>
<div class="ttc" id="aQuEST__common_8c_html_acc45bb8300922ea5933e294921e25ea2"><div class="ttname"><a href="QuEST__common_8c.html#acc45bb8300922ea5933e294921e25ea2">getQubitBitMask</a></div><div class="ttdeci">long long int getQubitBitMask(int *qubits, int numQubits)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__common_8c_source.html#l00050">QuEST_common.c:50</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a031a99b7e97779f3dc782feffe86e779"><div class="ttname"><a href="QuEST__cpu_8c.html#a031a99b7e97779f3dc782feffe86e779">normaliseSomeAmps</a></div><div class="ttdeci">void normaliseSomeAmps(Qureg qureg, qreal norm, long long int startInd, long long int numAmps)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00750">QuEST_cpu.c:750</a></div></div>
<div class="ttc" id="astructDiagonalOp_html"><div class="ttname"><a href="structDiagonalOp.html">DiagonalOp</a></div><div class="ttdoc">Represents a diagonal complex operator on the full Hilbert state of a Qureg.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00297">QuEST.h:297</a></div></div>
<div class="ttc" id="astructPauliHamil_html"><div class="ttname"><a href="structPauliHamil.html">PauliHamil</a></div><div class="ttdoc">A Pauli Hamiltonian, expressed as a real-weighted sum of pauli products, and which can hence represen...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00277">QuEST.h:277</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a0f562af6cb665a8a7a3f80e9449734d5"><div class="ttname"><a href="QuEST__cpu_8c.html#a0f562af6cb665a8a7a3f80e9449734d5">statevec_pauliYDistributed</a></div><div class="ttdeci">void statevec_pauliYDistributed(Qureg qureg, ComplexArray stateVecIn, ComplexArray stateVecOut, int updateUpper, int conjFac)</div><div class="ttdoc">Rotate a single qubit by +-{{0,-i},{i,0}.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02945">QuEST_cpu.c:2945</a></div></div>
<div class="ttc" id="agroup__type_html_ggaa7d869b117ba5024d6b84938e8cdfc65aa318172feec5b530e9a7849f2f7b44e7"><div class="ttname"><a href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65aa318172feec5b530e9a7849f2f7b44e7">SCALED_INVERSE_SHIFTED_NORM</a></div><div class="ttdeci">@ SCALED_INVERSE_SHIFTED_NORM</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00232">QuEST.h:232</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a8d9c19a3424f0ad89bfbfd920d65301d"><div class="ttname"><a href="QuEST__cpu_8c.html#a8d9c19a3424f0ad89bfbfd920d65301d">densmatr_mixDampingDistributed</a></div><div class="ttdeci">void densmatr_mixDampingDistributed(Qureg qureg, int targetQubit, qreal damping)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00306">QuEST_cpu.c:306</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_aeb4453a2e609e5359d2995bccf6663ca"><div class="ttname"><a href="QuEST__cpu_8c.html#aeb4453a2e609e5359d2995bccf6663ca">densmatr_calcExpecDiagonalOpLocal</a></div><div class="ttdeci">Complex densmatr_calcExpecDiagonalOpLocal(Qureg qureg, DiagonalOp op)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l04167">QuEST_cpu.c:4167</a></div></div>
<div class="ttc" id="astructComplexMatrixN_html_a446e8a077597e4f76049d547df0c9738"><div class="ttname"><a href="structComplexMatrixN.html#a446e8a077597e4f76049d547df0c9738">ComplexMatrixN::real</a></div><div class="ttdeci">qreal ** real</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00189">QuEST.h:189</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_aa987d1e0ba97da2ca540194356dd62de"><div class="ttname"><a href="QuEST__cpu_8c.html#aa987d1e0ba97da2ca540194356dd62de">statevec_pauliXLocal</a></div><div class="ttdeci">void statevec_pauliXLocal(Qureg qureg, int targetQubit)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02593">QuEST_cpu.c:2593</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a1e8f917ab42d38d8c37ba6816b24f2f5"><div class="ttname"><a href="QuEST__cpu_8c.html#a1e8f917ab42d38d8c37ba6816b24f2f5">agnostic_syncDiagonalOp</a></div><div class="ttdeci">void agnostic_syncDiagonalOp(DiagonalOp op)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01373">QuEST_cpu.c:1373</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a1b36518c8fbbc3a5084bb4ad1fb05ea5"><div class="ttname"><a href="QuEST__cpu_8c.html#a1b36518c8fbbc3a5084bb4ad1fb05ea5">densmatr_initPureStateLocal</a></div><div class="ttdeci">void densmatr_initPureStateLocal(Qureg targetQureg, Qureg copyQureg)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01195">QuEST_cpu.c:1195</a></div></div>
<div class="ttc" id="aQuEST__gpu_8cu_html_aec1852e1a8e70d3690919ce8ab551ba0"><div class="ttname"><a href="QuEST__gpu_8cu.html#aec1852e1a8e70d3690919ce8ab551ba0">extractBit</a></div><div class="ttdeci">__forceinline__ __device__ int extractBit(const int locationOfBitFromRight, const long long int theEncodedNumber)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__gpu_8cu_source.html#l00082">QuEST_gpu.cu:82</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ab124a3a9956046bf9c0e1e3ae9171f42"><div class="ttname"><a href="QuEST__cpu_8c.html#ab124a3a9956046bf9c0e1e3ae9171f42">densmatr_mixDampingLocal</a></div><div class="ttdeci">void densmatr_mixDampingLocal(Qureg qureg, int targetQubit, qreal damping)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00180">QuEST_cpu.c:180</a></div></div>
<div class="ttc" id="agroup__type_html_ggaa7d869b117ba5024d6b84938e8cdfc65ad4c32e295c08ebe224e2c5ba6497f043"><div class="ttname"><a href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65ad4c32e295c08ebe224e2c5ba6497f043">INVERSE_NORM</a></div><div class="ttdeci">@ INVERSE_NORM</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00232">QuEST.h:232</a></div></div>
<div class="ttc" id="astructQureg_html"><div class="ttname"><a href="structQureg.html">Qureg</a></div><div class="ttdoc">Represents a system of qubits.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00322">QuEST.h:322</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a08392b1b27d10e3b8a8648a5afeaa629"><div class="ttname"><a href="QuEST__cpu_8c.html#a08392b1b27d10e3b8a8648a5afeaa629">densmatr_calcInnerProductLocal</a></div><div class="ttdeci">qreal densmatr_calcInnerProductLocal(Qureg a, Qureg b)</div><div class="ttdoc">computes Tr(conjTrans(a) b) = sum of (a_ij^* b_ij)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00969">QuEST_cpu.c:969</a></div></div>
<div class="ttc" id="aQuEST__gpu_8cu_html_a4760109974e9b52c60e9d60ccded3138"><div class="ttname"><a href="QuEST__gpu_8cu.html#a4760109974e9b52c60e9d60ccded3138">insertTwoZeroBits</a></div><div class="ttdeci">__forceinline__ __device__ long long int insertTwoZeroBits(const long long int number, const int bit1, const int bit2)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__gpu_8cu_source.html#l00106">QuEST_gpu.cu:106</a></div></div>
<div class="ttc" id="astructComplexMatrixN_html_afde13e469a3b4f179f45e53d1ec0a7cf"><div class="ttname"><a href="structComplexMatrixN.html#afde13e469a3b4f179f45e53d1ec0a7cf">ComplexMatrixN::imag</a></div><div class="ttdeci">qreal ** imag</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00190">QuEST.h:190</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ae6f0c9ed9261afbab4712e056a88763d"><div class="ttname"><a href="QuEST__cpu_8c.html#ae6f0c9ed9261afbab4712e056a88763d">statevec_multiControlledMultiQubitNotDistributed</a></div><div class="ttdeci">void statevec_multiControlledMultiQubitNotDistributed(Qureg qureg, int ctrlMask, int targMask, ComplexArray stateVecIn, ComplexArray stateVecOut)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02834">QuEST_cpu.c:2834</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a0ce2c2fd54df25495e99dc5b95bed4b2"><div class="ttname"><a href="QuEST__cpu_8c.html#a0ce2c2fd54df25495e99dc5b95bed4b2">statevec_unitaryDistributed</a></div><div class="ttdeci">void statevec_unitaryDistributed(Qureg qureg, Complex rot1, Complex rot2, ComplexArray stateVecUp, ComplexArray stateVecLo, ComplexArray stateVecOut)</div><div class="ttdoc">Apply a unitary operation to a single qubit given a subset of the state vector with upper and lower b...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02151">QuEST_cpu.c:2151</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a071baf8b6951d2a7d6529394b6f39364"><div class="ttname"><a href="QuEST__cpu_8c.html#a071baf8b6951d2a7d6529394b6f39364">statevec_controlledCompactUnitaryDistributed</a></div><div class="ttdeci">void statevec_controlledCompactUnitaryDistributed(Qureg qureg, int controlQubit, Complex rot1, Complex rot2, ComplexArray stateVecUp, ComplexArray stateVecLo, ComplexArray stateVecOut)</div><div class="ttdoc">Rotate a single qubit in the state vector of probability amplitudes, given two complex numbers alpha ...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02414">QuEST_cpu.c:2414</a></div></div>
<div class="ttc" id="agroup__type_html_ggaa7d869b117ba5024d6b84938e8cdfc65acb6911398e0068f545a31b82bcdef3e4"><div class="ttname"><a href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65acb6911398e0068f545a31b82bcdef3e4">PRODUCT</a></div><div class="ttdeci">@ PRODUCT</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00233">QuEST.h:233</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ae6cecbad32a03416138b321cdc1a2c33"><div class="ttname"><a href="QuEST__cpu_8c.html#ae6cecbad32a03416138b321cdc1a2c33">statevec_compareStates</a></div><div class="ttdeci">int statevec_compareStates(Qureg mq1, Qureg mq2, qreal precision)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01741">QuEST_cpu.c:1741</a></div></div>
<div class="ttc" id="aQuEST__precision_8h_html"><div class="ttname"><a href="QuEST__precision_8h.html">QuEST_precision.h</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ac4ee5979d475e8c729294b8ef7e0270d"><div class="ttname"><a href="QuEST__cpu_8c.html#ac4ee5979d475e8c729294b8ef7e0270d">statevec_multiControlledPhaseFlip</a></div><div class="ttdeci">void statevec_multiControlledPhaseFlip(Qureg qureg, int *controlQubits, int numControlQubits)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03718">QuEST_cpu.c:3718</a></div></div>
<div class="ttc" id="astructQureg_html_a441e4cacef6bd17adb9813c7442d42fe"><div class="ttname"><a href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">Qureg::stateVec</a></div><div class="ttdeci">ComplexArray stateVec</div><div class="ttdoc">Computational state amplitudes - a subset thereof in the MPI version.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00341">QuEST.h:341</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ab33437d10c1ce1c4b034c7c411db553f"><div class="ttname"><a href="QuEST__cpu_8c.html#ab33437d10c1ce1c4b034c7c411db553f">statevec_applyMultiVarPhaseFuncOverrides</a></div><div class="ttdeci">void statevec_applyMultiVarPhaseFuncOverrides(Qureg qureg, int *qubits, int *numQubitsPerReg, int numRegs, enum bitEncoding encoding, qreal *coeffs, qreal *exponents, int *numTermsPerReg, long long int *overrideInds, qreal *overridePhases, int numOverrides, int conj)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l04345">QuEST_cpu.c:4345</a></div></div>
<div class="ttc" id="astructComplexMatrix2_html_a3ea98d545b67a190ee6abe936c72076f"><div class="ttname"><a href="structComplexMatrix2.html#a3ea98d545b67a190ee6abe936c72076f">ComplexMatrix2::real</a></div><div class="ttdeci">qreal real[2][2]</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00139">QuEST.h:139</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ab750fb47da2fca9849c678c869e40e69"><div class="ttname"><a href="QuEST__cpu_8c.html#ab750fb47da2fca9849c678c869e40e69">densmatr_mixDepolarisingLocal</a></div><div class="ttdeci">void densmatr_mixDepolarisingLocal(Qureg qureg, int targetQubit, qreal depolLevel)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00131">QuEST_cpu.c:131</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ad09bb76ad67581b03ab176832cca37cf"><div class="ttname"><a href="QuEST__cpu_8c.html#ad09bb76ad67581b03ab176832cca37cf">statevec_collapseToKnownProbOutcomeDistributedRenorm</a></div><div class="ttdeci">void statevec_collapseToKnownProbOutcomeDistributedRenorm(Qureg qureg, int measureQubit, qreal totalProbability)</div><div class="ttdoc">Renormalise parts of the state vector where measureQubit=0 or 1, based on the total probability of th...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03849">QuEST_cpu.c:3849</a></div></div>
<div class="ttc" id="astructDiagonalOp_html_a2c6eab631ef48b4978db026c98180eee"><div class="ttname"><a href="structDiagonalOp.html#a2c6eab631ef48b4978db026c98180eee">DiagonalOp::numElemsPerChunk</a></div><div class="ttdeci">long long int numElemsPerChunk</div><div class="ttdoc">The number of the 2^numQubits amplitudes stored on each distributed node.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00302">QuEST.h:302</a></div></div>
<div class="ttc" id="astructQureg_html_acf78445e9435d09f44f0cc832c6aee79"><div class="ttname"><a href="structQureg.html#acf78445e9435d09f44f0cc832c6aee79">Qureg::isDensityMatrix</a></div><div class="ttdeci">int isDensityMatrix</div><div class="ttdoc">Whether this instance is a density-state representation.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00325">QuEST.h:325</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a86dbcc3db99294add9964741e19fbdab"><div class="ttname"><a href="QuEST__cpu_8c.html#a86dbcc3db99294add9964741e19fbdab">statevec_hadamardLocal</a></div><div class="ttdeci">void statevec_hadamardLocal(Qureg qureg, int targetQubit)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03078">QuEST_cpu.c:3078</a></div></div>
<div class="ttc" id="astructComplexMatrixN_html_a606f7afbc3f65a596bdca21cb43be6a8"><div class="ttname"><a href="structComplexMatrixN.html#a606f7afbc3f65a596bdca21cb43be6a8">ComplexMatrixN::numQubits</a></div><div class="ttdeci">int numQubits</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00188">QuEST.h:188</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_afa58cf7cb98a25ab33621120c5c330d0"><div class="ttname"><a href="QuEST__cpu_8c.html#afa58cf7cb98a25ab33621120c5c330d0">densmatr_applyDiagonalOpLocal</a></div><div class="ttdeci">void densmatr_applyDiagonalOpLocal(Qureg qureg, DiagonalOp op)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l04082">QuEST_cpu.c:4082</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a903beb4f5d8753a964ce2dc5f9096a24"><div class="ttname"><a href="QuEST__cpu_8c.html#a903beb4f5d8753a964ce2dc5f9096a24">statevec_controlledUnitaryLocal</a></div><div class="ttdeci">void statevec_controlledUnitaryLocal(Qureg qureg, int controlQubit, int targetQubit, ComplexMatrix2 u)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02336">QuEST_cpu.c:2336</a></div></div>
<div class="ttc" id="aQuEST__cpu__internal_8h_html_a0e4eb651e7cb309bcd664b89ac9a2242"><div class="ttname"><a href="QuEST__cpu__internal_8h.html#a0e4eb651e7cb309bcd664b89ac9a2242">isOddParity</a></div><div class="ttdeci">static int isOddParity(const long long int number, const int qb1, const int qb2)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu__internal_8h_source.html#l00038">QuEST_cpu_internal.h:38</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a8a639c31701d989a5db7aa1f6b13db60"><div class="ttname"><a href="QuEST__cpu_8c.html#a8a639c31701d989a5db7aa1f6b13db60">densmatr_collapseToKnownProbOutcome</a></div><div class="ttdeci">void densmatr_collapseToKnownProbOutcome(Qureg qureg, int measureQubit, int outcome, qreal totalStateProb)</div><div class="ttdoc">Renorms (/prob) every | * outcome * >< * outcome * | state, setting all others to zero.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00791">QuEST_cpu.c:791</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a2a52ad9f9ad9b2fd6a76f6d433b3b217"><div class="ttname"><a href="QuEST__cpu_8c.html#a2a52ad9f9ad9b2fd6a76f6d433b3b217">statevec_destroyQureg</a></div><div class="ttdeci">void statevec_destroyQureg(Qureg qureg, QuESTEnv env)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01328">QuEST_cpu.c:1328</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ae90f82418e0aa67218d733dbbc681998"><div class="ttname"><a href="QuEST__cpu_8c.html#ae90f82418e0aa67218d733dbbc681998">densmatr_mixTwoQubitDepolarisingLocalPart1</a></div><div class="ttdeci">void densmatr_mixTwoQubitDepolarisingLocalPart1(Qureg qureg, int qubit1, int qubit2, qreal delta)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00494">QuEST_cpu.c:494</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a8d88b4ed94ab024e5e7b2f1f4f505b44"><div class="ttname"><a href="QuEST__cpu_8c.html#a8d88b4ed94ab024e5e7b2f1f4f505b44">statevec_multiRotateZ</a></div><div class="ttdeci">void statevec_multiRotateZ(Qureg qureg, long long int mask, qreal angle)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03316">QuEST_cpu.c:3316</a></div></div>
<div class="ttc" id="astructPauliHamil_html_acb49fff0e3160ea1904c9ca34408b4e1"><div class="ttname"><a href="structPauliHamil.html#acb49fff0e3160ea1904c9ca34408b4e1">PauliHamil::numQubits</a></div><div class="ttdeci">int numQubits</div><div class="ttdoc">The number of qubits informing the Hilbert dimension of the Hamiltonian.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00287">QuEST.h:287</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a393da4c4bc582a757ca8406d8501aca0"><div class="ttname"><a href="QuEST__cpu_8c.html#a393da4c4bc582a757ca8406d8501aca0">statevec_controlledNotDistributed</a></div><div class="ttdeci">void statevec_controlledNotDistributed(Qureg qureg, int controlQubit, ComplexArray stateVecIn, ComplexArray stateVecOut)</div><div class="ttdoc">Rotate a single qubit by {{0,1},{1,0}.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02742">QuEST_cpu.c:2742</a></div></div>
<div class="ttc" id="astructQureg_html_ad08dff5316b8937f4b2a1417591543dc"><div class="ttname"><a href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">Qureg::numQubitsRepresented</a></div><div class="ttdeci">int numQubitsRepresented</div><div class="ttdoc">The number of qubits represented in either the state-vector or density matrix.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00327">QuEST.h:327</a></div></div>
<div class="ttc" id="astructQureg_html_adef4935cac95763c29164cf99b144ed4"><div class="ttname"><a href="structQureg.html#adef4935cac95763c29164cf99b144ed4">Qureg::numAmpsTotal</a></div><div class="ttdeci">long long int numAmpsTotal</div><div class="ttdoc">Total number of amplitudes, which are possibly distributed among machines.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00334">QuEST.h:334</a></div></div>
<div class="ttc" id="agroup__type_html_ggaa7d869b117ba5024d6b84938e8cdfc65ace23d4b924240a245d83193f0ce398d4"><div class="ttname"><a href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65ace23d4b924240a245d83193f0ce398d4">SCALED_DISTANCE</a></div><div class="ttdeci">@ SCALED_DISTANCE</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00234">QuEST.h:234</a></div></div>
<div class="ttc" id="astructDiagonalOp_html_a1d66088bed235d524cd452b107694d5c"><div class="ttname"><a href="structDiagonalOp.html#a1d66088bed235d524cd452b107694d5c">DiagonalOp::real</a></div><div class="ttdeci">qreal * real</div><div class="ttdoc">The real values of the 2^numQubits complex elements.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00308">QuEST.h:308</a></div></div>
<div class="ttc" id="astructComplex_html_ab5b2e2eca02131fc74b289a83636cbe3"><div class="ttname"><a href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">Complex::real</a></div><div class="ttdeci">qreal real</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00105">QuEST.h:105</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_abe74a5a9db8340e37b80fbc77338894d"><div class="ttname"><a href="QuEST__cpu_8c.html#abe74a5a9db8340e37b80fbc77338894d">statevec_swapQubitAmpsDistributed</a></div><div class="ttdeci">void statevec_swapQubitAmpsDistributed(Qureg qureg, int pairRank, int qb1, int qb2)</div><div class="ttdoc">qureg.pairStateVec contains the entire set of amplitudes of the paired node which includes the set of...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03965">QuEST_cpu.c:3965</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a05756b45f10135bb2eeb07380f806c20"><div class="ttname"><a href="QuEST__cpu_8c.html#a05756b45f10135bb2eeb07380f806c20">statevec_initStateFromSingleFile</a></div><div class="ttdeci">int statevec_initStateFromSingleFile(Qureg *qureg, char filename[200], QuESTEnv env)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01691">QuEST_cpu.c:1691</a></div></div>
<div class="ttc" id="astructComplex_html_a84f5439aad0ef495efdd3b4c1c02d27e"><div class="ttname"><a href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">Complex::imag</a></div><div class="ttdeci">qreal imag</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00106">QuEST.h:106</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a2f76ec8f08e19bb8e1254aafb10e160e"><div class="ttname"><a href="QuEST__cpu_8c.html#a2f76ec8f08e19bb8e1254aafb10e160e">densmatr_mixTwoQubitDepolarisingDistributed</a></div><div class="ttdeci">void densmatr_mixTwoQubitDepolarisingDistributed(Qureg qureg, int targetQubit, int qubit2, qreal delta, qreal gamma)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00547">QuEST_cpu.c:547</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_aafc398f8f479fcc066a2dea700235635"><div class="ttname"><a href="QuEST__cpu_8c.html#aafc398f8f479fcc066a2dea700235635">statevec_unitaryLocal</a></div><div class="ttdeci">void statevec_unitaryLocal(Qureg qureg, int targetQubit, ComplexMatrix2 u)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02026">QuEST_cpu.c:2026</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a623e577b7230f3c8dc202be6185b4289"><div class="ttname"><a href="QuEST__cpu_8c.html#a623e577b7230f3c8dc202be6185b4289">densmatr_mixTwoQubitDephasing</a></div><div class="ttdeci">void densmatr_mixTwoQubitDephasing(Qureg qureg, int qubit1, int qubit2, qreal dephase)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00090">QuEST_cpu.c:90</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a8bea931504c90d9bd97e74645667804e"><div class="ttname"><a href="QuEST__cpu_8c.html#a8bea931504c90d9bd97e74645667804e">densmatr_findProbabilityOfZeroLocal</a></div><div class="ttdeci">qreal densmatr_findProbabilityOfZeroLocal(Qureg qureg, int measureQubit)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03402">QuEST_cpu.c:3402</a></div></div>
<div class="ttc" id="agroup__type_html_ggaa7d869b117ba5024d6b84938e8cdfc65a39111120b79016d6b3e773b711fa63f7"><div class="ttname"><a href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a39111120b79016d6b3e773b711fa63f7">SCALED_INVERSE_SHIFTED_DISTANCE</a></div><div class="ttdeci">@ SCALED_INVERSE_SHIFTED_DISTANCE</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00234">QuEST.h:234</a></div></div>
<div class="ttc" id="astructComplex_html"><div class="ttname"><a href="structComplex.html">Complex</a></div><div class="ttdoc">Represents one complex number.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00103">QuEST.h:103</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_abea6570b95fdfa102511ccd1fcb30685"><div class="ttname"><a href="QuEST__cpu_8c.html#abea6570b95fdfa102511ccd1fcb30685">statevec_hadamardDistributed</a></div><div class="ttdeci">void statevec_hadamardDistributed(Qureg qureg, ComplexArray stateVecUp, ComplexArray stateVecLo, ComplexArray stateVecOut, int updateUpper)</div><div class="ttdoc">Rotate a single qubit by {{1,1},{1,-1}}/sqrt2.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03139">QuEST_cpu.c:3139</a></div></div>
<div class="ttc" id="agroup__type_html_ggaa7d869b117ba5024d6b84938e8cdfc65a93c0c1e166dd43c6a57f61e5490808e1"><div class="ttname"><a href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a93c0c1e166dd43c6a57f61e5490808e1">SCALED_NORM</a></div><div class="ttdeci">@ SCALED_NORM</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00232">QuEST.h:232</a></div></div>
<div class="ttc" id="agroup__type_html_ggaa7d869b117ba5024d6b84938e8cdfc65a1a5168576607f460d3e60f184575cacb"><div class="ttname"><a href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65a1a5168576607f460d3e60f184575cacb">SCALED_INVERSE_PRODUCT</a></div><div class="ttdeci">@ SCALED_INVERSE_PRODUCT</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00233">QuEST.h:233</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a1e57230c7995447039e62a84c0a36524"><div class="ttname"><a href="QuEST__cpu_8c.html#a1e57230c7995447039e62a84c0a36524">statevec_reportStateToScreen</a></div><div class="ttdeci">void statevec_reportStateToScreen(Qureg qureg, QuESTEnv env, int reportRank)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01439">QuEST_cpu.c:1439</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ad64a23933361fafc1b6b1787759c2663"><div class="ttname"><a href="QuEST__cpu_8c.html#ad64a23933361fafc1b6b1787759c2663">statevec_setWeightedQureg</a></div><div class="ttdeci">void statevec_setWeightedQureg(Complex fac1, Qureg qureg1, Complex fac2, Qureg qureg2, Complex facOut, Qureg out)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l04005">QuEST_cpu.c:4005</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ad5b2ac0b00afa495f385520b2c5fa839"><div class="ttname"><a href="QuEST__cpu_8c.html#ad5b2ac0b00afa495f385520b2c5fa839">densmatr_initPlusState</a></div><div class="ttdeci">void densmatr_initPlusState(Qureg qureg)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01165">QuEST_cpu.c:1165</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a923906770cac0da9e3459bae58de9e64"><div class="ttname"><a href="QuEST__cpu_8c.html#a923906770cac0da9e3459bae58de9e64">statevec_initStateOfSingleQubit</a></div><div class="ttdeci">void statevec_initStateOfSingleQubit(Qureg *qureg, int qubitId, int outcome)</div><div class="ttdoc">Initialise the state vector of probability amplitudes such that one qubit is set to 'outcome' and all...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01611">QuEST_cpu.c:1611</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a790add229738945812ae2048c03d58ec"><div class="ttname"><a href="QuEST__cpu_8c.html#a790add229738945812ae2048c03d58ec">statevec_controlledPauliYDistributed</a></div><div class="ttdeci">void statevec_controlledPauliYDistributed(Qureg qureg, int controlQubit, ComplexArray stateVecIn, ComplexArray stateVecOut, int conjFac)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03036">QuEST_cpu.c:3036</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a27294e3065ebe42a65b3b9e0f85551dd"><div class="ttname"><a href="QuEST__cpu_8c.html#a27294e3065ebe42a65b3b9e0f85551dd">statevec_applyDiagonalOp</a></div><div class="ttdeci">void statevec_applyDiagonalOp(Qureg qureg, DiagonalOp op)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l04047">QuEST_cpu.c:4047</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a215e2d6f88dbecc0b408b3573b5e144f"><div class="ttname"><a href="QuEST__cpu_8c.html#a215e2d6f88dbecc0b408b3573b5e144f">statevec_controlledCompactUnitaryLocal</a></div><div class="ttdeci">void statevec_controlledCompactUnitaryLocal(Qureg qureg, int controlQubit, int targetQubit, Complex alpha, Complex beta)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02196">QuEST_cpu.c:2196</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a6fbb3b693f25dde1e9e3dc87dc1984f7"><div class="ttname"><a href="QuEST__cpu_8c.html#a6fbb3b693f25dde1e9e3dc87dc1984f7">statevec_calcInnerProductLocal</a></div><div class="ttdeci">Complex statevec_calcInnerProductLocal(Qureg bra, Qureg ket)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01082">QuEST_cpu.c:1082</a></div></div>
<div class="ttc" id="agroup__type_html_ga9c91c41aa42ae537995e89ffc616afe1"><div class="ttname"><a href="group__type.html#ga9c91c41aa42ae537995e89ffc616afe1">bitEncoding</a></div><div class="ttdeci">bitEncoding</div><div class="ttdoc">Flags for specifying how the bits in sub-register computational basis states are mapped to indices in...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00269">QuEST.h:269</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a535cc3c9962d511078691e4d64b4e272"><div class="ttname"><a href="QuEST__cpu_8c.html#a535cc3c9962d511078691e4d64b4e272">statevec_phaseShiftByTerm</a></div><div class="ttdeci">void statevec_phaseShiftByTerm(Qureg qureg, int targetQubit, Complex term)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03185">QuEST_cpu.c:3185</a></div></div>
<div class="ttc" id="astructComplexMatrix2_html"><div class="ttname"><a href="structComplexMatrix2.html">ComplexMatrix2</a></div><div class="ttdoc">Represents a 2x2 matrix of complex numbers.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00137">QuEST.h:137</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ac5168399122f7f53977dcc9ceda4f458"><div class="ttname"><a href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a></div><div class="ttdeci">void zeroSomeAmps(Qureg qureg, long long int startInd, long long int numAmps)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00740">QuEST_cpu.c:740</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a0b84e6766bd682708e6211276ff0a5bb"><div class="ttname"><a href="QuEST__cpu_8c.html#a0b84e6766bd682708e6211276ff0a5bb">agnostic_createDiagonalOp</a></div><div class="ttdeci">DiagonalOp agnostic_createDiagonalOp(int numQubits, QuESTEnv env)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01346">QuEST_cpu.c:1346</a></div></div>
<div class="ttc" id="agroup__type_html_ggaa7d869b117ba5024d6b84938e8cdfc65ae8c96906c1ec109d295c491e572d01e2"><div class="ttname"><a href="group__type.html#ggaa7d869b117ba5024d6b84938e8cdfc65ae8c96906c1ec109d295c491e572d01e2">SCALED_INVERSE_NORM</a></div><div class="ttdeci">@ SCALED_INVERSE_NORM</div><div class="ttdef"><b>Definition:</b> <a href="QuEST_8h_source.html#l00232">QuEST.h:232</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a7772f97cb4d92a9825bf3b7c82c3230c"><div class="ttname"><a href="QuEST__cpu_8c.html#a7772f97cb4d92a9825bf3b7c82c3230c">densmatr_calcFidelityLocal</a></div><div class="ttdeci">qreal densmatr_calcFidelityLocal(Qureg qureg, Qureg pureState)</div><div class="ttdoc">computes a few dens-columns-worth of (vec^*T) dens * vec</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01001">QuEST_cpu.c:1001</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a8535bc15c2ff249ddddb3fde6eff1490"><div class="ttname"><a href="QuEST__cpu_8c.html#a8535bc15c2ff249ddddb3fde6eff1490">statevec_findProbabilityOfZeroLocal</a></div><div class="ttdeci">qreal statevec_findProbabilityOfZeroLocal(Qureg qureg, int measureQubit)</div><div class="ttdoc">Measure the total probability of a specified qubit being in the zero state across all amplitudes in t...</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03457">QuEST_cpu.c:3457</a></div></div>
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