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<div class="title">QuEST_cpu.c</div> </div>
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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>  </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</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="comment"> * overloads for consistent API with GPU </span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="group__debug.html#ga11448560006dd165128e404b54ebb2f7"> 36</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="l00037"></a><span class="lineno"> 37</span> }</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  </div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="group__debug.html#ga924ef2dbda6b733b4041270077c76ece"> 39</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="l00040"></a><span class="lineno"> 40</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"> 42</span>  </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> <span class="comment">/*</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * state vector and density matrix operations</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> */</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"><a class="line" href="QuEST__cpu_8c.html#a4b578690aa76d1e9cac9dc964d713f38"> 48</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a4b578690aa76d1e9cac9dc964d713f38">densmatr_oneQubitDegradeOffDiagonal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> retain){</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">const</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="l00050"></a><span class="lineno"> 50</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="l00051"></a><span class="lineno"> 51</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="l00052"></a><span class="lineno"> 52</span>  </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisPattern;</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> totMask = innerMask|outerMask;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"> # ifdef _OPENMP</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor"> shared (innerMask,outerMask,totMask,qureg,retain) \</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor"> private (thisTask,thisPattern) </span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  {</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++){</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</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="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> ((thisPattern==innerMask) || (thisPattern==outerMask)){</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// do dephase</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</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="l00072"></a><span class="lineno"> 72</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="l00073"></a><span class="lineno"> 73</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="l00074"></a><span class="lineno"> 74</span>  } </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  } </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> }</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
<div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a515b6a920b1715d4eae25dcf29f39b95"> 79</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a515b6a920b1715d4eae25dcf29f39b95">densmatr_mixDephasing</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> dephase) {</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> retain=1-dephase;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="QuEST__cpu_8c.html#a4b578690aa76d1e9cac9dc964d713f38">densmatr_oneQubitDegradeOffDiagonal</a>(qureg, targetQubit, retain);</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"><a class="line" href="QuEST__cpu_8c.html#a5090b080392ab9be8fcf538161d4e5c1"> 84</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a5090b080392ab9be8fcf538161d4e5c1">densmatr_mixTwoQubitDephasing</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> qubit1, <span class="keyword">const</span> <span class="keywordtype">int</span> qubit2, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> dephase) {</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> retain=1-dephase;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">const</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="l00088"></a><span class="lineno"> 88</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="l00089"></a><span class="lineno"> 89</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="l00090"></a><span class="lineno"> 90</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="l00091"></a><span class="lineno"> 91</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="l00092"></a><span class="lineno"> 92</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="l00093"></a><span class="lineno"> 93</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="l00094"></a><span class="lineno"> 94</span>  </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> thisTask;</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> thisPatternQubit1, thisPatternQubit2;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor"> shared (innerMaskQubit1,outerMaskQubit1,totMaskQubit1,innerMaskQubit2,outerMaskQubit2, \</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor"> totMaskQubit2,qureg,retain) \</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor"> private (thisTask,thisPatternQubit1,thisPatternQubit2) </span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  {</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++){</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</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="l00111"></a><span class="lineno"> 111</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="l00112"></a><span class="lineno"> 112</span>  </div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// any mismatch |...0...><...1...| etc</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> ( (thisPatternQubit1==innerMaskQubit1) || (thisPatternQubit1==outerMaskQubit1) || </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  (thisPatternQubit2==innerMaskQubit2) || (thisPatternQubit2==outerMaskQubit2) ){ </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// do dephase</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</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="l00118"></a><span class="lineno"> 118</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="l00119"></a><span class="lineno"> 119</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="l00120"></a><span class="lineno"> 120</span>  } </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  } </div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> }</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  </div>
<div class="line"><a name="l00125"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a1807899a1c39506427433739562670ec"> 125</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a1807899a1c39506427433739562670ec">densmatr_mixDepolarisingLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> depolLevel) {</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> retain=1-depolLevel;</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>  <span class="keyword">const</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="l00129"></a><span class="lineno"> 129</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="l00130"></a><span class="lineno"> 130</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="l00131"></a><span class="lineno"> 131</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="l00132"></a><span class="lineno"> 132</span>  </div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</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> partner;</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> thisPattern;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> realAv, imagAv;</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="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="preprocessor"> shared (innerMask,outerMask,totMask,qureg,retain,depolLevel) \</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="preprocessor"> private (thisTask,partner,thisPattern,realAv,imagAv) </span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  {</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++){</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</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="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">if</span> ((thisPattern==innerMask) || (thisPattern==outerMask)){</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="comment">// do dephase</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</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="l00154"></a><span class="lineno"> 154</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="l00155"></a><span class="lineno"> 155</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="l00156"></a><span class="lineno"> 156</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</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="l00158"></a><span class="lineno"> 158</span>  <span class="comment">// do depolarise</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  partner = thisTask | totMask;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</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="l00161"></a><span class="lineno"> 161</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="l00162"></a><span class="lineno"> 162</span>  </div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</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="l00164"></a><span class="lineno"> 164</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="l00165"></a><span class="lineno"> 165</span>  </div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</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="l00167"></a><span class="lineno"> 167</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="l00168"></a><span class="lineno"> 168</span>  }</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  } </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> }</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  </div>
<div class="line"><a name="l00174"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a7cc805451304b8ad4429c7107f90ab3b"> 174</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a7cc805451304b8ad4429c7107f90ab3b">densmatr_mixDampingLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> damping) {</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> retain=1-damping;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> dephase=sqrt(retain);</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>  <span class="keyword">const</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="l00179"></a><span class="lineno"> 179</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="l00180"></a><span class="lineno"> 180</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="l00181"></a><span class="lineno"> 181</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="l00182"></a><span class="lineno"> 182</span>  </div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</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> partner;</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> thisPattern;</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  </div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="comment">//qreal realAv, imagAv;</span></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="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="preprocessor"> shared (innerMask,outerMask,totMask,qureg,retain,damping,dephase) \</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="preprocessor"> private (thisTask,partner,thisPattern) </span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  {</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++){</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</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="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">if</span> ((thisPattern==innerMask) || (thisPattern==outerMask)){</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="comment">// do dephase</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</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="l00204"></a><span class="lineno"> 204</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="l00205"></a><span class="lineno"> 205</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="l00206"></a><span class="lineno"> 206</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</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="l00208"></a><span class="lineno"> 208</span>  <span class="comment">// do depolarise</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  partner = thisTask | totMask;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="comment">//realAv = (qureg.stateVec.real[thisTask] + qureg.stateVec.real[partner]) /2 ;</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="comment">//imagAv = (qureg.stateVec.imag[thisTask] + qureg.stateVec.imag[partner]) /2 ;</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  </div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</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="l00214"></a><span class="lineno"> 214</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="l00215"></a><span class="lineno"> 215</span>  </div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</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="l00217"></a><span class="lineno"> 217</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="l00218"></a><span class="lineno"> 218</span>  }</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  } </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> }</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  </div>
<div class="line"><a name="l00224"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#acc485aea8dccf1678f80fa9c5df6724a"> 224</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#acc485aea8dccf1678f80fa9c5df6724a">densmatr_mixDepolarisingDistributed</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> depolLevel) {</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>  <span class="comment">// first do dephase part. </span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</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="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// iterating over all elements in the state vector for the purpose of vectorisation</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="comment">// TODO -- if we keep this split, move this function to densmatr_mixDepolarising()</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <a class="code" href="QuEST__cpu_8c.html#a515b6a920b1715d4eae25dcf29f39b95">densmatr_mixDephasing</a>(qureg, targetQubit, 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="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeInnerBlock, sizeInnerHalfBlock;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeOuterColumn, sizeOuterHalfColumn;</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</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="l00235"></a><span class="lineno"> 235</span>  thisOuterColumn, <span class="comment">// current column in density matrix</span></div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  thisIndex, <span class="comment">// current index in (density matrix representation) state vector</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  thisIndexInOuterColumn,</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  thisIndexInInnerBlock; </div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordtype">int</span> outerBit; </div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  </div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keyword">const</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="l00243"></a><span class="lineno"> 243</span>  </div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  sizeInnerHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  sizeInnerBlock = 2LL * sizeInnerHalfBlock; </div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  sizeOuterColumn = 1LL << qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>;</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  sizeOuterHalfColumn = sizeOuterColumn >> 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="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="preprocessor"> shared (sizeInnerBlock,sizeInnerHalfBlock,sizeOuterColumn,sizeOuterHalfColumn,qureg,depolLevel) \</span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="preprocessor"> private (thisTask,thisInnerBlock,thisOuterColumn,thisIndex,thisIndexInOuterColumn, \</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="preprocessor"> thisIndexInInnerBlock,outerBit) </span></div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  {</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</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="l00262"></a><span class="lineno"> 262</span>  <span class="comment">// treat this as iterating over all columns, then iterating over half the values</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="comment">// within one column.</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="comment">// If this function has been called, this process' chunk contains half an </span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="comment">// outer block or less</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="comment">// we want to process all columns in the density matrix,</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</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="l00269"></a><span class="lineno"> 269</span>  thisOuterColumn = thisTask / sizeOuterHalfColumn;</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  thisIndexInOuterColumn = thisTask&(sizeOuterHalfColumn-1); <span class="comment">// thisTask % sizeOuterHalfColumn</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  thisInnerBlock = thisIndexInOuterColumn/sizeInnerHalfBlock;</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="comment">// get index in state vector corresponding to upper inner block</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  thisIndexInInnerBlock = thisTask&(sizeInnerHalfBlock-1); <span class="comment">// thisTask % sizeInnerHalfBlock</span></div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  thisIndex = thisOuterColumn*sizeOuterColumn + thisInnerBlock*sizeInnerBlock </div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  + thisIndexInInnerBlock;</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</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="l00277"></a><span class="lineno"> 277</span>  outerBit = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">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="l00278"></a><span class="lineno"> 278</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="l00279"></a><span class="lineno"> 279</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="l00280"></a><span class="lineno"> 280</span>  thisIndex += outerBit*(sizeInnerHalfBlock);</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  </div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</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="l00283"></a><span class="lineno"> 283</span>  <span class="comment">// dephase in the chunk of the state vector on this process, in the </span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="comment">// density matrix representation. </span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">// thisTask is the index of the pair element in pairStateVec</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  </div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  </div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="comment">// state[thisIndex] = (1-depolLevel)*state[thisIndex] + depolLevel*(state[thisIndex]</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="comment">// + pair[thisTask])/2</span></div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</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="l00291"></a><span class="lineno"> 291</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="l00292"></a><span class="lineno"> 292</span>  </div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</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="l00294"></a><span class="lineno"> 294</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="l00295"></a><span class="lineno"> 295</span>  } </div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  } </div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> }</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  </div>
<div class="line"><a name="l00299"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a28d2a35fde2952211f5898a76275d93d"> 299</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a28d2a35fde2952211f5898a76275d93d">densmatr_mixDampingDistributed</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> damping) {</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> retain=1-damping;</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> dephase=sqrt(1-damping);</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>  <span class="comment">// multiply the off-diagonal (|0><1| and |1><0|) terms by sqrt(1-damping)</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <a class="code" href="QuEST__cpu_8c.html#a4b578690aa76d1e9cac9dc964d713f38">densmatr_oneQubitDegradeOffDiagonal</a>(qureg, targetQubit, dephase);</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  </div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</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="l00307"></a><span class="lineno"> 307</span>  </div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeInnerBlock, sizeInnerHalfBlock;</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeOuterColumn, sizeOuterHalfColumn;</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</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="l00311"></a><span class="lineno"> 311</span>  thisOuterColumn, <span class="comment">// current column in density matrix</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  thisIndex, <span class="comment">// current index in (density matrix representation) state vector</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  thisIndexInOuterColumn,</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  thisIndexInInnerBlock; </div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordtype">int</span> outerBit; </div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordtype">int</span> stateBit;</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  </div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keyword">const</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="l00320"></a><span class="lineno"> 320</span>  </div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  sizeInnerHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  sizeInnerBlock = 2LL * sizeInnerHalfBlock; </div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  sizeOuterColumn = 1LL << qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>;</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  sizeOuterHalfColumn = sizeOuterColumn >> 1;</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  </div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="preprocessor"> shared (sizeInnerBlock,sizeInnerHalfBlock,sizeOuterColumn,sizeOuterHalfColumn,qureg,damping, retain, dephase) \</span></div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="preprocessor"> private (thisTask,thisInnerBlock,thisOuterColumn,thisIndex,thisIndexInOuterColumn, \</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="preprocessor"> thisIndexInInnerBlock,outerBit, stateBit) </span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  {</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</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="l00339"></a><span class="lineno"> 339</span>  <span class="comment">// treat this as iterating over all columns, then iterating over half the values</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="comment">// within one column.</span></div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="comment">// If this function has been called, this process' chunk contains half an </span></div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="comment">// outer block or less</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="comment">// we want to process all columns in the density matrix,</span></div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</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="l00346"></a><span class="lineno"> 346</span>  thisOuterColumn = thisTask / sizeOuterHalfColumn;</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  thisIndexInOuterColumn = thisTask&(sizeOuterHalfColumn-1); <span class="comment">// thisTask % sizeOuterHalfColumn</span></div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  thisInnerBlock = thisIndexInOuterColumn/sizeInnerHalfBlock;</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="comment">// get index in state vector corresponding to upper inner block</span></div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  thisIndexInInnerBlock = thisTask&(sizeInnerHalfBlock-1); <span class="comment">// thisTask % sizeInnerHalfBlock</span></div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  thisIndex = thisOuterColumn*sizeOuterColumn + thisInnerBlock*sizeInnerBlock </div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  + thisIndexInInnerBlock;</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</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="l00354"></a><span class="lineno"> 354</span>  outerBit = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">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="l00355"></a><span class="lineno"> 355</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="l00356"></a><span class="lineno"> 356</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="l00357"></a><span class="lineno"> 357</span>  thisIndex += outerBit*(sizeInnerHalfBlock);</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  </div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</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="l00360"></a><span class="lineno"> 360</span>  <span class="comment">// dephase in the chunk of the state vector on this process, in the </span></div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="comment">// density matrix representation. </span></div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="comment">// thisTask is the index of the pair element in pairStateVec</span></div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  </div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</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="l00365"></a><span class="lineno"> 365</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="l00366"></a><span class="lineno"> 366</span>  stateBit = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">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="l00367"></a><span class="lineno"> 367</span>  </div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="comment">// state[thisIndex] = (1-depolLevel)*state[thisIndex] + depolLevel*(state[thisIndex]</span></div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="comment">// + pair[thisTask])/2</span></div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">if</span>(stateBit == 0){</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</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="l00372"></a><span class="lineno"> 372</span>  damping*( qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real[thisTask]);</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  </div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</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="l00375"></a><span class="lineno"> 375</span>  damping*( qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag[thisTask]);</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  } <span class="keywordflow">else</span>{</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</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="l00378"></a><span class="lineno"> 378</span>  </div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</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="l00380"></a><span class="lineno"> 380</span>  }</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>  } </div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> }</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  </div>
<div class="line"><a name="l00385"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a3510f01d4d15dcc545564eb84c668cad"> 385</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="l00386"></a><span class="lineno"> 386</span>  <span class="keyword">const</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="l00387"></a><span class="lineno"> 387</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="l00388"></a><span class="lineno"> 388</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="l00389"></a><span class="lineno"> 389</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="l00390"></a><span class="lineno"> 390</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="l00391"></a><span class="lineno"> 391</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="l00392"></a><span class="lineno"> 392</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="l00393"></a><span class="lineno"> 393</span>  </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> thisTask;</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> partner;</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> thisPatternQubit1, thisPatternQubit2;</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  </div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> real00, imag00;</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  </div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span> <span class="preprocessor"> shared (totMaskQubit1,totMaskQubit2,qureg,delta,gamma) \</span></div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> <span class="preprocessor"> private (thisTask,partner,thisPatternQubit1,thisPatternQubit2,real00,imag00) </span></div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  {</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 for schedule (static)</span></div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="comment">//--------------------------------------- STEP ONE ---------------------</span></div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++){ </div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</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="l00414"></a><span class="lineno"> 414</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="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">if</span> ((thisPatternQubit1==0) && ((thisPatternQubit2==0) </div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  || (thisPatternQubit2==totMaskQubit2))){ </div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</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="l00418"></a><span class="lineno"> 418</span>  partner = thisTask | totMaskQubit1;</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  real00 = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask];</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  imag00 = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask];</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  </div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</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="l00423"></a><span class="lineno"> 423</span>  + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner];</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</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="l00425"></a><span class="lineno"> 425</span>  + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner];</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  </div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</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="l00428"></a><span class="lineno"> 428</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="l00429"></a><span class="lineno"> 429</span>  </div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  }</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="comment">//--------------------------------------- STEP TWO ---------------------</span></div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++){ </div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</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="l00438"></a><span class="lineno"> 438</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="l00439"></a><span class="lineno"> 439</span>  <span class="keywordflow">if</span> ((thisPatternQubit2==0) && ((thisPatternQubit1==0) </div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  || (thisPatternQubit1==totMaskQubit1))){ </div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</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="l00442"></a><span class="lineno"> 442</span>  partner = thisTask | totMaskQubit2;</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  real00 = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask];</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  imag00 = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask];</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  </div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</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="l00447"></a><span class="lineno"> 447</span>  + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner];</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</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="l00449"></a><span class="lineno"> 449</span>  + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner];</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  </div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</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="l00452"></a><span class="lineno"> 452</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="l00453"></a><span class="lineno"> 453</span>  </div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  }</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  }</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  </div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="comment">//--------------------------------------- STEP THREE ---------------------</span></div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++){ </div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</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="l00463"></a><span class="lineno"> 463</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="l00464"></a><span class="lineno"> 464</span>  <span class="keywordflow">if</span> ((thisPatternQubit2==0) && ((thisPatternQubit1==0) </div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  || (thisPatternQubit1==totMaskQubit1))){ </div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</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="l00467"></a><span class="lineno"> 467</span>  partner = thisTask | totMaskQubit2;</div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  partner = partner ^ totMaskQubit1;</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  real00 = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask];</div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  imag00 = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask];</div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  </div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</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="l00473"></a><span class="lineno"> 473</span>  + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner]);</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</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="l00475"></a><span class="lineno"> 475</span>  + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner]);</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  </div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</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="l00478"></a><span class="lineno"> 478</span>  + delta*real00);</div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</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="l00480"></a><span class="lineno"> 480</span>  + delta*imag00);</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  </div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  }</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>  }</div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span> }</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  </div>
<div class="line"><a name="l00487"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ae90f82418e0aa67218d733dbbc681998"> 487</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="l00488"></a><span class="lineno"> 488</span>  <span class="keyword">const</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="l00489"></a><span class="lineno"> 489</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="l00490"></a><span class="lineno"> 490</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="l00491"></a><span class="lineno"> 491</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="l00492"></a><span class="lineno"> 492</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="l00493"></a><span class="lineno"> 493</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="l00494"></a><span class="lineno"> 494</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="l00495"></a><span class="lineno"> 495</span>  <span class="comment">// correct for being in a particular chunk</span></div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="comment">//totMaskQubit2 = totMaskQubit2&(qureg.numAmpsPerChunk-1); // totMaskQubit2 % numAmpsPerChunk</span></div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  </div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  </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> thisTask;</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> partner;</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> thisPatternQubit1, thisPatternQubit2;</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  </div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> real00, imag00;</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> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span> <span class="preprocessor"> shared (totMaskQubit1,totMaskQubit2,qureg,delta) \</span></div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span> <span class="preprocessor"> private (thisTask,partner,thisPatternQubit1,thisPatternQubit2,real00,imag00) </span></div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span> <span class="preprocessor"># endif</span></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>  </div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="comment">//--------------------------------------- STEP ONE ---------------------</span></div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask ++){ </div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</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="l00519"></a><span class="lineno"> 519</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="l00520"></a><span class="lineno"> 520</span>  <span class="keywordflow">if</span> ((thisPatternQubit1==0) && ((thisPatternQubit2==0) </div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  || (thisPatternQubit2==totMaskQubit2))){ </div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</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="l00523"></a><span class="lineno"> 523</span>  partner = thisTask | totMaskQubit1;</div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  real00 = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[thisTask];</div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  imag00 = qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[thisTask];</div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  </div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</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="l00528"></a><span class="lineno"> 528</span>  + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[partner];</div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</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="l00530"></a><span class="lineno"> 530</span>  + delta*qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[partner];</div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  </div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</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="l00533"></a><span class="lineno"> 533</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="l00534"></a><span class="lineno"> 534</span>  </div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  }</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  }</div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  }</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>  </div>
<div class="line"><a name="l00540"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ac497197e66d7024fc6bf7ace120b3de5"> 540</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ac497197e66d7024fc6bf7ace120b3de5">densmatr_mixTwoQubitDepolarisingDistributed</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit, </div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="keyword">const</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="l00542"></a><span class="lineno"> 542</span>  </div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeInnerBlockQ1, sizeInnerHalfBlockQ1;</div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</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="l00545"></a><span class="lineno"> 545</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeOuterColumn, sizeOuterQuarterColumn;</div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisInnerBlockQ2,</div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  thisOuterColumn, <span class="comment">// current column in density matrix</span></div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  thisIndex, <span class="comment">// current index in (density matrix representation) state vector</span></div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  thisIndexInOuterColumn,</div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  thisIndexInInnerBlockQ1, </div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  thisIndexInInnerBlockQ2, </div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  thisInnerBlockQ1InInnerBlockQ2;</div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="keywordtype">int</span> outerBitQ1, outerBitQ2; </div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  </div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <span class="keyword">const</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="l00557"></a><span class="lineno"> 557</span>  </div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  sizeInnerHalfBlockQ1 = 1LL << targetQubit; </div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  sizeInnerHalfBlockQ2 = 1LL << qubit2; </div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  sizeInnerQuarterBlockQ2 = sizeInnerHalfBlockQ2 >> 1; </div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  sizeInnerBlockQ2 = sizeInnerHalfBlockQ2 << 1; </div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  sizeInnerBlockQ1 = 2LL * sizeInnerHalfBlockQ1; </div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  sizeOuterColumn = 1LL << qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>;</div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  sizeOuterQuarterColumn = sizeOuterColumn >> 2;</div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  </div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span> <span class="preprocessor"> shared (sizeInnerBlockQ1,sizeInnerHalfBlockQ1,sizeInnerBlockQ2,sizeInnerHalfBlockQ2,sizeInnerQuarterBlockQ2,\</span></div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span> <span class="preprocessor"> sizeOuterColumn,sizeOuterQuarterColumn,qureg,delta,gamma) \</span></div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span> <span class="preprocessor"> private (thisTask,thisInnerBlockQ2,thisInnerBlockQ1InInnerBlockQ2, \</span></div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span> <span class="preprocessor"> thisOuterColumn,thisIndex,thisIndexInOuterColumn, \</span></div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span> <span class="preprocessor"> thisIndexInInnerBlockQ1,thisIndexInInnerBlockQ2,outerBitQ1,outerBitQ2) </span></div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  {</div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</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="l00581"></a><span class="lineno"> 581</span>  <span class="comment">// treat this as iterating over all columns, then iterating over half the values</span></div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <span class="comment">// within one column.</span></div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="comment">// If this function has been called, this process' chunk contains half an </span></div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  <span class="comment">// outer block or less</span></div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <span class="comment">// we want to process all columns in the density matrix,</span></div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</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="l00588"></a><span class="lineno"> 588</span>  thisOuterColumn = thisTask / sizeOuterQuarterColumn;</div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="comment">// thisTask % sizeOuterQuarterColumn</span></div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  thisIndexInOuterColumn = thisTask&(sizeOuterQuarterColumn-1); </div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  thisInnerBlockQ2 = thisIndexInOuterColumn / sizeInnerQuarterBlockQ2;</div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  <span class="comment">// thisTask % sizeInnerQuarterBlockQ2;</span></div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  thisIndexInInnerBlockQ2 = thisTask&(sizeInnerQuarterBlockQ2-1);</div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  thisInnerBlockQ1InInnerBlockQ2 = thisIndexInInnerBlockQ2 / sizeInnerHalfBlockQ1;</div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  <span class="comment">// thisTask % sizeInnerHalfBlockQ1;</span></div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  thisIndexInInnerBlockQ1 = thisTask&(sizeInnerHalfBlockQ1-1);</div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  </div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  <span class="comment">// get index in state vector corresponding to upper inner block</span></div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  thisIndex = thisOuterColumn*sizeOuterColumn + thisInnerBlockQ2*sizeInnerBlockQ2 </div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  + thisInnerBlockQ1InInnerBlockQ2*sizeInnerBlockQ1 + thisIndexInInnerBlockQ1;</div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  </div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</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="l00603"></a><span class="lineno"> 603</span>  outerBitQ1 = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">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="l00604"></a><span class="lineno"> 604</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="l00605"></a><span class="lineno"> 605</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="l00606"></a><span class="lineno"> 606</span>  thisIndex += outerBitQ1*(sizeInnerHalfBlockQ1);</div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  </div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</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="l00609"></a><span class="lineno"> 609</span>  outerBitQ2 = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">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="l00610"></a><span class="lineno"> 610</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="l00611"></a><span class="lineno"> 611</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="l00612"></a><span class="lineno"> 612</span>  thisIndex += outerBitQ2*(sizeInnerQuarterBlockQ2<<1);</div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  </div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</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="l00615"></a><span class="lineno"> 615</span>  <span class="comment">// dephase in the chunk of the state vector on this process, in the </span></div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <span class="comment">// density matrix representation. </span></div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  <span class="comment">// thisTask is the index of the pair element in pairStateVec</span></div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  </div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  </div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="comment">// state[thisIndex] = (1-depolLevel)*state[thisIndex] + depolLevel*(state[thisIndex]</span></div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="comment">// + pair[thisTask])/2</span></div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</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="l00623"></a><span class="lineno"> 623</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="l00624"></a><span class="lineno"> 624</span>  delta*qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real[thisTask]);</div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</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="l00626"></a><span class="lineno"> 626</span>  delta*qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag[thisTask]);</div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  } </div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  } </div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span> }</div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  </div>
<div class="line"><a name="l00631"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#af82f6c9317f51a2048ddd3eb24c2959c"> 631</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#af82f6c9317f51a2048ddd3eb24c2959c">densmatr_mixTwoQubitDepolarisingQ1LocalQ2DistributedPart3</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit, </div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="keyword">const</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="l00633"></a><span class="lineno"> 633</span>  </div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeInnerBlockQ1, sizeInnerHalfBlockQ1;</div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</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="l00636"></a><span class="lineno"> 636</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeOuterColumn, sizeOuterQuarterColumn;</div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisInnerBlockQ2,</div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  thisOuterColumn, <span class="comment">// current column in density matrix</span></div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  thisIndex, <span class="comment">// current index in (density matrix representation) state vector</span></div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  thisIndexInPairVector,</div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  thisIndexInOuterColumn,</div>
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  thisIndexInInnerBlockQ1, </div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  thisIndexInInnerBlockQ2, </div>
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  thisInnerBlockQ1InInnerBlockQ2;</div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  <span class="keywordtype">int</span> outerBitQ1, outerBitQ2; </div>
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  </div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  <span class="keyword">const</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="l00649"></a><span class="lineno"> 649</span>  </div>
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  sizeInnerHalfBlockQ1 = 1LL << targetQubit; </div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  sizeInnerHalfBlockQ2 = 1LL << qubit2; </div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  sizeInnerQuarterBlockQ2 = sizeInnerHalfBlockQ2 >> 1; </div>
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  sizeInnerBlockQ2 = sizeInnerHalfBlockQ2 << 1; </div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  sizeInnerBlockQ1 = 2LL * sizeInnerHalfBlockQ1; </div>
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  sizeOuterColumn = 1LL << qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>;</div>
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  sizeOuterQuarterColumn = sizeOuterColumn >> 2;</div>
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  </div>
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span> <span class="comment">//# if 0</span></div>
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span> <span class="preprocessor"> shared (sizeInnerBlockQ1,sizeInnerHalfBlockQ1,sizeInnerBlockQ2,sizeInnerHalfBlockQ2,sizeInnerQuarterBlockQ2,\</span></div>
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span> <span class="preprocessor"> sizeOuterColumn,sizeOuterQuarterColumn,qureg,delta,gamma) \</span></div>
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span> <span class="preprocessor"> private (thisTask,thisInnerBlockQ2,thisInnerBlockQ1InInnerBlockQ2, \</span></div>
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span> <span class="preprocessor"> thisOuterColumn,thisIndex,thisIndexInPairVector,thisIndexInOuterColumn, \</span></div>
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span> <span class="preprocessor"> thisIndexInInnerBlockQ1,thisIndexInInnerBlockQ2,outerBitQ1,outerBitQ2) </span></div>
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  {</div>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span> <span class="comment">//# endif</span></div>
<div class="line"><a name="l00674"></a><span class="lineno"> 674</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="l00675"></a><span class="lineno"> 675</span>  <span class="comment">// treat this as iterating over all columns, then iterating over half the values</span></div>
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <span class="comment">// within one column.</span></div>
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="comment">// If this function has been called, this process' chunk contains half an </span></div>
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  <span class="comment">// outer block or less</span></div>
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <span class="comment">// we want to process all columns in the density matrix,</span></div>
<div class="line"><a name="l00681"></a><span class="lineno"> 681</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="l00682"></a><span class="lineno"> 682</span>  thisOuterColumn = thisTask / sizeOuterQuarterColumn;</div>
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  <span class="comment">// thisTask % sizeOuterQuarterColumn</span></div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  thisIndexInOuterColumn = thisTask&(sizeOuterQuarterColumn-1); </div>
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  thisInnerBlockQ2 = thisIndexInOuterColumn / sizeInnerQuarterBlockQ2;</div>
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <span class="comment">// thisTask % sizeInnerQuarterBlockQ2;</span></div>
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  thisIndexInInnerBlockQ2 = thisTask&(sizeInnerQuarterBlockQ2-1);</div>
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  thisInnerBlockQ1InInnerBlockQ2 = thisIndexInInnerBlockQ2 / sizeInnerHalfBlockQ1;</div>
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  <span class="comment">// thisTask % sizeInnerHalfBlockQ1;</span></div>
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  thisIndexInInnerBlockQ1 = thisTask&(sizeInnerHalfBlockQ1-1);</div>
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  </div>
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  <span class="comment">// get index in state vector corresponding to upper inner block</span></div>
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  thisIndex = thisOuterColumn*sizeOuterColumn + thisInnerBlockQ2*sizeInnerBlockQ2 </div>
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  + thisInnerBlockQ1InInnerBlockQ2*sizeInnerBlockQ1 + thisIndexInInnerBlockQ1;</div>
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  </div>
<div class="line"><a name="l00696"></a><span class="lineno"> 696</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="l00697"></a><span class="lineno"> 697</span>  outerBitQ1 = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">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="l00698"></a><span class="lineno"> 698</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="l00699"></a><span class="lineno"> 699</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="l00700"></a><span class="lineno"> 700</span>  thisIndex += outerBitQ1*(sizeInnerHalfBlockQ1);</div>
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  </div>
<div class="line"><a name="l00702"></a><span class="lineno"> 702</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="l00703"></a><span class="lineno"> 703</span>  <span class="comment">// Find correct index in pairStateVector</span></div>
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  thisIndexInPairVector = thisTask + (1-outerBitQ1)*sizeInnerHalfBlockQ1*sizeOuterQuarterColumn -</div>
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  outerBitQ1*sizeInnerHalfBlockQ1*sizeOuterQuarterColumn;</div>
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  </div>
<div class="line"><a name="l00707"></a><span class="lineno"> 707</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="l00708"></a><span class="lineno"> 708</span>  outerBitQ2 = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">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="l00709"></a><span class="lineno"> 709</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="l00710"></a><span class="lineno"> 710</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="l00711"></a><span class="lineno"> 711</span>  thisIndex += outerBitQ2*(sizeInnerQuarterBlockQ2<<1);</div>
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  </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">// NOTE: at this point thisIndex should be the index of the element we want to </span></div>
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  <span class="comment">// dephase in the chunk of the state vector on this process, in the </span></div>
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <span class="comment">// density matrix representation. </span></div>
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  </div>
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  </div>
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  <span class="comment">// state[thisIndex] = (1-depolLevel)*state[thisIndex] + depolLevel*(state[thisIndex]</span></div>
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  <span class="comment">// + pair[thisIndexInPairVector])/2</span></div>
<div class="line"><a name="l00721"></a><span class="lineno"> 721</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="l00722"></a><span class="lineno"> 722</span>  delta*qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real[thisIndexInPairVector]);</div>
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  </div>
<div class="line"><a name="l00724"></a><span class="lineno"> 724</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="l00725"></a><span class="lineno"> 725</span>  delta*qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag[thisIndexInPairVector]);</div>
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  } </div>
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  } </div>
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  </div>
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span> }</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>  </div>
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span> <span class="comment">/* Without nested parallelisation, only the outer most loops which call below are parallelised */</span></div>
<div class="line"><a name="l00733"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458"> 733</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="l00734"></a><span class="lineno"> 734</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span> <span class="preprocessor"># pragma omp parallel for schedule (static)</span></div>
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  <span class="keywordflow">for</span> (i=startInd; i < startInd+numAmps; i++) {</div>
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[i] = 0;</div>
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[i] = 0;</div>
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  }</div>
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span> }</div>
<div class="line"><a name="l00743"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a031a99b7e97779f3dc782feffe86e779"> 743</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="l00744"></a><span class="lineno"> 744</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span> <span class="preprocessor"># pragma omp parallel for schedule (static)</span></div>
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  <span class="keywordflow">for</span> (i=startInd; i < startInd+numAmps; i++) {</div>
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[i] /= norm;</div>
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[i] /= norm;</div>
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  }</div>
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span> }</div>
<div class="line"><a name="l00753"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a0abdff5f6065f9d57065345e6d90fc94"> 753</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a0abdff5f6065f9d57065345e6d90fc94">alternateNormZeroingSomeAmpBlocks</a>(</div>
<div class="line"><a name="l00754"></a><span class="lineno"> 754</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="l00755"></a><span class="lineno"> 755</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="l00756"></a><span class="lineno"> 756</span> ) { </div>
<div class="line"><a name="l00757"></a><span class="lineno"> 757</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="l00758"></a><span class="lineno"> 758</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> blockStartInd;</div>
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  </div>
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  <span class="keywordflow">if</span> (normFirst) {</div>
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> dubBlockInd;</div>
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span> <span class="preprocessor"># pragma omp parallel for schedule (static) private (blockStartInd)</span></div>
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  <span class="keywordflow">for</span> (dubBlockInd=0; dubBlockInd < numDubBlocks; dubBlockInd++) {</div>
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  blockStartInd = startAmpInd + dubBlockInd*2*blockSize;</div>
<div class="line"><a name="l00767"></a><span class="lineno"> 767</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="l00768"></a><span class="lineno"> 768</span>  <a class="code" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a>( qureg, blockStartInd + blockSize, blockSize);</div>
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  }</div>
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> dubBlockInd;</div>
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span> <span class="preprocessor"># pragma omp parallel for schedule (static) private (blockStartInd)</span></div>
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  <span class="keywordflow">for</span> (dubBlockInd=0; dubBlockInd < numDubBlocks; dubBlockInd++) {</div>
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  blockStartInd = startAmpInd + dubBlockInd*2*blockSize;</div>
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  <a class="code" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a>( qureg, blockStartInd, blockSize);</div>
<div class="line"><a name="l00778"></a><span class="lineno"> 778</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="l00779"></a><span class="lineno"> 779</span>  }</div>
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  }</div>
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span> }</div>
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  </div>
<div class="line"><a name="l00784"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a891358c784d97101f9fcdffbb5ebe00e"> 784</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a891358c784d97101f9fcdffbb5ebe00e">densmatr_collapseToKnownProbOutcome</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <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="l00785"></a><span class="lineno"> 785</span>  </div>
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  <span class="comment">// only (global) indices (as bit sequence): '* outcome *(n+q) outcome *q are spared</span></div>
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  <span class="comment">// where n = measureQubit, q = qureg.numQubitsRepresented.</span></div>
<div class="line"><a name="l00788"></a><span class="lineno"> 788</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="l00789"></a><span class="lineno"> 789</span>  <span class="comment">// stepping in sub-blocks of 2^q, killing every second.</span></div>
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <span class="comment">// When outcome=1, we offset the start of these blocks by their size.</span></div>
<div class="line"><a name="l00791"></a><span class="lineno"> 791</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="l00792"></a><span class="lineno"> 792</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="l00793"></a><span class="lineno"> 793</span>  </div>
<div class="line"><a name="l00794"></a><span class="lineno"> 794</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="l00795"></a><span class="lineno"> 795</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="l00796"></a><span class="lineno"> 796</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="l00797"></a><span class="lineno"> 797</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="l00798"></a><span class="lineno"> 798</span>  <span class="keywordtype">int</span> innerBit = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a>(measureQubit, globalStartInd);</div>
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  <span class="keywordtype">int</span> outerBit = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a>(measureQubit + qureg.<a class="code" href="structQureg.html#ad08dff5316b8937f4b2a1417591543dc">numQubitsRepresented</a>, globalStartInd);</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">// If this chunk's amps are entirely inside an outer block</span></div>
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  <span class="keywordflow">if</span> (locNumAmps <= outerBlockSize) {</div>
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  </div>
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  <span class="comment">// if this is an undesired outer block, kill all elems</span></div>
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <span class="keywordflow">if</span> (outerBit != outcome)</div>
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  <span class="keywordflow">return</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="l00807"></a><span class="lineno"> 807</span>  </div>
<div class="line"><a name="l00808"></a><span class="lineno"> 808</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="l00809"></a><span class="lineno"> 809</span>  <span class="keywordflow">if</span> (locNumAmps <= innerBlockSize) {</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">// and that inner block is undesired, kill all elems</span></div>
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  <span class="keywordflow">if</span> (innerBit != outcome)</div>
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  <span class="keywordflow">return</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="comment">// otherwise normalise all elems</span></div>
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  <span class="keywordflow">return</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="l00817"></a><span class="lineno"> 817</span>  }</div>
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  </div>
<div class="line"><a name="l00819"></a><span class="lineno"> 819</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="l00820"></a><span class="lineno"> 820</span>  <span class="keywordflow">return</span> <a class="code" href="QuEST__cpu_8c.html#a0abdff5f6065f9d57065345e6d90fc94">alternateNormZeroingSomeAmpBlocks</a>(</div>
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  qureg, totalStateProb, innerBit==outcome, 0, qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>, innerBlockSize);</div>
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  }</div>
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  </div>
<div class="line"><a name="l00824"></a><span class="lineno"> 824</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="l00825"></a><span class="lineno"> 825</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="l00826"></a><span class="lineno"> 826</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> firstBlockInd;</div>
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  </div>
<div class="line"><a name="l00828"></a><span class="lineno"> 828</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="l00829"></a><span class="lineno"> 829</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="l00830"></a><span class="lineno"> 830</span>  <span class="comment">// inner parallelisation</span></div>
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  <span class="keywordflow">if</span> (outerBit == outcome) {</div>
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  </div>
<div class="line"><a name="l00833"></a><span class="lineno"> 833</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="l00834"></a><span class="lineno"> 834</span>  firstBlockInd = outerDubBlockInd*2*outerBlockSize;</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">// *norm only the desired inner blocks in the desired outer block</span></div>
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  <a class="code" href="QuEST__cpu_8c.html#a0abdff5f6065f9d57065345e6d90fc94">alternateNormZeroingSomeAmpBlocks</a>(</div>
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  qureg, totalStateProb, innerBit==outcome, </div>
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  firstBlockInd, outerBlockSize, innerBlockSize);</div>
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  </div>
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  <span class="comment">// zero the undesired outer block</span></div>
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  <a class="code" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a>(qureg, firstBlockInd + outerBlockSize, outerBlockSize);</div>
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  }</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">else</span> {</div>
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  </div>
<div class="line"><a name="l00847"></a><span class="lineno"> 847</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="l00848"></a><span class="lineno"> 848</span>  firstBlockInd = outerDubBlockInd*2*outerBlockSize;</div>
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  </div>
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  <span class="comment">// same thing but undesired outer blocks come first</span></div>
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  <a class="code" href="QuEST__cpu_8c.html#ac5168399122f7f53977dcc9ceda4f458">zeroSomeAmps</a>(qureg, firstBlockInd, outerBlockSize);</div>
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  <a class="code" href="QuEST__cpu_8c.html#a0abdff5f6065f9d57065345e6d90fc94">alternateNormZeroingSomeAmpBlocks</a>(</div>
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  qureg, totalStateProb, innerBit==outcome, </div>
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  firstBlockInd + outerBlockSize, outerBlockSize, innerBlockSize);</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>  </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>  </div>
<div class="line"><a name="l00860"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#af910c7cf2b85bdc2c399cfe8dbfb8b9c"> 860</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="l00861"></a><span class="lineno"> 861</span>  </div>
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  <span class="comment">/* sum of qureg^2, which is sum_i |qureg[i]|^2 */</span></div>
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l00864"></a><span class="lineno"> 864</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="l00865"></a><span class="lineno"> 865</span>  </div>
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> trace = 0;</div>
<div class="line"><a name="l00867"></a><span class="lineno"> 867</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="l00868"></a><span class="lineno"> 868</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="l00869"></a><span class="lineno"> 869</span>  </div>
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span> <span class="preprocessor"> shared (vecRe, vecIm, numAmps) \</span></div>
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span> <span class="preprocessor"> private (index) \</span></div>
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span> <span class="preprocessor"> reduction ( +:trace )</span></div>
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  {</div>
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  <span class="keywordflow">for</span> (index=0LL; index<numAmps; index++) {</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>  trace += vecRe[index]*vecRe[index] + vecIm[index]*vecIm[index];</div>
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  }</div>
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  }</div>
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  </div>
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  <span class="keywordflow">return</span> trace;</div>
<div class="line"><a name="l00887"></a><span class="lineno"> 887</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"><a class="line" href="QuEST__cpu_8c.html#a8adaba9dbdad6f7ab41ae4b8db0abefe"> 889</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="l00890"></a><span class="lineno"> 890</span>  </div>
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  <span class="comment">/* corresponding amplitudes live on the same node (same dimensions) */</span></div>
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  </div>
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  <span class="comment">// unpack vars for OpenMP</span></div>
<div class="line"><a name="l00894"></a><span class="lineno"> 894</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="l00895"></a><span class="lineno"> 895</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="l00896"></a><span class="lineno"> 896</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="l00897"></a><span class="lineno"> 897</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="l00898"></a><span class="lineno"> 898</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="l00899"></a><span class="lineno"> 899</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  </div>
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span> <span class="preprocessor"> shared (combineVecRe,combineVecIm,otherVecRe,otherVecIm, otherProb, numAmps) \</span></div>
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span> <span class="preprocessor"> private (index)</span></div>
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  {</div>
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  <span class="keywordflow">for</span> (index=0; index < numAmps; index++) {</div>
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  combineVecRe[index] *= 1-otherProb;</div>
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  combineVecIm[index] *= 1-otherProb;</div>
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  </div>
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  combineVecRe[index] += otherProb * otherVecRe[index];</div>
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  combineVecIm[index] += otherProb * otherVecIm[index];</div>
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span>  }</div>
<div class="line"><a name="l00918"></a><span class="lineno"> 918</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>  </div>
<div class="line"><a name="l00922"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a939897137596bb73ad7a028d0beaaa10"> 922</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="l00923"></a><span class="lineno"> 923</span>  </div>
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l00925"></a><span class="lineno"> 925</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="l00926"></a><span class="lineno"> 926</span>  </div>
<div class="line"><a name="l00927"></a><span class="lineno"> 927</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="l00928"></a><span class="lineno"> 928</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="l00929"></a><span class="lineno"> 929</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="l00930"></a><span class="lineno"> 930</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="l00931"></a><span class="lineno"> 931</span>  </div>
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> trace = 0;</div>
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> difRe, difIm;</div>
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  </div>
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span> <span class="preprocessor"> shared (aRe,aIm, bRe,bIm, numAmps) \</span></div>
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span> <span class="preprocessor"> private (index,difRe,difIm) \</span></div>
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span> <span class="preprocessor"> reduction ( +:trace )</span></div>
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  {</div>
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  <span class="keywordflow">for</span> (index=0LL; index<numAmps; index++) {</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>  difRe = aRe[index] - bRe[index];</div>
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  difIm = aIm[index] - bIm[index];</div>
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  trace += difRe*difRe + difIm*difIm;</div>
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span>  }</div>
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  }</div>
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  </div>
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  <span class="keywordflow">return</span> trace;</div>
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span> }</div>
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  </div>
<div class="line"><a name="l00957"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a08392b1b27d10e3b8a8648a5afeaa629"> 957</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="l00958"></a><span class="lineno"> 958</span>  </div>
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l00960"></a><span class="lineno"> 960</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="l00961"></a><span class="lineno"> 961</span>  </div>
<div class="line"><a name="l00962"></a><span class="lineno"> 962</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="l00963"></a><span class="lineno"> 963</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="l00964"></a><span class="lineno"> 964</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="l00965"></a><span class="lineno"> 965</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="l00966"></a><span class="lineno"> 966</span>  </div>
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> trace = 0;</div>
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span>  </div>
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span> <span class="preprocessor"> shared (aRe,aIm, bRe,bIm, numAmps) \</span></div>
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span> <span class="preprocessor"> private (index) \</span></div>
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span> <span class="preprocessor"> reduction ( +:trace )</span></div>
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  {</div>
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  <span class="keywordflow">for</span> (index=0LL; index<numAmps; index++) {</div>
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span>  trace += aRe[index]*bRe[index] + aIm[index]*bIm[index];</div>
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  }</div>
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span>  }</div>
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span>  </div>
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  <span class="keywordflow">return</span> trace;</div>
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span> }</div>
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  </div>
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  </div>
<div class="line"><a name="l00989"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a7772f97cb4d92a9825bf3b7c82c3230c"> 989</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="l00990"></a><span class="lineno"> 990</span>  </div>
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  <span class="comment">/* Here, elements of pureState are not accessed (instead grabbed from qureg.pair).</span></div>
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span> <span class="comment"> * We only consult the attributes.</span></div>
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span> <span class="comment"> * qureg is a density matrix, and pureState is a statevector.</span></div>
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span> <span class="comment"> * Every node contains as many columns of qureg as amps by pureState.</span></div>
<div class="line"><a name="l00996"></a><span class="lineno"> 996</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="l00997"></a><span class="lineno"> 997</span> <span class="comment"> * Ergo, this node contains columns:</span></div>
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span> <span class="comment"> * qureg.chunkID * pureState.numAmpsPerChunk to</span></div>
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span> <span class="comment"> * (qureg.chunkID + 1) * pureState.numAmpsPerChunk</span></div>
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span> <span class="comment"> *</span></div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span> <span class="comment"> * The first pureState.numAmpsTotal elements of qureg.pairStateVec are the</span></div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span> <span class="comment"> * entire pureState state-vector</span></div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  </div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>  <span class="comment">// unpack everything for OPENMP</span></div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</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="l01007"></a><span class="lineno"> 1007</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="l01008"></a><span class="lineno"> 1008</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="l01009"></a><span class="lineno"> 1009</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="l01010"></a><span class="lineno"> 1010</span>  </div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>  <span class="keywordtype">int</span> row, col;</div>
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>  <span class="keywordtype">int</span> dim = (int) pureState.<a class="code" href="structQureg.html#adef4935cac95763c29164cf99b144ed4">numAmpsTotal</a>; </div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</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="l01014"></a><span class="lineno"> 1014</span>  <span class="comment">// using only int, because density matrix has squared as many amps so its </span></div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>  <span class="comment">// iteration would be impossible if the pureStates numAmpsTotal didn't fit into int</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">// starting GLOBAL column index of the qureg columns on this node</span></div>
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</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="l01019"></a><span class="lineno"> 1019</span>  </div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> densElemRe, densElemIm;</div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> prefacRe, prefacIm;</div>
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> rowSumRe, rowSumIm;</div>
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> vecElemRe, vecElemIm;</div>
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>  </div>
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>  <span class="comment">// quantity computed by this node</span></div>
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</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="l01027"></a><span class="lineno"> 1027</span>  </div>
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span> <span class="preprocessor"> shared (vecRe,vecIm,densRe,densIm, dim,colsPerNode,startCol) \</span></div>
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span> <span class="preprocessor"> private (row,col, prefacRe,prefacIm, rowSumRe,rowSumIm, densElemRe,densElemIm, vecElemRe,vecElemIm) \</span></div>
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span> <span class="preprocessor"> reduction ( +:globalSumRe )</span></div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  {</div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  <span class="comment">// indices of my GLOBAL row</span></div>
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  <span class="keywordflow">for</span> (row=0; row < dim; row++) {</div>
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>  </div>
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  <span class="comment">// single element of conj(pureState)</span></div>
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>  prefacRe = vecRe[row];</div>
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>  prefacIm = - vecIm[row];</div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>  </div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>  rowSumRe = 0;</div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  rowSumIm = 0;</div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  </div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>  <span class="comment">// indices of my LOCAL column</span></div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>  <span class="keywordflow">for</span> (col=0; col < colsPerNode; col++) {</div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>  </div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  <span class="comment">// my local density element</span></div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  densElemRe = densRe[row + dim*col];</div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  densElemIm = densIm[row + dim*col];</div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  </div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  <span class="comment">// state-vector element</span></div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  vecElemRe = vecRe[startCol + col];</div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>  vecElemIm = vecIm[startCol + col];</div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  </div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  rowSumRe += densElemRe*vecElemRe - densElemIm*vecElemIm;</div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  rowSumIm += densElemRe*vecElemIm + densElemIm*vecElemRe;</div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>  }</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>  globalSumRe += rowSumRe*prefacRe - rowSumIm*prefacIm; </div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  }</div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  }</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="keywordflow">return</span> globalSumRe;</div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span> }</div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  </div>
<div class="line"><a name="l01070"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a6fbb3b693f25dde1e9e3dc87dc1984f7"> 1070</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="l01071"></a><span class="lineno"> 1071</span>  </div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> innerProdReal = 0;</div>
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> innerProdImag = 0;</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>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</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="l01077"></a><span class="lineno"> 1077</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="l01078"></a><span class="lineno"> 1078</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="l01079"></a><span class="lineno"> 1079</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="l01080"></a><span class="lineno"> 1080</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="l01081"></a><span class="lineno"> 1081</span>  </div>
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> braRe, braIm, ketRe, ketIm;</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> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span> <span class="preprocessor"> shared (braVecReal, braVecImag, ketVecReal, ketVecImag, numAmps) \</span></div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span> <span class="preprocessor"> private (index, braRe, braIm, ketRe, ketIm) \</span></div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span> <span class="preprocessor"> reduction ( +:innerProdReal, innerProdImag )</span></div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  {</div>
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  <span class="keywordflow">for</span> (index=0; index < numAmps; index++) {</div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>  braRe = braVecReal[index];</div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>  braIm = braVecImag[index];</div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>  ketRe = ketVecReal[index];</div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>  ketIm = ketVecImag[index];</div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>  </div>
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>  <span class="comment">// conj(bra_i) * ket_i</span></div>
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>  innerProdReal += braRe*ketRe + braIm*ketIm;</div>
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>  innerProdImag += braRe*ketIm - braIm*ketRe;</div>
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>  }</div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>  }</div>
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  </div>
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>  <a class="code" href="structComplex.html">Complex</a> innerProd;</div>
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>  innerProd.<a class="code" href="structComplex.html#ab5b2e2eca02131fc74b289a83636cbe3">real</a> = innerProdReal;</div>
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>  innerProd.<a class="code" href="structComplex.html#a84f5439aad0ef495efdd3b4c1c02d27e">imag</a> = innerProdImag;</div>
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>  <span class="keywordflow">return</span> innerProd;</div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span> }</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>  </div>
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  </div>
<div class="line"><a name="l01114"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a20a155f53efc45c16803d7539c2c199d"> 1114</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="l01115"></a><span class="lineno"> 1115</span> {</div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</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="l01118"></a><span class="lineno"> 1118</span>  </div>
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>  <span class="comment">// Can't use qureg->stateVec as a private OMP var</span></div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</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="l01121"></a><span class="lineno"> 1121</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="l01122"></a><span class="lineno"> 1122</span>  </div>
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>  <span class="comment">// initialise the state to all zeros</span></div>
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span> <span class="preprocessor"> shared (densityNumElems, densityReal, densityImag) \</span></div>
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span> <span class="preprocessor"> private (index) </span></div>
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  {</div>
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>  <span class="keywordflow">for</span> (index=0; index<densityNumElems; index++) {</div>
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>  densityReal[index] = 0.0;</div>
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>  densityImag[index] = 0.0;</div>
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>  }</div>
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>  }</div>
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>  </div>
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>  <span class="comment">// index of the single density matrix elem to set non-zero</span></div>
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</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="l01143"></a><span class="lineno"> 1143</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="l01144"></a><span class="lineno"> 1144</span>  </div>
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>  <span class="comment">// give the specified classical state prob 1</span></div>
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>  <span class="keywordflow">if</span> (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> == densityInd / densityNumElems){</div>
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>  densityReal[densityInd % densityNumElems] = 1.0;</div>
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>  densityImag[densityInd % densityNumElems] = 0.0;</div>
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>  }</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"><a class="line" href="QuEST__cpu_8c.html#ad5b2ac0b00afa495f385520b2c5fa839"> 1153</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="l01154"></a><span class="lineno"> 1154</span> {</div>
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</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="l01156"></a><span class="lineno"> 1156</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="l01157"></a><span class="lineno"> 1157</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="l01158"></a><span class="lineno"> 1158</span>  </div>
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>  <span class="comment">// Can't use qureg->stateVec as a private OMP var</span></div>
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</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="l01161"></a><span class="lineno"> 1161</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="l01162"></a><span class="lineno"> 1162</span>  </div>
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</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="l01165"></a><span class="lineno"> 1165</span>  <span class="comment">// initialise the state to |+++..+++> = 1/normFactor {1, 1, 1, ...}</span></div>
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span> <span class="preprocessor"> shared (chunkSize, densityReal, densityImag, probFactor) \</span></div>
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span> <span class="preprocessor"> private (index) </span></div>
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>  {</div>
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>  <span class="keywordflow">for</span> (index=0; index<chunkSize; index++) {</div>
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>  densityReal[index] = probFactor;</div>
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>  densityImag[index] = 0.0;</div>
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>  }</div>
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>  }</div>
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span> }</div>
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>  </div>
<div class="line"><a name="l01183"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a1b36518c8fbbc3a5084bb4ad1fb05ea5"> 1183</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="l01184"></a><span class="lineno"> 1184</span>  </div>
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>  <span class="comment">/* copyQureg amps aren't explicitly used - they're accessed through targetQureg.pair,</span></div>
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span> <span class="comment"> * which contains the full pure statevector.</span></div>
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span> <span class="comment"> * targetQureg has as many columns on node as copyQureg has amps</span></div>
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>  </div>
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</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="l01191"></a><span class="lineno"> 1191</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="l01192"></a><span class="lineno"> 1192</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="l01193"></a><span class="lineno"> 1193</span>  </div>
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>  <span class="comment">// unpack vars for OpenMP</span></div>
<div class="line"><a name="l01195"></a><span class="lineno"> 1195</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="l01196"></a><span class="lineno"> 1196</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="l01197"></a><span class="lineno"> 1197</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="l01198"></a><span class="lineno"> 1198</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="l01199"></a><span class="lineno"> 1199</span>  </div>
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</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="l01201"></a><span class="lineno"> 1201</span>  </div>
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>  <span class="comment">// a_i conj(a_j) |i><j|</span></div>
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> ketRe, ketIm, braRe, braIm;</div>
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>  </div>
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span> <span class="preprocessor"> shared (colOffset, colsPerNode,rowsPerNode, vecRe,vecIm,densRe,densIm) \</span></div>
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span> <span class="preprocessor"> private (col,row, ketRe,ketIm,braRe,braIm, index) </span></div>
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span> <span class="preprocessor"># endif</span></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="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>  <span class="comment">// local column</span></div>
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>  <span class="keywordflow">for</span> (col=0; col < colsPerNode; col++) {</div>
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>  </div>
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>  <span class="comment">// global row</span></div>
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>  <span class="keywordflow">for</span> (row=0; row < rowsPerNode; row++) {</div>
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>  </div>
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span>  <span class="comment">// get pure state amps</span></div>
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>  ketRe = vecRe[row];</div>
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>  ketIm = vecIm[row];</div>
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>  braRe = vecRe[col + colOffset];</div>
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span>  braIm = - vecIm[col + colOffset]; <span class="comment">// minus for conjugation</span></div>
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span>  </div>
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>  <span class="comment">// update density matrix</span></div>
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>  index = row + col*rowsPerNode; <span class="comment">// local ind</span></div>
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>  densRe[index] = ketRe*braRe - ketIm*braIm;</div>
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>  densIm[index] = ketRe*braIm + ketIm*braRe;</div>
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>  }</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>  }</div>
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span> }</div>
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>  </div>
<div class="line"><a name="l01236"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#aa121d55f2ca09c06a96ddcd433c60b0f"> 1236</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="l01237"></a><span class="lineno"> 1237</span>  </div>
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>  <span class="comment">/* this is actually distributed, since the user's code runs on every node */</span></div>
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>  </div>
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</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="l01241"></a><span class="lineno"> 1241</span>  <span class="comment">// these may be negative or above qureg.numAmpsPerChunk</span></div>
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</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="l01243"></a><span class="lineno"> 1243</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="l01244"></a><span class="lineno"> 1244</span>  </div>
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>  <span class="comment">// add this to a local index to get corresponding elem in reals & imags</span></div>
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</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="l01247"></a><span class="lineno"> 1247</span>  </div>
<div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>  <span class="comment">// restrict these indices to fit into this chunk</span></div>
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>  <span class="keywordflow">if</span> (localStartInd < 0)</div>
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>  localStartInd = 0;</div>
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>  <span class="keywordflow">if</span> (localEndInd > qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>)</div>
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>  localEndInd = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>  <span class="comment">// they may now be out of order = no iterations</span></div>
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>  </div>
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>  <span class="comment">// unpacking OpenMP vars</span></div>
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</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="l01258"></a><span class="lineno"> 1258</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="l01259"></a><span class="lineno"> 1259</span>  </div>
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span> <span class="preprocessor"> shared (localStartInd,localEndInd, vecRe,vecIm, reals,imags, offset) \</span></div>
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span> <span class="preprocessor"> private (index) </span></div>
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span> <span class="preprocessor"># endif</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="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>  <span class="comment">// iterate these local inds - this might involve no iterations</span></div>
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>  <span class="keywordflow">for</span> (index=localStartInd; index < localEndInd; index++) {</div>
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>  vecRe[index] = reals[index + offset];</div>
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>  vecIm[index] = imags[index + offset];</div>
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>  }</div>
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>  }</div>
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span> }</div>
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>  </div>
<div class="line"><a name="l01278"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a365bbb1b80cb00405c8bf1a4fa1ea8e5"> 1278</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="l01279"></a><span class="lineno"> 1279</span> {</div>
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</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="l01281"></a><span class="lineno"> 1281</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="l01282"></a><span class="lineno"> 1282</span>  </div>
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>  <span class="keywordflow">if</span> (numAmpsPerRank > SIZE_MAX) {</div>
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>  printf(<span class="stringliteral">"Could not allocate memory (cannot fit numAmps into size_t)!"</span>);</div>
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>  exit (EXIT_FAILURE);</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>  <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="l01289"></a><span class="lineno"> 1289</span>  qureg-><a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real = malloc(arrSize);</div>
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>  qureg-><a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag = malloc(arrSize);</div>
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>  <span class="keywordflow">if</span> (env.<a class="code" href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">numRanks</a>>1){</div>
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>  qureg-><a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real = malloc(arrSize);</div>
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>  qureg-><a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag = malloc(arrSize);</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>  </div>
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</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="l01297"></a><span class="lineno"> 1297</span>  && numAmpsPerRank ) {</div>
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>  printf(<span class="stringliteral">"Could not allocate memory!"</span>);</div>
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>  exit (EXIT_FAILURE);</div>
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>  }</div>
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>  </div>
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</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="l01303"></a><span class="lineno"> 1303</span>  && numAmpsPerRank ) {</div>
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>  printf(<span class="stringliteral">"Could not allocate memory!"</span>);</div>
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>  exit (EXIT_FAILURE);</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>  qureg-><a class="code" href="structQureg.html#a0a86e8a50ea8c998b4a0a6640c5a1218">numQubitsInStateVec</a> = numQubits;</div>
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>  qureg-><a class="code" href="structQureg.html#adef4935cac95763c29164cf99b144ed4">numAmpsTotal</a> = numAmps;</div>
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>  qureg-><a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a> = numAmpsPerRank;</div>
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</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="l01312"></a><span class="lineno"> 1312</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="l01313"></a><span class="lineno"> 1313</span>  qureg-><a class="code" href="structQureg.html#acf78445e9435d09f44f0cc832c6aee79">isDensityMatrix</a> = 0;</div>
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span> }</div>
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>  </div>
<div class="line"><a name="l01316"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a2a52ad9f9ad9b2fd6a76f6d433b3b217"> 1316</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="l01317"></a><span class="lineno"> 1317</span>  </div>
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>  qureg.<a class="code" href="structQureg.html#a0a86e8a50ea8c998b4a0a6640c5a1218">numQubitsInStateVec</a> = 0;</div>
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>  qureg.<a class="code" href="structQureg.html#adef4935cac95763c29164cf99b144ed4">numAmpsTotal</a> = 0;</div>
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>  qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a> = 0;</div>
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>  </div>
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>  free(qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real);</div>
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>  free(qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag);</div>
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>  <span class="keywordflow">if</span> (env.<a class="code" href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">numRanks</a>>1){</div>
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>  free(qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real);</div>
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>  free(qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag);</div>
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>  }</div>
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real = NULL;</div>
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag = NULL;</div>
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>  qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.real = NULL;</div>
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>  qureg.<a class="code" href="structQureg.html#aba97773694870ef35e378c036f486bb7">pairStateVec</a>.imag = NULL;</div>
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span> }</div>
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>  </div>
<div class="line"><a name="l01334"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a1e57230c7995447039e62a84c0a36524"> 1334</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="l01335"></a><span class="lineno"> 1335</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>  <span class="keywordtype">int</span> rank;</div>
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>  <span class="keywordflow">if</span> (qureg.<a class="code" href="structQureg.html#a0a86e8a50ea8c998b4a0a6640c5a1218">numQubitsInStateVec</a><=5){</div>
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</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="l01339"></a><span class="lineno"> 1339</span>  <span class="keywordflow">if</span> (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>==rank){</div>
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>  <span class="keywordflow">if</span> (reportRank) {</div>
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</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="l01342"></a><span class="lineno"> 1342</span>  printf(<span class="stringliteral">"real, imag\n"</span>);</div>
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (rank==0) {</div>
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>  printf(<span class="stringliteral">"Reporting state [\n"</span>);</div>
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>  printf(<span class="stringliteral">"real, imag\n"</span>);</div>
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>  }</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="keywordflow">for</span>(index=0; index<qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>; index++){</div>
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</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="l01350"></a><span class="lineno"> 1350</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="l01351"></a><span class="lineno"> 1351</span>  }</div>
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</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="l01353"></a><span class="lineno"> 1353</span>  }</div>
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>  <a class="code" href="group__debug.html#ga8d31fe2d1ad4d01e2a1f5f6b8bc15b77">syncQuESTEnv</a>(env);</div>
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>  }</div>
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</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="l01357"></a><span class="lineno"> 1357</span> }</div>
<div class="line"><a name="l01358"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a6870e335f2a78b724f603cd9f820b9ab"> 1358</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a6870e335f2a78b724f603cd9f820b9ab">statevec_getEnvironmentString</a>(<a class="code" href="structQuESTEnv.html">QuESTEnv</a> env, <a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keywordtype">char</span> str[200]){</div>
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>  <span class="keywordtype">int</span> numThreads=1;</div>
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>  numThreads=omp_get_max_threads(); </div>
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>  sprintf(str, <span class="stringliteral">"%dqubits_CPU_%dranksx%dthreads"</span>, qureg.<a class="code" href="structQureg.html#a0a86e8a50ea8c998b4a0a6640c5a1218">numQubitsInStateVec</a>, env.<a class="code" href="structQuESTEnv.html#af22aacd7c9905accae28484785c193b4">numRanks</a>, numThreads);</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>  </div>
<div class="line"><a name="l01366"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a758bad4237ff0bf3b4ff5be626a982ae"> 1366</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="l01367"></a><span class="lineno"> 1367</span> {</div>
<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>  </div>
<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>  stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>  </div>
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>  <span class="comment">// Can't use qureg->stateVec as a private OMP var</span></div>
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</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="l01376"></a><span class="lineno"> 1376</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="l01377"></a><span class="lineno"> 1377</span>  </div>
<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>  <span class="comment">// initialise the state-vector to all-zeroes</span></div>
<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span> <span class="preprocessor"> shared (stateVecSize, stateVecReal, stateVecImag) \</span></div>
<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span> <span class="preprocessor"> private (index) </span></div>
<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>  {</div>
<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>  stateVecReal[index] = 0.0;</div>
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>  stateVecImag[index] = 0.0;</div>
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>  }</div>
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>  }</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>  </div>
<div class="line"><a name="l01396"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a2ca0c6ba07ab2b4b437321bf17efc966"> 1396</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="l01397"></a><span class="lineno"> 1397</span> {</div>
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>  <a class="code" href="QuEST__cpu_8c.html#a758bad4237ff0bf3b4ff5be626a982ae">statevec_initBlankState</a>(qureg);</div>
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>  <span class="keywordflow">if</span> (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>==0){</div>
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>  <span class="comment">// zero state |0000..0000> has probability 1</span></div>
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.real[0] = 1.0;</div>
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>  qureg.<a class="code" href="structQureg.html#a441e4cacef6bd17adb9813c7442d42fe">stateVec</a>.imag[0] = 0.0;</div>
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>  }</div>
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span> }</div>
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>  </div>
<div class="line"><a name="l01406"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a482fc361fd5f08075404c72e536316a0"> 1406</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="l01407"></a><span class="lineno"> 1407</span> {</div>
<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize, stateVecSize;</div>
<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>  </div>
<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>  chunkSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>  stateVecSize = chunkSize*qureg.<a class="code" href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">numChunks</a>;</div>
<div class="line"><a name="l01414"></a><span class="lineno"> 1414</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="l01415"></a><span class="lineno"> 1415</span>  </div>
<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>  <span class="comment">// Can't use qureg->stateVec as a private OMP var</span></div>
<div class="line"><a name="l01417"></a><span class="lineno"> 1417</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="l01418"></a><span class="lineno"> 1418</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="l01419"></a><span class="lineno"> 1419</span>  </div>
<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>  <span class="comment">// initialise the state to |+++..+++> = 1/normFactor {1, 1, 1, ...}</span></div>
<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01422"></a><span class="lineno"> 1422</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01423"></a><span class="lineno"> 1423</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span> <span class="preprocessor"> shared (chunkSize, stateVecReal, stateVecImag, normFactor) \</span></div>
<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span> <span class="preprocessor"> private (index) </span></div>
<div class="line"><a name="l01426"></a><span class="lineno"> 1426</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>  {</div>
<div class="line"><a name="l01428"></a><span class="lineno"> 1428</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>  <span class="keywordflow">for</span> (index=0; index<chunkSize; index++) {</div>
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>  stateVecReal[index] = normFactor;</div>
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>  stateVecImag[index] = 0.0;</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>  }</div>
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</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"><a class="line" href="QuEST__cpu_8c.html#a288dc4b46bdacd69cbf4a6fd070d26a7"> 1438</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="l01439"></a><span class="lineno"> 1439</span> {</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> stateVecSize;</div>
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>  </div>
<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>  stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>  </div>
<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>  <span class="comment">// Can't use qureg->stateVec as a private OMP var</span></div>
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</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="l01448"></a><span class="lineno"> 1448</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="l01449"></a><span class="lineno"> 1449</span>  </div>
<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>  <span class="comment">// initialise the state to vector to all zeros</span></div>
<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01452"></a><span class="lineno"> 1452</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01453"></a><span class="lineno"> 1453</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01454"></a><span class="lineno"> 1454</span> <span class="preprocessor"> shared (stateVecSize, stateVecReal, stateVecImag) \</span></div>
<div class="line"><a name="l01455"></a><span class="lineno"> 1455</span> <span class="preprocessor"> private (index) </span></div>
<div class="line"><a name="l01456"></a><span class="lineno"> 1456</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>  {</div>
<div class="line"><a name="l01458"></a><span class="lineno"> 1458</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01459"></a><span class="lineno"> 1459</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01460"></a><span class="lineno"> 1460</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l01462"></a><span class="lineno"> 1462</span>  stateVecReal[index] = 0.0;</div>
<div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>  stateVecImag[index] = 0.0;</div>
<div class="line"><a name="l01464"></a><span class="lineno"> 1464</span>  }</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>  </div>
<div class="line"><a name="l01467"></a><span class="lineno"> 1467</span>  <span class="comment">// give the specified classical state prob 1</span></div>
<div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>  <span class="keywordflow">if</span> (qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a> == stateInd/stateVecSize){</div>
<div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>  stateVecReal[stateInd % stateVecSize] = 1.0;</div>
<div class="line"><a name="l01470"></a><span class="lineno"> 1470</span>  stateVecImag[stateInd % stateVecSize] = 0.0;</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> }</div>
<div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>  </div>
<div class="line"><a name="l01474"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#aa4b77089145184d990848cd66993aa8b"> 1474</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="l01475"></a><span class="lineno"> 1475</span>  </div>
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>  <span class="comment">// registers are equal sized, so nodes hold the same state-vector partitions</span></div>
<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span>  </div>
<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>  stateVecSize = targetQureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01482"></a><span class="lineno"> 1482</span>  </div>
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>  <span class="comment">// Can't use qureg->stateVec as a private OMP var</span></div>
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</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="l01485"></a><span class="lineno"> 1485</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="l01486"></a><span class="lineno"> 1486</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="l01487"></a><span class="lineno"> 1487</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="l01488"></a><span class="lineno"> 1488</span>  </div>
<div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>  <span class="comment">// initialise the state to |0000..0000></span></div>
<div class="line"><a name="l01490"></a><span class="lineno"> 1490</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01491"></a><span class="lineno"> 1491</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01492"></a><span class="lineno"> 1492</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01493"></a><span class="lineno"> 1493</span> <span class="preprocessor"> shared (stateVecSize, targetStateVecReal, targetStateVecImag, copyStateVecReal, copyStateVecImag) \</span></div>
<div class="line"><a name="l01494"></a><span class="lineno"> 1494</span> <span class="preprocessor"> private (index) </span></div>
<div class="line"><a name="l01495"></a><span class="lineno"> 1495</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>  {</div>
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>  targetStateVecReal[index] = copyStateVecReal[index];</div>
<div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>  targetStateVecImag[index] = copyStateVecImag[index];</div>
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>  }</div>
<div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>  }</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>  </div>
<div class="line"><a name="l01513"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a923906770cac0da9e3459bae58de9e64"> 1513</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="l01514"></a><span class="lineno"> 1514</span> {</div>
<div class="line"><a name="l01515"></a><span class="lineno"> 1515</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize, stateVecSize;</div>
<div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01517"></a><span class="lineno"> 1517</span>  <span class="keywordtype">int</span> bit;</div>
<div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>  <span class="keyword">const</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="l01519"></a><span class="lineno"> 1519</span>  </div>
<div class="line"><a name="l01520"></a><span class="lineno"> 1520</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l01521"></a><span class="lineno"> 1521</span>  chunkSize = qureg-><a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01522"></a><span class="lineno"> 1522</span>  stateVecSize = chunkSize*qureg-><a class="code" href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">numChunks</a>;</div>
<div class="line"><a name="l01523"></a><span class="lineno"> 1523</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="l01524"></a><span class="lineno"> 1524</span>  </div>
<div class="line"><a name="l01525"></a><span class="lineno"> 1525</span>  <span class="comment">// Can't use qureg->stateVec as a private OMP var</span></div>
<div class="line"><a name="l01526"></a><span class="lineno"> 1526</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="l01527"></a><span class="lineno"> 1527</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="l01528"></a><span class="lineno"> 1528</span>  </div>
<div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>  <span class="comment">// initialise the state to |0000..0000></span></div>
<div class="line"><a name="l01530"></a><span class="lineno"> 1530</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01531"></a><span class="lineno"> 1531</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01532"></a><span class="lineno"> 1532</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01533"></a><span class="lineno"> 1533</span> <span class="preprocessor"> shared (chunkSize, stateVecReal, stateVecImag, normFactor, qubitId, outcome) \</span></div>
<div class="line"><a name="l01534"></a><span class="lineno"> 1534</span> <span class="preprocessor"> private (index, bit) </span></div>
<div class="line"><a name="l01535"></a><span class="lineno"> 1535</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01536"></a><span class="lineno"> 1536</span>  {</div>
<div class="line"><a name="l01537"></a><span class="lineno"> 1537</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01538"></a><span class="lineno"> 1538</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01539"></a><span class="lineno"> 1539</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01540"></a><span class="lineno"> 1540</span>  <span class="keywordflow">for</span> (index=0; index<chunkSize; index++) {</div>
<div class="line"><a name="l01541"></a><span class="lineno"> 1541</span>  bit = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a>(qubitId, index+chunkId*chunkSize);</div>
<div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>  <span class="keywordflow">if</span> (bit==outcome) {</div>
<div class="line"><a name="l01543"></a><span class="lineno"> 1543</span>  stateVecReal[index] = normFactor;</div>
<div class="line"><a name="l01544"></a><span class="lineno"> 1544</span>  stateVecImag[index] = 0.0;</div>
<div class="line"><a name="l01545"></a><span class="lineno"> 1545</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>  stateVecReal[index] = 0.0;</div>
<div class="line"><a name="l01547"></a><span class="lineno"> 1547</span>  stateVecImag[index] = 0.0;</div>
<div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>  }</div>
<div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>  }</div>
<div class="line"><a name="l01550"></a><span class="lineno"> 1550</span>  }</div>
<div class="line"><a name="l01551"></a><span class="lineno"> 1551</span> }</div>
<div class="line"><a name="l01552"></a><span class="lineno"> 1552</span>  </div>
<div class="line"><a name="l01553"></a><span class="lineno"> 1553</span>  </div>
<div class="line"><a name="l01559"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ad9fd3017ea40cf63fd04b39e03494972"> 1559</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="l01560"></a><span class="lineno"> 1560</span> {</div>
<div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize;</div>
<div class="line"><a name="l01562"></a><span class="lineno"> 1562</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> indexOffset;</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">// dimension of the state vector</span></div>
<div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>  chunkSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>  </div>
<div class="line"><a name="l01568"></a><span class="lineno"> 1568</span>  <span class="comment">// Can't use qureg->stateVec as a private OMP var</span></div>
<div class="line"><a name="l01569"></a><span class="lineno"> 1569</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="l01570"></a><span class="lineno"> 1570</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="l01571"></a><span class="lineno"> 1571</span>  </div>
<div class="line"><a name="l01572"></a><span class="lineno"> 1572</span>  indexOffset = chunkSize * qureg.<a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>;</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">// initialise the state to |0000..0000></span></div>
<div class="line"><a name="l01575"></a><span class="lineno"> 1575</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01576"></a><span class="lineno"> 1576</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01577"></a><span class="lineno"> 1577</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01578"></a><span class="lineno"> 1578</span> <span class="preprocessor"> shared (chunkSize, stateVecReal, stateVecImag, indexOffset) \</span></div>
<div class="line"><a name="l01579"></a><span class="lineno"> 1579</span> <span class="preprocessor"> private (index) </span></div>
<div class="line"><a name="l01580"></a><span class="lineno"> 1580</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>  {</div>
<div class="line"><a name="l01582"></a><span class="lineno"> 1582</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01583"></a><span class="lineno"> 1583</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01584"></a><span class="lineno"> 1584</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01585"></a><span class="lineno"> 1585</span>  <span class="keywordflow">for</span> (index=0; index<chunkSize; index++) {</div>
<div class="line"><a name="l01586"></a><span class="lineno"> 1586</span>  stateVecReal[index] = ((indexOffset + index)*2.0)/10.0;</div>
<div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>  stateVecImag[index] = ((indexOffset + index)*2.0+1.0)/10.0;</div>
<div class="line"><a name="l01588"></a><span class="lineno"> 1588</span>  }</div>
<div class="line"><a name="l01589"></a><span class="lineno"> 1589</span>  }</div>
<div class="line"><a name="l01590"></a><span class="lineno"> 1590</span> }</div>
<div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>  </div>
<div class="line"><a name="l01592"></a><span class="lineno"> 1592</span> <span class="comment">// returns 1 if successful, else 0</span></div>
<div class="line"><a name="l01593"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a05756b45f10135bb2eeb07380f806c20"> 1593</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="l01594"></a><span class="lineno"> 1594</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> chunkSize, stateVecSize;</div>
<div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> indexInChunk, totalIndex;</div>
<div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>  </div>
<div class="line"><a name="l01597"></a><span class="lineno"> 1597</span>  chunkSize = qureg-><a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>  stateVecSize = chunkSize*qureg-><a class="code" href="structQureg.html#aa3deb7163aab90a61e755a1f200f5413">numChunks</a>;</div>
<div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>  </div>
<div class="line"><a name="l01600"></a><span class="lineno"> 1600</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="l01601"></a><span class="lineno"> 1601</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="l01602"></a><span class="lineno"> 1602</span>  </div>
<div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>  FILE *fp;</div>
<div class="line"><a name="l01604"></a><span class="lineno"> 1604</span>  <span class="keywordtype">char</span> line[200];</div>
<div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>  </div>
<div class="line"><a name="l01606"></a><span class="lineno"> 1606</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="l01607"></a><span class="lineno"> 1607</span>  <span class="keywordflow">if</span> (rank==qureg-><a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>){</div>
<div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>  fp = fopen(filename, <span class="stringliteral">"r"</span>);</div>
<div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>  </div>
<div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>  <span class="comment">// indicate file open failure</span></div>
<div class="line"><a name="l01611"></a><span class="lineno"> 1611</span>  <span class="keywordflow">if</span> (fp == NULL)</div>
<div class="line"><a name="l01612"></a><span class="lineno"> 1612</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>  </div>
<div class="line"><a name="l01614"></a><span class="lineno"> 1614</span>  indexInChunk = 0; totalIndex = 0;</div>
<div class="line"><a name="l01615"></a><span class="lineno"> 1615</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="l01616"></a><span class="lineno"> 1616</span>  <span class="keywordflow">if</span> (line[0]!=<span class="charliteral">'#'</span>){</div>
<div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>  <span class="keywordtype">int</span> chunkId = (int) (totalIndex/chunkSize);</div>
<div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>  <span class="keywordflow">if</span> (chunkId==qureg-><a class="code" href="structQureg.html#ac2929e681d3d95591c18cf168dbbe4f0">chunkId</a>){</div>
<div class="line"><a name="l01619"></a><span class="lineno"> 1619</span> <span class="preprocessor"> # if QuEST_PREC==1</span></div>
<div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>  sscanf(line, <span class="stringliteral">"%f, %f"</span>, &(stateVecReal[indexInChunk]), </div>
<div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>  &(stateVecImag[indexInChunk])); </div>
<div class="line"><a name="l01622"></a><span class="lineno"> 1622</span> <span class="preprocessor"> # elif QuEST_PREC==2 </span></div>
<div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>  sscanf(line, <span class="stringliteral">"%lf, %lf"</span>, &(stateVecReal[indexInChunk]), </div>
<div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>  &(stateVecImag[indexInChunk]));</div>
<div class="line"><a name="l01625"></a><span class="lineno"> 1625</span> <span class="preprocessor"> # elif QuEST_PREC==4</span></div>
<div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>  sscanf(line, <span class="stringliteral">"%Lf, %Lf"</span>, &(stateVecReal[indexInChunk]), </div>
<div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>  &(stateVecImag[indexInChunk]));</div>
<div class="line"><a name="l01628"></a><span class="lineno"> 1628</span> <span class="preprocessor"> # endif</span></div>
<div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>  indexInChunk += 1;</div>
<div class="line"><a name="l01630"></a><span class="lineno"> 1630</span>  }</div>
<div class="line"><a name="l01631"></a><span class="lineno"> 1631</span>  totalIndex += 1;</div>
<div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>  }</div>
<div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>  } </div>
<div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>  fclose(fp);</div>
<div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>  }</div>
<div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>  <a class="code" href="group__debug.html#ga8d31fe2d1ad4d01e2a1f5f6b8bc15b77">syncQuESTEnv</a>(env);</div>
<div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>  }</div>
<div class="line"><a name="l01638"></a><span class="lineno"> 1638</span>  </div>
<div class="line"><a name="l01639"></a><span class="lineno"> 1639</span>  <span class="comment">// indicate success</span></div>
<div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>  <span class="keywordflow">return</span> 1;</div>
<div class="line"><a name="l01641"></a><span class="lineno"> 1641</span> }</div>
<div class="line"><a name="l01642"></a><span class="lineno"> 1642</span>  </div>
<div class="line"><a name="l01643"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ae6cecbad32a03416138b321cdc1a2c33"> 1643</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="l01644"></a><span class="lineno"> 1644</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> diff;</div>
<div class="line"><a name="l01645"></a><span class="lineno"> 1645</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="l01646"></a><span class="lineno"> 1646</span>  </div>
<div class="line"><a name="l01647"></a><span class="lineno"> 1647</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="l01648"></a><span class="lineno"> 1648</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="l01649"></a><span class="lineno"> 1649</span>  <span class="keywordflow">if</span> (diff>precision) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l01650"></a><span class="lineno"> 1650</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="l01651"></a><span class="lineno"> 1651</span>  <span class="keywordflow">if</span> (diff>precision) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l01652"></a><span class="lineno"> 1652</span>  }</div>
<div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>  <span class="keywordflow">return</span> 1;</div>
<div class="line"><a name="l01654"></a><span class="lineno"> 1654</span> }</div>
<div class="line"><a name="l01655"></a><span class="lineno"> 1655</span>  </div>
<div class="line"><a name="l01656"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#aa5865e66a6e0993ae17d400c9ee0eb43"> 1656</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#aa5865e66a6e0993ae17d400c9ee0eb43">statevec_compactUnitaryLocal</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <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="l01657"></a><span class="lineno"> 1657</span> {</div>
<div class="line"><a name="l01658"></a><span class="lineno"> 1658</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</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> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l01660"></a><span class="lineno"> 1660</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l01661"></a><span class="lineno"> 1661</span>  </div>
<div class="line"><a name="l01662"></a><span class="lineno"> 1662</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l01664"></a><span class="lineno"> 1664</span>  <span class="keyword">const</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="l01665"></a><span class="lineno"> 1665</span>  </div>
<div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l01667"></a><span class="lineno"> 1667</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l01668"></a><span class="lineno"> 1668</span>  sizeBlock = 2LL * sizeHalfBlock; </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>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l01671"></a><span class="lineno"> 1671</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="l01672"></a><span class="lineno"> 1672</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="l01673"></a><span class="lineno"> 1673</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="l01674"></a><span class="lineno"> 1674</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="l01675"></a><span class="lineno"> 1675</span>  </div>
<div class="line"><a name="l01676"></a><span class="lineno"> 1676</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01677"></a><span class="lineno"> 1677</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01678"></a><span class="lineno"> 1678</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01679"></a><span class="lineno"> 1679</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, alphaReal,alphaImag, betaReal,betaImag) \</span></div>
<div class="line"><a name="l01680"></a><span class="lineno"> 1680</span> <span class="preprocessor"> private (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,stateRealLo,stateImagLo) </span></div>
<div class="line"><a name="l01681"></a><span class="lineno"> 1681</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01682"></a><span class="lineno"> 1682</span>  {</div>
<div class="line"><a name="l01683"></a><span class="lineno"> 1683</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01684"></a><span class="lineno"> 1684</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01685"></a><span class="lineno"> 1685</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01686"></a><span class="lineno"> 1686</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</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>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l01689"></a><span class="lineno"> 1689</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l01690"></a><span class="lineno"> 1690</span>  indexLo = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l01691"></a><span class="lineno"> 1691</span>  </div>
<div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l01693"></a><span class="lineno"> 1693</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l01694"></a><span class="lineno"> 1694</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l01695"></a><span class="lineno"> 1695</span>  </div>
<div class="line"><a name="l01696"></a><span class="lineno"> 1696</span>  stateRealLo = stateVecReal[indexLo];</div>
<div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>  stateImagLo = stateVecImag[indexLo];</div>
<div class="line"><a name="l01698"></a><span class="lineno"> 1698</span>  </div>
<div class="line"><a name="l01699"></a><span class="lineno"> 1699</span>  <span class="comment">// state[indexUp] = alpha * state[indexUp] - conj(beta) * state[indexLo]</span></div>
<div class="line"><a name="l01700"></a><span class="lineno"> 1700</span>  stateVecReal[indexUp] = alphaReal*stateRealUp - alphaImag*stateImagUp </div>
<div class="line"><a name="l01701"></a><span class="lineno"> 1701</span>  - betaReal*stateRealLo - betaImag*stateImagLo;</div>
<div class="line"><a name="l01702"></a><span class="lineno"> 1702</span>  stateVecImag[indexUp] = alphaReal*stateImagUp + alphaImag*stateRealUp </div>
<div class="line"><a name="l01703"></a><span class="lineno"> 1703</span>  - betaReal*stateImagLo + betaImag*stateRealLo;</div>
<div class="line"><a name="l01704"></a><span class="lineno"> 1704</span>  </div>
<div class="line"><a name="l01705"></a><span class="lineno"> 1705</span>  <span class="comment">// state[indexLo] = beta * state[indexUp] + conj(alpha) * state[indexLo]</span></div>
<div class="line"><a name="l01706"></a><span class="lineno"> 1706</span>  stateVecReal[indexLo] = betaReal*stateRealUp - betaImag*stateImagUp </div>
<div class="line"><a name="l01707"></a><span class="lineno"> 1707</span>  + alphaReal*stateRealLo + alphaImag*stateImagLo;</div>
<div class="line"><a name="l01708"></a><span class="lineno"> 1708</span>  stateVecImag[indexLo] = betaReal*stateImagUp + betaImag*stateRealUp </div>
<div class="line"><a name="l01709"></a><span class="lineno"> 1709</span>  + alphaReal*stateImagLo - alphaImag*stateRealLo;</div>
<div class="line"><a name="l01710"></a><span class="lineno"> 1710</span>  } </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>  </div>
<div class="line"><a name="l01713"></a><span class="lineno"> 1713</span> } </div>
<div class="line"><a name="l01714"></a><span class="lineno"> 1714</span>  </div>
<div class="line"><a name="l01715"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#aa7f5f0bf7fa945d46eb51e79e00a8dfd"> 1715</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#aa7f5f0bf7fa945d46eb51e79e00a8dfd">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="keyword">const</span> <span class="keywordtype">int</span> q1, <span class="keyword">const</span> <span class="keywordtype">int</span> q2, <a class="code" href="structComplexMatrix4.html">ComplexMatrix4</a> u) {</div>
<div class="line"><a name="l01716"></a><span class="lineno"> 1716</span>  </div>
<div class="line"><a name="l01717"></a><span class="lineno"> 1717</span>  <span class="comment">// can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l01718"></a><span class="lineno"> 1718</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="l01719"></a><span class="lineno"> 1719</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="l01720"></a><span class="lineno"> 1720</span>  </div>
<div class="line"><a name="l01721"></a><span class="lineno"> 1721</span>  <span class="comment">// the global (between all nodes) index of this node's start index</span></div>
<div class="line"><a name="l01722"></a><span class="lineno"> 1722</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="l01723"></a><span class="lineno"> 1723</span>  </div>
<div class="line"><a name="l01724"></a><span class="lineno"> 1724</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="l01725"></a><span class="lineno"> 1725</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l01726"></a><span class="lineno"> 1726</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisGlobalInd00;</div>
<div class="line"><a name="l01727"></a><span class="lineno"> 1727</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="l01728"></a><span class="lineno"> 1728</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> re00, re01, re10, re11;</div>
<div class="line"><a name="l01729"></a><span class="lineno"> 1729</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> im00, im01, im10, im11;</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> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01732"></a><span class="lineno"> 1732</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01733"></a><span class="lineno"> 1733</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01734"></a><span class="lineno"> 1734</span> <span class="preprocessor"> shared (reVec,imVec,globalIndStart,numTasks,ctrlMask,u) \</span></div>
<div class="line"><a name="l01735"></a><span class="lineno"> 1735</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="l01736"></a><span class="lineno"> 1736</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01737"></a><span class="lineno"> 1737</span>  {</div>
<div class="line"><a name="l01738"></a><span class="lineno"> 1738</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01739"></a><span class="lineno"> 1739</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01740"></a><span class="lineno"> 1740</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01741"></a><span class="lineno"> 1741</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l01742"></a><span class="lineno"> 1742</span>  </div>
<div class="line"><a name="l01743"></a><span class="lineno"> 1743</span>  <span class="comment">// determine ind00 of |..0..0..></span></div>
<div class="line"><a name="l01744"></a><span class="lineno"> 1744</span>  ind00 = <a class="code" href="QuEST__gpu_8cu.html#a60b4893613de0cd6595f60cdec24999a">insertTwoZeroBits</a>(thisTask, q1, q2);</div>
<div class="line"><a name="l01745"></a><span class="lineno"> 1745</span>  </div>
<div class="line"><a name="l01746"></a><span class="lineno"> 1746</span>  <span class="comment">// skip amplitude if controls aren't in 1 state (overloaded for speed)</span></div>
<div class="line"><a name="l01747"></a><span class="lineno"> 1747</span>  thisGlobalInd00 = ind00 + globalIndStart;</div>
<div class="line"><a name="l01748"></a><span class="lineno"> 1748</span>  <span class="keywordflow">if</span> (ctrlMask && ((ctrlMask & thisGlobalInd00) != ctrlMask))</div>
<div class="line"><a name="l01749"></a><span class="lineno"> 1749</span>  <span class="keywordflow">continue</span>;</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="comment">// inds of |..0..1..>, |..1..0..> and |..1..1..></span></div>
<div class="line"><a name="l01752"></a><span class="lineno"> 1752</span>  ind01 = <a class="code" href="QuEST__gpu_8cu.html#a6aea6cf9c06d05a5765ad01311531627">flipBit</a>(ind00, q1);</div>
<div class="line"><a name="l01753"></a><span class="lineno"> 1753</span>  ind10 = <a class="code" href="QuEST__gpu_8cu.html#a6aea6cf9c06d05a5765ad01311531627">flipBit</a>(ind00, q2);</div>
<div class="line"><a name="l01754"></a><span class="lineno"> 1754</span>  ind11 = <a class="code" href="QuEST__gpu_8cu.html#a6aea6cf9c06d05a5765ad01311531627">flipBit</a>(ind01, q2);</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="comment">// extract statevec amplitudes </span></div>
<div class="line"><a name="l01757"></a><span class="lineno"> 1757</span>  re00 = reVec[ind00]; im00 = imVec[ind00];</div>
<div class="line"><a name="l01758"></a><span class="lineno"> 1758</span>  re01 = reVec[ind01]; im01 = imVec[ind01];</div>
<div class="line"><a name="l01759"></a><span class="lineno"> 1759</span>  re10 = reVec[ind10]; im10 = imVec[ind10];</div>
<div class="line"><a name="l01760"></a><span class="lineno"> 1760</span>  re11 = reVec[ind11]; im11 = imVec[ind11];</div>
<div class="line"><a name="l01761"></a><span class="lineno"> 1761</span>  </div>
<div class="line"><a name="l01762"></a><span class="lineno"> 1762</span>  <span class="comment">// apply u * {amp00, amp01, amp10, amp11}</span></div>
<div class="line"><a name="l01763"></a><span class="lineno"> 1763</span>  reVec[ind00] = </div>
<div class="line"><a name="l01764"></a><span class="lineno"> 1764</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="l01765"></a><span class="lineno"> 1765</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="l01766"></a><span class="lineno"> 1766</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="l01767"></a><span class="lineno"> 1767</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="l01768"></a><span class="lineno"> 1768</span>  imVec[ind00] =</div>
<div class="line"><a name="l01769"></a><span class="lineno"> 1769</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="l01770"></a><span class="lineno"> 1770</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="l01771"></a><span class="lineno"> 1771</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="l01772"></a><span class="lineno"> 1772</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="l01773"></a><span class="lineno"> 1773</span>  </div>
<div class="line"><a name="l01774"></a><span class="lineno"> 1774</span>  reVec[ind01] = </div>
<div class="line"><a name="l01775"></a><span class="lineno"> 1775</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="l01776"></a><span class="lineno"> 1776</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="l01777"></a><span class="lineno"> 1777</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="l01778"></a><span class="lineno"> 1778</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="l01779"></a><span class="lineno"> 1779</span>  imVec[ind01] =</div>
<div class="line"><a name="l01780"></a><span class="lineno"> 1780</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="l01781"></a><span class="lineno"> 1781</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="l01782"></a><span class="lineno"> 1782</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="l01783"></a><span class="lineno"> 1783</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="l01784"></a><span class="lineno"> 1784</span>  </div>
<div class="line"><a name="l01785"></a><span class="lineno"> 1785</span>  reVec[ind10] = </div>
<div class="line"><a name="l01786"></a><span class="lineno"> 1786</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="l01787"></a><span class="lineno"> 1787</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="l01788"></a><span class="lineno"> 1788</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="l01789"></a><span class="lineno"> 1789</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="l01790"></a><span class="lineno"> 1790</span>  imVec[ind10] =</div>
<div class="line"><a name="l01791"></a><span class="lineno"> 1791</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="l01792"></a><span class="lineno"> 1792</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="l01793"></a><span class="lineno"> 1793</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="l01794"></a><span class="lineno"> 1794</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="l01795"></a><span class="lineno"> 1795</span>  </div>
<div class="line"><a name="l01796"></a><span class="lineno"> 1796</span>  reVec[ind11] = </div>
<div class="line"><a name="l01797"></a><span class="lineno"> 1797</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="l01798"></a><span class="lineno"> 1798</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="l01799"></a><span class="lineno"> 1799</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="l01800"></a><span class="lineno"> 1800</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="l01801"></a><span class="lineno"> 1801</span>  imVec[ind11] =</div>
<div class="line"><a name="l01802"></a><span class="lineno"> 1802</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="l01803"></a><span class="lineno"> 1803</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="l01804"></a><span class="lineno"> 1804</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="l01805"></a><span class="lineno"> 1805</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="l01806"></a><span class="lineno"> 1806</span>  }</div>
<div class="line"><a name="l01807"></a><span class="lineno"> 1807</span>  }</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"><a class="line" href="QuEST__cpu_8c.html#afa4231f79fe9498e4fd87cc70cde5a9d"> 1810</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="l01811"></a><span class="lineno"> 1811</span>  <span class="keywordflow">return</span> *(<span class="keywordtype">int</span>*)a - *(<span class="keywordtype">int</span>*)b; </div>
<div class="line"><a name="l01812"></a><span class="lineno"> 1812</span> }</div>
<div class="line"><a name="l01813"></a><span class="lineno"> 1813</span>  </div>
<div class="line"><a name="l01814"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#acc5726bc7f899d5fd85454ffcc64f60c"> 1814</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#acc5726bc7f899d5fd85454ffcc64f60c">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="keyword">const</span> <span class="keywordtype">int</span> numTargs, <a class="code" href="structComplexMatrixN.html">ComplexMatrixN</a> u)</div>
<div class="line"><a name="l01815"></a><span class="lineno"> 1815</span> {</div>
<div class="line"><a name="l01816"></a><span class="lineno"> 1816</span>  <span class="comment">// can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l01817"></a><span class="lineno"> 1817</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="l01818"></a><span class="lineno"> 1818</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="l01819"></a><span class="lineno"> 1819</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> 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="l01821"></a><span class="lineno"> 1821</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="l01822"></a><span class="lineno"> 1822</span>  </div>
<div class="line"><a name="l01823"></a><span class="lineno"> 1823</span>  <span class="comment">// the global (between all nodes) index of this node's start index</span></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> 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="l01825"></a><span class="lineno"> 1825</span>  </div>
<div class="line"><a name="l01826"></a><span class="lineno"> 1826</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l01827"></a><span class="lineno"> 1827</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="l01828"></a><span class="lineno"> 1828</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="l01829"></a><span class="lineno"> 1829</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="l01830"></a><span class="lineno"> 1830</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="l01831"></a><span class="lineno"> 1831</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="l01832"></a><span class="lineno"> 1832</span>  </div>
<div class="line"><a name="l01833"></a><span class="lineno"> 1833</span>  <span class="comment">// each thread/task will record and modify numTargAmps amplitudes, privately</span></div>
<div class="line"><a name="l01834"></a><span class="lineno"> 1834</span>  <span class="comment">// (of course, tasks eliminated by the ctrlMask won't edit their allocation)</span></div>
<div class="line"><a name="l01835"></a><span class="lineno"> 1835</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> ampInds[numTargAmps];</div>
<div class="line"><a name="l01836"></a><span class="lineno"> 1836</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> reAmps[numTargAmps];</div>
<div class="line"><a name="l01837"></a><span class="lineno"> 1837</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> imAmps[numTargAmps];</div>
<div class="line"><a name="l01838"></a><span class="lineno"> 1838</span>  </div>
<div class="line"><a name="l01839"></a><span class="lineno"> 1839</span>  <span class="comment">// we need a sorted targets list to find thisInd00 for each task.</span></div>
<div class="line"><a name="l01840"></a><span class="lineno"> 1840</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="l01841"></a><span class="lineno"> 1841</span>  <span class="keywordtype">int</span> sortedTargs[numTargs]; </div>
<div class="line"><a name="l01842"></a><span class="lineno"> 1842</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> t=0; t < numTargs; t++) </div>
<div class="line"><a name="l01843"></a><span class="lineno"> 1843</span>  sortedTargs[t] = targs[t];</div>
<div class="line"><a name="l01844"></a><span class="lineno"> 1844</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="l01845"></a><span class="lineno"> 1845</span>  </div>
<div class="line"><a name="l01846"></a><span class="lineno"> 1846</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01847"></a><span class="lineno"> 1847</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01848"></a><span class="lineno"> 1848</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01849"></a><span class="lineno"> 1849</span> <span class="preprocessor"> shared (reVec,imVec, numTasks,numTargAmps,globalIndStart, ctrlMask,targs,sortedTargs,u) \</span></div>
<div class="line"><a name="l01850"></a><span class="lineno"> 1850</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="l01851"></a><span class="lineno"> 1851</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01852"></a><span class="lineno"> 1852</span>  {</div>
<div class="line"><a name="l01853"></a><span class="lineno"> 1853</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01854"></a><span class="lineno"> 1854</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01855"></a><span class="lineno"> 1855</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01856"></a><span class="lineno"> 1856</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l01857"></a><span class="lineno"> 1857</span>  </div>
<div class="line"><a name="l01858"></a><span class="lineno"> 1858</span>  <span class="comment">// find this task's start index (where all targs are 0)</span></div>
<div class="line"><a name="l01859"></a><span class="lineno"> 1859</span>  thisInd00 = thisTask;</div>
<div class="line"><a name="l01860"></a><span class="lineno"> 1860</span>  <span class="keywordflow">for</span> (t=0; t < numTargs; t++)</div>
<div class="line"><a name="l01861"></a><span class="lineno"> 1861</span>  thisInd00 = <a class="code" href="QuEST__gpu_8cu.html#a4536acc227ff24e63aaf47b2b42e765f">insertZeroBit</a>(thisInd00, sortedTargs[t]);</div>
<div class="line"><a name="l01862"></a><span class="lineno"> 1862</span>  </div>
<div class="line"><a name="l01863"></a><span class="lineno"> 1863</span>  <span class="comment">// this task only modifies amplitudes if control qubits are 1 for this state</span></div>
<div class="line"><a name="l01864"></a><span class="lineno"> 1864</span>  thisGlobalInd00 = thisInd00 + globalIndStart;</div>
<div class="line"><a name="l01865"></a><span class="lineno"> 1865</span>  <span class="keywordflow">if</span> (ctrlMask && ((ctrlMask & thisGlobalInd00) != ctrlMask))</div>
<div class="line"><a name="l01866"></a><span class="lineno"> 1866</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l01867"></a><span class="lineno"> 1867</span>  </div>
<div class="line"><a name="l01868"></a><span class="lineno"> 1868</span>  <span class="comment">// determine the indices and record values of this tasks's target amps</span></div>
<div class="line"><a name="l01869"></a><span class="lineno"> 1869</span>  <span class="keywordflow">for</span> (i=0; i < numTargAmps; i++) {</div>
<div class="line"><a name="l01870"></a><span class="lineno"> 1870</span>  </div>
<div class="line"><a name="l01871"></a><span class="lineno"> 1871</span>  <span class="comment">// get statevec index of current target qubit assignment</span></div>
<div class="line"><a name="l01872"></a><span class="lineno"> 1872</span>  ind = thisInd00;</div>
<div class="line"><a name="l01873"></a><span class="lineno"> 1873</span>  <span class="keywordflow">for</span> (t=0; t < numTargs; t++)</div>
<div class="line"><a name="l01874"></a><span class="lineno"> 1874</span>  <span class="keywordflow">if</span> (<a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a>(t, i))</div>
<div class="line"><a name="l01875"></a><span class="lineno"> 1875</span>  ind = <a class="code" href="QuEST__gpu_8cu.html#a6aea6cf9c06d05a5765ad01311531627">flipBit</a>(ind, targs[t]);</div>
<div class="line"><a name="l01876"></a><span class="lineno"> 1876</span>  </div>
<div class="line"><a name="l01877"></a><span class="lineno"> 1877</span>  <span class="comment">// update this tasks's private arrays</span></div>
<div class="line"><a name="l01878"></a><span class="lineno"> 1878</span>  ampInds[i] = ind;</div>
<div class="line"><a name="l01879"></a><span class="lineno"> 1879</span>  reAmps [i] = reVec[ind];</div>
<div class="line"><a name="l01880"></a><span class="lineno"> 1880</span>  imAmps [i] = imVec[ind];</div>
<div class="line"><a name="l01881"></a><span class="lineno"> 1881</span>  }</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>  <span class="comment">// modify this tasks's target amplitudes</span></div>
<div class="line"><a name="l01884"></a><span class="lineno"> 1884</span>  <span class="keywordflow">for</span> (r=0; r < numTargAmps; r++) {</div>
<div class="line"><a name="l01885"></a><span class="lineno"> 1885</span>  ind = ampInds[r];</div>
<div class="line"><a name="l01886"></a><span class="lineno"> 1886</span>  reVec[ind] = 0;</div>
<div class="line"><a name="l01887"></a><span class="lineno"> 1887</span>  imVec[ind] = 0;</div>
<div class="line"><a name="l01888"></a><span class="lineno"> 1888</span>  </div>
<div class="line"><a name="l01889"></a><span class="lineno"> 1889</span>  <span class="keywordflow">for</span> (c=0; c < numTargAmps; c++) {</div>
<div class="line"><a name="l01890"></a><span class="lineno"> 1890</span>  reElem = u.<a class="code" href="structComplexMatrixN.html#a446e8a077597e4f76049d547df0c9738">real</a>[r][c];</div>
<div class="line"><a name="l01891"></a><span class="lineno"> 1891</span>  imElem = u.<a class="code" href="structComplexMatrixN.html#afde13e469a3b4f179f45e53d1ec0a7cf">imag</a>[r][c];</div>
<div class="line"><a name="l01892"></a><span class="lineno"> 1892</span>  reVec[ind] += reAmps[c]*reElem - imAmps[c]*imElem;</div>
<div class="line"><a name="l01893"></a><span class="lineno"> 1893</span>  imVec[ind] += reAmps[c]*imElem + imAmps[c]*reElem;</div>
<div class="line"><a name="l01894"></a><span class="lineno"> 1894</span>  }</div>
<div class="line"><a name="l01895"></a><span class="lineno"> 1895</span>  }</div>
<div class="line"><a name="l01896"></a><span class="lineno"> 1896</span>  }</div>
<div class="line"><a name="l01897"></a><span class="lineno"> 1897</span>  }</div>
<div class="line"><a name="l01898"></a><span class="lineno"> 1898</span> }</div>
<div class="line"><a name="l01899"></a><span class="lineno"> 1899</span>  </div>
<div class="line"><a name="l01900"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a9f62ff38deae8ef012024d416d749c00"> 1900</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a9f62ff38deae8ef012024d416d749c00">statevec_unitaryLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit, <a class="code" href="structComplexMatrix2.html">ComplexMatrix2</a> u)</div>
<div class="line"><a name="l01901"></a><span class="lineno"> 1901</span> {</div>
<div class="line"><a name="l01902"></a><span class="lineno"> 1902</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l01903"></a><span class="lineno"> 1903</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="l01904"></a><span class="lineno"> 1904</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</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>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l01907"></a><span class="lineno"> 1907</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l01908"></a><span class="lineno"> 1908</span>  <span class="keyword">const</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="l01909"></a><span class="lineno"> 1909</span>  </div>
<div class="line"><a name="l01910"></a><span class="lineno"> 1910</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l01911"></a><span class="lineno"> 1911</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l01912"></a><span class="lineno"> 1912</span>  sizeBlock = 2LL * sizeHalfBlock; </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> *stateVecReal = 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> *stateVecImag = 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="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01919"></a><span class="lineno"> 1919</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01920"></a><span class="lineno"> 1920</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01921"></a><span class="lineno"> 1921</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, u) \</span></div>
<div class="line"><a name="l01922"></a><span class="lineno"> 1922</span> <span class="preprocessor"> private (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,stateRealLo,stateImagLo) </span></div>
<div class="line"><a name="l01923"></a><span class="lineno"> 1923</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01924"></a><span class="lineno"> 1924</span>  {</div>
<div class="line"><a name="l01925"></a><span class="lineno"> 1925</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01926"></a><span class="lineno"> 1926</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01927"></a><span class="lineno"> 1927</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01928"></a><span class="lineno"> 1928</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l01929"></a><span class="lineno"> 1929</span>  </div>
<div class="line"><a name="l01930"></a><span class="lineno"> 1930</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l01931"></a><span class="lineno"> 1931</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l01932"></a><span class="lineno"> 1932</span>  indexLo = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l01933"></a><span class="lineno"> 1933</span>  </div>
<div class="line"><a name="l01934"></a><span class="lineno"> 1934</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l01935"></a><span class="lineno"> 1935</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l01936"></a><span class="lineno"> 1936</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l01937"></a><span class="lineno"> 1937</span>  </div>
<div class="line"><a name="l01938"></a><span class="lineno"> 1938</span>  stateRealLo = stateVecReal[indexLo];</div>
<div class="line"><a name="l01939"></a><span class="lineno"> 1939</span>  stateImagLo = stateVecImag[indexLo];</div>
<div class="line"><a name="l01940"></a><span class="lineno"> 1940</span>  </div>
<div class="line"><a name="l01941"></a><span class="lineno"> 1941</span>  </div>
<div class="line"><a name="l01942"></a><span class="lineno"> 1942</span>  <span class="comment">// state[indexUp] = u00 * state[indexUp] + u01 * state[indexLo]</span></div>
<div class="line"><a name="l01943"></a><span class="lineno"> 1943</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="l01944"></a><span class="lineno"> 1944</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="l01945"></a><span class="lineno"> 1945</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="l01946"></a><span class="lineno"> 1946</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="l01947"></a><span class="lineno"> 1947</span>  </div>
<div class="line"><a name="l01948"></a><span class="lineno"> 1948</span>  <span class="comment">// state[indexLo] = u10 * state[indexUp] + u11 * state[indexLo]</span></div>
<div class="line"><a name="l01949"></a><span class="lineno"> 1949</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="l01950"></a><span class="lineno"> 1950</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="l01951"></a><span class="lineno"> 1951</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="l01952"></a><span class="lineno"> 1952</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="l01953"></a><span class="lineno"> 1953</span>  </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>  }</div>
<div class="line"><a name="l01956"></a><span class="lineno"> 1956</span> } </div>
<div class="line"><a name="l01957"></a><span class="lineno"> 1957</span>  </div>
<div class="line"><a name="l01969"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a0a7a35628b1c1eb47336deb9afda5b68"> 1969</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="l01970"></a><span class="lineno"> 1970</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="l01971"></a><span class="lineno"> 1971</span>  ComplexArray stateVecUp,</div>
<div class="line"><a name="l01972"></a><span class="lineno"> 1972</span>  ComplexArray stateVecLo,</div>
<div class="line"><a name="l01973"></a><span class="lineno"> 1973</span>  ComplexArray stateVecOut)</div>
<div class="line"><a name="l01974"></a><span class="lineno"> 1974</span> {</div>
<div class="line"><a name="l01975"></a><span class="lineno"> 1975</span>  </div>
<div class="line"><a name="l01976"></a><span class="lineno"> 1976</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l01977"></a><span class="lineno"> 1977</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l01978"></a><span class="lineno"> 1978</span>  <span class="keyword">const</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="l01979"></a><span class="lineno"> 1979</span>  </div>
<div class="line"><a name="l01980"></a><span class="lineno"> 1980</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="l01981"></a><span class="lineno"> 1981</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="l01982"></a><span class="lineno"> 1982</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealUp=stateVecUp.real, *stateVecImagUp=stateVecUp.imag;</div>
<div class="line"><a name="l01983"></a><span class="lineno"> 1983</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealLo=stateVecLo.real, *stateVecImagLo=stateVecLo.imag;</div>
<div class="line"><a name="l01984"></a><span class="lineno"> 1984</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l01985"></a><span class="lineno"> 1985</span>  </div>
<div class="line"><a name="l01986"></a><span class="lineno"> 1986</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01987"></a><span class="lineno"> 1987</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l01988"></a><span class="lineno"> 1988</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l01989"></a><span class="lineno"> 1989</span> <span class="preprocessor"> shared (stateVecRealUp,stateVecImagUp,stateVecRealLo,stateVecImagLo,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l01990"></a><span class="lineno"> 1990</span> <span class="preprocessor"> rot1Real,rot1Imag, rot2Real,rot2Imag) \</span></div>
<div class="line"><a name="l01991"></a><span class="lineno"> 1991</span> <span class="preprocessor"> private (thisTask,stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l01992"></a><span class="lineno"> 1992</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01993"></a><span class="lineno"> 1993</span>  {</div>
<div class="line"><a name="l01994"></a><span class="lineno"> 1994</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l01995"></a><span class="lineno"> 1995</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l01996"></a><span class="lineno"> 1996</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l01997"></a><span class="lineno"> 1997</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l01998"></a><span class="lineno"> 1998</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l01999"></a><span class="lineno"> 1999</span>  stateRealUp = stateVecRealUp[thisTask];</div>
<div class="line"><a name="l02000"></a><span class="lineno"> 2000</span>  stateImagUp = stateVecImagUp[thisTask];</div>
<div class="line"><a name="l02001"></a><span class="lineno"> 2001</span>  </div>
<div class="line"><a name="l02002"></a><span class="lineno"> 2002</span>  stateRealLo = stateVecRealLo[thisTask];</div>
<div class="line"><a name="l02003"></a><span class="lineno"> 2003</span>  stateImagLo = stateVecImagLo[thisTask];</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="comment">// state[indexUp] = alpha * state[indexUp] - conj(beta) * state[indexLo]</span></div>
<div class="line"><a name="l02006"></a><span class="lineno"> 2006</span>  stateVecRealOut[thisTask] = rot1Real*stateRealUp - rot1Imag*stateImagUp + rot2Real*stateRealLo + rot2Imag*stateImagLo;</div>
<div class="line"><a name="l02007"></a><span class="lineno"> 2007</span>  stateVecImagOut[thisTask] = rot1Real*stateImagUp + rot1Imag*stateRealUp + rot2Real*stateImagLo - rot2Imag*stateRealLo;</div>
<div class="line"><a name="l02008"></a><span class="lineno"> 2008</span>  }</div>
<div class="line"><a name="l02009"></a><span class="lineno"> 2009</span>  }</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="l02024"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a0ce2c2fd54df25495e99dc5b95bed4b2"> 2024</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="l02025"></a><span class="lineno"> 2025</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="l02026"></a><span class="lineno"> 2026</span>  ComplexArray stateVecUp,</div>
<div class="line"><a name="l02027"></a><span class="lineno"> 2027</span>  ComplexArray stateVecLo,</div>
<div class="line"><a name="l02028"></a><span class="lineno"> 2028</span>  ComplexArray stateVecOut)</div>
<div class="line"><a name="l02029"></a><span class="lineno"> 2029</span> {</div>
<div class="line"><a name="l02030"></a><span class="lineno"> 2030</span>  </div>
<div class="line"><a name="l02031"></a><span class="lineno"> 2031</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02032"></a><span class="lineno"> 2032</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02033"></a><span class="lineno"> 2033</span>  <span class="keyword">const</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="l02034"></a><span class="lineno"> 2034</span>  </div>
<div class="line"><a name="l02035"></a><span class="lineno"> 2035</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="l02036"></a><span class="lineno"> 2036</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="l02037"></a><span class="lineno"> 2037</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealUp=stateVecUp.real, *stateVecImagUp=stateVecUp.imag;</div>
<div class="line"><a name="l02038"></a><span class="lineno"> 2038</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealLo=stateVecLo.real, *stateVecImagLo=stateVecLo.imag;</div>
<div class="line"><a name="l02039"></a><span class="lineno"> 2039</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02040"></a><span class="lineno"> 2040</span>  </div>
<div class="line"><a name="l02041"></a><span class="lineno"> 2041</span>  </div>
<div class="line"><a name="l02042"></a><span class="lineno"> 2042</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02043"></a><span class="lineno"> 2043</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02044"></a><span class="lineno"> 2044</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02045"></a><span class="lineno"> 2045</span> <span class="preprocessor"> shared (stateVecRealUp,stateVecImagUp,stateVecRealLo,stateVecImagLo,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02046"></a><span class="lineno"> 2046</span> <span class="preprocessor"> rot1Real, rot1Imag, rot2Real, rot2Imag) \</span></div>
<div class="line"><a name="l02047"></a><span class="lineno"> 2047</span> <span class="preprocessor"> private (thisTask,stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l02048"></a><span class="lineno"> 2048</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02049"></a><span class="lineno"> 2049</span>  {</div>
<div class="line"><a name="l02050"></a><span class="lineno"> 2050</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02051"></a><span class="lineno"> 2051</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02052"></a><span class="lineno"> 2052</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02053"></a><span class="lineno"> 2053</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02054"></a><span class="lineno"> 2054</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02055"></a><span class="lineno"> 2055</span>  stateRealUp = stateVecRealUp[thisTask];</div>
<div class="line"><a name="l02056"></a><span class="lineno"> 2056</span>  stateImagUp = stateVecImagUp[thisTask];</div>
<div class="line"><a name="l02057"></a><span class="lineno"> 2057</span>  </div>
<div class="line"><a name="l02058"></a><span class="lineno"> 2058</span>  stateRealLo = stateVecRealLo[thisTask];</div>
<div class="line"><a name="l02059"></a><span class="lineno"> 2059</span>  stateImagLo = stateVecImagLo[thisTask];</div>
<div class="line"><a name="l02060"></a><span class="lineno"> 2060</span>  </div>
<div class="line"><a name="l02061"></a><span class="lineno"> 2061</span>  stateVecRealOut[thisTask] = rot1Real*stateRealUp - rot1Imag*stateImagUp </div>
<div class="line"><a name="l02062"></a><span class="lineno"> 2062</span>  + rot2Real*stateRealLo - rot2Imag*stateImagLo;</div>
<div class="line"><a name="l02063"></a><span class="lineno"> 2063</span>  stateVecImagOut[thisTask] = rot1Real*stateImagUp + rot1Imag*stateRealUp </div>
<div class="line"><a name="l02064"></a><span class="lineno"> 2064</span>  + rot2Real*stateImagLo + rot2Imag*stateRealLo;</div>
<div class="line"><a name="l02065"></a><span class="lineno"> 2065</span>  }</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>  </div>
<div class="line"><a name="l02069"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a0e5527c6e144fab8062ea5296e8bdf2a"> 2069</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a0e5527c6e144fab8062ea5296e8bdf2a">statevec_controlledCompactUnitaryLocal</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> controlQubit, <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit, </div>
<div class="line"><a name="l02070"></a><span class="lineno"> 2070</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="l02071"></a><span class="lineno"> 2071</span> {</div>
<div class="line"><a name="l02072"></a><span class="lineno"> 2072</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02073"></a><span class="lineno"> 2073</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="l02074"></a><span class="lineno"> 2074</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02075"></a><span class="lineno"> 2075</span>  </div>
<div class="line"><a name="l02076"></a><span class="lineno"> 2076</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02077"></a><span class="lineno"> 2077</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02078"></a><span class="lineno"> 2078</span>  <span class="keyword">const</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="l02079"></a><span class="lineno"> 2079</span>  <span class="keyword">const</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="l02080"></a><span class="lineno"> 2080</span>  <span class="keyword">const</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="l02081"></a><span class="lineno"> 2081</span>  </div>
<div class="line"><a name="l02082"></a><span class="lineno"> 2082</span>  <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02083"></a><span class="lineno"> 2083</span>  </div>
<div class="line"><a name="l02084"></a><span class="lineno"> 2084</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02085"></a><span class="lineno"> 2085</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l02086"></a><span class="lineno"> 2086</span>  sizeBlock = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02087"></a><span class="lineno"> 2087</span>  </div>
<div class="line"><a name="l02088"></a><span class="lineno"> 2088</span>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02089"></a><span class="lineno"> 2089</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="l02090"></a><span class="lineno"> 2090</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="l02091"></a><span class="lineno"> 2091</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="l02092"></a><span class="lineno"> 2092</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="l02093"></a><span class="lineno"> 2093</span>  </div>
<div class="line"><a name="l02094"></a><span class="lineno"> 2094</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02095"></a><span class="lineno"> 2095</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02096"></a><span class="lineno"> 2096</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02097"></a><span class="lineno"> 2097</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, alphaReal,alphaImag, betaReal,betaImag) \</span></div>
<div class="line"><a name="l02098"></a><span class="lineno"> 2098</span> <span class="preprocessor"> private (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,stateRealLo,stateImagLo,controlBit) </span></div>
<div class="line"><a name="l02099"></a><span class="lineno"> 2099</span> <span class="preprocessor"># endif</span></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> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02102"></a><span class="lineno"> 2102</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02103"></a><span class="lineno"> 2103</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02104"></a><span class="lineno"> 2104</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</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>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02107"></a><span class="lineno"> 2107</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02108"></a><span class="lineno"> 2108</span>  indexLo = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02109"></a><span class="lineno"> 2109</span>  </div>
<div class="line"><a name="l02110"></a><span class="lineno"> 2110</span>  controlBit = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a> (controlQubit, indexUp+chunkId*chunkSize);</div>
<div class="line"><a name="l02111"></a><span class="lineno"> 2111</span>  <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02112"></a><span class="lineno"> 2112</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02113"></a><span class="lineno"> 2113</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02114"></a><span class="lineno"> 2114</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02115"></a><span class="lineno"> 2115</span>  </div>
<div class="line"><a name="l02116"></a><span class="lineno"> 2116</span>  stateRealLo = stateVecReal[indexLo];</div>
<div class="line"><a name="l02117"></a><span class="lineno"> 2117</span>  stateImagLo = stateVecImag[indexLo];</div>
<div class="line"><a name="l02118"></a><span class="lineno"> 2118</span>  </div>
<div class="line"><a name="l02119"></a><span class="lineno"> 2119</span>  <span class="comment">// state[indexUp] = alpha * state[indexUp] - conj(beta) * state[indexLo]</span></div>
<div class="line"><a name="l02120"></a><span class="lineno"> 2120</span>  stateVecReal[indexUp] = alphaReal*stateRealUp - alphaImag*stateImagUp </div>
<div class="line"><a name="l02121"></a><span class="lineno"> 2121</span>  - betaReal*stateRealLo - betaImag*stateImagLo;</div>
<div class="line"><a name="l02122"></a><span class="lineno"> 2122</span>  stateVecImag[indexUp] = alphaReal*stateImagUp + alphaImag*stateRealUp </div>
<div class="line"><a name="l02123"></a><span class="lineno"> 2123</span>  - betaReal*stateImagLo + betaImag*stateRealLo;</div>
<div class="line"><a name="l02124"></a><span class="lineno"> 2124</span>  </div>
<div class="line"><a name="l02125"></a><span class="lineno"> 2125</span>  <span class="comment">// state[indexLo] = beta * state[indexUp] + conj(alpha) * state[indexLo]</span></div>
<div class="line"><a name="l02126"></a><span class="lineno"> 2126</span>  stateVecReal[indexLo] = betaReal*stateRealUp - betaImag*stateImagUp </div>
<div class="line"><a name="l02127"></a><span class="lineno"> 2127</span>  + alphaReal*stateRealLo + alphaImag*stateImagLo;</div>
<div class="line"><a name="l02128"></a><span class="lineno"> 2128</span>  stateVecImag[indexLo] = betaReal*stateImagUp + betaImag*stateRealUp </div>
<div class="line"><a name="l02129"></a><span class="lineno"> 2129</span>  + alphaReal*stateImagLo - alphaImag*stateRealLo;</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>  } </div>
<div class="line"><a name="l02132"></a><span class="lineno"> 2132</span>  }</div>
<div class="line"><a name="l02133"></a><span class="lineno"> 2133</span>  </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> <span class="comment">/* ctrlQubitsMask is a bit mask indicating which qubits are control Qubits</span></div>
<div class="line"><a name="l02137"></a><span class="lineno"> 2137</span> <span class="comment"> * ctrlFlipMask is a bit mask indicating which control qubits should be 'flipped'</span></div>
<div class="line"><a name="l02138"></a><span class="lineno"> 2138</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="l02139"></a><span class="lineno"> 2139</span> <span class="comment"> */</span></div>
<div class="line"><a name="l02140"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ae757d3b816aa7ba7bea13334a9b77441"> 2140</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ae757d3b816aa7ba7bea13334a9b77441">statevec_multiControlledUnitaryLocal</a>(</div>
<div class="line"><a name="l02141"></a><span class="lineno"> 2141</span>  <a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit, </div>
<div class="line"><a name="l02142"></a><span class="lineno"> 2142</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="l02143"></a><span class="lineno"> 2143</span>  <a class="code" href="structComplexMatrix2.html">ComplexMatrix2</a> u)</div>
<div class="line"><a name="l02144"></a><span class="lineno"> 2144</span> {</div>
<div class="line"><a name="l02145"></a><span class="lineno"> 2145</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02146"></a><span class="lineno"> 2146</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="l02147"></a><span class="lineno"> 2147</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02148"></a><span class="lineno"> 2148</span>  </div>
<div class="line"><a name="l02149"></a><span class="lineno"> 2149</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02150"></a><span class="lineno"> 2150</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02151"></a><span class="lineno"> 2151</span>  <span class="keyword">const</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="l02152"></a><span class="lineno"> 2152</span>  <span class="keyword">const</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="l02153"></a><span class="lineno"> 2153</span>  <span class="keyword">const</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="l02154"></a><span class="lineno"> 2154</span>  </div>
<div class="line"><a name="l02155"></a><span class="lineno"> 2155</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02156"></a><span class="lineno"> 2156</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l02157"></a><span class="lineno"> 2157</span>  sizeBlock = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02158"></a><span class="lineno"> 2158</span>  </div>
<div class="line"><a name="l02159"></a><span class="lineno"> 2159</span>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02160"></a><span class="lineno"> 2160</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="l02161"></a><span class="lineno"> 2161</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="l02162"></a><span class="lineno"> 2162</span>  </div>
<div class="line"><a name="l02163"></a><span class="lineno"> 2163</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02164"></a><span class="lineno"> 2164</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02165"></a><span class="lineno"> 2165</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02166"></a><span class="lineno"> 2166</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, u, ctrlQubitsMask,ctrlFlipMask) \</span></div>
<div class="line"><a name="l02167"></a><span class="lineno"> 2167</span> <span class="preprocessor"> private (thisTask,thisBlock, indexUp,indexLo, stateRealUp,stateImagUp,stateRealLo,stateImagLo) </span></div>
<div class="line"><a name="l02168"></a><span class="lineno"> 2168</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02169"></a><span class="lineno"> 2169</span>  {</div>
<div class="line"><a name="l02170"></a><span class="lineno"> 2170</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02171"></a><span class="lineno"> 2171</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02172"></a><span class="lineno"> 2172</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02173"></a><span class="lineno"> 2173</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02174"></a><span class="lineno"> 2174</span>  </div>
<div class="line"><a name="l02175"></a><span class="lineno"> 2175</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02176"></a><span class="lineno"> 2176</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02177"></a><span class="lineno"> 2177</span>  indexLo = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02178"></a><span class="lineno"> 2178</span>  </div>
<div class="line"><a name="l02179"></a><span class="lineno"> 2179</span>  </div>
<div class="line"><a name="l02180"></a><span class="lineno"> 2180</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="l02181"></a><span class="lineno"> 2181</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="l02182"></a><span class="lineno"> 2182</span>  <span class="keywordflow">if</span> (ctrlQubitsMask == (ctrlQubitsMask & ((indexUp+chunkId*chunkSize) ^ ctrlFlipMask))) {</div>
<div class="line"><a name="l02183"></a><span class="lineno"> 2183</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02184"></a><span class="lineno"> 2184</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02185"></a><span class="lineno"> 2185</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02186"></a><span class="lineno"> 2186</span>  </div>
<div class="line"><a name="l02187"></a><span class="lineno"> 2187</span>  stateRealLo = stateVecReal[indexLo];</div>
<div class="line"><a name="l02188"></a><span class="lineno"> 2188</span>  stateImagLo = stateVecImag[indexLo];</div>
<div class="line"><a name="l02189"></a><span class="lineno"> 2189</span>  </div>
<div class="line"><a name="l02190"></a><span class="lineno"> 2190</span>  <span class="comment">// state[indexUp] = u00 * state[indexUp] + u01 * state[indexLo]</span></div>
<div class="line"><a name="l02191"></a><span class="lineno"> 2191</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="l02192"></a><span class="lineno"> 2192</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="l02193"></a><span class="lineno"> 2193</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="l02194"></a><span class="lineno"> 2194</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="l02195"></a><span class="lineno"> 2195</span>  </div>
<div class="line"><a name="l02196"></a><span class="lineno"> 2196</span>  <span class="comment">// state[indexLo] = u10 * state[indexUp] + u11 * state[indexLo]</span></div>
<div class="line"><a name="l02197"></a><span class="lineno"> 2197</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="l02198"></a><span class="lineno"> 2198</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="l02199"></a><span class="lineno"> 2199</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="l02200"></a><span class="lineno"> 2200</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="l02201"></a><span class="lineno"> 2201</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>  }</div>
<div class="line"><a name="l02204"></a><span class="lineno"> 2204</span>  </div>
<div class="line"><a name="l02205"></a><span class="lineno"> 2205</span> }</div>
<div class="line"><a name="l02206"></a><span class="lineno"> 2206</span>  </div>
<div class="line"><a name="l02207"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ac0c120ac374b402c576c4b38bcda9992"> 2207</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ac0c120ac374b402c576c4b38bcda9992">statevec_controlledUnitaryLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> controlQubit, <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit, </div>
<div class="line"><a name="l02208"></a><span class="lineno"> 2208</span>  <a class="code" href="structComplexMatrix2.html">ComplexMatrix2</a> u)</div>
<div class="line"><a name="l02209"></a><span class="lineno"> 2209</span> {</div>
<div class="line"><a name="l02210"></a><span class="lineno"> 2210</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02211"></a><span class="lineno"> 2211</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="l02212"></a><span class="lineno"> 2212</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02213"></a><span class="lineno"> 2213</span>  </div>
<div class="line"><a name="l02214"></a><span class="lineno"> 2214</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02215"></a><span class="lineno"> 2215</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02216"></a><span class="lineno"> 2216</span>  <span class="keyword">const</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="l02217"></a><span class="lineno"> 2217</span>  <span class="keyword">const</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="l02218"></a><span class="lineno"> 2218</span>  <span class="keyword">const</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="l02219"></a><span class="lineno"> 2219</span>  </div>
<div class="line"><a name="l02220"></a><span class="lineno"> 2220</span>  <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02221"></a><span class="lineno"> 2221</span>  </div>
<div class="line"><a name="l02222"></a><span class="lineno"> 2222</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02223"></a><span class="lineno"> 2223</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l02224"></a><span class="lineno"> 2224</span>  sizeBlock = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02225"></a><span class="lineno"> 2225</span>  </div>
<div class="line"><a name="l02226"></a><span class="lineno"> 2226</span>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02227"></a><span class="lineno"> 2227</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="l02228"></a><span class="lineno"> 2228</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="l02229"></a><span class="lineno"> 2229</span>  </div>
<div class="line"><a name="l02230"></a><span class="lineno"> 2230</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02231"></a><span class="lineno"> 2231</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02232"></a><span class="lineno"> 2232</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02233"></a><span class="lineno"> 2233</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, u) \</span></div>
<div class="line"><a name="l02234"></a><span class="lineno"> 2234</span> <span class="preprocessor"> private (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,stateRealLo,stateImagLo,controlBit) </span></div>
<div class="line"><a name="l02235"></a><span class="lineno"> 2235</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02236"></a><span class="lineno"> 2236</span>  {</div>
<div class="line"><a name="l02237"></a><span class="lineno"> 2237</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02238"></a><span class="lineno"> 2238</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02239"></a><span class="lineno"> 2239</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02240"></a><span class="lineno"> 2240</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02241"></a><span class="lineno"> 2241</span>  </div>
<div class="line"><a name="l02242"></a><span class="lineno"> 2242</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02243"></a><span class="lineno"> 2243</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02244"></a><span class="lineno"> 2244</span>  indexLo = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02245"></a><span class="lineno"> 2245</span>  </div>
<div class="line"><a name="l02246"></a><span class="lineno"> 2246</span>  controlBit = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a> (controlQubit, indexUp+chunkId*chunkSize);</div>
<div class="line"><a name="l02247"></a><span class="lineno"> 2247</span>  <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02248"></a><span class="lineno"> 2248</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02249"></a><span class="lineno"> 2249</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02250"></a><span class="lineno"> 2250</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02251"></a><span class="lineno"> 2251</span>  </div>
<div class="line"><a name="l02252"></a><span class="lineno"> 2252</span>  stateRealLo = stateVecReal[indexLo];</div>
<div class="line"><a name="l02253"></a><span class="lineno"> 2253</span>  stateImagLo = stateVecImag[indexLo];</div>
<div class="line"><a name="l02254"></a><span class="lineno"> 2254</span>  </div>
<div class="line"><a name="l02255"></a><span class="lineno"> 2255</span>  </div>
<div class="line"><a name="l02256"></a><span class="lineno"> 2256</span>  <span class="comment">// state[indexUp] = u00 * state[indexUp] + u01 * state[indexLo]</span></div>
<div class="line"><a name="l02257"></a><span class="lineno"> 2257</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="l02258"></a><span class="lineno"> 2258</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="l02259"></a><span class="lineno"> 2259</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="l02260"></a><span class="lineno"> 2260</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="l02261"></a><span class="lineno"> 2261</span>  </div>
<div class="line"><a name="l02262"></a><span class="lineno"> 2262</span>  <span class="comment">// state[indexLo] = u10 * state[indexUp] + u11 * state[indexLo]</span></div>
<div class="line"><a name="l02263"></a><span class="lineno"> 2263</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="l02264"></a><span class="lineno"> 2264</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="l02265"></a><span class="lineno"> 2265</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="l02266"></a><span class="lineno"> 2266</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="l02267"></a><span class="lineno"> 2267</span>  }</div>
<div class="line"><a name="l02268"></a><span class="lineno"> 2268</span>  } </div>
<div class="line"><a name="l02269"></a><span class="lineno"> 2269</span>  }</div>
<div class="line"><a name="l02270"></a><span class="lineno"> 2270</span>  </div>
<div class="line"><a name="l02271"></a><span class="lineno"> 2271</span> }</div>
<div class="line"><a name="l02272"></a><span class="lineno"> 2272</span>  </div>
<div class="line"><a name="l02285"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a230eea38971f36de8f5437b1f47aaf3e"> 2285</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a230eea38971f36de8f5437b1f47aaf3e">statevec_controlledCompactUnitaryDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> controlQubit,</div>
<div class="line"><a name="l02286"></a><span class="lineno"> 2286</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="l02287"></a><span class="lineno"> 2287</span>  ComplexArray stateVecUp,</div>
<div class="line"><a name="l02288"></a><span class="lineno"> 2288</span>  ComplexArray stateVecLo,</div>
<div class="line"><a name="l02289"></a><span class="lineno"> 2289</span>  ComplexArray stateVecOut)</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>  </div>
<div class="line"><a name="l02292"></a><span class="lineno"> 2292</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02293"></a><span class="lineno"> 2293</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02294"></a><span class="lineno"> 2294</span>  <span class="keyword">const</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="l02295"></a><span class="lineno"> 2295</span>  <span class="keyword">const</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="l02296"></a><span class="lineno"> 2296</span>  <span class="keyword">const</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="l02297"></a><span class="lineno"> 2297</span>  </div>
<div class="line"><a name="l02298"></a><span class="lineno"> 2298</span>  <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02299"></a><span class="lineno"> 2299</span>  </div>
<div class="line"><a name="l02300"></a><span class="lineno"> 2300</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="l02301"></a><span class="lineno"> 2301</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="l02302"></a><span class="lineno"> 2302</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealUp=stateVecUp.real, *stateVecImagUp=stateVecUp.imag;</div>
<div class="line"><a name="l02303"></a><span class="lineno"> 2303</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealLo=stateVecLo.real, *stateVecImagLo=stateVecLo.imag;</div>
<div class="line"><a name="l02304"></a><span class="lineno"> 2304</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02305"></a><span class="lineno"> 2305</span>  </div>
<div class="line"><a name="l02306"></a><span class="lineno"> 2306</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02307"></a><span class="lineno"> 2307</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02308"></a><span class="lineno"> 2308</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02309"></a><span class="lineno"> 2309</span> <span class="preprocessor"> shared (stateVecRealUp,stateVecImagUp,stateVecRealLo,stateVecImagLo,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02310"></a><span class="lineno"> 2310</span> <span class="preprocessor"> rot1Real,rot1Imag, rot2Real,rot2Imag) \</span></div>
<div class="line"><a name="l02311"></a><span class="lineno"> 2311</span> <span class="preprocessor"> private (thisTask,stateRealUp,stateImagUp,stateRealLo,stateImagLo,controlBit)</span></div>
<div class="line"><a name="l02312"></a><span class="lineno"> 2312</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02313"></a><span class="lineno"> 2313</span>  {</div>
<div class="line"><a name="l02314"></a><span class="lineno"> 2314</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02315"></a><span class="lineno"> 2315</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02316"></a><span class="lineno"> 2316</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02317"></a><span class="lineno"> 2317</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02318"></a><span class="lineno"> 2318</span>  controlBit = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a> (controlQubit, thisTask+chunkId*chunkSize);</div>
<div class="line"><a name="l02319"></a><span class="lineno"> 2319</span>  <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02320"></a><span class="lineno"> 2320</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02321"></a><span class="lineno"> 2321</span>  stateRealUp = stateVecRealUp[thisTask];</div>
<div class="line"><a name="l02322"></a><span class="lineno"> 2322</span>  stateImagUp = stateVecImagUp[thisTask];</div>
<div class="line"><a name="l02323"></a><span class="lineno"> 2323</span>  </div>
<div class="line"><a name="l02324"></a><span class="lineno"> 2324</span>  stateRealLo = stateVecRealLo[thisTask];</div>
<div class="line"><a name="l02325"></a><span class="lineno"> 2325</span>  stateImagLo = stateVecImagLo[thisTask];</div>
<div class="line"><a name="l02326"></a><span class="lineno"> 2326</span>  </div>
<div class="line"><a name="l02327"></a><span class="lineno"> 2327</span>  <span class="comment">// state[indexUp] = alpha * state[indexUp] - conj(beta) * state[indexLo]</span></div>
<div class="line"><a name="l02328"></a><span class="lineno"> 2328</span>  stateVecRealOut[thisTask] = rot1Real*stateRealUp - rot1Imag*stateImagUp + rot2Real*stateRealLo + rot2Imag*stateImagLo;</div>
<div class="line"><a name="l02329"></a><span class="lineno"> 2329</span>  stateVecImagOut[thisTask] = rot1Real*stateImagUp + rot1Imag*stateRealUp + rot2Real*stateImagLo - rot2Imag*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="l02347"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ab14681cbcc8f530333a9570328886b32"> 2347</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#ab14681cbcc8f530333a9570328886b32">statevec_controlledUnitaryDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> controlQubit,</div>
<div class="line"><a name="l02348"></a><span class="lineno"> 2348</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="l02349"></a><span class="lineno"> 2349</span>  ComplexArray stateVecUp,</div>
<div class="line"><a name="l02350"></a><span class="lineno"> 2350</span>  ComplexArray stateVecLo,</div>
<div class="line"><a name="l02351"></a><span class="lineno"> 2351</span>  ComplexArray stateVecOut)</div>
<div class="line"><a name="l02352"></a><span class="lineno"> 2352</span> {</div>
<div class="line"><a name="l02353"></a><span class="lineno"> 2353</span>  </div>
<div class="line"><a name="l02354"></a><span class="lineno"> 2354</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02355"></a><span class="lineno"> 2355</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02356"></a><span class="lineno"> 2356</span>  <span class="keyword">const</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="l02357"></a><span class="lineno"> 2357</span>  <span class="keyword">const</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="l02358"></a><span class="lineno"> 2358</span>  <span class="keyword">const</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="l02359"></a><span class="lineno"> 2359</span>  </div>
<div class="line"><a name="l02360"></a><span class="lineno"> 2360</span>  <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02361"></a><span class="lineno"> 2361</span>  </div>
<div class="line"><a name="l02362"></a><span class="lineno"> 2362</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="l02363"></a><span class="lineno"> 2363</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="l02364"></a><span class="lineno"> 2364</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealUp=stateVecUp.real, *stateVecImagUp=stateVecUp.imag;</div>
<div class="line"><a name="l02365"></a><span class="lineno"> 2365</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealLo=stateVecLo.real, *stateVecImagLo=stateVecLo.imag;</div>
<div class="line"><a name="l02366"></a><span class="lineno"> 2366</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02367"></a><span class="lineno"> 2367</span>  </div>
<div class="line"><a name="l02368"></a><span class="lineno"> 2368</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02369"></a><span class="lineno"> 2369</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02370"></a><span class="lineno"> 2370</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02371"></a><span class="lineno"> 2371</span> <span class="preprocessor"> shared (stateVecRealUp,stateVecImagUp,stateVecRealLo,stateVecImagLo,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02372"></a><span class="lineno"> 2372</span> <span class="preprocessor"> rot1Real,rot1Imag, rot2Real,rot2Imag) \</span></div>
<div class="line"><a name="l02373"></a><span class="lineno"> 2373</span> <span class="preprocessor"> private (thisTask,stateRealUp,stateImagUp,stateRealLo,stateImagLo,controlBit)</span></div>
<div class="line"><a name="l02374"></a><span class="lineno"> 2374</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02375"></a><span class="lineno"> 2375</span>  {</div>
<div class="line"><a name="l02376"></a><span class="lineno"> 2376</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02377"></a><span class="lineno"> 2377</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02378"></a><span class="lineno"> 2378</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02379"></a><span class="lineno"> 2379</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02380"></a><span class="lineno"> 2380</span>  controlBit = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a> (controlQubit, thisTask+chunkId*chunkSize);</div>
<div class="line"><a name="l02381"></a><span class="lineno"> 2381</span>  <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02382"></a><span class="lineno"> 2382</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02383"></a><span class="lineno"> 2383</span>  stateRealUp = stateVecRealUp[thisTask];</div>
<div class="line"><a name="l02384"></a><span class="lineno"> 2384</span>  stateImagUp = stateVecImagUp[thisTask];</div>
<div class="line"><a name="l02385"></a><span class="lineno"> 2385</span>  </div>
<div class="line"><a name="l02386"></a><span class="lineno"> 2386</span>  stateRealLo = stateVecRealLo[thisTask];</div>
<div class="line"><a name="l02387"></a><span class="lineno"> 2387</span>  stateImagLo = stateVecImagLo[thisTask];</div>
<div class="line"><a name="l02388"></a><span class="lineno"> 2388</span>  </div>
<div class="line"><a name="l02389"></a><span class="lineno"> 2389</span>  stateVecRealOut[thisTask] = rot1Real*stateRealUp - rot1Imag*stateImagUp </div>
<div class="line"><a name="l02390"></a><span class="lineno"> 2390</span>  + rot2Real*stateRealLo - rot2Imag*stateImagLo;</div>
<div class="line"><a name="l02391"></a><span class="lineno"> 2391</span>  stateVecImagOut[thisTask] = rot1Real*stateImagUp + rot1Imag*stateRealUp </div>
<div class="line"><a name="l02392"></a><span class="lineno"> 2392</span>  + rot2Real*stateImagLo + rot2Imag*stateRealLo;</div>
<div class="line"><a name="l02393"></a><span class="lineno"> 2393</span>  }</div>
<div class="line"><a name="l02394"></a><span class="lineno"> 2394</span>  }</div>
<div class="line"><a name="l02395"></a><span class="lineno"> 2395</span>  }</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="l02413"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a623e5479f5dd45e87fe2acef55620771"> 2413</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a623e5479f5dd45e87fe2acef55620771">statevec_multiControlledUnitaryDistributed</a> (</div>
<div class="line"><a name="l02414"></a><span class="lineno"> 2414</span>  <a class="code" href="structQureg.html">Qureg</a> qureg, </div>
<div class="line"><a name="l02415"></a><span class="lineno"> 2415</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit, </div>
<div class="line"><a name="l02416"></a><span class="lineno"> 2416</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="l02417"></a><span class="lineno"> 2417</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="l02418"></a><span class="lineno"> 2418</span>  ComplexArray stateVecUp,</div>
<div class="line"><a name="l02419"></a><span class="lineno"> 2419</span>  ComplexArray stateVecLo,</div>
<div class="line"><a name="l02420"></a><span class="lineno"> 2420</span>  ComplexArray stateVecOut)</div>
<div class="line"><a name="l02421"></a><span class="lineno"> 2421</span> {</div>
<div class="line"><a name="l02422"></a><span class="lineno"> 2422</span>  </div>
<div class="line"><a name="l02423"></a><span class="lineno"> 2423</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</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> thisTask; </div>
<div class="line"><a name="l02425"></a><span class="lineno"> 2425</span>  <span class="keyword">const</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="l02426"></a><span class="lineno"> 2426</span>  <span class="keyword">const</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="l02427"></a><span class="lineno"> 2427</span>  <span class="keyword">const</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="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, ctrlQubitsMask,ctrlFlipMask) \</span></div>
<div class="line"><a name="l02440"></a><span class="lineno"> 2440</span> <span class="preprocessor"> private (thisTask,stateRealUp,stateImagUp,stateRealLo,stateImagLo)</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>  <span class="keywordflow">if</span> (ctrlQubitsMask == (ctrlQubitsMask & ((thisTask+chunkId*chunkSize) ^ ctrlFlipMask))) {</div>
<div class="line"><a name="l02448"></a><span class="lineno"> 2448</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02449"></a><span class="lineno"> 2449</span>  stateRealUp = stateVecRealUp[thisTask];</div>
<div class="line"><a name="l02450"></a><span class="lineno"> 2450</span>  stateImagUp = stateVecImagUp[thisTask];</div>
<div class="line"><a name="l02451"></a><span class="lineno"> 2451</span>  </div>
<div class="line"><a name="l02452"></a><span class="lineno"> 2452</span>  stateRealLo = stateVecRealLo[thisTask];</div>
<div class="line"><a name="l02453"></a><span class="lineno"> 2453</span>  stateImagLo = stateVecImagLo[thisTask];</div>
<div class="line"><a name="l02454"></a><span class="lineno"> 2454</span>  </div>
<div class="line"><a name="l02455"></a><span class="lineno"> 2455</span>  stateVecRealOut[thisTask] = rot1Real*stateRealUp - rot1Imag*stateImagUp </div>
<div class="line"><a name="l02456"></a><span class="lineno"> 2456</span>  + rot2Real*stateRealLo - rot2Imag*stateImagLo;</div>
<div class="line"><a name="l02457"></a><span class="lineno"> 2457</span>  stateVecImagOut[thisTask] = rot1Real*stateImagUp + rot1Imag*stateRealUp </div>
<div class="line"><a name="l02458"></a><span class="lineno"> 2458</span>  + 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="l02464"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a842aaecd6d6cdc194c0b7c84623d2111"> 2464</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a842aaecd6d6cdc194c0b7c84623d2111">statevec_pauliXLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit)</div>
<div class="line"><a name="l02465"></a><span class="lineno"> 2465</span> {</div>
<div class="line"><a name="l02466"></a><span class="lineno"> 2466</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02467"></a><span class="lineno"> 2467</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="l02468"></a><span class="lineno"> 2468</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02469"></a><span class="lineno"> 2469</span>  </div>
<div class="line"><a name="l02470"></a><span class="lineno"> 2470</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateImagUp;</div>
<div class="line"><a name="l02471"></a><span class="lineno"> 2471</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02472"></a><span class="lineno"> 2472</span>  <span class="keyword">const</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="l02473"></a><span class="lineno"> 2473</span>  </div>
<div class="line"><a name="l02474"></a><span class="lineno"> 2474</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02475"></a><span class="lineno"> 2475</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l02476"></a><span class="lineno"> 2476</span>  sizeBlock = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02477"></a><span class="lineno"> 2477</span>  </div>
<div class="line"><a name="l02478"></a><span class="lineno"> 2478</span>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02479"></a><span class="lineno"> 2479</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="l02480"></a><span class="lineno"> 2480</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="l02481"></a><span class="lineno"> 2481</span>  </div>
<div class="line"><a name="l02482"></a><span class="lineno"> 2482</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02483"></a><span class="lineno"> 2483</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02484"></a><span class="lineno"> 2484</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02485"></a><span class="lineno"> 2485</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag) \</span></div>
<div class="line"><a name="l02486"></a><span class="lineno"> 2486</span> <span class="preprocessor"> private (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp) </span></div>
<div class="line"><a name="l02487"></a><span class="lineno"> 2487</span> <span class="preprocessor"># endif</span></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="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02490"></a><span class="lineno"> 2490</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02491"></a><span class="lineno"> 2491</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02492"></a><span class="lineno"> 2492</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02493"></a><span class="lineno"> 2493</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02494"></a><span class="lineno"> 2494</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02495"></a><span class="lineno"> 2495</span>  indexLo = indexUp + sizeHalfBlock;</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>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02498"></a><span class="lineno"> 2498</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02499"></a><span class="lineno"> 2499</span>  </div>
<div class="line"><a name="l02500"></a><span class="lineno"> 2500</span>  stateVecReal[indexUp] = stateVecReal[indexLo];</div>
<div class="line"><a name="l02501"></a><span class="lineno"> 2501</span>  stateVecImag[indexUp] = stateVecImag[indexLo];</div>
<div class="line"><a name="l02502"></a><span class="lineno"> 2502</span>  </div>
<div class="line"><a name="l02503"></a><span class="lineno"> 2503</span>  stateVecReal[indexLo] = stateRealUp;</div>
<div class="line"><a name="l02504"></a><span class="lineno"> 2504</span>  stateVecImag[indexLo] = stateImagUp;</div>
<div class="line"><a name="l02505"></a><span class="lineno"> 2505</span>  } </div>
<div class="line"><a name="l02506"></a><span class="lineno"> 2506</span>  }</div>
<div class="line"><a name="l02507"></a><span class="lineno"> 2507</span>  </div>
<div class="line"><a name="l02508"></a><span class="lineno"> 2508</span> }</div>
<div class="line"><a name="l02509"></a><span class="lineno"> 2509</span>  </div>
<div class="line"><a name="l02522"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a464efbd1d7ca5a7b25c83ada001955c2"> 2522</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="l02523"></a><span class="lineno"> 2523</span>  ComplexArray stateVecIn,</div>
<div class="line"><a name="l02524"></a><span class="lineno"> 2524</span>  ComplexArray stateVecOut)</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="l02527"></a><span class="lineno"> 2527</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02528"></a><span class="lineno"> 2528</span>  <span class="keyword">const</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="l02529"></a><span class="lineno"> 2529</span>  </div>
<div class="line"><a name="l02530"></a><span class="lineno"> 2530</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealIn=stateVecIn.real, *stateVecImagIn=stateVecIn.imag;</div>
<div class="line"><a name="l02531"></a><span class="lineno"> 2531</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02532"></a><span class="lineno"> 2532</span>  </div>
<div class="line"><a name="l02533"></a><span class="lineno"> 2533</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02534"></a><span class="lineno"> 2534</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02535"></a><span class="lineno"> 2535</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02536"></a><span class="lineno"> 2536</span> <span class="preprocessor"> shared (stateVecRealIn,stateVecImagIn,stateVecRealOut,stateVecImagOut) \</span></div>
<div class="line"><a name="l02537"></a><span class="lineno"> 2537</span> <span class="preprocessor"> private (thisTask)</span></div>
<div class="line"><a name="l02538"></a><span class="lineno"> 2538</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02539"></a><span class="lineno"> 2539</span>  {</div>
<div class="line"><a name="l02540"></a><span class="lineno"> 2540</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02541"></a><span class="lineno"> 2541</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02542"></a><span class="lineno"> 2542</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02543"></a><span class="lineno"> 2543</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02544"></a><span class="lineno"> 2544</span>  stateVecRealOut[thisTask] = stateVecRealIn[thisTask];</div>
<div class="line"><a name="l02545"></a><span class="lineno"> 2545</span>  stateVecImagOut[thisTask] = stateVecImagIn[thisTask];</div>
<div class="line"><a name="l02546"></a><span class="lineno"> 2546</span>  }</div>
<div class="line"><a name="l02547"></a><span class="lineno"> 2547</span>  }</div>
<div class="line"><a name="l02548"></a><span class="lineno"> 2548</span> } </div>
<div class="line"><a name="l02549"></a><span class="lineno"> 2549</span>  </div>
<div class="line"><a name="l02550"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a11c9685e4ad1f44cfd6243e0c4435893"> 2550</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a11c9685e4ad1f44cfd6243e0c4435893">statevec_controlledNotLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> controlQubit, <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit)</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>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</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> thisBlock, <span class="comment">// current block</span></div>
<div class="line"><a name="l02554"></a><span class="lineno"> 2554</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02555"></a><span class="lineno"> 2555</span>  </div>
<div class="line"><a name="l02556"></a><span class="lineno"> 2556</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateImagUp;</div>
<div class="line"><a name="l02557"></a><span class="lineno"> 2557</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02558"></a><span class="lineno"> 2558</span>  <span class="keyword">const</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="l02559"></a><span class="lineno"> 2559</span>  <span class="keyword">const</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="l02560"></a><span class="lineno"> 2560</span>  <span class="keyword">const</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="l02561"></a><span class="lineno"> 2561</span>  </div>
<div class="line"><a name="l02562"></a><span class="lineno"> 2562</span>  <span class="keywordtype">int</span> controlBit;</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="comment">// set dimensions</span></div>
<div class="line"><a name="l02565"></a><span class="lineno"> 2565</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l02566"></a><span class="lineno"> 2566</span>  sizeBlock = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02567"></a><span class="lineno"> 2567</span>  </div>
<div class="line"><a name="l02568"></a><span class="lineno"> 2568</span>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02569"></a><span class="lineno"> 2569</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="l02570"></a><span class="lineno"> 2570</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="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 parallel \</span></div>
<div class="line"><a name="l02574"></a><span class="lineno"> 2574</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02575"></a><span class="lineno"> 2575</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag) \</span></div>
<div class="line"><a name="l02576"></a><span class="lineno"> 2576</span> <span class="preprocessor"> private (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,controlBit) </span></div>
<div class="line"><a name="l02577"></a><span class="lineno"> 2577</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02578"></a><span class="lineno"> 2578</span>  {</div>
<div class="line"><a name="l02579"></a><span class="lineno"> 2579</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02580"></a><span class="lineno"> 2580</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02581"></a><span class="lineno"> 2581</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02582"></a><span class="lineno"> 2582</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02583"></a><span class="lineno"> 2583</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02584"></a><span class="lineno"> 2584</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02585"></a><span class="lineno"> 2585</span>  indexLo = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02586"></a><span class="lineno"> 2586</span>  </div>
<div class="line"><a name="l02587"></a><span class="lineno"> 2587</span>  controlBit = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a>(controlQubit, indexUp+chunkId*chunkSize);</div>
<div class="line"><a name="l02588"></a><span class="lineno"> 2588</span>  <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02589"></a><span class="lineno"> 2589</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02590"></a><span class="lineno"> 2590</span>  stateImagUp = stateVecImag[indexUp];</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>  stateVecReal[indexUp] = stateVecReal[indexLo];</div>
<div class="line"><a name="l02593"></a><span class="lineno"> 2593</span>  stateVecImag[indexUp] = stateVecImag[indexLo];</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>  stateVecReal[indexLo] = stateRealUp;</div>
<div class="line"><a name="l02596"></a><span class="lineno"> 2596</span>  stateVecImag[indexLo] = stateImagUp;</div>
<div class="line"><a name="l02597"></a><span class="lineno"> 2597</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>  }</div>
<div class="line"><a name="l02600"></a><span class="lineno"> 2600</span> }</div>
<div class="line"><a name="l02601"></a><span class="lineno"> 2601</span>  </div>
<div class="line"><a name="l02612"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a97f17a0969e16f9ce9b55abd46bd732a"> 2612</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a97f17a0969e16f9ce9b55abd46bd732a">statevec_controlledNotDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> controlQubit,</div>
<div class="line"><a name="l02613"></a><span class="lineno"> 2613</span>  ComplexArray stateVecIn,</div>
<div class="line"><a name="l02614"></a><span class="lineno"> 2614</span>  ComplexArray stateVecOut)</div>
<div class="line"><a name="l02615"></a><span class="lineno"> 2615</span> {</div>
<div class="line"><a name="l02616"></a><span class="lineno"> 2616</span>  </div>
<div class="line"><a name="l02617"></a><span class="lineno"> 2617</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02618"></a><span class="lineno"> 2618</span>  <span class="keyword">const</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="l02619"></a><span class="lineno"> 2619</span>  <span class="keyword">const</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="l02620"></a><span class="lineno"> 2620</span>  <span class="keyword">const</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="l02621"></a><span class="lineno"> 2621</span>  </div>
<div class="line"><a name="l02622"></a><span class="lineno"> 2622</span>  <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02623"></a><span class="lineno"> 2623</span>  </div>
<div class="line"><a name="l02624"></a><span class="lineno"> 2624</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealIn=stateVecIn.real, *stateVecImagIn=stateVecIn.imag;</div>
<div class="line"><a name="l02625"></a><span class="lineno"> 2625</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02626"></a><span class="lineno"> 2626</span>  </div>
<div class="line"><a name="l02627"></a><span class="lineno"> 2627</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02628"></a><span class="lineno"> 2628</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02629"></a><span class="lineno"> 2629</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02630"></a><span class="lineno"> 2630</span> <span class="preprocessor"> shared (stateVecRealIn,stateVecImagIn,stateVecRealOut,stateVecImagOut) \</span></div>
<div class="line"><a name="l02631"></a><span class="lineno"> 2631</span> <span class="preprocessor"> private (thisTask,controlBit)</span></div>
<div class="line"><a name="l02632"></a><span class="lineno"> 2632</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02633"></a><span class="lineno"> 2633</span>  {</div>
<div class="line"><a name="l02634"></a><span class="lineno"> 2634</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02635"></a><span class="lineno"> 2635</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02636"></a><span class="lineno"> 2636</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02637"></a><span class="lineno"> 2637</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02638"></a><span class="lineno"> 2638</span>  controlBit = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a> (controlQubit, thisTask+chunkId*chunkSize);</div>
<div class="line"><a name="l02639"></a><span class="lineno"> 2639</span>  <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02640"></a><span class="lineno"> 2640</span>  stateVecRealOut[thisTask] = stateVecRealIn[thisTask];</div>
<div class="line"><a name="l02641"></a><span class="lineno"> 2641</span>  stateVecImagOut[thisTask] = stateVecImagIn[thisTask];</div>
<div class="line"><a name="l02642"></a><span class="lineno"> 2642</span>  }</div>
<div class="line"><a name="l02643"></a><span class="lineno"> 2643</span>  }</div>
<div class="line"><a name="l02644"></a><span class="lineno"> 2644</span>  }</div>
<div class="line"><a name="l02645"></a><span class="lineno"> 2645</span> } </div>
<div class="line"><a name="l02646"></a><span class="lineno"> 2646</span>  </div>
<div class="line"><a name="l02647"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a8edf5f2066b05fb343931f45e2bec8f8"> 2647</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a8edf5f2066b05fb343931f45e2bec8f8">statevec_pauliYLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit, <span class="keyword">const</span> <span class="keywordtype">int</span> conjFac)</div>
<div class="line"><a name="l02648"></a><span class="lineno"> 2648</span> {</div>
<div class="line"><a name="l02649"></a><span class="lineno"> 2649</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02650"></a><span class="lineno"> 2650</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="l02651"></a><span class="lineno"> 2651</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02652"></a><span class="lineno"> 2652</span>  </div>
<div class="line"><a name="l02653"></a><span class="lineno"> 2653</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateImagUp;</div>
<div class="line"><a name="l02654"></a><span class="lineno"> 2654</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02655"></a><span class="lineno"> 2655</span>  <span class="keyword">const</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="l02656"></a><span class="lineno"> 2656</span>  </div>
<div class="line"><a name="l02657"></a><span class="lineno"> 2657</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02658"></a><span class="lineno"> 2658</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l02659"></a><span class="lineno"> 2659</span>  sizeBlock = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02660"></a><span class="lineno"> 2660</span>  </div>
<div class="line"><a name="l02661"></a><span class="lineno"> 2661</span>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02662"></a><span class="lineno"> 2662</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="l02663"></a><span class="lineno"> 2663</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="l02664"></a><span class="lineno"> 2664</span>  </div>
<div class="line"><a name="l02665"></a><span class="lineno"> 2665</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02666"></a><span class="lineno"> 2666</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02667"></a><span class="lineno"> 2667</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02668"></a><span class="lineno"> 2668</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag) \</span></div>
<div class="line"><a name="l02669"></a><span class="lineno"> 2669</span> <span class="preprocessor"> private (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp) </span></div>
<div class="line"><a name="l02670"></a><span class="lineno"> 2670</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02671"></a><span class="lineno"> 2671</span>  {</div>
<div class="line"><a name="l02672"></a><span class="lineno"> 2672</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02673"></a><span class="lineno"> 2673</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02674"></a><span class="lineno"> 2674</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02675"></a><span class="lineno"> 2675</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02676"></a><span class="lineno"> 2676</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02677"></a><span class="lineno"> 2677</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02678"></a><span class="lineno"> 2678</span>  indexLo = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02679"></a><span class="lineno"> 2679</span>  </div>
<div class="line"><a name="l02680"></a><span class="lineno"> 2680</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02681"></a><span class="lineno"> 2681</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02682"></a><span class="lineno"> 2682</span>  </div>
<div class="line"><a name="l02683"></a><span class="lineno"> 2683</span>  stateVecReal[indexUp] = conjFac * stateVecImag[indexLo];</div>
<div class="line"><a name="l02684"></a><span class="lineno"> 2684</span>  stateVecImag[indexUp] = conjFac * -stateVecReal[indexLo];</div>
<div class="line"><a name="l02685"></a><span class="lineno"> 2685</span>  stateVecReal[indexLo] = conjFac * -stateImagUp;</div>
<div class="line"><a name="l02686"></a><span class="lineno"> 2686</span>  stateVecImag[indexLo] = conjFac * stateRealUp;</div>
<div class="line"><a name="l02687"></a><span class="lineno"> 2687</span>  } </div>
<div class="line"><a name="l02688"></a><span class="lineno"> 2688</span>  }</div>
<div class="line"><a name="l02689"></a><span class="lineno"> 2689</span> }</div>
<div class="line"><a name="l02690"></a><span class="lineno"> 2690</span>  </div>
<div class="line"><a name="l02704"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a3528cf8d741807987d8150d59ccb1ba3"> 2704</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a3528cf8d741807987d8150d59ccb1ba3">statevec_pauliYDistributed</a>(<a class="code" href="structQureg.html">Qureg</a> qureg,</div>
<div class="line"><a name="l02705"></a><span class="lineno"> 2705</span>  ComplexArray stateVecIn,</div>
<div class="line"><a name="l02706"></a><span class="lineno"> 2706</span>  ComplexArray stateVecOut, </div>
<div class="line"><a name="l02707"></a><span class="lineno"> 2707</span>  <span class="keywordtype">int</span> updateUpper, <span class="keyword">const</span> <span class="keywordtype">int</span> conjFac)</div>
<div class="line"><a name="l02708"></a><span class="lineno"> 2708</span> {</div>
<div class="line"><a name="l02709"></a><span class="lineno"> 2709</span>  </div>
<div class="line"><a name="l02710"></a><span class="lineno"> 2710</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02711"></a><span class="lineno"> 2711</span>  <span class="keyword">const</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="l02712"></a><span class="lineno"> 2712</span>  </div>
<div class="line"><a name="l02713"></a><span class="lineno"> 2713</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealIn=stateVecIn.real, *stateVecImagIn=stateVecIn.imag;</div>
<div class="line"><a name="l02714"></a><span class="lineno"> 2714</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</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>  <span class="keywordtype">int</span> realSign=1, imagSign=1;</div>
<div class="line"><a name="l02717"></a><span class="lineno"> 2717</span>  <span class="keywordflow">if</span> (updateUpper) imagSign=-1;</div>
<div class="line"><a name="l02718"></a><span class="lineno"> 2718</span>  <span class="keywordflow">else</span> realSign = -1;</div>
<div class="line"><a name="l02719"></a><span class="lineno"> 2719</span>  </div>
<div class="line"><a name="l02720"></a><span class="lineno"> 2720</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02721"></a><span class="lineno"> 2721</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02722"></a><span class="lineno"> 2722</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02723"></a><span class="lineno"> 2723</span> <span class="preprocessor"> shared (stateVecRealIn,stateVecImagIn,stateVecRealOut,stateVecImagOut,realSign,imagSign) \</span></div>
<div class="line"><a name="l02724"></a><span class="lineno"> 2724</span> <span class="preprocessor"> private (thisTask)</span></div>
<div class="line"><a name="l02725"></a><span class="lineno"> 2725</span> <span class="preprocessor"># endif</span></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> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02728"></a><span class="lineno"> 2728</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02729"></a><span class="lineno"> 2729</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02730"></a><span class="lineno"> 2730</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02731"></a><span class="lineno"> 2731</span>  stateVecRealOut[thisTask] = conjFac * realSign * stateVecImagIn[thisTask];</div>
<div class="line"><a name="l02732"></a><span class="lineno"> 2732</span>  stateVecImagOut[thisTask] = conjFac * imagSign * stateVecRealIn[thisTask];</div>
<div class="line"><a name="l02733"></a><span class="lineno"> 2733</span>  }</div>
<div class="line"><a name="l02734"></a><span class="lineno"> 2734</span>  }</div>
<div class="line"><a name="l02735"></a><span class="lineno"> 2735</span> } </div>
<div class="line"><a name="l02736"></a><span class="lineno"> 2736</span>  </div>
<div class="line"><a name="l02737"></a><span class="lineno"> 2737</span>  </div>
<div class="line"><a name="l02738"></a><span class="lineno"> 2738</span>  </div>
<div class="line"><a name="l02739"></a><span class="lineno"> 2739</span>  </div>
<div class="line"><a name="l02740"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a3efc754efa241f73a162ca4d1debe072"> 2740</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a9028deac63419d71d523f73229a7bd84">statevec_controlledPauliYLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> controlQubit, <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit, <span class="keyword">const</span> <span class="keywordtype">int</span> conjFac)</div>
<div class="line"><a name="l02741"></a><span class="lineno"> 2741</span> {</div>
<div class="line"><a name="l02742"></a><span class="lineno"> 2742</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02743"></a><span class="lineno"> 2743</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="l02744"></a><span class="lineno"> 2744</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></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>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateImagUp;</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="keyword">const</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="l02749"></a><span class="lineno"> 2749</span>  <span class="keyword">const</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="keyword">const</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>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02755"></a><span class="lineno"> 2755</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l02756"></a><span class="lineno"> 2756</span>  sizeBlock = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02757"></a><span class="lineno"> 2757</span>  </div>
<div class="line"><a name="l02758"></a><span class="lineno"> 2758</span>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02759"></a><span class="lineno"> 2759</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="l02760"></a><span class="lineno"> 2760</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="l02761"></a><span class="lineno"> 2761</span>  </div>
<div class="line"><a name="l02762"></a><span class="lineno"> 2762</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02763"></a><span class="lineno"> 2763</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02764"></a><span class="lineno"> 2764</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02765"></a><span class="lineno"> 2765</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag) \</span></div>
<div class="line"><a name="l02766"></a><span class="lineno"> 2766</span> <span class="preprocessor"> private (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,controlBit) </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>  {</div>
<div class="line"><a name="l02769"></a><span class="lineno"> 2769</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02770"></a><span class="lineno"> 2770</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02771"></a><span class="lineno"> 2771</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02772"></a><span class="lineno"> 2772</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02773"></a><span class="lineno"> 2773</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02774"></a><span class="lineno"> 2774</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02775"></a><span class="lineno"> 2775</span>  indexLo = indexUp + sizeHalfBlock;</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>  controlBit = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a>(controlQubit, indexUp+chunkId*chunkSize);</div>
<div class="line"><a name="l02778"></a><span class="lineno"> 2778</span>  <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02779"></a><span class="lineno"> 2779</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02780"></a><span class="lineno"> 2780</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02781"></a><span class="lineno"> 2781</span>  </div>
<div class="line"><a name="l02782"></a><span class="lineno"> 2782</span>  <span class="comment">// update under +-{{0, -i}, {i, 0}}</span></div>
<div class="line"><a name="l02783"></a><span class="lineno"> 2783</span>  stateVecReal[indexUp] = conjFac * stateVecImag[indexLo];</div>
<div class="line"><a name="l02784"></a><span class="lineno"> 2784</span>  stateVecImag[indexUp] = conjFac * -stateVecReal[indexLo];</div>
<div class="line"><a name="l02785"></a><span class="lineno"> 2785</span>  stateVecReal[indexLo] = conjFac * -stateImagUp;</div>
<div class="line"><a name="l02786"></a><span class="lineno"> 2786</span>  stateVecImag[indexLo] = conjFac * stateRealUp;</div>
<div class="line"><a name="l02787"></a><span class="lineno"> 2787</span>  }</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>  }</div>
<div class="line"><a name="l02790"></a><span class="lineno"> 2790</span> }</div>
<div class="line"><a name="l02791"></a><span class="lineno"> 2791</span>  </div>
<div class="line"><a name="l02792"></a><span class="lineno"> 2792</span>  </div>
<div class="line"><a name="l02793"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a638b7f72fb47a202750caacfd1ec1705"> 2793</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a3ad35691d74b79e759c0fc53862c68b5">statevec_controlledPauliYDistributed</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> controlQubit,</div>
<div class="line"><a name="l02794"></a><span class="lineno"> 2794</span>  ComplexArray stateVecIn,</div>
<div class="line"><a name="l02795"></a><span class="lineno"> 2795</span>  ComplexArray stateVecOut, <span class="keyword">const</span> <span class="keywordtype">int</span> conjFac)</div>
<div class="line"><a name="l02796"></a><span class="lineno"> 2796</span> {</div>
<div class="line"><a name="l02797"></a><span class="lineno"> 2797</span>  </div>
<div class="line"><a name="l02798"></a><span class="lineno"> 2798</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02799"></a><span class="lineno"> 2799</span>  <span class="keyword">const</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="l02800"></a><span class="lineno"> 2800</span>  <span class="keyword">const</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="l02801"></a><span class="lineno"> 2801</span>  <span class="keyword">const</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="l02802"></a><span class="lineno"> 2802</span>  </div>
<div class="line"><a name="l02803"></a><span class="lineno"> 2803</span>  <span class="keywordtype">int</span> controlBit;</div>
<div class="line"><a name="l02804"></a><span class="lineno"> 2804</span>  </div>
<div class="line"><a name="l02805"></a><span class="lineno"> 2805</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealIn=stateVecIn.real, *stateVecImagIn=stateVecIn.imag;</div>
<div class="line"><a name="l02806"></a><span class="lineno"> 2806</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02807"></a><span class="lineno"> 2807</span>  </div>
<div class="line"><a name="l02808"></a><span class="lineno"> 2808</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02809"></a><span class="lineno"> 2809</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02810"></a><span class="lineno"> 2810</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02811"></a><span class="lineno"> 2811</span> <span class="preprocessor"> shared (stateVecRealIn,stateVecImagIn,stateVecRealOut,stateVecImagOut) \</span></div>
<div class="line"><a name="l02812"></a><span class="lineno"> 2812</span> <span class="preprocessor"> private (thisTask,controlBit)</span></div>
<div class="line"><a name="l02813"></a><span class="lineno"> 2813</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02814"></a><span class="lineno"> 2814</span>  {</div>
<div class="line"><a name="l02815"></a><span class="lineno"> 2815</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02816"></a><span class="lineno"> 2816</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02817"></a><span class="lineno"> 2817</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02818"></a><span class="lineno"> 2818</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02819"></a><span class="lineno"> 2819</span>  controlBit = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a> (controlQubit, thisTask+chunkId*chunkSize);</div>
<div class="line"><a name="l02820"></a><span class="lineno"> 2820</span>  <span class="keywordflow">if</span> (controlBit){</div>
<div class="line"><a name="l02821"></a><span class="lineno"> 2821</span>  stateVecRealOut[thisTask] = conjFac * stateVecImagIn[thisTask];</div>
<div class="line"><a name="l02822"></a><span class="lineno"> 2822</span>  stateVecImagOut[thisTask] = conjFac * -stateVecRealIn[thisTask];</div>
<div class="line"><a name="l02823"></a><span class="lineno"> 2823</span>  }</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>  }</div>
<div class="line"><a name="l02826"></a><span class="lineno"> 2826</span> } </div>
<div class="line"><a name="l02827"></a><span class="lineno"> 2827</span>  </div>
<div class="line"><a name="l02828"></a><span class="lineno"> 2828</span>  </div>
<div class="line"><a name="l02829"></a><span class="lineno"> 2829</span>  </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#a24f9ade18290c82bbb2c4a706b3d5999"> 2834</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a24f9ade18290c82bbb2c4a706b3d5999">statevec_hadamardLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit)</div>
<div class="line"><a name="l02835"></a><span class="lineno"> 2835</span> {</div>
<div class="line"><a name="l02836"></a><span class="lineno"> 2836</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> sizeBlock, sizeHalfBlock;</div>
<div class="line"><a name="l02837"></a><span class="lineno"> 2837</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="l02838"></a><span class="lineno"> 2838</span>  indexUp,indexLo; <span class="comment">// current index and corresponding index in lower half block</span></div>
<div class="line"><a name="l02839"></a><span class="lineno"> 2839</span>  </div>
<div class="line"><a name="l02840"></a><span class="lineno"> 2840</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02841"></a><span class="lineno"> 2841</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02842"></a><span class="lineno"> 2842</span>  <span class="keyword">const</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="l02843"></a><span class="lineno"> 2843</span>  </div>
<div class="line"><a name="l02844"></a><span class="lineno"> 2844</span>  <span class="comment">// set dimensions</span></div>
<div class="line"><a name="l02845"></a><span class="lineno"> 2845</span>  sizeHalfBlock = 1LL << targetQubit; </div>
<div class="line"><a name="l02846"></a><span class="lineno"> 2846</span>  sizeBlock = 2LL * sizeHalfBlock; </div>
<div class="line"><a name="l02847"></a><span class="lineno"> 2847</span>  </div>
<div class="line"><a name="l02848"></a><span class="lineno"> 2848</span>  <span class="comment">// Can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l02849"></a><span class="lineno"> 2849</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="l02850"></a><span class="lineno"> 2850</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="l02851"></a><span class="lineno"> 2851</span>  </div>
<div class="line"><a name="l02852"></a><span class="lineno"> 2852</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> recRoot2 = 1.0/sqrt(2);</div>
<div class="line"><a name="l02853"></a><span class="lineno"> 2853</span>  </div>
<div class="line"><a name="l02854"></a><span class="lineno"> 2854</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02855"></a><span class="lineno"> 2855</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02856"></a><span class="lineno"> 2856</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02857"></a><span class="lineno"> 2857</span> <span class="preprocessor"> shared (sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag, recRoot2) \</span></div>
<div class="line"><a name="l02858"></a><span class="lineno"> 2858</span> <span class="preprocessor"> private (thisTask,thisBlock ,indexUp,indexLo, stateRealUp,stateImagUp,stateRealLo,stateImagLo) </span></div>
<div class="line"><a name="l02859"></a><span class="lineno"> 2859</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02860"></a><span class="lineno"> 2860</span>  {</div>
<div class="line"><a name="l02861"></a><span class="lineno"> 2861</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02862"></a><span class="lineno"> 2862</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02863"></a><span class="lineno"> 2863</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02864"></a><span class="lineno"> 2864</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02865"></a><span class="lineno"> 2865</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l02866"></a><span class="lineno"> 2866</span>  indexUp = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l02867"></a><span class="lineno"> 2867</span>  indexLo = indexUp + sizeHalfBlock;</div>
<div class="line"><a name="l02868"></a><span class="lineno"> 2868</span>  </div>
<div class="line"><a name="l02869"></a><span class="lineno"> 2869</span>  stateRealUp = stateVecReal[indexUp];</div>
<div class="line"><a name="l02870"></a><span class="lineno"> 2870</span>  stateImagUp = stateVecImag[indexUp];</div>
<div class="line"><a name="l02871"></a><span class="lineno"> 2871</span>  </div>
<div class="line"><a name="l02872"></a><span class="lineno"> 2872</span>  stateRealLo = stateVecReal[indexLo];</div>
<div class="line"><a name="l02873"></a><span class="lineno"> 2873</span>  stateImagLo = stateVecImag[indexLo];</div>
<div class="line"><a name="l02874"></a><span class="lineno"> 2874</span>  </div>
<div class="line"><a name="l02875"></a><span class="lineno"> 2875</span>  stateVecReal[indexUp] = recRoot2*(stateRealUp + stateRealLo);</div>
<div class="line"><a name="l02876"></a><span class="lineno"> 2876</span>  stateVecImag[indexUp] = recRoot2*(stateImagUp + stateImagLo);</div>
<div class="line"><a name="l02877"></a><span class="lineno"> 2877</span>  </div>
<div class="line"><a name="l02878"></a><span class="lineno"> 2878</span>  stateVecReal[indexLo] = recRoot2*(stateRealUp - stateRealLo);</div>
<div class="line"><a name="l02879"></a><span class="lineno"> 2879</span>  stateVecImag[indexLo] = recRoot2*(stateImagUp - stateImagLo);</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>  }</div>
<div class="line"><a name="l02882"></a><span class="lineno"> 2882</span> }</div>
<div class="line"><a name="l02883"></a><span class="lineno"> 2883</span>  </div>
<div class="line"><a name="l02894"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#abea6570b95fdfa102511ccd1fcb30685"> 2894</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="l02895"></a><span class="lineno"> 2895</span>  ComplexArray stateVecUp,</div>
<div class="line"><a name="l02896"></a><span class="lineno"> 2896</span>  ComplexArray stateVecLo,</div>
<div class="line"><a name="l02897"></a><span class="lineno"> 2897</span>  ComplexArray stateVecOut,</div>
<div class="line"><a name="l02898"></a><span class="lineno"> 2898</span>  <span class="keywordtype">int</span> updateUpper)</div>
<div class="line"><a name="l02899"></a><span class="lineno"> 2899</span> {</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>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealUp,stateRealLo,stateImagUp,stateImagLo;</div>
<div class="line"><a name="l02902"></a><span class="lineno"> 2902</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l02903"></a><span class="lineno"> 2903</span>  <span class="keyword">const</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="l02904"></a><span class="lineno"> 2904</span>  </div>
<div class="line"><a name="l02905"></a><span class="lineno"> 2905</span>  <span class="keywordtype">int</span> sign;</div>
<div class="line"><a name="l02906"></a><span class="lineno"> 2906</span>  <span class="keywordflow">if</span> (updateUpper) sign=1;</div>
<div class="line"><a name="l02907"></a><span class="lineno"> 2907</span>  <span class="keywordflow">else</span> sign=-1;</div>
<div class="line"><a name="l02908"></a><span class="lineno"> 2908</span>  </div>
<div class="line"><a name="l02909"></a><span class="lineno"> 2909</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> recRoot2 = 1.0/sqrt(2);</div>
<div class="line"><a name="l02910"></a><span class="lineno"> 2910</span>  </div>
<div class="line"><a name="l02911"></a><span class="lineno"> 2911</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealUp=stateVecUp.real, *stateVecImagUp=stateVecUp.imag;</div>
<div class="line"><a name="l02912"></a><span class="lineno"> 2912</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealLo=stateVecLo.real, *stateVecImagLo=stateVecLo.imag;</div>
<div class="line"><a name="l02913"></a><span class="lineno"> 2913</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> *stateVecRealOut=stateVecOut.real, *stateVecImagOut=stateVecOut.imag;</div>
<div class="line"><a name="l02914"></a><span class="lineno"> 2914</span>  </div>
<div class="line"><a name="l02915"></a><span class="lineno"> 2915</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02916"></a><span class="lineno"> 2916</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l02917"></a><span class="lineno"> 2917</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02918"></a><span class="lineno"> 2918</span> <span class="preprocessor"> shared (stateVecRealUp,stateVecImagUp,stateVecRealLo,stateVecImagLo,stateVecRealOut,stateVecImagOut, \</span></div>
<div class="line"><a name="l02919"></a><span class="lineno"> 2919</span> <span class="preprocessor"> recRoot2, sign) \</span></div>
<div class="line"><a name="l02920"></a><span class="lineno"> 2920</span> <span class="preprocessor"> private (thisTask,stateRealUp,stateImagUp,stateRealLo,stateImagLo)</span></div>
<div class="line"><a name="l02921"></a><span class="lineno"> 2921</span> <span class="preprocessor"># endif</span></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> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02924"></a><span class="lineno"> 2924</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l02925"></a><span class="lineno"> 2925</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02926"></a><span class="lineno"> 2926</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l02927"></a><span class="lineno"> 2927</span>  <span class="comment">// store current state vector values in temp variables</span></div>
<div class="line"><a name="l02928"></a><span class="lineno"> 2928</span>  stateRealUp = stateVecRealUp[thisTask];</div>
<div class="line"><a name="l02929"></a><span class="lineno"> 2929</span>  stateImagUp = stateVecImagUp[thisTask];</div>
<div class="line"><a name="l02930"></a><span class="lineno"> 2930</span>  </div>
<div class="line"><a name="l02931"></a><span class="lineno"> 2931</span>  stateRealLo = stateVecRealLo[thisTask];</div>
<div class="line"><a name="l02932"></a><span class="lineno"> 2932</span>  stateImagLo = stateVecImagLo[thisTask];</div>
<div class="line"><a name="l02933"></a><span class="lineno"> 2933</span>  </div>
<div class="line"><a name="l02934"></a><span class="lineno"> 2934</span>  stateVecRealOut[thisTask] = recRoot2*(stateRealUp + sign*stateRealLo);</div>
<div class="line"><a name="l02935"></a><span class="lineno"> 2935</span>  stateVecImagOut[thisTask] = recRoot2*(stateImagUp + sign*stateImagLo);</div>
<div class="line"><a name="l02936"></a><span class="lineno"> 2936</span>  }</div>
<div class="line"><a name="l02937"></a><span class="lineno"> 2937</span>  }</div>
<div class="line"><a name="l02938"></a><span class="lineno"> 2938</span> }</div>
<div class="line"><a name="l02939"></a><span class="lineno"> 2939</span>  </div>
<div class="line"><a name="l02940"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a8972669148af60d7e1c09687f69673d4"> 2940</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a8972669148af60d7e1c09687f69673d4">statevec_phaseShiftByTerm</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> targetQubit, <a class="code" href="structComplex.html">Complex</a> term)</div>
<div class="line"><a name="l02941"></a><span class="lineno"> 2941</span> { </div>
<div class="line"><a name="l02942"></a><span class="lineno"> 2942</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l02943"></a><span class="lineno"> 2943</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l02944"></a><span class="lineno"> 2944</span>  <span class="keywordtype">int</span> targetBit;</div>
<div class="line"><a name="l02945"></a><span class="lineno"> 2945</span>  </div>
<div class="line"><a name="l02946"></a><span class="lineno"> 2946</span>  <span class="keyword">const</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="l02947"></a><span class="lineno"> 2947</span>  <span class="keyword">const</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="l02948"></a><span class="lineno"> 2948</span>  </div>
<div class="line"><a name="l02949"></a><span class="lineno"> 2949</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l02950"></a><span class="lineno"> 2950</span>  stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02951"></a><span class="lineno"> 2951</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="l02952"></a><span class="lineno"> 2952</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="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> stateRealLo, stateImagLo;</div>
<div class="line"><a name="l02955"></a><span class="lineno"> 2955</span>  <span class="keyword">const</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="l02956"></a><span class="lineno"> 2956</span>  <span class="keyword">const</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="l02957"></a><span class="lineno"> 2957</span>  </div>
<div class="line"><a name="l02958"></a><span class="lineno"> 2958</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02959"></a><span class="lineno"> 2959</span> <span class="preprocessor"># pragma omp parallel for \</span></div>
<div class="line"><a name="l02960"></a><span class="lineno"> 2960</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l02961"></a><span class="lineno"> 2961</span> <span class="preprocessor"> shared (stateVecSize, stateVecReal,stateVecImag ) \</span></div>
<div class="line"><a name="l02962"></a><span class="lineno"> 2962</span> <span class="preprocessor"> private (index,targetBit,stateRealLo,stateImagLo) \</span></div>
<div class="line"><a name="l02963"></a><span class="lineno"> 2963</span> <span class="preprocessor"> schedule (static)</span></div>
<div class="line"><a name="l02964"></a><span class="lineno"> 2964</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l02965"></a><span class="lineno"> 2965</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l02966"></a><span class="lineno"> 2966</span>  </div>
<div class="line"><a name="l02967"></a><span class="lineno"> 2967</span>  <span class="comment">// update the coeff of the |1> state of the target qubit</span></div>
<div class="line"><a name="l02968"></a><span class="lineno"> 2968</span>  targetBit = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a> (targetQubit, index+chunkId*chunkSize);</div>
<div class="line"><a name="l02969"></a><span class="lineno"> 2969</span>  <span class="keywordflow">if</span> (targetBit) {</div>
<div class="line"><a name="l02970"></a><span class="lineno"> 2970</span>  </div>
<div class="line"><a name="l02971"></a><span class="lineno"> 2971</span>  stateRealLo = stateVecReal[index];</div>
<div class="line"><a name="l02972"></a><span class="lineno"> 2972</span>  stateImagLo = stateVecImag[index];</div>
<div class="line"><a name="l02973"></a><span class="lineno"> 2973</span>  </div>
<div class="line"><a name="l02974"></a><span class="lineno"> 2974</span>  stateVecReal[index] = cosAngle*stateRealLo - sinAngle*stateImagLo;</div>
<div class="line"><a name="l02975"></a><span class="lineno"> 2975</span>  stateVecImag[index] = sinAngle*stateRealLo + cosAngle*stateImagLo; </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"><a class="line" href="QuEST__cpu_8c.html#adeb715f3f2c167f9bfbe92b75f5988ce"> 2980</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#adeb715f3f2c167f9bfbe92b75f5988ce">statevec_controlledPhaseShift</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> idQubit1, <span class="keyword">const</span> <span class="keywordtype">int</span> idQubit2, <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> angle)</div>
<div class="line"><a name="l02981"></a><span class="lineno"> 2981</span> {</div>
<div class="line"><a name="l02982"></a><span class="lineno"> 2982</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l02983"></a><span class="lineno"> 2983</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l02984"></a><span class="lineno"> 2984</span>  <span class="keywordtype">int</span> bit1, bit2;</div>
<div class="line"><a name="l02985"></a><span class="lineno"> 2985</span>  </div>
<div class="line"><a name="l02986"></a><span class="lineno"> 2986</span>  <span class="keyword">const</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="l02987"></a><span class="lineno"> 2987</span>  <span class="keyword">const</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="l02988"></a><span class="lineno"> 2988</span>  </div>
<div class="line"><a name="l02989"></a><span class="lineno"> 2989</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l02990"></a><span class="lineno"> 2990</span>  stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l02991"></a><span class="lineno"> 2991</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="l02992"></a><span class="lineno"> 2992</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="l02993"></a><span class="lineno"> 2993</span>  </div>
<div class="line"><a name="l02994"></a><span class="lineno"> 2994</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealLo, stateImagLo;</div>
<div class="line"><a name="l02995"></a><span class="lineno"> 2995</span>  <span class="keyword">const</span> <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> cosAngle = cos(angle);</div>
<div class="line"><a name="l02996"></a><span class="lineno"> 2996</span>  <span class="keyword">const</span> <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> sinAngle = sin(angle);</div>
<div class="line"><a name="l02997"></a><span class="lineno"> 2997</span>  </div>
<div class="line"><a name="l02998"></a><span class="lineno"> 2998</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l02999"></a><span class="lineno"> 2999</span> <span class="preprocessor"># pragma omp parallel for \</span></div>
<div class="line"><a name="l03000"></a><span class="lineno"> 3000</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03001"></a><span class="lineno"> 3001</span> <span class="preprocessor"> shared (stateVecSize, stateVecReal,stateVecImag ) \</span></div>
<div class="line"><a name="l03002"></a><span class="lineno"> 3002</span> <span class="preprocessor"> private (index,bit1,bit2,stateRealLo,stateImagLo) \</span></div>
<div class="line"><a name="l03003"></a><span class="lineno"> 3003</span> <span class="preprocessor"> schedule (static)</span></div>
<div class="line"><a name="l03004"></a><span class="lineno"> 3004</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03005"></a><span class="lineno"> 3005</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l03006"></a><span class="lineno"> 3006</span>  bit1 = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a> (idQubit1, index+chunkId*chunkSize);</div>
<div class="line"><a name="l03007"></a><span class="lineno"> 3007</span>  bit2 = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a> (idQubit2, index+chunkId*chunkSize);</div>
<div class="line"><a name="l03008"></a><span class="lineno"> 3008</span>  <span class="keywordflow">if</span> (bit1 && bit2) {</div>
<div class="line"><a name="l03009"></a><span class="lineno"> 3009</span>  </div>
<div class="line"><a name="l03010"></a><span class="lineno"> 3010</span>  stateRealLo = stateVecReal[index];</div>
<div class="line"><a name="l03011"></a><span class="lineno"> 3011</span>  stateImagLo = stateVecImag[index];</div>
<div class="line"><a name="l03012"></a><span class="lineno"> 3012</span>  </div>
<div class="line"><a name="l03013"></a><span class="lineno"> 3013</span>  stateVecReal[index] = cosAngle*stateRealLo - sinAngle*stateImagLo;</div>
<div class="line"><a name="l03014"></a><span class="lineno"> 3014</span>  stateVecImag[index] = sinAngle*stateRealLo + cosAngle*stateImagLo; </div>
<div class="line"><a name="l03015"></a><span class="lineno"> 3015</span>  }</div>
<div class="line"><a name="l03016"></a><span class="lineno"> 3016</span>  }</div>
<div class="line"><a name="l03017"></a><span class="lineno"> 3017</span> }</div>
<div class="line"><a name="l03018"></a><span class="lineno"> 3018</span>  </div>
<div class="line"><a name="l03019"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#aa662796ea6e0f471143c53becae8c12c"> 3019</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="l03020"></a><span class="lineno"> 3020</span> {</div>
<div class="line"><a name="l03021"></a><span class="lineno"> 3021</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03022"></a><span class="lineno"> 3022</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l03023"></a><span class="lineno"> 3023</span>  </div>
<div class="line"><a name="l03024"></a><span class="lineno"> 3024</span>  <span class="keyword">const</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="l03025"></a><span class="lineno"> 3025</span>  <span class="keyword">const</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="l03026"></a><span class="lineno"> 3026</span>  </div>
<div class="line"><a name="l03027"></a><span class="lineno"> 3027</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#abd1285091450c7c2806cc26c71eb5df2">getQubitBitMask</a>(controlQubits, numControlQubits);</div>
<div class="line"><a name="l03028"></a><span class="lineno"> 3028</span>  </div>
<div class="line"><a name="l03029"></a><span class="lineno"> 3029</span>  stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03030"></a><span class="lineno"> 3030</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="l03031"></a><span class="lineno"> 3031</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="l03032"></a><span class="lineno"> 3032</span>  </div>
<div class="line"><a name="l03033"></a><span class="lineno"> 3033</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateRealLo, stateImagLo;</div>
<div class="line"><a name="l03034"></a><span class="lineno"> 3034</span>  <span class="keyword">const</span> <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> cosAngle = cos(angle);</div>
<div class="line"><a name="l03035"></a><span class="lineno"> 3035</span>  <span class="keyword">const</span> <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> sinAngle = sin(angle);</div>
<div class="line"><a name="l03036"></a><span class="lineno"> 3036</span>  </div>
<div class="line"><a name="l03037"></a><span class="lineno"> 3037</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03038"></a><span class="lineno"> 3038</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03039"></a><span class="lineno"> 3039</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03040"></a><span class="lineno"> 3040</span> <span class="preprocessor"> shared (stateVecSize, stateVecReal, stateVecImag, mask) \</span></div>
<div class="line"><a name="l03041"></a><span class="lineno"> 3041</span> <span class="preprocessor"> private (index, stateRealLo, stateImagLo)</span></div>
<div class="line"><a name="l03042"></a><span class="lineno"> 3042</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03043"></a><span class="lineno"> 3043</span>  {</div>
<div class="line"><a name="l03044"></a><span class="lineno"> 3044</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03045"></a><span class="lineno"> 3045</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03046"></a><span class="lineno"> 3046</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03047"></a><span class="lineno"> 3047</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l03048"></a><span class="lineno"> 3048</span>  <span class="keywordflow">if</span> (mask == (mask & (index+chunkId*chunkSize)) ){</div>
<div class="line"><a name="l03049"></a><span class="lineno"> 3049</span>  </div>
<div class="line"><a name="l03050"></a><span class="lineno"> 3050</span>  stateRealLo = stateVecReal[index];</div>
<div class="line"><a name="l03051"></a><span class="lineno"> 3051</span>  stateImagLo = stateVecImag[index];</div>
<div class="line"><a name="l03052"></a><span class="lineno"> 3052</span>  </div>
<div class="line"><a name="l03053"></a><span class="lineno"> 3053</span>  stateVecReal[index] = cosAngle*stateRealLo - sinAngle*stateImagLo;</div>
<div class="line"><a name="l03054"></a><span class="lineno"> 3054</span>  stateVecImag[index] = sinAngle*stateRealLo + cosAngle*stateImagLo; </div>
<div class="line"><a name="l03055"></a><span class="lineno"> 3055</span>  }</div>
<div class="line"><a name="l03056"></a><span class="lineno"> 3056</span>  }</div>
<div class="line"><a name="l03057"></a><span class="lineno"> 3057</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>  </div>
<div class="line"><a name="l03060"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a37e522505286f17fe6ef74b9f607a5c6"> 3060</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="l03061"></a><span class="lineno"> 3061</span>  <span class="keywordtype">int</span> parity = 0;</div>
<div class="line"><a name="l03062"></a><span class="lineno"> 3062</span>  <span class="keywordflow">while</span> (mask) {</div>
<div class="line"><a name="l03063"></a><span class="lineno"> 3063</span>  parity = !parity;</div>
<div class="line"><a name="l03064"></a><span class="lineno"> 3064</span>  mask = mask & (mask-1);</div>
<div class="line"><a name="l03065"></a><span class="lineno"> 3065</span>  }</div>
<div class="line"><a name="l03066"></a><span class="lineno"> 3066</span>  <span class="keywordflow">return</span> parity;</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"><a class="line" href="QuEST__cpu_8c.html#a8d88b4ed94ab024e5e7b2f1f4f505b44"> 3069</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="l03070"></a><span class="lineno"> 3070</span> {</div>
<div class="line"><a name="l03071"></a><span class="lineno"> 3071</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03072"></a><span class="lineno"> 3072</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</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>  <span class="keyword">const</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="l03075"></a><span class="lineno"> 3075</span>  <span class="keyword">const</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="l03076"></a><span class="lineno"> 3076</span>  </div>
<div class="line"><a name="l03077"></a><span class="lineno"> 3077</span>  stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03078"></a><span class="lineno"> 3078</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="l03079"></a><span class="lineno"> 3079</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="l03080"></a><span class="lineno"> 3080</span>  </div>
<div class="line"><a name="l03081"></a><span class="lineno"> 3081</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> stateReal, stateImag;</div>
<div class="line"><a name="l03082"></a><span class="lineno"> 3082</span>  <span class="keyword">const</span> <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> cosAngle = cos(angle/2.0);</div>
<div class="line"><a name="l03083"></a><span class="lineno"> 3083</span>  <span class="keyword">const</span> <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> sinAngle = sin(angle/2.0); </div>
<div class="line"><a name="l03084"></a><span class="lineno"> 3084</span>  </div>
<div class="line"><a name="l03085"></a><span class="lineno"> 3085</span>  <span class="comment">// = +-1, to flip sinAngle based on target qubit parity, to effect</span></div>
<div class="line"><a name="l03086"></a><span class="lineno"> 3086</span>  <span class="comment">// exp(-angle/2 i fac_j)|j></span></div>
<div class="line"><a name="l03087"></a><span class="lineno"> 3087</span>  <span class="keywordtype">int</span> fac; </div>
<div class="line"><a name="l03088"></a><span class="lineno"> 3088</span>  </div>
<div class="line"><a name="l03089"></a><span class="lineno"> 3089</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03090"></a><span class="lineno"> 3090</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03091"></a><span class="lineno"> 3091</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03092"></a><span class="lineno"> 3092</span> <span class="preprocessor"> shared (stateVecSize, stateVecReal, stateVecImag, mask) \</span></div>
<div class="line"><a name="l03093"></a><span class="lineno"> 3093</span> <span class="preprocessor"> private (index, fac, stateReal, stateImag)</span></div>
<div class="line"><a name="l03094"></a><span class="lineno"> 3094</span> <span class="preprocessor"># endif</span></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> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03097"></a><span class="lineno"> 3097</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03098"></a><span class="lineno"> 3098</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03099"></a><span class="lineno"> 3099</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l03100"></a><span class="lineno"> 3100</span>  stateReal = stateVecReal[index];</div>
<div class="line"><a name="l03101"></a><span class="lineno"> 3101</span>  stateImag = stateVecImag[index];</div>
<div class="line"><a name="l03102"></a><span class="lineno"> 3102</span>  </div>
<div class="line"><a name="l03103"></a><span class="lineno"> 3103</span>  <span class="comment">// odd-parity target qubits get fac_j = -1</span></div>
<div class="line"><a name="l03104"></a><span class="lineno"> 3104</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="l03105"></a><span class="lineno"> 3105</span>  stateVecReal[index] = cosAngle*stateReal + fac * sinAngle*stateImag;</div>
<div class="line"><a name="l03106"></a><span class="lineno"> 3106</span>  stateVecImag[index] = - fac * sinAngle*stateReal + cosAngle*stateImag; </div>
<div class="line"><a name="l03107"></a><span class="lineno"> 3107</span>  }</div>
<div class="line"><a name="l03108"></a><span class="lineno"> 3108</span>  }</div>
<div class="line"><a name="l03109"></a><span class="lineno"> 3109</span> }</div>
<div class="line"><a name="l03110"></a><span class="lineno"> 3110</span>  </div>
<div class="line"><a name="l03111"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a101e7ef38c5d654a697dafe14562dcee"> 3111</a></span> <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> <a class="code" href="QuEST__cpu_8c.html#a101e7ef38c5d654a697dafe14562dcee">densmatr_findProbabilityOfZeroLocal</a>(<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> measureQubit) {</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>  <span class="comment">// computes first local index containing a diagonal element</span></div>
<div class="line"><a name="l03114"></a><span class="lineno"> 3114</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="l03115"></a><span class="lineno"> 3115</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="l03116"></a><span class="lineno"> 3116</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="l03117"></a><span class="lineno"> 3117</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="l03118"></a><span class="lineno"> 3118</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="l03119"></a><span class="lineno"> 3119</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="l03120"></a><span class="lineno"> 3120</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="l03121"></a><span class="lineno"> 3121</span>  </div>
<div class="line"><a name="l03122"></a><span class="lineno"> 3122</span>  <span class="comment">// computes how many diagonals are contained in this chunk</span></div>
<div class="line"><a name="l03123"></a><span class="lineno"> 3123</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> numDiagsInThisChunk = maxNumDiagsPerChunk;</div>
<div class="line"><a name="l03124"></a><span class="lineno"> 3124</span>  <span class="keywordflow">if</span> (localIndNextDiag + (numDiagsInThisChunk-1)*diagSpacing >= localNumAmps)</div>
<div class="line"><a name="l03125"></a><span class="lineno"> 3125</span>  numDiagsInThisChunk -= 1;</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>  <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="l03128"></a><span class="lineno"> 3128</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="l03129"></a><span class="lineno"> 3129</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="l03130"></a><span class="lineno"> 3130</span>  </div>
<div class="line"><a name="l03131"></a><span class="lineno"> 3131</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> zeroProb = 0;</div>
<div class="line"><a name="l03132"></a><span class="lineno"> 3132</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="l03133"></a><span class="lineno"> 3133</span>  </div>
<div class="line"><a name="l03134"></a><span class="lineno"> 3134</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03135"></a><span class="lineno"> 3135</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03136"></a><span class="lineno"> 3136</span> <span class="preprocessor"> shared (localIndNextDiag, numPrevDiags, diagSpacing, stateVecReal, numDiagsInThisChunk) \</span></div>
<div class="line"><a name="l03137"></a><span class="lineno"> 3137</span> <span class="preprocessor"> private (visitedDiags, basisStateInd, index) \</span></div>
<div class="line"><a name="l03138"></a><span class="lineno"> 3138</span> <span class="preprocessor"> reduction ( +:zeroProb )</span></div>
<div class="line"><a name="l03139"></a><span class="lineno"> 3139</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l03140"></a><span class="lineno"> 3140</span>  {</div>
<div class="line"><a name="l03141"></a><span class="lineno"> 3141</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03142"></a><span class="lineno"> 3142</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03143"></a><span class="lineno"> 3143</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03144"></a><span class="lineno"> 3144</span>  <span class="comment">// sums the diagonal elems of the density matrix where measureQubit=0</span></div>
<div class="line"><a name="l03145"></a><span class="lineno"> 3145</span>  <span class="keywordflow">for</span> (visitedDiags = 0; visitedDiags < numDiagsInThisChunk; visitedDiags++) {</div>
<div class="line"><a name="l03146"></a><span class="lineno"> 3146</span>  </div>
<div class="line"><a name="l03147"></a><span class="lineno"> 3147</span>  basisStateInd = numPrevDiags + visitedDiags;</div>
<div class="line"><a name="l03148"></a><span class="lineno"> 3148</span>  index = localIndNextDiag + diagSpacing * visitedDiags;</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="keywordflow">if</span> (<a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a>(measureQubit, basisStateInd) == 0)</div>
<div class="line"><a name="l03151"></a><span class="lineno"> 3151</span>  zeroProb += stateVecReal[index]; <span class="comment">// assume imag[diagonls] ~ 0</span></div>
<div class="line"><a name="l03152"></a><span class="lineno"> 3152</span>  </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>  }</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>  <span class="keywordflow">return</span> zeroProb;</div>
<div class="line"><a name="l03157"></a><span class="lineno"> 3157</span> }</div>
<div class="line"><a name="l03158"></a><span class="lineno"> 3158</span>  </div>
<div class="line"><a name="l03166"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#afa06d0143cea46f1e425c61ac6f6f9a2"> 3166</a></span> <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> <a class="code" href="QuEST__cpu_8c.html#afa06d0143cea46f1e425c61ac6f6f9a2">statevec_findProbabilityOfZeroLocal</a> (<a class="code" href="structQureg.html">Qureg</a> qureg,</div>
<div class="line"><a name="l03167"></a><span class="lineno"> 3167</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> measureQubit)</div>
<div class="line"><a name="l03168"></a><span class="lineno"> 3168</span> {</div>
<div class="line"><a name="l03169"></a><span class="lineno"> 3169</span>  <span class="comment">// ----- sizes</span></div>
<div class="line"><a name="l03170"></a><span class="lineno"> 3170</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="l03171"></a><span class="lineno"> 3171</span>  sizeHalfBlock; <span class="comment">// size of blocks halved</span></div>
<div class="line"><a name="l03172"></a><span class="lineno"> 3172</span>  <span class="comment">// ----- indices</span></div>
<div class="line"><a name="l03173"></a><span class="lineno"> 3173</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="l03174"></a><span class="lineno"> 3174</span>  index; <span class="comment">// current index for first half block</span></div>
<div class="line"><a name="l03175"></a><span class="lineno"> 3175</span>  <span class="comment">// ----- measured probability</span></div>
<div class="line"><a name="l03176"></a><span class="lineno"> 3176</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="l03177"></a><span class="lineno"> 3177</span>  <span class="comment">// ----- temp variables</span></div>
<div class="line"><a name="l03178"></a><span class="lineno"> 3178</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l03179"></a><span class="lineno"> 3179</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="l03180"></a><span class="lineno"> 3180</span>  </div>
<div class="line"><a name="l03181"></a><span class="lineno"> 3181</span>  <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03182"></a><span class="lineno"> 3182</span>  <span class="comment">// dimensions //</span></div>
<div class="line"><a name="l03183"></a><span class="lineno"> 3183</span>  <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03184"></a><span class="lineno"> 3184</span>  sizeHalfBlock = 1LL << (measureQubit); <span class="comment">// number of state vector elements to sum,</span></div>
<div class="line"><a name="l03185"></a><span class="lineno"> 3185</span>  <span class="comment">// and then the number to skip</span></div>
<div class="line"><a name="l03186"></a><span class="lineno"> 3186</span>  sizeBlock = 2LL * sizeHalfBlock; <span class="comment">// size of blocks (pairs of measure and skip entries)</span></div>
<div class="line"><a name="l03187"></a><span class="lineno"> 3187</span>  </div>
<div class="line"><a name="l03188"></a><span class="lineno"> 3188</span>  <span class="comment">// initialise returned value</span></div>
<div class="line"><a name="l03189"></a><span class="lineno"> 3189</span>  totalProbability = 0.0;</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>  <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="l03192"></a><span class="lineno"> 3192</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="l03193"></a><span class="lineno"> 3193</span>  </div>
<div class="line"><a name="l03194"></a><span class="lineno"> 3194</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03195"></a><span class="lineno"> 3195</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03196"></a><span class="lineno"> 3196</span> <span class="preprocessor"> shared (numTasks,sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag) \</span></div>
<div class="line"><a name="l03197"></a><span class="lineno"> 3197</span> <span class="preprocessor"> private (thisTask,thisBlock,index) \</span></div>
<div class="line"><a name="l03198"></a><span class="lineno"> 3198</span> <span class="preprocessor"> reduction ( +:totalProbability )</span></div>
<div class="line"><a name="l03199"></a><span class="lineno"> 3199</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l03200"></a><span class="lineno"> 3200</span>  {</div>
<div class="line"><a name="l03201"></a><span class="lineno"> 3201</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03202"></a><span class="lineno"> 3202</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03203"></a><span class="lineno"> 3203</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03204"></a><span class="lineno"> 3204</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l03205"></a><span class="lineno"> 3205</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l03206"></a><span class="lineno"> 3206</span>  index = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l03207"></a><span class="lineno"> 3207</span>  </div>
<div class="line"><a name="l03208"></a><span class="lineno"> 3208</span>  totalProbability += stateVecReal[index]*stateVecReal[index]</div>
<div class="line"><a name="l03209"></a><span class="lineno"> 3209</span>  + stateVecImag[index]*stateVecImag[index];</div>
<div class="line"><a name="l03210"></a><span class="lineno"> 3210</span>  }</div>
<div class="line"><a name="l03211"></a><span class="lineno"> 3211</span>  }</div>
<div class="line"><a name="l03212"></a><span class="lineno"> 3212</span>  <span class="keywordflow">return</span> totalProbability;</div>
<div class="line"><a name="l03213"></a><span class="lineno"> 3213</span> }</div>
<div class="line"><a name="l03214"></a><span class="lineno"> 3214</span>  </div>
<div class="line"><a name="l03222"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a430d98e35f1eae7f0815ac539057cf67"> 3222</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="l03223"></a><span class="lineno"> 3223</span>  <span class="comment">// ----- measured probability</span></div>
<div class="line"><a name="l03224"></a><span class="lineno"> 3224</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="l03225"></a><span class="lineno"> 3225</span>  <span class="comment">// ----- temp variables</span></div>
<div class="line"><a name="l03226"></a><span class="lineno"> 3226</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="l03227"></a><span class="lineno"> 3227</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="l03228"></a><span class="lineno"> 3228</span>  </div>
<div class="line"><a name="l03229"></a><span class="lineno"> 3229</span>  <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03230"></a><span class="lineno"> 3230</span>  <span class="comment">// find probability //</span></div>
<div class="line"><a name="l03231"></a><span class="lineno"> 3231</span>  <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03232"></a><span class="lineno"> 3232</span>  </div>
<div class="line"><a name="l03233"></a><span class="lineno"> 3233</span>  <span class="comment">// initialise returned value</span></div>
<div class="line"><a name="l03234"></a><span class="lineno"> 3234</span>  totalProbability = 0.0;</div>
<div class="line"><a name="l03235"></a><span class="lineno"> 3235</span>  </div>
<div class="line"><a name="l03236"></a><span class="lineno"> 3236</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="l03237"></a><span class="lineno"> 3237</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="l03238"></a><span class="lineno"> 3238</span>  </div>
<div class="line"><a name="l03239"></a><span class="lineno"> 3239</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03240"></a><span class="lineno"> 3240</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03241"></a><span class="lineno"> 3241</span> <span class="preprocessor"> shared (numTasks,stateVecReal,stateVecImag) \</span></div>
<div class="line"><a name="l03242"></a><span class="lineno"> 3242</span> <span class="preprocessor"> private (thisTask) \</span></div>
<div class="line"><a name="l03243"></a><span class="lineno"> 3243</span> <span class="preprocessor"> reduction ( +:totalProbability )</span></div>
<div class="line"><a name="l03244"></a><span class="lineno"> 3244</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03245"></a><span class="lineno"> 3245</span>  {</div>
<div class="line"><a name="l03246"></a><span class="lineno"> 3246</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03247"></a><span class="lineno"> 3247</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03248"></a><span class="lineno"> 3248</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03249"></a><span class="lineno"> 3249</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l03250"></a><span class="lineno"> 3250</span>  totalProbability += stateVecReal[thisTask]*stateVecReal[thisTask]</div>
<div class="line"><a name="l03251"></a><span class="lineno"> 3251</span>  + stateVecImag[thisTask]*stateVecImag[thisTask];</div>
<div class="line"><a name="l03252"></a><span class="lineno"> 3252</span>  }</div>
<div class="line"><a name="l03253"></a><span class="lineno"> 3253</span>  }</div>
<div class="line"><a name="l03254"></a><span class="lineno"> 3254</span>  </div>
<div class="line"><a name="l03255"></a><span class="lineno"> 3255</span>  <span class="keywordflow">return</span> totalProbability;</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>  </div>
<div class="line"><a name="l03258"></a><span class="lineno"> 3258</span>  </div>
<div class="line"><a name="l03259"></a><span class="lineno"> 3259</span>  </div>
<div class="line"><a name="l03260"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#a7c0067cb9f243ead20de7392aea328bc"> 3260</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#a7c0067cb9f243ead20de7392aea328bc">statevec_controlledPhaseFlip</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> idQubit1, <span class="keyword">const</span> <span class="keywordtype">int</span> idQubit2)</div>
<div class="line"><a name="l03261"></a><span class="lineno"> 3261</span> {</div>
<div class="line"><a name="l03262"></a><span class="lineno"> 3262</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03263"></a><span class="lineno"> 3263</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l03264"></a><span class="lineno"> 3264</span>  <span class="keywordtype">int</span> bit1, bit2;</div>
<div class="line"><a name="l03265"></a><span class="lineno"> 3265</span>  </div>
<div class="line"><a name="l03266"></a><span class="lineno"> 3266</span>  <span class="keyword">const</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="l03267"></a><span class="lineno"> 3267</span>  <span class="keyword">const</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="l03268"></a><span class="lineno"> 3268</span>  </div>
<div class="line"><a name="l03269"></a><span class="lineno"> 3269</span>  <span class="comment">// dimension of the state vector</span></div>
<div class="line"><a name="l03270"></a><span class="lineno"> 3270</span>  stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03271"></a><span class="lineno"> 3271</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="l03272"></a><span class="lineno"> 3272</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="l03273"></a><span class="lineno"> 3273</span>  </div>
<div class="line"><a name="l03274"></a><span class="lineno"> 3274</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03275"></a><span class="lineno"> 3275</span> <span class="preprocessor"># pragma omp parallel for \</span></div>
<div class="line"><a name="l03276"></a><span class="lineno"> 3276</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03277"></a><span class="lineno"> 3277</span> <span class="preprocessor"> shared (stateVecSize, stateVecReal,stateVecImag ) \</span></div>
<div class="line"><a name="l03278"></a><span class="lineno"> 3278</span> <span class="preprocessor"> private (index,bit1,bit2) \</span></div>
<div class="line"><a name="l03279"></a><span class="lineno"> 3279</span> <span class="preprocessor"> schedule (static)</span></div>
<div class="line"><a name="l03280"></a><span class="lineno"> 3280</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03281"></a><span class="lineno"> 3281</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l03282"></a><span class="lineno"> 3282</span>  bit1 = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a> (idQubit1, index+chunkId*chunkSize);</div>
<div class="line"><a name="l03283"></a><span class="lineno"> 3283</span>  bit2 = <a class="code" href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a> (idQubit2, index+chunkId*chunkSize);</div>
<div class="line"><a name="l03284"></a><span class="lineno"> 3284</span>  <span class="keywordflow">if</span> (bit1 && bit2) {</div>
<div class="line"><a name="l03285"></a><span class="lineno"> 3285</span>  stateVecReal [index] = - stateVecReal [index];</div>
<div class="line"><a name="l03286"></a><span class="lineno"> 3286</span>  stateVecImag [index] = - stateVecImag [index];</div>
<div class="line"><a name="l03287"></a><span class="lineno"> 3287</span>  }</div>
<div class="line"><a name="l03288"></a><span class="lineno"> 3288</span>  }</div>
<div class="line"><a name="l03289"></a><span class="lineno"> 3289</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"><a class="line" href="QuEST__cpu_8c.html#ac4ee5979d475e8c729294b8ef7e0270d"> 3291</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="l03292"></a><span class="lineno"> 3292</span> {</div>
<div class="line"><a name="l03293"></a><span class="lineno"> 3293</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l03294"></a><span class="lineno"> 3294</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> stateVecSize;</div>
<div class="line"><a name="l03295"></a><span class="lineno"> 3295</span>  </div>
<div class="line"><a name="l03296"></a><span class="lineno"> 3296</span>  <span class="keyword">const</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="l03297"></a><span class="lineno"> 3297</span>  <span class="keyword">const</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="l03298"></a><span class="lineno"> 3298</span>  </div>
<div class="line"><a name="l03299"></a><span class="lineno"> 3299</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#abd1285091450c7c2806cc26c71eb5df2">getQubitBitMask</a>(controlQubits, numControlQubits);</div>
<div class="line"><a name="l03300"></a><span class="lineno"> 3300</span>  </div>
<div class="line"><a name="l03301"></a><span class="lineno"> 3301</span>  stateVecSize = qureg.<a class="code" href="structQureg.html#ab0ea0358482b62f43fdd781469607d97">numAmpsPerChunk</a>;</div>
<div class="line"><a name="l03302"></a><span class="lineno"> 3302</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="l03303"></a><span class="lineno"> 3303</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="l03304"></a><span class="lineno"> 3304</span>  </div>
<div class="line"><a name="l03305"></a><span class="lineno"> 3305</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03306"></a><span class="lineno"> 3306</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03307"></a><span class="lineno"> 3307</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03308"></a><span class="lineno"> 3308</span> <span class="preprocessor"> shared (stateVecSize, stateVecReal,stateVecImag, mask ) \</span></div>
<div class="line"><a name="l03309"></a><span class="lineno"> 3309</span> <span class="preprocessor"> private (index)</span></div>
<div class="line"><a name="l03310"></a><span class="lineno"> 3310</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03311"></a><span class="lineno"> 3311</span>  {</div>
<div class="line"><a name="l03312"></a><span class="lineno"> 3312</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03313"></a><span class="lineno"> 3313</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03314"></a><span class="lineno"> 3314</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03315"></a><span class="lineno"> 3315</span>  <span class="keywordflow">for</span> (index=0; index<stateVecSize; index++) {</div>
<div class="line"><a name="l03316"></a><span class="lineno"> 3316</span>  <span class="keywordflow">if</span> (mask == (mask & (index+chunkId*chunkSize)) ){</div>
<div class="line"><a name="l03317"></a><span class="lineno"> 3317</span>  stateVecReal [index] = - stateVecReal [index];</div>
<div class="line"><a name="l03318"></a><span class="lineno"> 3318</span>  stateVecImag [index] = - stateVecImag [index];</div>
<div class="line"><a name="l03319"></a><span class="lineno"> 3319</span>  }</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>  }</div>
<div class="line"><a name="l03322"></a><span class="lineno"> 3322</span> }</div>
<div class="line"><a name="l03323"></a><span class="lineno"> 3323</span>  </div>
<div class="line"><a name="l03340"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ab02bce0ebbb8f624e8ced8b09b99cdef"> 3340</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="l03341"></a><span class="lineno"> 3341</span> {</div>
<div class="line"><a name="l03342"></a><span class="lineno"> 3342</span>  <span class="comment">// ----- sizes</span></div>
<div class="line"><a name="l03343"></a><span class="lineno"> 3343</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="l03344"></a><span class="lineno"> 3344</span>  sizeHalfBlock; <span class="comment">// size of blocks halved</span></div>
<div class="line"><a name="l03345"></a><span class="lineno"> 3345</span>  <span class="comment">// ----- indices</span></div>
<div class="line"><a name="l03346"></a><span class="lineno"> 3346</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="l03347"></a><span class="lineno"> 3347</span>  index; <span class="comment">// current index for first half block</span></div>
<div class="line"><a name="l03348"></a><span class="lineno"> 3348</span>  <span class="comment">// ----- measured probability</span></div>
<div class="line"><a name="l03349"></a><span class="lineno"> 3349</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="l03350"></a><span class="lineno"> 3350</span>  <span class="comment">// ----- temp variables</span></div>
<div class="line"><a name="l03351"></a><span class="lineno"> 3351</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="l03352"></a><span class="lineno"> 3352</span>  <span class="comment">// (good for shared memory parallelism)</span></div>
<div class="line"><a name="l03353"></a><span class="lineno"> 3353</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="l03354"></a><span class="lineno"> 3354</span>  </div>
<div class="line"><a name="l03355"></a><span class="lineno"> 3355</span>  <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03356"></a><span class="lineno"> 3356</span>  <span class="comment">// dimensions //</span></div>
<div class="line"><a name="l03357"></a><span class="lineno"> 3357</span>  <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03358"></a><span class="lineno"> 3358</span>  sizeHalfBlock = 1LL << (measureQubit); <span class="comment">// number of state vector elements to sum,</span></div>
<div class="line"><a name="l03359"></a><span class="lineno"> 3359</span>  <span class="comment">// and then the number to skip</span></div>
<div class="line"><a name="l03360"></a><span class="lineno"> 3360</span>  sizeBlock = 2LL * sizeHalfBlock; <span class="comment">// size of blocks (pairs of measure and skip entries)</span></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>  renorm=1/sqrt(totalProbability);</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>  </div>
<div class="line"><a name="l03367"></a><span class="lineno"> 3367</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03368"></a><span class="lineno"> 3368</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03369"></a><span class="lineno"> 3369</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03370"></a><span class="lineno"> 3370</span> <span class="preprocessor"> shared (numTasks,sizeBlock,sizeHalfBlock, stateVecReal,stateVecImag,renorm,outcome) \</span></div>
<div class="line"><a name="l03371"></a><span class="lineno"> 3371</span> <span class="preprocessor"> private (thisTask,thisBlock,index)</span></div>
<div class="line"><a name="l03372"></a><span class="lineno"> 3372</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03373"></a><span class="lineno"> 3373</span>  {</div>
<div class="line"><a name="l03374"></a><span class="lineno"> 3374</span>  <span class="keywordflow">if</span> (outcome==0){</div>
<div class="line"><a name="l03375"></a><span class="lineno"> 3375</span>  <span class="comment">// measure qubit is 0</span></div>
<div class="line"><a name="l03376"></a><span class="lineno"> 3376</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03377"></a><span class="lineno"> 3377</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03378"></a><span class="lineno"> 3378</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03379"></a><span class="lineno"> 3379</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l03380"></a><span class="lineno"> 3380</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l03381"></a><span class="lineno"> 3381</span>  index = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l03382"></a><span class="lineno"> 3382</span>  stateVecReal[index]=stateVecReal[index]*renorm;</div>
<div class="line"><a name="l03383"></a><span class="lineno"> 3383</span>  stateVecImag[index]=stateVecImag[index]*renorm;</div>
<div class="line"><a name="l03384"></a><span class="lineno"> 3384</span>  </div>
<div class="line"><a name="l03385"></a><span class="lineno"> 3385</span>  stateVecReal[index+sizeHalfBlock]=0;</div>
<div class="line"><a name="l03386"></a><span class="lineno"> 3386</span>  stateVecImag[index+sizeHalfBlock]=0;</div>
<div class="line"><a name="l03387"></a><span class="lineno"> 3387</span>  }</div>
<div class="line"><a name="l03388"></a><span class="lineno"> 3388</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l03389"></a><span class="lineno"> 3389</span>  <span class="comment">// measure qubit is 1</span></div>
<div class="line"><a name="l03390"></a><span class="lineno"> 3390</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03391"></a><span class="lineno"> 3391</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03392"></a><span class="lineno"> 3392</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03393"></a><span class="lineno"> 3393</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l03394"></a><span class="lineno"> 3394</span>  thisBlock = thisTask / sizeHalfBlock;</div>
<div class="line"><a name="l03395"></a><span class="lineno"> 3395</span>  index = thisBlock*sizeBlock + thisTask%sizeHalfBlock;</div>
<div class="line"><a name="l03396"></a><span class="lineno"> 3396</span>  stateVecReal[index]=0;</div>
<div class="line"><a name="l03397"></a><span class="lineno"> 3397</span>  stateVecImag[index]=0;</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>  stateVecReal[index+sizeHalfBlock]=stateVecReal[index+sizeHalfBlock]*renorm;</div>
<div class="line"><a name="l03400"></a><span class="lineno"> 3400</span>  stateVecImag[index+sizeHalfBlock]=stateVecImag[index+sizeHalfBlock]*renorm;</div>
<div class="line"><a name="l03401"></a><span class="lineno"> 3401</span>  }</div>
<div class="line"><a name="l03402"></a><span class="lineno"> 3402</span>  }</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>  </div>
<div class="line"><a name="l03405"></a><span class="lineno"> 3405</span> }</div>
<div class="line"><a name="l03406"></a><span class="lineno"> 3406</span>  </div>
<div class="line"><a name="l03422"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#acd82c94cfac89eacb901348ff0d06af8"> 3422</a></span> <span class="keywordtype">void</span> <a class="code" href="QuEST__cpu_8c.html#acd82c94cfac89eacb901348ff0d06af8">statevec_collapseToKnownProbOutcomeDistributedRenorm</a> (<a class="code" href="structQureg.html">Qureg</a> qureg, <span class="keyword">const</span> <span class="keywordtype">int</span> measureQubit, <span class="keyword">const</span> <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> totalProbability)</div>
<div class="line"><a name="l03423"></a><span class="lineno"> 3423</span> {</div>
<div class="line"><a name="l03424"></a><span class="lineno"> 3424</span>  <span class="comment">// ----- temp variables</span></div>
<div class="line"><a name="l03425"></a><span class="lineno"> 3425</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask; </div>
<div class="line"><a name="l03426"></a><span class="lineno"> 3426</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="l03427"></a><span class="lineno"> 3427</span>  </div>
<div class="line"><a name="l03428"></a><span class="lineno"> 3428</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> renorm=1/sqrt(totalProbability);</div>
<div class="line"><a name="l03429"></a><span class="lineno"> 3429</span>  </div>
<div class="line"><a name="l03430"></a><span class="lineno"> 3430</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="l03431"></a><span class="lineno"> 3431</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="l03432"></a><span class="lineno"> 3432</span>  </div>
<div class="line"><a name="l03433"></a><span class="lineno"> 3433</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03434"></a><span class="lineno"> 3434</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03435"></a><span class="lineno"> 3435</span> <span class="preprocessor"> shared (numTasks,stateVecReal,stateVecImag) \</span></div>
<div class="line"><a name="l03436"></a><span class="lineno"> 3436</span> <span class="preprocessor"> private (thisTask)</span></div>
<div class="line"><a name="l03437"></a><span class="lineno"> 3437</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03438"></a><span class="lineno"> 3438</span>  {</div>
<div class="line"><a name="l03439"></a><span class="lineno"> 3439</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03440"></a><span class="lineno"> 3440</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03441"></a><span class="lineno"> 3441</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03442"></a><span class="lineno"> 3442</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l03443"></a><span class="lineno"> 3443</span>  stateVecReal[thisTask] = stateVecReal[thisTask]*renorm;</div>
<div class="line"><a name="l03444"></a><span class="lineno"> 3444</span>  stateVecImag[thisTask] = stateVecImag[thisTask]*renorm;</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> }</div>
<div class="line"><a name="l03448"></a><span class="lineno"> 3448</span>  </div>
<div class="line"><a name="l03461"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#a7ea68e9132ed9db9c242353a33dba2f0"> 3461</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="l03462"></a><span class="lineno"> 3462</span> {</div>
<div class="line"><a name="l03463"></a><span class="lineno"> 3463</span>  <span class="comment">// ----- temp variables</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> thisTask; </div>
<div class="line"><a name="l03465"></a><span class="lineno"> 3465</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="l03466"></a><span class="lineno"> 3466</span>  </div>
<div class="line"><a name="l03467"></a><span class="lineno"> 3467</span>  <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03468"></a><span class="lineno"> 3468</span>  <span class="comment">// find probability //</span></div>
<div class="line"><a name="l03469"></a><span class="lineno"> 3469</span>  <span class="comment">// ---------------------------------------------------------------- //</span></div>
<div class="line"><a name="l03470"></a><span class="lineno"> 3470</span>  </div>
<div class="line"><a name="l03471"></a><span class="lineno"> 3471</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="l03472"></a><span class="lineno"> 3472</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="l03473"></a><span class="lineno"> 3473</span>  </div>
<div class="line"><a name="l03474"></a><span class="lineno"> 3474</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03475"></a><span class="lineno"> 3475</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03476"></a><span class="lineno"> 3476</span> <span class="preprocessor"> shared (numTasks,stateVecReal,stateVecImag) \</span></div>
<div class="line"><a name="l03477"></a><span class="lineno"> 3477</span> <span class="preprocessor"> private (thisTask)</span></div>
<div class="line"><a name="l03478"></a><span class="lineno"> 3478</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03479"></a><span class="lineno"> 3479</span>  {</div>
<div class="line"><a name="l03480"></a><span class="lineno"> 3480</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03481"></a><span class="lineno"> 3481</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03482"></a><span class="lineno"> 3482</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03483"></a><span class="lineno"> 3483</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) {</div>
<div class="line"><a name="l03484"></a><span class="lineno"> 3484</span>  stateVecReal[thisTask] = 0;</div>
<div class="line"><a name="l03485"></a><span class="lineno"> 3485</span>  stateVecImag[thisTask] = 0;</div>
<div class="line"><a name="l03486"></a><span class="lineno"> 3486</span>  }</div>
<div class="line"><a name="l03487"></a><span class="lineno"> 3487</span>  }</div>
<div class="line"><a name="l03488"></a><span class="lineno"> 3488</span> }</div>
<div class="line"><a name="l03489"></a><span class="lineno"> 3489</span>  </div>
<div class="line"><a name="l03496"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#ab5b51a28caa8792a3f0c637409a694b0"> 3496</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="l03497"></a><span class="lineno"> 3497</span>  </div>
<div class="line"><a name="l03498"></a><span class="lineno"> 3498</span>  <span class="comment">// can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l03499"></a><span class="lineno"> 3499</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="l03500"></a><span class="lineno"> 3500</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="l03501"></a><span class="lineno"> 3501</span>  </div>
<div class="line"><a name="l03502"></a><span class="lineno"> 3502</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="l03503"></a><span class="lineno"> 3503</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> thisTask;</div>
<div class="line"><a name="l03504"></a><span class="lineno"> 3504</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="l03505"></a><span class="lineno"> 3505</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> re01, re10;</div>
<div class="line"><a name="l03506"></a><span class="lineno"> 3506</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> im01, im10;</div>
<div class="line"><a name="l03507"></a><span class="lineno"> 3507</span>  </div>
<div class="line"><a name="l03508"></a><span class="lineno"> 3508</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03509"></a><span class="lineno"> 3509</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03510"></a><span class="lineno"> 3510</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03511"></a><span class="lineno"> 3511</span> <span class="preprocessor"> shared (reVec,imVec,numTasks,qb1,qb2) \</span></div>
<div class="line"><a name="l03512"></a><span class="lineno"> 3512</span> <span class="preprocessor"> private (thisTask, ind00,ind01,ind10, re01,re10, im01,im10) </span></div>
<div class="line"><a name="l03513"></a><span class="lineno"> 3513</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03514"></a><span class="lineno"> 3514</span>  {</div>
<div class="line"><a name="l03515"></a><span class="lineno"> 3515</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03516"></a><span class="lineno"> 3516</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03517"></a><span class="lineno"> 3517</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03518"></a><span class="lineno"> 3518</span>  <span class="keywordflow">for</span> (thisTask=0; thisTask<numTasks; thisTask++) { </div>
<div class="line"><a name="l03519"></a><span class="lineno"> 3519</span>  <span class="comment">// determine ind00 of |..0..0..>, |..0..1..> and |..1..0..></span></div>
<div class="line"><a name="l03520"></a><span class="lineno"> 3520</span>  ind00 = <a class="code" href="QuEST__gpu_8cu.html#a60b4893613de0cd6595f60cdec24999a">insertTwoZeroBits</a>(thisTask, qb1, qb2);</div>
<div class="line"><a name="l03521"></a><span class="lineno"> 3521</span>  ind01 = <a class="code" href="QuEST__gpu_8cu.html#a6aea6cf9c06d05a5765ad01311531627">flipBit</a>(ind00, qb1);</div>
<div class="line"><a name="l03522"></a><span class="lineno"> 3522</span>  ind10 = <a class="code" href="QuEST__gpu_8cu.html#a6aea6cf9c06d05a5765ad01311531627">flipBit</a>(ind00, qb2);</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">// extract statevec amplitudes </span></div>
<div class="line"><a name="l03525"></a><span class="lineno"> 3525</span>  re01 = reVec[ind01]; im01 = imVec[ind01];</div>
<div class="line"><a name="l03526"></a><span class="lineno"> 3526</span>  re10 = reVec[ind10]; im10 = imVec[ind10];</div>
<div class="line"><a name="l03527"></a><span class="lineno"> 3527</span>  </div>
<div class="line"><a name="l03528"></a><span class="lineno"> 3528</span>  <span class="comment">// swap 01 and 10 amps</span></div>
<div class="line"><a name="l03529"></a><span class="lineno"> 3529</span>  reVec[ind01] = re10; reVec[ind10] = re01;</div>
<div class="line"><a name="l03530"></a><span class="lineno"> 3530</span>  imVec[ind01] = im10; imVec[ind10] = im01;</div>
<div class="line"><a name="l03531"></a><span class="lineno"> 3531</span>  }</div>
<div class="line"><a name="l03532"></a><span class="lineno"> 3532</span>  }</div>
<div class="line"><a name="l03533"></a><span class="lineno"> 3533</span> }</div>
<div class="line"><a name="l03534"></a><span class="lineno"> 3534</span>  </div>
<div class="line"><a name="l03539"></a><span class="lineno"><a class="line" href="QuEST__cpu__internal_8h.html#abe74a5a9db8340e37b80fbc77338894d"> 3539</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="l03540"></a><span class="lineno"> 3540</span>  </div>
<div class="line"><a name="l03541"></a><span class="lineno"> 3541</span>  <span class="comment">// can't use qureg.stateVec as a private OMP var</span></div>
<div class="line"><a name="l03542"></a><span class="lineno"> 3542</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="l03543"></a><span class="lineno"> 3543</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="l03544"></a><span class="lineno"> 3544</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="l03545"></a><span class="lineno"> 3545</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="l03546"></a><span class="lineno"> 3546</span>  </div>
<div class="line"><a name="l03547"></a><span class="lineno"> 3547</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="l03548"></a><span class="lineno"> 3548</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="l03549"></a><span class="lineno"> 3549</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="l03550"></a><span class="lineno"> 3550</span>  </div>
<div class="line"><a name="l03551"></a><span class="lineno"> 3551</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> localInd, globalInd;</div>
<div class="line"><a name="l03552"></a><span class="lineno"> 3552</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> pairLocalInd, pairGlobalInd;</div>
<div class="line"><a name="l03553"></a><span class="lineno"> 3553</span>  </div>
<div class="line"><a name="l03554"></a><span class="lineno"> 3554</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03555"></a><span class="lineno"> 3555</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03556"></a><span class="lineno"> 3556</span> <span class="preprocessor"> default (none) \</span></div>
<div class="line"><a name="l03557"></a><span class="lineno"> 3557</span> <span class="preprocessor"> shared (reVec,imVec,rePairVec,imPairVec,numLocalAmps,globalStartInd,pairGlobalStartInd,qb1,qb2) \</span></div>
<div class="line"><a name="l03558"></a><span class="lineno"> 3558</span> <span class="preprocessor"> private (localInd,globalInd, pairLocalInd,pairGlobalInd) </span></div>
<div class="line"><a name="l03559"></a><span class="lineno"> 3559</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03560"></a><span class="lineno"> 3560</span>  {</div>
<div class="line"><a name="l03561"></a><span class="lineno"> 3561</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03562"></a><span class="lineno"> 3562</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03563"></a><span class="lineno"> 3563</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03564"></a><span class="lineno"> 3564</span>  <span class="keywordflow">for</span> (localInd=0; localInd < numLocalAmps; localInd++) { </div>
<div class="line"><a name="l03565"></a><span class="lineno"> 3565</span>  </div>
<div class="line"><a name="l03566"></a><span class="lineno"> 3566</span>  globalInd = globalStartInd + localInd;</div>
<div class="line"><a name="l03567"></a><span class="lineno"> 3567</span>  <span class="keywordflow">if</span> (<a class="code" href="QuEST__cpu__internal_8h.html#a8418d78ca5f729b8ad8b8e405aa512de">isOddParity</a>(globalInd, qb1, qb2)) {</div>
<div class="line"><a name="l03568"></a><span class="lineno"> 3568</span>  </div>
<div class="line"><a name="l03569"></a><span class="lineno"> 3569</span>  pairGlobalInd = <a class="code" href="QuEST__gpu_8cu.html#a6aea6cf9c06d05a5765ad01311531627">flipBit</a>(<a class="code" href="QuEST__gpu_8cu.html#a6aea6cf9c06d05a5765ad01311531627">flipBit</a>(globalInd, qb1), qb2);</div>
<div class="line"><a name="l03570"></a><span class="lineno"> 3570</span>  pairLocalInd = pairGlobalInd - pairGlobalStartInd;</div>
<div class="line"><a name="l03571"></a><span class="lineno"> 3571</span>  </div>
<div class="line"><a name="l03572"></a><span class="lineno"> 3572</span>  reVec[localInd] = rePairVec[pairLocalInd];</div>
<div class="line"><a name="l03573"></a><span class="lineno"> 3573</span>  imVec[localInd] = imPairVec[pairLocalInd];</div>
<div class="line"><a name="l03574"></a><span class="lineno"> 3574</span>  }</div>
<div class="line"><a name="l03575"></a><span class="lineno"> 3575</span>  }</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>  </div>
<div class="line"><a name="l03579"></a><span class="lineno"><a class="line" href="QuEST__cpu_8c.html#ad64a23933361fafc1b6b1787759c2663"> 3579</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="l03580"></a><span class="lineno"> 3580</span>  </div>
<div class="line"><a name="l03581"></a><span class="lineno"> 3581</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="l03582"></a><span class="lineno"> 3582</span>  </div>
<div class="line"><a name="l03583"></a><span class="lineno"> 3583</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="l03584"></a><span class="lineno"> 3584</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="l03585"></a><span class="lineno"> 3585</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="l03586"></a><span class="lineno"> 3586</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="l03587"></a><span class="lineno"> 3587</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="l03588"></a><span class="lineno"> 3588</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="l03589"></a><span class="lineno"> 3589</span>  </div>
<div class="line"><a name="l03590"></a><span class="lineno"> 3590</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="l03591"></a><span class="lineno"> 3591</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="l03592"></a><span class="lineno"> 3592</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="l03593"></a><span class="lineno"> 3593</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="l03594"></a><span class="lineno"> 3594</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="l03595"></a><span class="lineno"> 3595</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="l03596"></a><span class="lineno"> 3596</span>  </div>
<div class="line"><a name="l03597"></a><span class="lineno"> 3597</span>  <a class="code" href="group__type.html#ga7740e349b4f8bae6451547680f0ce2d6">qreal</a> re1,im1, re2,im2, reOut,imOut;</div>
<div class="line"><a name="l03598"></a><span class="lineno"> 3598</span>  <span class="keywordtype">long</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> index;</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="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03601"></a><span class="lineno"> 3601</span> <span class="preprocessor"># pragma omp parallel \</span></div>
<div class="line"><a name="l03602"></a><span class="lineno"> 3602</span> <span class="preprocessor"> shared (vecRe1,vecIm1, vecRe2,vecIm2, vecReOut,vecImOut, facRe1,facIm1,facRe2,facIm2, numAmps) \</span></div>
<div class="line"><a name="l03603"></a><span class="lineno"> 3603</span> <span class="preprocessor"> private (index, re1,im1, re2,im2, reOut,imOut)</span></div>
<div class="line"><a name="l03604"></a><span class="lineno"> 3604</span> <span class="preprocessor"># endif </span></div>
<div class="line"><a name="l03605"></a><span class="lineno"> 3605</span>  {</div>
<div class="line"><a name="l03606"></a><span class="lineno"> 3606</span> <span class="preprocessor"># ifdef _OPENMP</span></div>
<div class="line"><a name="l03607"></a><span class="lineno"> 3607</span> <span class="preprocessor"># pragma omp for schedule (static)</span></div>
<div class="line"><a name="l03608"></a><span class="lineno"> 3608</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l03609"></a><span class="lineno"> 3609</span>  <span class="keywordflow">for</span> (index=0LL; index<numAmps; index++) {</div>
<div class="line"><a name="l03610"></a><span class="lineno"> 3610</span>  re1 = vecRe1[index]; im1 = vecIm1[index];</div>
<div class="line"><a name="l03611"></a><span class="lineno"> 3611</span>  re2 = vecRe2[index]; im2 = vecIm2[index];</div>
<div class="line"><a name="l03612"></a><span class="lineno"> 3612</span>  reOut = vecReOut[index];</div>
<div class="line"><a name="l03613"></a><span class="lineno"> 3613</span>  imOut = vecImOut[index];</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>  vecReOut[index] = (facReOut*reOut - facImOut*imOut) + (facRe1*re1 - facIm1*im1) + (facRe2*re2 - facIm2*im2);</div>
<div class="line"><a name="l03616"></a><span class="lineno"> 3616</span>  vecImOut[index] = (facReOut*imOut + facImOut*reOut) + (facRe1*im1 + facIm1*re1) + (facRe2*im2 + facIm2*re2);</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>  }</div>
<div class="line"><a name="l03619"></a><span class="lineno"> 3619</span> }</div>
<div class="line"><a name="l03620"></a><span class="lineno"> 3620</span>  </div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="aQuEST__cpu_8c_html_a8972669148af60d7e1c09687f69673d4"><div class="ttname"><a href="QuEST__cpu_8c.html#a8972669148af60d7e1c09687f69673d4">statevec_phaseShiftByTerm</a></div><div class="ttdeci">void statevec_phaseShiftByTerm(Qureg qureg, const int targetQubit, Complex term)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02940">QuEST_cpu.c:2940</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#l01810">QuEST_cpu.c:1810</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#l00039">QuEST_cpu.c:39</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#l00127">QuEST.h:127</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#l00162">QuEST_cpu_distributed.c:162</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a24f9ade18290c82bbb2c4a706b3d5999"><div class="ttname"><a href="QuEST__cpu_8c.html#a24f9ade18290c82bbb2c4a706b3d5999">statevec_hadamardLocal</a></div><div class="ttdeci">void statevec_hadamardLocal(Qureg qureg, const int targetQubit)</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_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#l00922">QuEST_cpu.c:922</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ac497197e66d7024fc6bf7ace120b3de5"><div class="ttname"><a href="QuEST__cpu_8c.html#ac497197e66d7024fc6bf7ace120b3de5">densmatr_mixTwoQubitDepolarisingDistributed</a></div><div class="ttdeci">void densmatr_mixTwoQubitDepolarisingDistributed(Qureg qureg, const int targetQubit, const int qubit2, qreal delta, qreal gamma)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00540">QuEST_cpu.c:540</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#l00201">QuEST.h:201</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a97f17a0969e16f9ce9b55abd46bd732a"><div class="ttname"><a href="QuEST__cpu_8c.html#a97f17a0969e16f9ce9b55abd46bd732a">statevec_controlledNotDistributed</a></div><div class="ttdeci">void statevec_controlledNotDistributed(Qureg qureg, const 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#l02612">QuEST_cpu.c:2612</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_adeb715f3f2c167f9bfbe92b75f5988ce"><div class="ttname"><a href="QuEST__cpu_8c.html#adeb715f3f2c167f9bfbe92b75f5988ce">statevec_controlledPhaseShift</a></div><div class="ttdeci">void statevec_controlledPhaseShift(Qureg qureg, const int idQubit1, const int idQubit2, qreal angle)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02980">QuEST_cpu.c:2980</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#l01114">QuEST_cpu.c:1114</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a7c0067cb9f243ead20de7392aea328bc"><div class="ttname"><a href="QuEST__cpu_8c.html#a7c0067cb9f243ead20de7392aea328bc">statevec_controlledPhaseFlip</a></div><div class="ttdeci">void statevec_controlledPhaseFlip(Qureg qureg, const int idQubit1, const int idQubit2)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03260">QuEST_cpu.c:3260</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#l00181">QuEST.h:181</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#l01559">QuEST_cpu.c:1559</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#l03222">QuEST_cpu.c:3222</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_aa7f5f0bf7fa945d46eb51e79e00a8dfd"><div class="ttname"><a href="QuEST__cpu_8c.html#aa7f5f0bf7fa945d46eb51e79e00a8dfd">statevec_multiControlledTwoQubitUnitaryLocal</a></div><div class="ttdeci">void statevec_multiControlledTwoQubitUnitaryLocal(Qureg qureg, long long int ctrlMask, const int q1, const int q2, ComplexMatrix4 u)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01715">QuEST_cpu.c:1715</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_af82f6c9317f51a2048ddd3eb24c2959c"><div class="ttname"><a href="QuEST__cpu_8c.html#af82f6c9317f51a2048ddd3eb24c2959c">densmatr_mixTwoQubitDepolarisingQ1LocalQ2DistributedPart3</a></div><div class="ttdeci">void densmatr_mixTwoQubitDepolarisingQ1LocalQ2DistributedPart3(Qureg qureg, const int targetQubit, const int qubit2, qreal delta, qreal gamma)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00631">QuEST_cpu.c:631</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#l00176">QuEST.h:176</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#l03496">QuEST_cpu.c:3496</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#l03060">QuEST_cpu.c:3060</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#l03340">QuEST_cpu.c:3340</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#l01474">QuEST_cpu.c:1474</a></div></div>
<div class="ttc" id="aQuEST__gpu_8cu_html_a5cb8662afc6c644a46f7339c89bfd226"><div class="ttname"><a href="QuEST__gpu_8cu.html#a5cb8662afc6c644a46f7339c89bfd226">extractBit</a></div><div class="ttdeci">__forceinline__ __device__ int extractBit(int locationOfBitFromRight, 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_afa06d0143cea46f1e425c61ac6f6f9a2"><div class="ttname"><a href="QuEST__cpu_8c.html#afa06d0143cea46f1e425c61ac6f6f9a2">statevec_findProbabilityOfZeroLocal</a></div><div class="ttdeci">qreal statevec_findProbabilityOfZeroLocal(Qureg qureg, const 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#l03166">QuEST_cpu.c:3166</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#l01236">QuEST_cpu.c:1236</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#l00860">QuEST_cpu.c:860</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#l00125">QuEST.h:125</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#l00199">QuEST.h:199</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#l01366">QuEST_cpu.c:1366</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#l00136">QuEST.h:136</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#l01438">QuEST_cpu.c:1438</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#l02522">QuEST_cpu.c:2522</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_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#l03019">QuEST_cpu.c:3019</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#l00167">QuEST.h:167</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a11c9685e4ad1f44cfd6243e0c4435893"><div class="ttname"><a href="QuEST__cpu_8c.html#a11c9685e4ad1f44cfd6243e0c4435893">statevec_controlledNotLocal</a></div><div class="ttdeci">void statevec_controlledNotLocal(Qureg qureg, const int controlQubit, const int targetQubit)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02550">QuEST_cpu.c:2550</a></div></div>
<div class="ttc" id="aQuEST__gpu_8cu_html_a60b4893613de0cd6595f60cdec24999a"><div class="ttname"><a href="QuEST__gpu_8cu.html#a60b4893613de0cd6595f60cdec24999a">insertTwoZeroBits</a></div><div class="ttdeci">__forceinline__ __device__ long long int insertTwoZeroBits(long long int number, int bit1, 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="aQuEST__common_8c_html_abd1285091450c7c2806cc26c71eb5df2"><div class="ttname"><a href="QuEST__common_8c.html#abd1285091450c7c2806cc26c71eb5df2">getQubitBitMask</a></div><div class="ttdeci">long long int getQubitBitMask(int *qubits, const int numQubits)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__common_8c_source.html#l00043">QuEST_common.c:43</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="ttdoc">Set all amplitudes in one chunk to 0.</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03461">QuEST_cpu.c:3461</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#l00174">QuEST.h:174</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a7cc805451304b8ad4429c7107f90ab3b"><div class="ttname"><a href="QuEST__cpu_8c.html#a7cc805451304b8ad4429c7107f90ab3b">densmatr_mixDampingLocal</a></div><div class="ttdeci">void densmatr_mixDampingLocal(Qureg qureg, const int targetQubit, qreal damping)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00174">QuEST_cpu.c:174</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a5090b080392ab9be8fcf538161d4e5c1"><div class="ttname"><a href="QuEST__cpu_8c.html#a5090b080392ab9be8fcf538161d4e5c1">densmatr_mixTwoQubitDephasing</a></div><div class="ttdeci">void densmatr_mixTwoQubitDephasing(Qureg qureg, const int qubit1, const int qubit2, qreal dephase)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00084">QuEST_cpu.c:84</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#l00117">QuEST.h:117</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ae757d3b816aa7ba7bea13334a9b77441"><div class="ttname"><a href="QuEST__cpu_8c.html#ae757d3b816aa7ba7bea13334a9b77441">statevec_multiControlledUnitaryLocal</a></div><div class="ttdeci">void statevec_multiControlledUnitaryLocal(Qureg qureg, const 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#l02140">QuEST_cpu.c:2140</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__cpu_8c_html_a0e5527c6e144fab8062ea5296e8bdf2a"><div class="ttname"><a href="QuEST__cpu_8c.html#a0e5527c6e144fab8062ea5296e8bdf2a">statevec_controlledCompactUnitaryLocal</a></div><div class="ttdeci">void statevec_controlledCompactUnitaryLocal(Qureg qureg, const int controlQubit, const int targetQubit, Complex alpha, Complex beta)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02069">QuEST_cpu.c:2069</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#l00170">QuEST.h:170</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#l00385">QuEST_cpu.c:385</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#l01396">QuEST_cpu.c:1396</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#l01406">QuEST_cpu.c:1406</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#l01278">QuEST_cpu.c:1278</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_acc485aea8dccf1678f80fa9c5df6724a"><div class="ttname"><a href="QuEST__cpu_8c.html#acc485aea8dccf1678f80fa9c5df6724a">densmatr_mixDepolarisingDistributed</a></div><div class="ttdeci">void densmatr_mixDepolarisingDistributed(Qureg qureg, const int targetQubit, qreal depolLevel)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00224">QuEST_cpu.c:224</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#l00889">QuEST_cpu.c:889</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#l00036">QuEST_cpu.c:36</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ab14681cbcc8f530333a9570328886b32"><div class="ttname"><a href="QuEST__cpu_8c.html#ab14681cbcc8f530333a9570328886b32">statevec_controlledUnitaryDistributed</a></div><div class="ttdeci">void statevec_controlledUnitaryDistributed(Qureg qureg, const 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#l02347">QuEST_cpu.c:2347</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#l00753">QuEST_cpu.c:753</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#l00202">QuEST.h:202</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#l01969">QuEST_cpu.c:1969</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#l00128">QuEST.h:128</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_aa5865e66a6e0993ae17d400c9ee0eb43"><div class="ttname"><a href="QuEST__cpu_8c.html#aa5865e66a6e0993ae17d400c9ee0eb43">statevec_compactUnitaryLocal</a></div><div class="ttdeci">void statevec_compactUnitaryLocal(Qureg qureg, const int targetQubit, Complex alpha, Complex beta)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01656">QuEST_cpu.c:1656</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a101e7ef38c5d654a697dafe14562dcee"><div class="ttname"><a href="QuEST__cpu_8c.html#a101e7ef38c5d654a697dafe14562dcee">densmatr_findProbabilityOfZeroLocal</a></div><div class="ttdeci">qreal densmatr_findProbabilityOfZeroLocal(Qureg qureg, const int measureQubit)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l03111">QuEST_cpu.c:3111</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#l00743">QuEST_cpu.c:743</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a6870e335f2a78b724f603cd9f820b9ab"><div class="ttname"><a href="QuEST__cpu_8c.html#a6870e335f2a78b724f603cd9f820b9ab">statevec_getEnvironmentString</a></div><div class="ttdeci">void statevec_getEnvironmentString(QuESTEnv env, Qureg qureg, char str[200])</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01358">QuEST_cpu.c:1358</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#l00139">QuEST.h:139</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a891358c784d97101f9fcdffbb5ebe00e"><div class="ttname"><a href="QuEST__cpu_8c.html#a891358c784d97101f9fcdffbb5ebe00e">densmatr_collapseToKnownProbOutcome</a></div><div class="ttdeci">void densmatr_collapseToKnownProbOutcome(Qureg qureg, const 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#l00784">QuEST_cpu.c:784</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#l01183">QuEST_cpu.c:1183</a></div></div>
<div class="ttc" id="aQuEST__gpu_8cu_html_a6aea6cf9c06d05a5765ad01311531627"><div class="ttname"><a href="QuEST__gpu_8cu.html#a6aea6cf9c06d05a5765ad01311531627">flipBit</a></div><div class="ttdeci">__forceinline__ __device__ long long int flipBit(long long int number, 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_acd82c94cfac89eacb901348ff0d06af8"><div class="ttname"><a href="QuEST__cpu_8c.html#acd82c94cfac89eacb901348ff0d06af8">statevec_collapseToKnownProbOutcomeDistributedRenorm</a></div><div class="ttdeci">void statevec_collapseToKnownProbOutcomeDistributedRenorm(Qureg qureg, const int measureQubit, const 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#l03422">QuEST_cpu.c:3422</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a1807899a1c39506427433739562670ec"><div class="ttname"><a href="QuEST__cpu_8c.html#a1807899a1c39506427433739562670ec">densmatr_mixDepolarisingLocal</a></div><div class="ttdeci">void densmatr_mixDepolarisingLocal(Qureg qureg, const int targetQubit, qreal depolLevel)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00125">QuEST_cpu.c:125</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#l00160">QuEST.h:160</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#l00957">QuEST_cpu.c:957</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a842aaecd6d6cdc194c0b7c84623d2111"><div class="ttname"><a href="QuEST__cpu_8c.html#a842aaecd6d6cdc194c0b7c84623d2111">statevec_pauliXLocal</a></div><div class="ttdeci">void statevec_pauliXLocal(Qureg qureg, const int targetQubit)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02464">QuEST_cpu.c:2464</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#l00140">QuEST.h:140</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_ac0c120ac374b402c576c4b38bcda9992"><div class="ttname"><a href="QuEST__cpu_8c.html#ac0c120ac374b402c576c4b38bcda9992">statevec_controlledUnitaryLocal</a></div><div class="ttdeci">void statevec_controlledUnitaryLocal(Qureg qureg, const int controlQubit, const int targetQubit, ComplexMatrix2 u)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02207">QuEST_cpu.c:2207</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#l02024">QuEST_cpu.c:2024</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#l01643">QuEST_cpu.c:1643</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#l03291">QuEST_cpu.c:3291</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#l00179">QuEST.h:179</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a9f62ff38deae8ef012024d416d749c00"><div class="ttname"><a href="QuEST__cpu_8c.html#a9f62ff38deae8ef012024d416d749c00">statevec_unitaryLocal</a></div><div class="ttdeci">void statevec_unitaryLocal(Qureg qureg, const int targetQubit, ComplexMatrix2 u)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01900">QuEST_cpu.c:1900</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#l00116">QuEST.h:116</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a623e5479f5dd45e87fe2acef55620771"><div class="ttname"><a href="QuEST__cpu_8c.html#a623e5479f5dd45e87fe2acef55620771">statevec_multiControlledUnitaryDistributed</a></div><div class="ttdeci">void statevec_multiControlledUnitaryDistributed(Qureg qureg, const 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#l02413">QuEST_cpu.c:2413</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#l00163">QuEST.h:163</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a515b6a920b1715d4eae25dcf29f39b95"><div class="ttname"><a href="QuEST__cpu_8c.html#a515b6a920b1715d4eae25dcf29f39b95">densmatr_mixDephasing</a></div><div class="ttdeci">void densmatr_mixDephasing(Qureg qureg, const int targetQubit, qreal dephase)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00079">QuEST_cpu.c:79</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a3ad35691d74b79e759c0fc53862c68b5"><div class="ttname"><a href="QuEST__cpu_8c.html#a3ad35691d74b79e759c0fc53862c68b5">statevec_controlledPauliYDistributed</a></div><div class="ttdeci">void statevec_controlledPauliYDistributed(Qureg qureg, const int controlQubit, ComplexArray stateVecIn, ComplexArray stateVecOut, const int conjFac)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02793">QuEST_cpu.c:2793</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#l00138">QuEST.h:138</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a8edf5f2066b05fb343931f45e2bec8f8"><div class="ttname"><a href="QuEST__cpu_8c.html#a8edf5f2066b05fb343931f45e2bec8f8">statevec_pauliYLocal</a></div><div class="ttdeci">void statevec_pauliYLocal(Qureg qureg, const int targetQubit, const int conjFac)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02647">QuEST_cpu.c:2647</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_acc5726bc7f899d5fd85454ffcc64f60c"><div class="ttname"><a href="QuEST__cpu_8c.html#acc5726bc7f899d5fd85454ffcc64f60c">statevec_multiControlledMultiQubitUnitaryLocal</a></div><div class="ttdeci">void statevec_multiControlledMultiQubitUnitaryLocal(Qureg qureg, long long int ctrlMask, int *targs, const int numTargs, ComplexMatrixN u)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l01814">QuEST_cpu.c:1814</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#l01316">QuEST_cpu.c:1316</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#l00487">QuEST_cpu.c:487</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#l03069">QuEST_cpu.c:3069</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#l00165">QuEST.h:165</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#l00172">QuEST.h:172</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#l03539">QuEST_cpu.c:3539</a></div></div>
<div class="ttc" id="aQuEST__cpu__internal_8h_html_a8418d78ca5f729b8ad8b8e405aa512de"><div class="ttname"><a href="QuEST__cpu__internal_8h.html#a8418d78ca5f729b8ad8b8e405aa512de">isOddParity</a></div><div class="ttdeci">static int isOddParity(long long int number, int qb1, 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_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#l01593">QuEST_cpu.c:1593</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__gpu_8cu_html_a4536acc227ff24e63aaf47b2b42e765f"><div class="ttname"><a href="QuEST__gpu_8cu.html#a4536acc227ff24e63aaf47b2b42e765f">insertZeroBit</a></div><div class="ttdeci">__forceinline__ __device__ long long int insertZeroBit(long long int number, 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="aQuEST__cpu_8c_html_a3528cf8d741807987d8150d59ccb1ba3"><div class="ttname"><a href="QuEST__cpu_8c.html#a3528cf8d741807987d8150d59ccb1ba3">statevec_pauliYDistributed</a></div><div class="ttdeci">void statevec_pauliYDistributed(Qureg qureg, ComplexArray stateVecIn, ComplexArray stateVecOut, int updateUpper, const 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#l02704">QuEST_cpu.c:2704</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a230eea38971f36de8f5437b1f47aaf3e"><div class="ttname"><a href="QuEST__cpu_8c.html#a230eea38971f36de8f5437b1f47aaf3e">statevec_controlledCompactUnitaryDistributed</a></div><div class="ttdeci">void statevec_controlledCompactUnitaryDistributed(Qureg qureg, const 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#l02285">QuEST_cpu.c:2285</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#l02894">QuEST_cpu.c:2894</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a9028deac63419d71d523f73229a7bd84"><div class="ttname"><a href="QuEST__cpu_8c.html#a9028deac63419d71d523f73229a7bd84">statevec_controlledPauliYLocal</a></div><div class="ttdeci">void statevec_controlledPauliYLocal(Qureg qureg, const int controlQubit, const int targetQubit, const int conjFac)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l02740">QuEST_cpu.c:2740</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#l01334">QuEST_cpu.c:1334</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#l03579">QuEST_cpu.c:3579</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#l01153">QuEST_cpu.c:1153</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#l01513">QuEST_cpu.c:1513</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a28d2a35fde2952211f5898a76275d93d"><div class="ttname"><a href="QuEST__cpu_8c.html#a28d2a35fde2952211f5898a76275d93d">densmatr_mixDampingDistributed</a></div><div class="ttdeci">void densmatr_mixDampingDistributed(Qureg qureg, const int targetQubit, qreal damping)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00299">QuEST_cpu.c:299</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#l01070">QuEST_cpu.c:1070</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#l00114">QuEST.h:114</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#l00733">QuEST_cpu.c:733</a></div></div>
<div class="ttc" id="aQuEST__cpu_8c_html_a4b578690aa76d1e9cac9dc964d713f38"><div class="ttname"><a href="QuEST__cpu_8c.html#a4b578690aa76d1e9cac9dc964d713f38">densmatr_oneQubitDegradeOffDiagonal</a></div><div class="ttdeci">void densmatr_oneQubitDegradeOffDiagonal(Qureg qureg, const int targetQubit, qreal retain)</div><div class="ttdef"><b>Definition:</b> <a href="QuEST__cpu_8c_source.html#l00048">QuEST_cpu.c:48</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#l00989">QuEST_cpu.c:989</a></div></div>
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