clfft 0.3.2

Bindings for clFFT, a FFT library for OpenCL.
Documentation 
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</pre><pre class="rust ">
<span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">usize</span>, <span class="ident">u8</span>, <span class="ident">u16</span>, <span class="ident">u32</span>, <span class="ident">u64</span>};
<span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">isize</span>, <span class="ident">i8</span>, <span class="ident">i16</span>, <span class="ident">i32</span>, <span class="ident">i64</span>};
<span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">num</span>::<span class="ident">Wrapping</span>;

<span class="doccomment">/// Numbers which have upper and lower bounds</span>
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Bounded</span> {
    <span class="comment">// FIXME (#5527): These should be associated constants</span>
    <span class="doccomment">/// returns the smallest finite number this type can represent</span>
    <span class="kw">fn</span> <span class="ident">min_value</span>() <span class="op">-&gt;</span> <span class="self">Self</span>;
    <span class="doccomment">/// returns the largest finite number this type can represent</span>
    <span class="kw">fn</span> <span class="ident">max_value</span>() <span class="op">-&gt;</span> <span class="self">Self</span>;
}

<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">bounded_impl</span> {
    (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">t</span>:<span class="ident">ty</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">min</span>:<span class="ident">expr</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">max</span>:<span class="ident">expr</span>) <span class="op">=&gt;</span> {
        <span class="kw">impl</span> <span class="ident">Bounded</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">t</span> {
            <span class="attribute">#[<span class="ident">inline</span>]</span>
            <span class="kw">fn</span> <span class="ident">min_value</span>() <span class="op">-&gt;</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">t</span> { <span class="macro-nonterminal">$</span><span class="macro-nonterminal">min</span> }

            <span class="attribute">#[<span class="ident">inline</span>]</span>
            <span class="kw">fn</span> <span class="ident">max_value</span>() <span class="op">-&gt;</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">t</span> { <span class="macro-nonterminal">$</span><span class="macro-nonterminal">max</span> }
        }
    }
}

<span class="macro">bounded_impl</span><span class="macro">!</span>(<span class="ident">usize</span>, <span class="ident">usize</span>::<span class="ident">MIN</span>, <span class="ident">usize</span>::<span class="ident">MAX</span>);
<span class="macro">bounded_impl</span><span class="macro">!</span>(<span class="ident">u8</span>,    <span class="ident">u8</span>::<span class="ident">MIN</span>,    <span class="ident">u8</span>::<span class="ident">MAX</span>);
<span class="macro">bounded_impl</span><span class="macro">!</span>(<span class="ident">u16</span>,   <span class="ident">u16</span>::<span class="ident">MIN</span>,   <span class="ident">u16</span>::<span class="ident">MAX</span>);
<span class="macro">bounded_impl</span><span class="macro">!</span>(<span class="ident">u32</span>,   <span class="ident">u32</span>::<span class="ident">MIN</span>,   <span class="ident">u32</span>::<span class="ident">MAX</span>);
<span class="macro">bounded_impl</span><span class="macro">!</span>(<span class="ident">u64</span>,   <span class="ident">u64</span>::<span class="ident">MIN</span>,   <span class="ident">u64</span>::<span class="ident">MAX</span>);

<span class="macro">bounded_impl</span><span class="macro">!</span>(<span class="ident">isize</span>, <span class="ident">isize</span>::<span class="ident">MIN</span>, <span class="ident">isize</span>::<span class="ident">MAX</span>);
<span class="macro">bounded_impl</span><span class="macro">!</span>(<span class="ident">i8</span>,    <span class="ident">i8</span>::<span class="ident">MIN</span>,    <span class="ident">i8</span>::<span class="ident">MAX</span>);
<span class="macro">bounded_impl</span><span class="macro">!</span>(<span class="ident">i16</span>,   <span class="ident">i16</span>::<span class="ident">MIN</span>,   <span class="ident">i16</span>::<span class="ident">MAX</span>);
<span class="macro">bounded_impl</span><span class="macro">!</span>(<span class="ident">i32</span>,   <span class="ident">i32</span>::<span class="ident">MIN</span>,   <span class="ident">i32</span>::<span class="ident">MAX</span>);
<span class="macro">bounded_impl</span><span class="macro">!</span>(<span class="ident">i64</span>,   <span class="ident">i64</span>::<span class="ident">MIN</span>,   <span class="ident">i64</span>::<span class="ident">MAX</span>);

<span class="kw">impl</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">Bounded</span><span class="op">&gt;</span> <span class="ident">Bounded</span> <span class="kw">for</span> <span class="ident">Wrapping</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
    <span class="kw">fn</span> <span class="ident">min_value</span>() <span class="op">-&gt;</span> <span class="self">Self</span> { <span class="ident">Wrapping</span>(<span class="ident">T</span>::<span class="ident">min_value</span>()) }
    <span class="kw">fn</span> <span class="ident">max_value</span>() <span class="op">-&gt;</span> <span class="self">Self</span> { <span class="ident">Wrapping</span>(<span class="ident">T</span>::<span class="ident">max_value</span>()) }
}

<span class="macro">bounded_impl</span><span class="macro">!</span>(<span class="ident">f32</span>, <span class="ident">f32</span>::<span class="ident">MIN</span>, <span class="ident">f32</span>::<span class="ident">MAX</span>);

<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">for_each_tuple_</span> {
    ( <span class="macro-nonterminal">$</span><span class="macro-nonterminal">m</span>:<span class="ident">ident</span> <span class="op">!</span><span class="op">!</span> ) <span class="op">=&gt;</span> (
        <span class="macro-nonterminal">$</span><span class="macro-nonterminal">m</span><span class="op">!</span> { }
    );
    ( <span class="macro-nonterminal">$</span><span class="macro-nonterminal">m</span>:<span class="ident">ident</span> <span class="op">!</span><span class="op">!</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">h</span>:<span class="ident">ident</span>, $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">t</span>:<span class="ident">ident</span>,)<span class="op">*</span> ) <span class="op">=&gt;</span> (
        <span class="macro-nonterminal">$</span><span class="macro-nonterminal">m</span><span class="op">!</span> { <span class="macro-nonterminal">$</span><span class="macro-nonterminal">h</span> $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">t</span>)<span class="op">*</span> }
        <span class="macro">for_each_tuple_</span><span class="macro">!</span> { <span class="macro-nonterminal">$</span><span class="macro-nonterminal">m</span> <span class="op">!</span><span class="op">!</span> $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">t</span>,)<span class="op">*</span> }
    );
}
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">for_each_tuple</span> {
    ( <span class="macro-nonterminal">$</span><span class="macro-nonterminal">m</span>:<span class="ident">ident</span> ) <span class="op">=&gt;</span> (
        <span class="macro">for_each_tuple_</span><span class="macro">!</span> { <span class="macro-nonterminal">$</span><span class="macro-nonterminal">m</span> <span class="op">!</span><span class="op">!</span> <span class="ident">A</span>, <span class="ident">B</span>, <span class="ident">C</span>, <span class="ident">D</span>, <span class="ident">E</span>, <span class="ident">F</span>, <span class="ident">G</span>, <span class="ident">H</span>, <span class="ident">I</span>, <span class="ident">J</span>, <span class="ident">K</span>, <span class="ident">L</span>, <span class="ident">M</span>, <span class="ident">N</span>, <span class="ident">O</span>, <span class="ident">P</span>, <span class="ident">Q</span>, <span class="ident">R</span>, <span class="ident">S</span>, <span class="ident">T</span>, }
    );
}

<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">bounded_tuple</span> {
    ( $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">name</span>:<span class="ident">ident</span>)<span class="op">*</span> ) <span class="op">=&gt;</span> (
        <span class="kw">impl</span><span class="op">&lt;</span>$(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">name</span>: <span class="ident">Bounded</span>,)<span class="kw-2">*</span><span class="op">&gt;</span> <span class="ident">Bounded</span> <span class="kw">for</span> ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">name</span>,)<span class="kw-2">*</span>) {
            <span class="attribute">#[<span class="ident">inline</span>]</span>
            <span class="kw">fn</span> <span class="ident">min_value</span>() <span class="op">-&gt;</span> <span class="self">Self</span> {
                ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">name</span>::<span class="ident">min_value</span>(),)<span class="kw-2">*</span>)
            }
            <span class="attribute">#[<span class="ident">inline</span>]</span>
            <span class="kw">fn</span> <span class="ident">max_value</span>() <span class="op">-&gt;</span> <span class="self">Self</span> {
                ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">name</span>::<span class="ident">max_value</span>(),)<span class="kw-2">*</span>)
            }
        }
    );
}

<span class="macro">for_each_tuple</span><span class="macro">!</span>(<span class="ident">bounded_tuple</span>);
<span class="macro">bounded_impl</span><span class="macro">!</span>(<span class="ident">f64</span>, <span class="ident">f64</span>::<span class="ident">MIN</span>, <span class="ident">f64</span>::<span class="ident">MAX</span>);


<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">test_wrapping_bounded</span> {
    ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">t</span>:<span class="ident">ty</span>)<span class="op">+</span>) <span class="op">=&gt;</span> {
        $(
            <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Wrapping</span>::<span class="op">&lt;</span><span class="macro-nonterminal">$</span><span class="macro-nonterminal">t</span><span class="op">&gt;</span>::<span class="ident">min_value</span>().<span class="number">0</span>, <span class="op">&lt;</span><span class="macro-nonterminal">$</span><span class="macro-nonterminal">t</span><span class="op">&gt;</span>::<span class="ident">min_value</span>());
            <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Wrapping</span>::<span class="op">&lt;</span><span class="macro-nonterminal">$</span><span class="macro-nonterminal">t</span><span class="op">&gt;</span>::<span class="ident">max_value</span>().<span class="number">0</span>, <span class="op">&lt;</span><span class="macro-nonterminal">$</span><span class="macro-nonterminal">t</span><span class="op">&gt;</span>::<span class="ident">max_value</span>());
        )<span class="op">+</span>   
    };
}

<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">wrapping_bounded</span>() {
    <span class="macro">test_wrapping_bounded</span><span class="macro">!</span>(<span class="ident">usize</span> <span class="ident">u8</span> <span class="ident">u16</span> <span class="ident">u32</span> <span class="ident">u64</span> <span class="ident">isize</span> <span class="ident">i8</span> <span class="ident">i16</span> <span class="ident">i32</span> <span class="ident">i64</span>);
}

<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">wrapping_is_bounded</span>() {
    <span class="kw">fn</span> <span class="ident">require_bounded</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">Bounded</span><span class="op">&gt;</span>(_: <span class="kw-2">&amp;</span><span class="ident">T</span>) {}
    <span class="ident">require_bounded</span>(<span class="kw-2">&amp;</span><span class="ident">Wrapping</span>(<span class="number">42_u32</span>));
    <span class="ident">require_bounded</span>(<span class="kw-2">&amp;</span><span class="ident">Wrapping</span>(<span class="op">-</span><span class="number">42</span>));
}
</pre>
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