trait.FloatCore.html 91 KB

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  25. <p class='location'>Trait FloatCore</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.infinity">infinity</a><a href="#tymethod.neg_infinity">neg_infinity</a><a href="#tymethod.nan">nan</a><a href="#tymethod.neg_zero">neg_zero</a><a href="#tymethod.min_value">min_value</a><a href="#tymethod.min_positive_value">min_positive_value</a><a href="#tymethod.epsilon">epsilon</a><a href="#tymethod.max_value">max_value</a><a href="#tymethod.classify">classify</a><a href="#tymethod.to_degrees">to_degrees</a><a href="#tymethod.to_radians">to_radians</a><a href="#tymethod.integer_decode">integer_decode</a></div><a class="sidebar-title" href="#provided-methods">Provided Methods</a><div class="sidebar-links"><a href="#method.is_nan">is_nan</a><a href="#method.is_infinite">is_infinite</a><a href="#method.is_finite">is_finite</a><a href="#method.is_normal">is_normal</a><a href="#method.floor">floor</a><a href="#method.ceil">ceil</a><a href="#method.round">round</a><a href="#method.trunc">trunc</a><a href="#method.fract">fract</a><a href="#method.abs">abs</a><a href="#method.signum">signum</a><a href="#method.is_sign_positive">is_sign_positive</a><a href="#method.is_sign_negative">is_sign_negative</a><a href="#method.min">min</a><a href="#method.max">max</a><a href="#method.recip">recip</a><a href="#method.powi">powi</a></div><a class="sidebar-title" href="#foreign-impls">Implementations on Foreign Types</a><div class="sidebar-links"><a href="#impl-FloatCore">f32</a><a href="#impl-FloatCore">f64</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='../index.html'>num_traits</a>::<wbr><a href='index.html'>float</a></p><script>window.sidebarCurrent = {name: 'FloatCore', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script></div>
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  45. <h1 class='fqn'><span class='in-band'>Trait <a href='../index.html'>num_traits</a>::<wbr><a href='index.html'>float</a>::<wbr><a class="trait" href=''>FloatCore</a></span><span class='out-of-band'><span id='render-detail'>
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  47. [<span class='inner'>&#x2212;</span>]
  48. </a>
  49. </span><a class='srclink' href='../../src/num_traits/float.rs.html#13-736' title='goto source code'>[src]</a></span></h1>
  50. <pre class='rust trait'>pub trait FloatCore: <a class="trait" href="../../num_traits/trait.Num.html" title="trait num_traits::Num">Num</a> + <a class="trait" href="../../num_traits/cast/trait.NumCast.html" title="trait num_traits::cast::NumCast">NumCast</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/arith/trait.Neg.html" title="trait core::ops::arith::Neg">Neg</a>&lt;Output = Self&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a> {
  51. fn <a href='#tymethod.infinity' class='fnname'>infinity</a>() -&gt; Self;
  52. <div class='item-spacer'></div> fn <a href='#tymethod.neg_infinity' class='fnname'>neg_infinity</a>() -&gt; Self;
  53. <div class='item-spacer'></div> fn <a href='#tymethod.nan' class='fnname'>nan</a>() -&gt; Self;
  54. <div class='item-spacer'></div> fn <a href='#tymethod.neg_zero' class='fnname'>neg_zero</a>() -&gt; Self;
  55. <div class='item-spacer'></div> fn <a href='#tymethod.min_value' class='fnname'>min_value</a>() -&gt; Self;
  56. <div class='item-spacer'></div> fn <a href='#tymethod.min_positive_value' class='fnname'>min_positive_value</a>() -&gt; Self;
  57. <div class='item-spacer'></div> fn <a href='#tymethod.epsilon' class='fnname'>epsilon</a>() -&gt; Self;
  58. <div class='item-spacer'></div> fn <a href='#tymethod.max_value' class='fnname'>max_value</a>() -&gt; Self;
  59. <div class='item-spacer'></div> fn <a href='#tymethod.classify' class='fnname'>classify</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/num/enum.FpCategory.html" title="enum core::num::FpCategory">FpCategory</a>;
  60. <div class='item-spacer'></div> fn <a href='#tymethod.to_degrees' class='fnname'>to_degrees</a>(self) -&gt; Self;
  61. <div class='item-spacer'></div> fn <a href='#tymethod.to_radians' class='fnname'>to_radians</a>(self) -&gt; Self;
  62. <div class='item-spacer'></div> fn <a href='#tymethod.integer_decode' class='fnname'>integer_decode</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;
  63. fn <a href='#method.is_nan' class='fnname'>is_nan</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a> { ... }
  64. <div class='item-spacer'></div> fn <a href='#method.is_infinite' class='fnname'>is_infinite</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a> { ... }
  65. <div class='item-spacer'></div> fn <a href='#method.is_finite' class='fnname'>is_finite</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a> { ... }
  66. <div class='item-spacer'></div> fn <a href='#method.is_normal' class='fnname'>is_normal</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a> { ... }
  67. <div class='item-spacer'></div> fn <a href='#method.floor' class='fnname'>floor</a>(self) -&gt; Self { ... }
  68. <div class='item-spacer'></div> fn <a href='#method.ceil' class='fnname'>ceil</a>(self) -&gt; Self { ... }
  69. <div class='item-spacer'></div> fn <a href='#method.round' class='fnname'>round</a>(self) -&gt; Self { ... }
  70. <div class='item-spacer'></div> fn <a href='#method.trunc' class='fnname'>trunc</a>(self) -&gt; Self { ... }
  71. <div class='item-spacer'></div> fn <a href='#method.fract' class='fnname'>fract</a>(self) -&gt; Self { ... }
  72. <div class='item-spacer'></div> fn <a href='#method.abs' class='fnname'>abs</a>(self) -&gt; Self { ... }
  73. <div class='item-spacer'></div> fn <a href='#method.signum' class='fnname'>signum</a>(self) -&gt; Self { ... }
  74. <div class='item-spacer'></div> fn <a href='#method.is_sign_positive' class='fnname'>is_sign_positive</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a> { ... }
  75. <div class='item-spacer'></div> fn <a href='#method.is_sign_negative' class='fnname'>is_sign_negative</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a> { ... }
  76. <div class='item-spacer'></div> fn <a href='#method.min' class='fnname'>min</a>(self, other: Self) -&gt; Self { ... }
  77. <div class='item-spacer'></div> fn <a href='#method.max' class='fnname'>max</a>(self, other: Self) -&gt; Self { ... }
  78. <div class='item-spacer'></div> fn <a href='#method.recip' class='fnname'>recip</a>(self) -&gt; Self { ... }
  79. <div class='item-spacer'></div> fn <a href='#method.powi' class='fnname'>powi</a>(self, exp: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; Self { ... }
  80. }</pre><div class='docblock'><p>Generic trait for floating point numbers that works with <code>no_std</code>.</p>
  81. <p>This trait implements a subset of the <code>Float</code> trait.</p>
  82. </div>
  83. <h2 id='required-methods' class='small-section-header'>
  84. Required Methods<a href='#required-methods' class='anchor'></a>
  85. </h2>
  86. <div class='methods'>
  87. <h3 id='tymethod.infinity' class='method'><span id='infinity.v' class='invisible'><code>fn <a href='#tymethod.infinity' class='fnname'>infinity</a>() -&gt; Self</code></span></h3><div class='docblock'><p>Returns positive infinity.</p>
  88. <h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
  89. <pre class="rust rust-example-rendered">
  90. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  91. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  92. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>) {
  93. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">T</span>::<span class="ident">infinity</span>() <span class="op">==</span> <span class="ident">x</span>);
  94. }
  95. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">INFINITY</span>);
  96. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">INFINITY</span>);</pre>
  97. </div><h3 id='tymethod.neg_infinity' class='method'><span id='neg_infinity.v' class='invisible'><code>fn <a href='#tymethod.neg_infinity' class='fnname'>neg_infinity</a>() -&gt; Self</code></span></h3><div class='docblock'><p>Returns negative infinity.</p>
  98. <h1 id="examples-1" class="section-header"><a href="#examples-1">Examples</a></h1>
  99. <pre class="rust rust-example-rendered">
  100. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  101. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  102. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>) {
  103. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">T</span>::<span class="ident">neg_infinity</span>() <span class="op">==</span> <span class="ident">x</span>);
  104. }
  105. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">NEG_INFINITY</span>);
  106. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">NEG_INFINITY</span>);</pre>
  107. </div><h3 id='tymethod.nan' class='method'><span id='nan.v' class='invisible'><code>fn <a href='#tymethod.nan' class='fnname'>nan</a>() -&gt; Self</code></span></h3><div class='docblock'><p>Returns NaN.</p>
  108. <h1 id="examples-2" class="section-header"><a href="#examples-2">Examples</a></h1>
  109. <pre class="rust rust-example-rendered">
  110. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  111. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>() {
  112. <span class="kw">let</span> <span class="ident">n</span> <span class="op">=</span> <span class="ident">T</span>::<span class="ident">nan</span>();
  113. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">n</span> <span class="op">!=</span> <span class="ident">n</span>);
  114. }
  115. <span class="ident">check</span>::<span class="op">&lt;</span><span class="ident">f32</span><span class="op">&gt;</span>();
  116. <span class="ident">check</span>::<span class="op">&lt;</span><span class="ident">f64</span><span class="op">&gt;</span>();</pre>
  117. </div><h3 id='tymethod.neg_zero' class='method'><span id='neg_zero.v' class='invisible'><code>fn <a href='#tymethod.neg_zero' class='fnname'>neg_zero</a>() -&gt; Self</code></span></h3><div class='docblock'><p>Returns <code>-0.0</code>.</p>
  118. <h1 id="examples-3" class="section-header"><a href="#examples-3">Examples</a></h1>
  119. <pre class="rust rust-example-rendered">
  120. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  121. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  122. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">n</span>: <span class="ident">T</span>) {
  123. <span class="kw">let</span> <span class="ident">z</span> <span class="op">=</span> <span class="ident">T</span>::<span class="ident">neg_zero</span>();
  124. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">z</span>.<span class="ident">is_zero</span>());
  125. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">T</span>::<span class="ident">one</span>() <span class="op">/</span> <span class="ident">z</span> <span class="op">==</span> <span class="ident">n</span>);
  126. }
  127. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">NEG_INFINITY</span>);
  128. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">NEG_INFINITY</span>);</pre>
  129. </div><h3 id='tymethod.min_value' class='method'><span id='min_value.v' class='invisible'><code>fn <a href='#tymethod.min_value' class='fnname'>min_value</a>() -&gt; Self</code></span></h3><div class='docblock'><p>Returns the smallest finite value that this type can represent.</p>
  130. <h1 id="examples-4" class="section-header"><a href="#examples-4">Examples</a></h1>
  131. <pre class="rust rust-example-rendered">
  132. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  133. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  134. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>) {
  135. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">T</span>::<span class="ident">min_value</span>() <span class="op">==</span> <span class="ident">x</span>);
  136. }
  137. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">MIN</span>);
  138. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">MIN</span>);</pre>
  139. </div><h3 id='tymethod.min_positive_value' class='method'><span id='min_positive_value.v' class='invisible'><code>fn <a href='#tymethod.min_positive_value' class='fnname'>min_positive_value</a>() -&gt; Self</code></span></h3><div class='docblock'><p>Returns the smallest positive, normalized value that this type can represent.</p>
  140. <h1 id="examples-5" class="section-header"><a href="#examples-5">Examples</a></h1>
  141. <pre class="rust rust-example-rendered">
  142. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  143. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  144. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>) {
  145. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">T</span>::<span class="ident">min_positive_value</span>() <span class="op">==</span> <span class="ident">x</span>);
  146. }
  147. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">MIN_POSITIVE</span>);
  148. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">MIN_POSITIVE</span>);</pre>
  149. </div><h3 id='tymethod.epsilon' class='method'><span id='epsilon.v' class='invisible'><code>fn <a href='#tymethod.epsilon' class='fnname'>epsilon</a>() -&gt; Self</code></span></h3><div class='docblock'><p>Returns epsilon, a small positive value.</p>
  150. <h1 id="examples-6" class="section-header"><a href="#examples-6">Examples</a></h1>
  151. <pre class="rust rust-example-rendered">
  152. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  153. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  154. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>) {
  155. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">T</span>::<span class="ident">epsilon</span>() <span class="op">==</span> <span class="ident">x</span>);
  156. }
  157. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">EPSILON</span>);
  158. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">EPSILON</span>);</pre>
  159. </div><h3 id='tymethod.max_value' class='method'><span id='max_value.v' class='invisible'><code>fn <a href='#tymethod.max_value' class='fnname'>max_value</a>() -&gt; Self</code></span></h3><div class='docblock'><p>Returns the largest finite value that this type can represent.</p>
  160. <h1 id="examples-7" class="section-header"><a href="#examples-7">Examples</a></h1>
  161. <pre class="rust rust-example-rendered">
  162. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  163. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  164. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>) {
  165. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">T</span>::<span class="ident">max_value</span>() <span class="op">==</span> <span class="ident">x</span>);
  166. }
  167. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">MAX</span>);
  168. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">MAX</span>);</pre>
  169. </div><h3 id='tymethod.classify' class='method'><span id='classify.v' class='invisible'><code>fn <a href='#tymethod.classify' class='fnname'>classify</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/num/enum.FpCategory.html" title="enum core::num::FpCategory">FpCategory</a></code></span></h3><div class='docblock'><p>Returns the floating point category of the number. If only one property
  170. is going to be tested, it is generally faster to use the specific
  171. predicate instead.</p>
  172. <h1 id="examples-8" class="section-header"><a href="#examples-8">Examples</a></h1>
  173. <pre class="rust rust-example-rendered">
  174. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  175. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  176. <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">num</span>::<span class="ident">FpCategory</span>;
  177. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">c</span>: <span class="ident">FpCategory</span>) {
  178. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">x</span>.<span class="ident">classify</span>() <span class="op">==</span> <span class="ident">c</span>);
  179. }
  180. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">INFINITY</span>, <span class="ident">FpCategory</span>::<span class="ident">Infinite</span>);
  181. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">MAX</span>, <span class="ident">FpCategory</span>::<span class="ident">Normal</span>);
  182. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">NAN</span>, <span class="ident">FpCategory</span>::<span class="ident">Nan</span>);
  183. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">MIN_POSITIVE</span>, <span class="ident">FpCategory</span>::<span class="ident">Normal</span>);
  184. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">MIN_POSITIVE</span> <span class="op">/</span> <span class="number">2.0</span>, <span class="ident">FpCategory</span>::<span class="ident">Subnormal</span>);
  185. <span class="ident">check</span>(<span class="number">0.0f64</span>, <span class="ident">FpCategory</span>::<span class="ident">Zero</span>);</pre>
  186. </div><h3 id='tymethod.to_degrees' class='method'><span id='to_degrees.v' class='invisible'><code>fn <a href='#tymethod.to_degrees' class='fnname'>to_degrees</a>(self) -&gt; Self</code></span></h3><div class='docblock'><p>Converts to degrees, assuming the number is in radians.</p>
  187. <h1 id="examples-9" class="section-header"><a href="#examples-9">Examples</a></h1>
  188. <pre class="rust rust-example-rendered">
  189. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  190. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  191. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">rad</span>: <span class="ident">T</span>, <span class="ident">deg</span>: <span class="ident">T</span>) {
  192. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">rad</span>.<span class="ident">to_degrees</span>() <span class="op">==</span> <span class="ident">deg</span>);
  193. }
  194. <span class="ident">check</span>(<span class="number">0.0f32</span>, <span class="number">0.0</span>);
  195. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">consts</span>::<span class="ident">PI</span>, <span class="number">180.0</span>);
  196. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">consts</span>::<span class="ident">FRAC_PI_4</span>, <span class="number">45.0</span>);
  197. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">INFINITY</span>, <span class="ident">f64</span>::<span class="ident">INFINITY</span>);</pre>
  198. </div><h3 id='tymethod.to_radians' class='method'><span id='to_radians.v' class='invisible'><code>fn <a href='#tymethod.to_radians' class='fnname'>to_radians</a>(self) -&gt; Self</code></span></h3><div class='docblock'><p>Converts to radians, assuming the number is in degrees.</p>
  199. <h1 id="examples-10" class="section-header"><a href="#examples-10">Examples</a></h1>
  200. <pre class="rust rust-example-rendered">
  201. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  202. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  203. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">deg</span>: <span class="ident">T</span>, <span class="ident">rad</span>: <span class="ident">T</span>) {
  204. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">deg</span>.<span class="ident">to_radians</span>() <span class="op">==</span> <span class="ident">rad</span>);
  205. }
  206. <span class="ident">check</span>(<span class="number">0.0f32</span>, <span class="number">0.0</span>);
  207. <span class="ident">check</span>(<span class="number">180.0</span>, <span class="ident">f32</span>::<span class="ident">consts</span>::<span class="ident">PI</span>);
  208. <span class="ident">check</span>(<span class="number">45.0</span>, <span class="ident">f64</span>::<span class="ident">consts</span>::<span class="ident">FRAC_PI_4</span>);
  209. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">INFINITY</span>, <span class="ident">f64</span>::<span class="ident">INFINITY</span>);</pre>
  210. </div><h3 id='tymethod.integer_decode' class='method'><span id='integer_decode.v' class='invisible'><code>fn <a href='#tymethod.integer_decode' class='fnname'>integer_decode</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></code></span></h3><div class='docblock'><p>Returns the mantissa, base 2 exponent, and sign as integers, respectively.
  211. The original number can be recovered by <code>sign * mantissa * 2 ^ exponent</code>.</p>
  212. <h1 id="examples-11" class="section-header"><a href="#examples-11">Examples</a></h1>
  213. <pre class="rust rust-example-rendered">
  214. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  215. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  216. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">m</span>: <span class="ident">u64</span>, <span class="ident">e</span>: <span class="ident">i16</span>, <span class="ident">s</span>:<span class="ident">i8</span>) {
  217. <span class="kw">let</span> (<span class="ident">mantissa</span>, <span class="ident">exponent</span>, <span class="ident">sign</span>) <span class="op">=</span> <span class="ident">x</span>.<span class="ident">integer_decode</span>();
  218. <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">mantissa</span>, <span class="ident">m</span>);
  219. <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">exponent</span>, <span class="ident">e</span>);
  220. <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">sign</span>, <span class="ident">s</span>);
  221. }
  222. <span class="ident">check</span>(<span class="number">2.0f32</span>, <span class="number">1</span> <span class="op">&lt;&lt;</span> <span class="number">23</span>, <span class="op">-</span><span class="number">22</span>, <span class="number">1</span>);
  223. <span class="ident">check</span>(<span class="op">-</span><span class="number">2.0f32</span>, <span class="number">1</span> <span class="op">&lt;&lt;</span> <span class="number">23</span>, <span class="op">-</span><span class="number">22</span>, <span class="op">-</span><span class="number">1</span>);
  224. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">INFINITY</span>, <span class="number">1</span> <span class="op">&lt;&lt;</span> <span class="number">23</span>, <span class="number">105</span>, <span class="number">1</span>);
  225. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">NEG_INFINITY</span>, <span class="number">1</span> <span class="op">&lt;&lt;</span> <span class="number">52</span>, <span class="number">972</span>, <span class="op">-</span><span class="number">1</span>);</pre>
  226. </div></div>
  227. <h2 id='provided-methods' class='small-section-header'>
  228. Provided Methods<a href='#provided-methods' class='anchor'></a>
  229. </h2>
  230. <div class='methods'>
  231. <h3 id='method.is_nan' class='method'><span id='is_nan.v' class='invisible'><code>fn <a href='#method.is_nan' class='fnname'>is_nan</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span></h3><div class='docblock'><p>Returns <code>true</code> if the number is NaN.</p>
  232. <h1 id="examples-12" class="section-header"><a href="#examples-12">Examples</a></h1>
  233. <pre class="rust rust-example-rendered">
  234. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  235. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  236. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">p</span>: <span class="ident">bool</span>) {
  237. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">x</span>.<span class="ident">is_nan</span>() <span class="op">==</span> <span class="ident">p</span>);
  238. }
  239. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">NAN</span>, <span class="bool-val">true</span>);
  240. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">INFINITY</span>, <span class="bool-val">false</span>);
  241. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">NAN</span>, <span class="bool-val">true</span>);
  242. <span class="ident">check</span>(<span class="number">0.0f64</span>, <span class="bool-val">false</span>);</pre>
  243. </div><h3 id='method.is_infinite' class='method'><span id='is_infinite.v' class='invisible'><code>fn <a href='#method.is_infinite' class='fnname'>is_infinite</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span></h3><div class='docblock'><p>Returns <code>true</code> if the number is infinite.</p>
  244. <h1 id="examples-13" class="section-header"><a href="#examples-13">Examples</a></h1>
  245. <pre class="rust rust-example-rendered">
  246. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  247. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  248. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">p</span>: <span class="ident">bool</span>) {
  249. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">x</span>.<span class="ident">is_infinite</span>() <span class="op">==</span> <span class="ident">p</span>);
  250. }
  251. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">INFINITY</span>, <span class="bool-val">true</span>);
  252. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">NEG_INFINITY</span>, <span class="bool-val">true</span>);
  253. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">NAN</span>, <span class="bool-val">false</span>);
  254. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">INFINITY</span>, <span class="bool-val">true</span>);
  255. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">NEG_INFINITY</span>, <span class="bool-val">true</span>);
  256. <span class="ident">check</span>(<span class="number">0.0f64</span>, <span class="bool-val">false</span>);</pre>
  257. </div><h3 id='method.is_finite' class='method'><span id='is_finite.v' class='invisible'><code>fn <a href='#method.is_finite' class='fnname'>is_finite</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span></h3><div class='docblock'><p>Returns <code>true</code> if the number is neither infinite or NaN.</p>
  258. <h1 id="examples-14" class="section-header"><a href="#examples-14">Examples</a></h1>
  259. <pre class="rust rust-example-rendered">
  260. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  261. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  262. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">p</span>: <span class="ident">bool</span>) {
  263. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">x</span>.<span class="ident">is_finite</span>() <span class="op">==</span> <span class="ident">p</span>);
  264. }
  265. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">INFINITY</span>, <span class="bool-val">false</span>);
  266. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">MAX</span>, <span class="bool-val">true</span>);
  267. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">NEG_INFINITY</span>, <span class="bool-val">false</span>);
  268. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">MIN_POSITIVE</span>, <span class="bool-val">true</span>);
  269. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">NAN</span>, <span class="bool-val">false</span>);</pre>
  270. </div><h3 id='method.is_normal' class='method'><span id='is_normal.v' class='invisible'><code>fn <a href='#method.is_normal' class='fnname'>is_normal</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span></h3><div class='docblock'><p>Returns <code>true</code> if the number is neither zero, infinite, subnormal or NaN.</p>
  271. <h1 id="examples-15" class="section-header"><a href="#examples-15">Examples</a></h1>
  272. <pre class="rust rust-example-rendered">
  273. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  274. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  275. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">p</span>: <span class="ident">bool</span>) {
  276. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">x</span>.<span class="ident">is_normal</span>() <span class="op">==</span> <span class="ident">p</span>);
  277. }
  278. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">INFINITY</span>, <span class="bool-val">false</span>);
  279. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">MAX</span>, <span class="bool-val">true</span>);
  280. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">NEG_INFINITY</span>, <span class="bool-val">false</span>);
  281. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">MIN_POSITIVE</span>, <span class="bool-val">true</span>);
  282. <span class="ident">check</span>(<span class="number">0.0f64</span>, <span class="bool-val">false</span>);</pre>
  283. </div><h3 id='method.floor' class='method'><span id='floor.v' class='invisible'><code>fn <a href='#method.floor' class='fnname'>floor</a>(self) -&gt; Self</code></span></h3><div class='docblock'><p>Returns the largest integer less than or equal to a number.</p>
  284. <h1 id="examples-16" class="section-header"><a href="#examples-16">Examples</a></h1>
  285. <pre class="rust rust-example-rendered">
  286. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  287. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  288. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">y</span>: <span class="ident">T</span>) {
  289. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">x</span>.<span class="ident">floor</span>() <span class="op">==</span> <span class="ident">y</span>);
  290. }
  291. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">INFINITY</span>, <span class="ident">f32</span>::<span class="ident">INFINITY</span>);
  292. <span class="ident">check</span>(<span class="number">0.9f32</span>, <span class="number">0.0</span>);
  293. <span class="ident">check</span>(<span class="number">1.0f32</span>, <span class="number">1.0</span>);
  294. <span class="ident">check</span>(<span class="number">1.1f32</span>, <span class="number">1.0</span>);
  295. <span class="ident">check</span>(<span class="op">-</span><span class="number">0.0f64</span>, <span class="number">0.0</span>);
  296. <span class="ident">check</span>(<span class="op">-</span><span class="number">0.9f64</span>, <span class="op">-</span><span class="number">1.0</span>);
  297. <span class="ident">check</span>(<span class="op">-</span><span class="number">1.0f64</span>, <span class="op">-</span><span class="number">1.0</span>);
  298. <span class="ident">check</span>(<span class="op">-</span><span class="number">1.1f64</span>, <span class="op">-</span><span class="number">2.0</span>);
  299. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">MIN</span>, <span class="ident">f64</span>::<span class="ident">MIN</span>);</pre>
  300. </div><h3 id='method.ceil' class='method'><span id='ceil.v' class='invisible'><code>fn <a href='#method.ceil' class='fnname'>ceil</a>(self) -&gt; Self</code></span></h3><div class='docblock'><p>Returns the smallest integer greater than or equal to a number.</p>
  301. <h1 id="examples-17" class="section-header"><a href="#examples-17">Examples</a></h1>
  302. <pre class="rust rust-example-rendered">
  303. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  304. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  305. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">y</span>: <span class="ident">T</span>) {
  306. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">x</span>.<span class="ident">ceil</span>() <span class="op">==</span> <span class="ident">y</span>);
  307. }
  308. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">INFINITY</span>, <span class="ident">f32</span>::<span class="ident">INFINITY</span>);
  309. <span class="ident">check</span>(<span class="number">0.9f32</span>, <span class="number">1.0</span>);
  310. <span class="ident">check</span>(<span class="number">1.0f32</span>, <span class="number">1.0</span>);
  311. <span class="ident">check</span>(<span class="number">1.1f32</span>, <span class="number">2.0</span>);
  312. <span class="ident">check</span>(<span class="op">-</span><span class="number">0.0f64</span>, <span class="number">0.0</span>);
  313. <span class="ident">check</span>(<span class="op">-</span><span class="number">0.9f64</span>, <span class="op">-</span><span class="number">0.0</span>);
  314. <span class="ident">check</span>(<span class="op">-</span><span class="number">1.0f64</span>, <span class="op">-</span><span class="number">1.0</span>);
  315. <span class="ident">check</span>(<span class="op">-</span><span class="number">1.1f64</span>, <span class="op">-</span><span class="number">1.0</span>);
  316. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">MIN</span>, <span class="ident">f64</span>::<span class="ident">MIN</span>);</pre>
  317. </div><h3 id='method.round' class='method'><span id='round.v' class='invisible'><code>fn <a href='#method.round' class='fnname'>round</a>(self) -&gt; Self</code></span></h3><div class='docblock'><p>Returns the nearest integer to a number. Round half-way cases away from <code>0.0</code>.</p>
  318. <h1 id="examples-18" class="section-header"><a href="#examples-18">Examples</a></h1>
  319. <pre class="rust rust-example-rendered">
  320. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  321. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  322. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">y</span>: <span class="ident">T</span>) {
  323. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">x</span>.<span class="ident">round</span>() <span class="op">==</span> <span class="ident">y</span>);
  324. }
  325. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">INFINITY</span>, <span class="ident">f32</span>::<span class="ident">INFINITY</span>);
  326. <span class="ident">check</span>(<span class="number">0.4f32</span>, <span class="number">0.0</span>);
  327. <span class="ident">check</span>(<span class="number">0.5f32</span>, <span class="number">1.0</span>);
  328. <span class="ident">check</span>(<span class="number">0.6f32</span>, <span class="number">1.0</span>);
  329. <span class="ident">check</span>(<span class="op">-</span><span class="number">0.4f64</span>, <span class="number">0.0</span>);
  330. <span class="ident">check</span>(<span class="op">-</span><span class="number">0.5f64</span>, <span class="op">-</span><span class="number">1.0</span>);
  331. <span class="ident">check</span>(<span class="op">-</span><span class="number">0.6f64</span>, <span class="op">-</span><span class="number">1.0</span>);
  332. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">MIN</span>, <span class="ident">f64</span>::<span class="ident">MIN</span>);</pre>
  333. </div><h3 id='method.trunc' class='method'><span id='trunc.v' class='invisible'><code>fn <a href='#method.trunc' class='fnname'>trunc</a>(self) -&gt; Self</code></span></h3><div class='docblock'><p>Return the integer part of a number.</p>
  334. <h1 id="examples-19" class="section-header"><a href="#examples-19">Examples</a></h1>
  335. <pre class="rust rust-example-rendered">
  336. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  337. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  338. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">y</span>: <span class="ident">T</span>) {
  339. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">x</span>.<span class="ident">trunc</span>() <span class="op">==</span> <span class="ident">y</span>);
  340. }
  341. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">INFINITY</span>, <span class="ident">f32</span>::<span class="ident">INFINITY</span>);
  342. <span class="ident">check</span>(<span class="number">0.9f32</span>, <span class="number">0.0</span>);
  343. <span class="ident">check</span>(<span class="number">1.0f32</span>, <span class="number">1.0</span>);
  344. <span class="ident">check</span>(<span class="number">1.1f32</span>, <span class="number">1.0</span>);
  345. <span class="ident">check</span>(<span class="op">-</span><span class="number">0.0f64</span>, <span class="number">0.0</span>);
  346. <span class="ident">check</span>(<span class="op">-</span><span class="number">0.9f64</span>, <span class="op">-</span><span class="number">0.0</span>);
  347. <span class="ident">check</span>(<span class="op">-</span><span class="number">1.0f64</span>, <span class="op">-</span><span class="number">1.0</span>);
  348. <span class="ident">check</span>(<span class="op">-</span><span class="number">1.1f64</span>, <span class="op">-</span><span class="number">1.0</span>);
  349. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">MIN</span>, <span class="ident">f64</span>::<span class="ident">MIN</span>);</pre>
  350. </div><h3 id='method.fract' class='method'><span id='fract.v' class='invisible'><code>fn <a href='#method.fract' class='fnname'>fract</a>(self) -&gt; Self</code></span></h3><div class='docblock'><p>Returns the fractional part of a number.</p>
  351. <h1 id="examples-20" class="section-header"><a href="#examples-20">Examples</a></h1>
  352. <pre class="rust rust-example-rendered">
  353. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  354. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  355. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">y</span>: <span class="ident">T</span>) {
  356. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">x</span>.<span class="ident">fract</span>() <span class="op">==</span> <span class="ident">y</span>);
  357. }
  358. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">MAX</span>, <span class="number">0.0</span>);
  359. <span class="ident">check</span>(<span class="number">0.75f32</span>, <span class="number">0.75</span>);
  360. <span class="ident">check</span>(<span class="number">1.0f32</span>, <span class="number">0.0</span>);
  361. <span class="ident">check</span>(<span class="number">1.25f32</span>, <span class="number">0.25</span>);
  362. <span class="ident">check</span>(<span class="op">-</span><span class="number">0.0f64</span>, <span class="number">0.0</span>);
  363. <span class="ident">check</span>(<span class="op">-</span><span class="number">0.75f64</span>, <span class="op">-</span><span class="number">0.75</span>);
  364. <span class="ident">check</span>(<span class="op">-</span><span class="number">1.0f64</span>, <span class="number">0.0</span>);
  365. <span class="ident">check</span>(<span class="op">-</span><span class="number">1.25f64</span>, <span class="op">-</span><span class="number">0.25</span>);
  366. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">MIN</span>, <span class="number">0.0</span>);</pre>
  367. </div><h3 id='method.abs' class='method'><span id='abs.v' class='invisible'><code>fn <a href='#method.abs' class='fnname'>abs</a>(self) -&gt; Self</code></span></h3><div class='docblock'><p>Computes the absolute value of <code>self</code>. Returns <code>FloatCore::nan()</code> if the
  368. number is <code>FloatCore::nan()</code>.</p>
  369. <h1 id="examples-21" class="section-header"><a href="#examples-21">Examples</a></h1>
  370. <pre class="rust rust-example-rendered">
  371. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  372. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  373. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">y</span>: <span class="ident">T</span>) {
  374. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">x</span>.<span class="ident">abs</span>() <span class="op">==</span> <span class="ident">y</span>);
  375. }
  376. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">INFINITY</span>, <span class="ident">f32</span>::<span class="ident">INFINITY</span>);
  377. <span class="ident">check</span>(<span class="number">1.0f32</span>, <span class="number">1.0</span>);
  378. <span class="ident">check</span>(<span class="number">0.0f64</span>, <span class="number">0.0</span>);
  379. <span class="ident">check</span>(<span class="op">-</span><span class="number">0.0f64</span>, <span class="number">0.0</span>);
  380. <span class="ident">check</span>(<span class="op">-</span><span class="number">1.0f64</span>, <span class="number">1.0</span>);
  381. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">MIN</span>, <span class="ident">f64</span>::<span class="ident">MAX</span>);</pre>
  382. </div><h3 id='method.signum' class='method'><span id='signum.v' class='invisible'><code>fn <a href='#method.signum' class='fnname'>signum</a>(self) -&gt; Self</code></span></h3><div class='docblock'><p>Returns a number that represents the sign of <code>self</code>.</p>
  383. <ul>
  384. <li><code>1.0</code> if the number is positive, <code>+0.0</code> or <code>FloatCore::infinity()</code></li>
  385. <li><code>-1.0</code> if the number is negative, <code>-0.0</code> or <code>FloatCore::neg_infinity()</code></li>
  386. <li><code>FloatCore::nan()</code> if the number is <code>FloatCore::nan()</code></li>
  387. </ul>
  388. <h1 id="examples-22" class="section-header"><a href="#examples-22">Examples</a></h1>
  389. <pre class="rust rust-example-rendered">
  390. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  391. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  392. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">y</span>: <span class="ident">T</span>) {
  393. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">x</span>.<span class="ident">signum</span>() <span class="op">==</span> <span class="ident">y</span>);
  394. }
  395. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">INFINITY</span>, <span class="number">1.0</span>);
  396. <span class="ident">check</span>(<span class="number">3.0f32</span>, <span class="number">1.0</span>);
  397. <span class="ident">check</span>(<span class="number">0.0f32</span>, <span class="number">1.0</span>);
  398. <span class="ident">check</span>(<span class="op">-</span><span class="number">0.0f64</span>, <span class="op">-</span><span class="number">1.0</span>);
  399. <span class="ident">check</span>(<span class="op">-</span><span class="number">3.0f64</span>, <span class="op">-</span><span class="number">1.0</span>);
  400. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">MIN</span>, <span class="op">-</span><span class="number">1.0</span>);</pre>
  401. </div><h3 id='method.is_sign_positive' class='method'><span id='is_sign_positive.v' class='invisible'><code>fn <a href='#method.is_sign_positive' class='fnname'>is_sign_positive</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span></h3><div class='docblock'><p>Returns <code>true</code> if <code>self</code> is positive, including <code>+0.0</code> and
  402. <code>FloatCore::infinity()</code>, and since Rust 1.20 also
  403. <code>FloatCore::nan()</code>.</p>
  404. <h1 id="examples-23" class="section-header"><a href="#examples-23">Examples</a></h1>
  405. <pre class="rust rust-example-rendered">
  406. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  407. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  408. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">p</span>: <span class="ident">bool</span>) {
  409. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">x</span>.<span class="ident">is_sign_positive</span>() <span class="op">==</span> <span class="ident">p</span>);
  410. }
  411. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">INFINITY</span>, <span class="bool-val">true</span>);
  412. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">MAX</span>, <span class="bool-val">true</span>);
  413. <span class="ident">check</span>(<span class="number">0.0f32</span>, <span class="bool-val">true</span>);
  414. <span class="ident">check</span>(<span class="op">-</span><span class="number">0.0f64</span>, <span class="bool-val">false</span>);
  415. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">NEG_INFINITY</span>, <span class="bool-val">false</span>);
  416. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">MIN_POSITIVE</span>, <span class="bool-val">true</span>);
  417. <span class="ident">check</span>(<span class="op">-</span><span class="ident">f64</span>::<span class="ident">NAN</span>, <span class="bool-val">false</span>);</pre>
  418. </div><h3 id='method.is_sign_negative' class='method'><span id='is_sign_negative.v' class='invisible'><code>fn <a href='#method.is_sign_negative' class='fnname'>is_sign_negative</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span></h3><div class='docblock'><p>Returns <code>true</code> if <code>self</code> is negative, including <code>-0.0</code> and
  419. <code>FloatCore::neg_infinity()</code>, and since Rust 1.20 also
  420. <code>-FloatCore::nan()</code>.</p>
  421. <h1 id="examples-24" class="section-header"><a href="#examples-24">Examples</a></h1>
  422. <pre class="rust rust-example-rendered">
  423. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  424. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  425. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">p</span>: <span class="ident">bool</span>) {
  426. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">x</span>.<span class="ident">is_sign_negative</span>() <span class="op">==</span> <span class="ident">p</span>);
  427. }
  428. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">INFINITY</span>, <span class="bool-val">false</span>);
  429. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">MAX</span>, <span class="bool-val">false</span>);
  430. <span class="ident">check</span>(<span class="number">0.0f32</span>, <span class="bool-val">false</span>);
  431. <span class="ident">check</span>(<span class="op">-</span><span class="number">0.0f64</span>, <span class="bool-val">true</span>);
  432. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">NEG_INFINITY</span>, <span class="bool-val">true</span>);
  433. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">MIN_POSITIVE</span>, <span class="bool-val">false</span>);
  434. <span class="ident">check</span>(<span class="ident">f64</span>::<span class="ident">NAN</span>, <span class="bool-val">false</span>);</pre>
  435. </div><h3 id='method.min' class='method'><span id='min.v' class='invisible'><code>fn <a href='#method.min' class='fnname'>min</a>(self, other: Self) -&gt; Self</code></span></h3><div class='docblock'><p>Returns the minimum of the two numbers.</p>
  436. <p>If one of the arguments is NaN, then the other argument is returned.</p>
  437. <h1 id="examples-25" class="section-header"><a href="#examples-25">Examples</a></h1>
  438. <pre class="rust rust-example-rendered">
  439. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  440. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  441. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">y</span>: <span class="ident">T</span>, <span class="ident">min</span>: <span class="ident">T</span>) {
  442. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">x</span>.<span class="ident">min</span>(<span class="ident">y</span>) <span class="op">==</span> <span class="ident">min</span>);
  443. }
  444. <span class="ident">check</span>(<span class="number">1.0f32</span>, <span class="number">2.0</span>, <span class="number">1.0</span>);
  445. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">NAN</span>, <span class="number">2.0</span>, <span class="number">2.0</span>);
  446. <span class="ident">check</span>(<span class="number">1.0f64</span>, <span class="op">-</span><span class="number">2.0</span>, <span class="op">-</span><span class="number">2.0</span>);
  447. <span class="ident">check</span>(<span class="number">1.0f64</span>, <span class="ident">f64</span>::<span class="ident">NAN</span>, <span class="number">1.0</span>);</pre>
  448. </div><h3 id='method.max' class='method'><span id='max.v' class='invisible'><code>fn <a href='#method.max' class='fnname'>max</a>(self, other: Self) -&gt; Self</code></span></h3><div class='docblock'><p>Returns the maximum of the two numbers.</p>
  449. <p>If one of the arguments is NaN, then the other argument is returned.</p>
  450. <h1 id="examples-26" class="section-header"><a href="#examples-26">Examples</a></h1>
  451. <pre class="rust rust-example-rendered">
  452. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  453. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  454. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">y</span>: <span class="ident">T</span>, <span class="ident">min</span>: <span class="ident">T</span>) {
  455. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">x</span>.<span class="ident">max</span>(<span class="ident">y</span>) <span class="op">==</span> <span class="ident">min</span>);
  456. }
  457. <span class="ident">check</span>(<span class="number">1.0f32</span>, <span class="number">2.0</span>, <span class="number">2.0</span>);
  458. <span class="ident">check</span>(<span class="number">1.0f32</span>, <span class="ident">f32</span>::<span class="ident">NAN</span>, <span class="number">1.0</span>);
  459. <span class="ident">check</span>(<span class="op">-</span><span class="number">1.0f64</span>, <span class="number">2.0</span>, <span class="number">2.0</span>);
  460. <span class="ident">check</span>(<span class="op">-</span><span class="number">1.0f64</span>, <span class="ident">f64</span>::<span class="ident">NAN</span>, <span class="op">-</span><span class="number">1.0</span>);</pre>
  461. </div><h3 id='method.recip' class='method'><span id='recip.v' class='invisible'><code>fn <a href='#method.recip' class='fnname'>recip</a>(self) -&gt; Self</code></span></h3><div class='docblock'><p>Returns the reciprocal (multiplicative inverse) of the number.</p>
  462. <h1 id="examples-27" class="section-header"><a href="#examples-27">Examples</a></h1>
  463. <pre class="rust rust-example-rendered">
  464. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  465. <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>};
  466. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">y</span>: <span class="ident">T</span>) {
  467. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">x</span>.<span class="ident">recip</span>() <span class="op">==</span> <span class="ident">y</span>);
  468. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">y</span>.<span class="ident">recip</span>() <span class="op">==</span> <span class="ident">x</span>);
  469. }
  470. <span class="ident">check</span>(<span class="ident">f32</span>::<span class="ident">INFINITY</span>, <span class="number">0.0</span>);
  471. <span class="ident">check</span>(<span class="number">2.0f32</span>, <span class="number">0.5</span>);
  472. <span class="ident">check</span>(<span class="op">-</span><span class="number">0.25f64</span>, <span class="op">-</span><span class="number">4.0</span>);
  473. <span class="ident">check</span>(<span class="op">-</span><span class="number">0.0f64</span>, <span class="ident">f64</span>::<span class="ident">NEG_INFINITY</span>);</pre>
  474. </div><h3 id='method.powi' class='method'><span id='powi.v' class='invisible'><code>fn <a href='#method.powi' class='fnname'>powi</a>(self, exp: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; Self</code></span></h3><div class='docblock'><p>Raise a number to an integer power.</p>
  475. <p>Using this function is generally faster than using <code>powf</code></p>
  476. <h1 id="examples-28" class="section-header"><a href="#examples-28">Examples</a></h1>
  477. <pre class="rust rust-example-rendered">
  478. <span class="kw">use</span> <span class="ident">num_traits</span>::<span class="ident">float</span>::<span class="ident">FloatCore</span>;
  479. <span class="kw">fn</span> <span class="ident">check</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">FloatCore</span><span class="op">&gt;</span>(<span class="ident">x</span>: <span class="ident">T</span>, <span class="ident">exp</span>: <span class="ident">i32</span>, <span class="ident">powi</span>: <span class="ident">T</span>) {
  480. <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">x</span>.<span class="ident">powi</span>(<span class="ident">exp</span>) <span class="op">==</span> <span class="ident">powi</span>);
  481. }
  482. <span class="ident">check</span>(<span class="number">9.0f32</span>, <span class="number">2</span>, <span class="number">81.0</span>);
  483. <span class="ident">check</span>(<span class="number">1.0f32</span>, <span class="op">-</span><span class="number">2</span>, <span class="number">1.0</span>);
  484. <span class="ident">check</span>(<span class="number">10.0f64</span>, <span class="number">20</span>, <span class="number">1e20</span>);
  485. <span class="ident">check</span>(<span class="number">4.0f64</span>, <span class="op">-</span><span class="number">2</span>, <span class="number">0.0625</span>);
  486. <span class="ident">check</span>(<span class="op">-</span><span class="number">1.0f64</span>, <span class="ident">std</span>::<span class="ident">i32</span>::<span class="ident">MIN</span>, <span class="number">1.0</span>);</pre>
  487. </div></div>
  488. <h2 id='foreign-impls' class='small-section-header'>
  489. Implementations on Foreign Types<a href='#foreign-impls' class='anchor'></a>
  490. </h2>
  491. <h3 id='impl-FloatCore' class='impl'><span class='in-band'><code>impl <a class="trait" href="../../num_traits/float/trait.FloatCore.html" title="trait num_traits::float::FloatCore">FloatCore</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a></code><a href='#impl-FloatCore' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/float.rs.html#738-806' title='goto source code'>[src]</a></span></h3>
  492. <span class='docblock autohide'><div class='impl-items'><h4 id='method.infinity' class="method"><span id='infinity.v-1' class='invisible'><code>fn <a href='#method.infinity' class='fnname'>infinity</a>() -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#33-35' title='goto source code'>[src]</a></span></h4>
  493. <h4 id='method.neg_infinity' class="method"><span id='neg_infinity.v-1' class='invisible'><code>fn <a href='#method.neg_infinity' class='fnname'>neg_infinity</a>() -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#33-35' title='goto source code'>[src]</a></span></h4>
  494. <h4 id='method.nan' class="method"><span id='nan.v-1' class='invisible'><code>fn <a href='#method.nan' class='fnname'>nan</a>() -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#33-35' title='goto source code'>[src]</a></span></h4>
  495. <h4 id='method.neg_zero' class="method"><span id='neg_zero.v-1' class='invisible'><code>fn <a href='#method.neg_zero' class='fnname'>neg_zero</a>() -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#33-35' title='goto source code'>[src]</a></span></h4>
  496. <h4 id='method.min_value' class="method"><span id='min_value.v-1' class='invisible'><code>fn <a href='#method.min_value' class='fnname'>min_value</a>() -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#33-35' title='goto source code'>[src]</a></span></h4>
  497. <h4 id='method.min_positive_value' class="method"><span id='min_positive_value.v-1' class='invisible'><code>fn <a href='#method.min_positive_value' class='fnname'>min_positive_value</a>() -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#33-35' title='goto source code'>[src]</a></span></h4>
  498. <h4 id='method.epsilon' class="method"><span id='epsilon.v-1' class='invisible'><code>fn <a href='#method.epsilon' class='fnname'>epsilon</a>() -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#33-35' title='goto source code'>[src]</a></span></h4>
  499. <h4 id='method.max_value' class="method"><span id='max_value.v-1' class='invisible'><code>fn <a href='#method.max_value' class='fnname'>max_value</a>() -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#33-35' title='goto source code'>[src]</a></span></h4>
  500. <h4 id='method.integer_decode' class="method"><span id='integer_decode.v-1' class='invisible'><code>fn <a href='#method.integer_decode' class='fnname'>integer_decode</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/float.rs.html#751-753' title='goto source code'>[src]</a></span></h4>
  501. <h4 id='method.is_nan-1' class="method"><span id='is_nan.v-1' class='invisible'><code>fn <a href='#method.is_nan' class='fnname'>is_nan</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  502. <h4 id='method.is_infinite-1' class="method"><span id='is_infinite.v-1' class='invisible'><code>fn <a href='#method.is_infinite' class='fnname'>is_infinite</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  503. <h4 id='method.is_finite-1' class="method"><span id='is_finite.v-1' class='invisible'><code>fn <a href='#method.is_finite' class='fnname'>is_finite</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  504. <h4 id='method.is_normal-1' class="method"><span id='is_normal.v-1' class='invisible'><code>fn <a href='#method.is_normal' class='fnname'>is_normal</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  505. <h4 id='method.classify' class="method"><span id='classify.v-1' class='invisible'><code>fn <a href='#method.classify' class='fnname'>classify</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/num/enum.FpCategory.html" title="enum core::num::FpCategory">FpCategory</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  506. <h4 id='method.floor-1' class="method"><span id='floor.v-1' class='invisible'><code>fn <a href='#method.floor' class='fnname'>floor</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  507. <h4 id='method.ceil-1' class="method"><span id='ceil.v-1' class='invisible'><code>fn <a href='#method.ceil' class='fnname'>ceil</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  508. <h4 id='method.round-1' class="method"><span id='round.v-1' class='invisible'><code>fn <a href='#method.round' class='fnname'>round</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  509. <h4 id='method.trunc-1' class="method"><span id='trunc.v-1' class='invisible'><code>fn <a href='#method.trunc' class='fnname'>trunc</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  510. <h4 id='method.fract-1' class="method"><span id='fract.v-1' class='invisible'><code>fn <a href='#method.fract' class='fnname'>fract</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  511. <h4 id='method.abs-1' class="method"><span id='abs.v-1' class='invisible'><code>fn <a href='#method.abs' class='fnname'>abs</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  512. <h4 id='method.signum-1' class="method"><span id='signum.v-1' class='invisible'><code>fn <a href='#method.signum' class='fnname'>signum</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  513. <h4 id='method.is_sign_positive-1' class="method"><span id='is_sign_positive.v-1' class='invisible'><code>fn <a href='#method.is_sign_positive' class='fnname'>is_sign_positive</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  514. <h4 id='method.is_sign_negative-1' class="method"><span id='is_sign_negative.v-1' class='invisible'><code>fn <a href='#method.is_sign_negative' class='fnname'>is_sign_negative</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  515. <h4 id='method.min-1' class="method"><span id='min.v-1' class='invisible'><code>fn <a href='#method.min' class='fnname'>min</a>(self, other: Self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  516. <h4 id='method.max-1' class="method"><span id='max.v-1' class='invisible'><code>fn <a href='#method.max' class='fnname'>max</a>(self, other: Self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  517. <h4 id='method.recip-1' class="method"><span id='recip.v-1' class='invisible'><code>fn <a href='#method.recip' class='fnname'>recip</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  518. <h4 id='method.powi-1' class="method"><span id='powi.v-1' class='invisible'><code>fn <a href='#method.powi' class='fnname'>powi</a>(self, n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  519. <h4 id='method.to_degrees' class="method"><span id='to_degrees.v-1' class='invisible'><code>fn <a href='#method.to_degrees' class='fnname'>to_degrees</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  520. <h4 id='method.to_radians' class="method"><span id='to_radians.v-1' class='invisible'><code>fn <a href='#method.to_radians' class='fnname'>to_radians</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  521. </div></span><h3 id='impl-FloatCore-1' class='impl'><span class='in-band'><code>impl <a class="trait" href="../../num_traits/float/trait.FloatCore.html" title="trait num_traits::float::FloatCore">FloatCore</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a></code><a href='#impl-FloatCore-1' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/float.rs.html#808-876' title='goto source code'>[src]</a></span></h3>
  522. <span class='docblock autohide'><div class='impl-items'><h4 id='method.infinity-1' class="method"><span id='infinity.v-2' class='invisible'><code>fn <a href='#method.infinity' class='fnname'>infinity</a>() -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#33-35' title='goto source code'>[src]</a></span></h4>
  523. <h4 id='method.neg_infinity-1' class="method"><span id='neg_infinity.v-2' class='invisible'><code>fn <a href='#method.neg_infinity' class='fnname'>neg_infinity</a>() -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#33-35' title='goto source code'>[src]</a></span></h4>
  524. <h4 id='method.nan-1' class="method"><span id='nan.v-2' class='invisible'><code>fn <a href='#method.nan' class='fnname'>nan</a>() -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#33-35' title='goto source code'>[src]</a></span></h4>
  525. <h4 id='method.neg_zero-1' class="method"><span id='neg_zero.v-2' class='invisible'><code>fn <a href='#method.neg_zero' class='fnname'>neg_zero</a>() -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#33-35' title='goto source code'>[src]</a></span></h4>
  526. <h4 id='method.min_value-1' class="method"><span id='min_value.v-2' class='invisible'><code>fn <a href='#method.min_value' class='fnname'>min_value</a>() -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#33-35' title='goto source code'>[src]</a></span></h4>
  527. <h4 id='method.min_positive_value-1' class="method"><span id='min_positive_value.v-2' class='invisible'><code>fn <a href='#method.min_positive_value' class='fnname'>min_positive_value</a>() -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#33-35' title='goto source code'>[src]</a></span></h4>
  528. <h4 id='method.epsilon-1' class="method"><span id='epsilon.v-2' class='invisible'><code>fn <a href='#method.epsilon' class='fnname'>epsilon</a>() -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#33-35' title='goto source code'>[src]</a></span></h4>
  529. <h4 id='method.max_value-1' class="method"><span id='max_value.v-2' class='invisible'><code>fn <a href='#method.max_value' class='fnname'>max_value</a>() -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#33-35' title='goto source code'>[src]</a></span></h4>
  530. <h4 id='method.integer_decode-1' class="method"><span id='integer_decode.v-2' class='invisible'><code>fn <a href='#method.integer_decode' class='fnname'>integer_decode</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/float.rs.html#821-823' title='goto source code'>[src]</a></span></h4>
  531. <h4 id='method.is_nan-2' class="method"><span id='is_nan.v-2' class='invisible'><code>fn <a href='#method.is_nan' class='fnname'>is_nan</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  532. <h4 id='method.is_infinite-2' class="method"><span id='is_infinite.v-2' class='invisible'><code>fn <a href='#method.is_infinite' class='fnname'>is_infinite</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  533. <h4 id='method.is_finite-2' class="method"><span id='is_finite.v-2' class='invisible'><code>fn <a href='#method.is_finite' class='fnname'>is_finite</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  534. <h4 id='method.is_normal-2' class="method"><span id='is_normal.v-2' class='invisible'><code>fn <a href='#method.is_normal' class='fnname'>is_normal</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  535. <h4 id='method.classify-1' class="method"><span id='classify.v-2' class='invisible'><code>fn <a href='#method.classify' class='fnname'>classify</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/num/enum.FpCategory.html" title="enum core::num::FpCategory">FpCategory</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  536. <h4 id='method.floor-2' class="method"><span id='floor.v-2' class='invisible'><code>fn <a href='#method.floor' class='fnname'>floor</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  537. <h4 id='method.ceil-2' class="method"><span id='ceil.v-2' class='invisible'><code>fn <a href='#method.ceil' class='fnname'>ceil</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  538. <h4 id='method.round-2' class="method"><span id='round.v-2' class='invisible'><code>fn <a href='#method.round' class='fnname'>round</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  539. <h4 id='method.trunc-2' class="method"><span id='trunc.v-2' class='invisible'><code>fn <a href='#method.trunc' class='fnname'>trunc</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  540. <h4 id='method.fract-2' class="method"><span id='fract.v-2' class='invisible'><code>fn <a href='#method.fract' class='fnname'>fract</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  541. <h4 id='method.abs-2' class="method"><span id='abs.v-2' class='invisible'><code>fn <a href='#method.abs' class='fnname'>abs</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  542. <h4 id='method.signum-2' class="method"><span id='signum.v-2' class='invisible'><code>fn <a href='#method.signum' class='fnname'>signum</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  543. <h4 id='method.is_sign_positive-2' class="method"><span id='is_sign_positive.v-2' class='invisible'><code>fn <a href='#method.is_sign_positive' class='fnname'>is_sign_positive</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  544. <h4 id='method.is_sign_negative-2' class="method"><span id='is_sign_negative.v-2' class='invisible'><code>fn <a href='#method.is_sign_negative' class='fnname'>is_sign_negative</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  545. <h4 id='method.min-2' class="method"><span id='min.v-2' class='invisible'><code>fn <a href='#method.min' class='fnname'>min</a>(self, other: Self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  546. <h4 id='method.max-2' class="method"><span id='max.v-2' class='invisible'><code>fn <a href='#method.max' class='fnname'>max</a>(self, other: Self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  547. <h4 id='method.recip-2' class="method"><span id='recip.v-2' class='invisible'><code>fn <a href='#method.recip' class='fnname'>recip</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  548. <h4 id='method.powi-2' class="method"><span id='powi.v-2' class='invisible'><code>fn <a href='#method.powi' class='fnname'>powi</a>(self, n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  549. <h4 id='method.to_degrees-1' class="method"><span id='to_degrees.v-2' class='invisible'><code>fn <a href='#method.to_degrees' class='fnname'>to_degrees</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  550. <h4 id='method.to_radians-1' class="method"><span id='to_radians.v-2' class='invisible'><code>fn <a href='#method.to_radians' class='fnname'>to_radians</a>(self) -&gt; Self</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/num_traits/macros.rs.html#9-11' title='goto source code'>[src]</a></span></h4>
  551. </div></span>
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