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<title>num_traits::float::FloatConst - Rust</title>
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<p class='location'>Trait FloatConst</p><div class="block items"><ul><li><a href="#required-methods">Required Methods</a></li><li><a href="#implementors">Implementors</a></li></ul></div><p class='location'><a href='../index.html'>num_traits</a>::<wbr><a href='index.html'>float</a></p><script>window.sidebarCurrent = {name: 'FloatConst', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script>
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<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=''>FloatConst</a></span><span class='out-of-band'><span id='render-detail'>
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</span><a class='srclink' href='../../src/num_traits/float.rs.html#1264-1266' title='goto source code'>[src]</a></span></h1>
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<pre class='rust trait'>pub trait FloatConst {
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fn <a href='#tymethod.E' class='fnname'>E</a>() -> Self;
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fn <a href='#tymethod.FRAC_1_PI' class='fnname'>FRAC_1_PI</a>() -> Self;
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fn <a href='#tymethod.FRAC_1_SQRT_2' class='fnname'>FRAC_1_SQRT_2</a>() -> Self;
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fn <a href='#tymethod.FRAC_2_PI' class='fnname'>FRAC_2_PI</a>() -> Self;
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fn <a href='#tymethod.FRAC_2_SQRT_PI' class='fnname'>FRAC_2_SQRT_PI</a>() -> Self;
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fn <a href='#tymethod.FRAC_PI_2' class='fnname'>FRAC_PI_2</a>() -> Self;
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fn <a href='#tymethod.FRAC_PI_3' class='fnname'>FRAC_PI_3</a>() -> Self;
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fn <a href='#tymethod.FRAC_PI_4' class='fnname'>FRAC_PI_4</a>() -> Self;
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fn <a href='#tymethod.FRAC_PI_6' class='fnname'>FRAC_PI_6</a>() -> Self;
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fn <a href='#tymethod.FRAC_PI_8' class='fnname'>FRAC_PI_8</a>() -> Self;
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fn <a href='#tymethod.LN_10' class='fnname'>LN_10</a>() -> Self;
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fn <a href='#tymethod.LN_2' class='fnname'>LN_2</a>() -> Self;
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fn <a href='#tymethod.LOG10_E' class='fnname'>LOG10_E</a>() -> Self;
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fn <a href='#tymethod.LOG2_E' class='fnname'>LOG2_E</a>() -> Self;
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fn <a href='#tymethod.PI' class='fnname'>PI</a>() -> Self;
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fn <a href='#tymethod.SQRT_2' class='fnname'>SQRT_2</a>() -> Self;
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}</pre>
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<h2 id='required-methods'>Required Methods</h2>
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<div class='methods'>
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<h3 id='tymethod.E' class='method'><span id='E.v' class='invisible'><code>fn <a href='#tymethod.E' class='fnname'>E</a>() -> Self</code></span></h3><div class='docblock'><p>Return Euler’s number.</p>
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</div><h3 id='tymethod.FRAC_1_PI' class='method'><span id='FRAC_1_PI.v' class='invisible'><code>fn <a href='#tymethod.FRAC_1_PI' class='fnname'>FRAC_1_PI</a>() -> Self</code></span></h3><div class='docblock'><p>Return <code>1.0 / π</code>.</p>
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</div><h3 id='tymethod.FRAC_1_SQRT_2' class='method'><span id='FRAC_1_SQRT_2.v' class='invisible'><code>fn <a href='#tymethod.FRAC_1_SQRT_2' class='fnname'>FRAC_1_SQRT_2</a>() -> Self</code></span></h3><div class='docblock'><p>Return <code>1.0 / sqrt(2.0)</code>.</p>
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</div><h3 id='tymethod.FRAC_2_PI' class='method'><span id='FRAC_2_PI.v' class='invisible'><code>fn <a href='#tymethod.FRAC_2_PI' class='fnname'>FRAC_2_PI</a>() -> Self</code></span></h3><div class='docblock'><p>Return <code>2.0 / π</code>.</p>
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</div><h3 id='tymethod.FRAC_2_SQRT_PI' class='method'><span id='FRAC_2_SQRT_PI.v' class='invisible'><code>fn <a href='#tymethod.FRAC_2_SQRT_PI' class='fnname'>FRAC_2_SQRT_PI</a>() -> Self</code></span></h3><div class='docblock'><p>Return <code>2.0 / sqrt(π)</code>.</p>
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</div><h3 id='tymethod.FRAC_PI_2' class='method'><span id='FRAC_PI_2.v' class='invisible'><code>fn <a href='#tymethod.FRAC_PI_2' class='fnname'>FRAC_PI_2</a>() -> Self</code></span></h3><div class='docblock'><p>Return <code>π / 2.0</code>.</p>
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</div><h3 id='tymethod.FRAC_PI_3' class='method'><span id='FRAC_PI_3.v' class='invisible'><code>fn <a href='#tymethod.FRAC_PI_3' class='fnname'>FRAC_PI_3</a>() -> Self</code></span></h3><div class='docblock'><p>Return <code>π / 3.0</code>.</p>
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</div><h3 id='tymethod.FRAC_PI_4' class='method'><span id='FRAC_PI_4.v' class='invisible'><code>fn <a href='#tymethod.FRAC_PI_4' class='fnname'>FRAC_PI_4</a>() -> Self</code></span></h3><div class='docblock'><p>Return <code>π / 4.0</code>.</p>
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</div><h3 id='tymethod.FRAC_PI_6' class='method'><span id='FRAC_PI_6.v' class='invisible'><code>fn <a href='#tymethod.FRAC_PI_6' class='fnname'>FRAC_PI_6</a>() -> Self</code></span></h3><div class='docblock'><p>Return <code>π / 6.0</code>.</p>
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</div><h3 id='tymethod.FRAC_PI_8' class='method'><span id='FRAC_PI_8.v' class='invisible'><code>fn <a href='#tymethod.FRAC_PI_8' class='fnname'>FRAC_PI_8</a>() -> Self</code></span></h3><div class='docblock'><p>Return <code>π / 8.0</code>.</p>
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</div><h3 id='tymethod.LN_10' class='method'><span id='LN_10.v' class='invisible'><code>fn <a href='#tymethod.LN_10' class='fnname'>LN_10</a>() -> Self</code></span></h3><div class='docblock'><p>Return <code>ln(10.0)</code>.</p>
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</div><h3 id='tymethod.LN_2' class='method'><span id='LN_2.v' class='invisible'><code>fn <a href='#tymethod.LN_2' class='fnname'>LN_2</a>() -> Self</code></span></h3><div class='docblock'><p>Return <code>ln(2.0)</code>.</p>
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</div><h3 id='tymethod.LOG10_E' class='method'><span id='LOG10_E.v' class='invisible'><code>fn <a href='#tymethod.LOG10_E' class='fnname'>LOG10_E</a>() -> Self</code></span></h3><div class='docblock'><p>Return <code>log10(e)</code>.</p>
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</div><h3 id='tymethod.LOG2_E' class='method'><span id='LOG2_E.v' class='invisible'><code>fn <a href='#tymethod.LOG2_E' class='fnname'>LOG2_E</a>() -> Self</code></span></h3><div class='docblock'><p>Return <code>log2(e)</code>.</p>
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</div><h3 id='tymethod.PI' class='method'><span id='PI.v' class='invisible'><code>fn <a href='#tymethod.PI' class='fnname'>PI</a>() -> Self</code></span></h3><div class='docblock'><p>Return Archimedes’ constant.</p>
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</div><h3 id='tymethod.SQRT_2' class='method'><span id='SQRT_2.v' class='invisible'><code>fn <a href='#tymethod.SQRT_2' class='fnname'>SQRT_2</a>() -> Self</code></span></h3><div class='docblock'><p>Return <code>sqrt(2.0)</code>.</p>
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</div></div>
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<h2 id='implementors'>Implementors</h2>
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<ul class='item-list' id='implementors-list'>
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<li><code>impl FloatConst for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a></code></li>
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<li><code>impl FloatConst for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a></code></li>
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