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Update and fix
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<p class='location'>Trait Signed</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</a></p><script>window.sidebarCurrent = {name: 'Signed', 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</a>::<wbr><a class="trait" href=''>Signed</a></span><span class='out-of-band'><span id='render-detail'>
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</span><a class='srclink' href='../src/num_traits/sign.rs.html#8-42' title='goto source code'>[src]</a></span></h1>
<pre class='rust trait'>pub trait Signed: <a class="trait" href="../num/trait.Num.html" title="trait num::Num">Num</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; {
fn <a href='#tymethod.abs' class='fnname'>abs</a>(&amp;self) -&gt; Self;
fn <a href='#tymethod.abs_sub' class='fnname'>abs_sub</a>(&amp;self, other: &amp;Self) -&gt; Self;
fn <a href='#tymethod.signum' class='fnname'>signum</a>(&amp;self) -&gt; Self;
fn <a href='#tymethod.is_positive' class='fnname'>is_positive</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>;
fn <a href='#tymethod.is_negative' class='fnname'>is_negative</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>;
}</pre><div class='docblock'><p>Useful functions for signed numbers (i.e. numbers that can be negative).</p>
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<h2 id='required-methods'>Required Methods</h2>
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<h3 id='tymethod.abs' class='method'><span id='abs.v' class='invisible'><code>fn <a href='#tymethod.abs' class='fnname'>abs</a>(&amp;self) -&gt; Self</code></span></h3><div class='docblock'><p>Computes the absolute value.</p>
<p>For <code>f32</code> and <code>f64</code>, <code>NaN</code> will be returned if the number is <code>NaN</code>.</p>
<p>For signed integers, <code>::MIN</code> will be returned if the number is <code>::MIN</code>.</p>
</div><h3 id='tymethod.abs_sub' class='method'><span id='abs_sub.v' class='invisible'><code>fn <a href='#tymethod.abs_sub' class='fnname'>abs_sub</a>(&amp;self, other: &amp;Self) -&gt; Self</code></span></h3><div class='docblock'><p>The positive difference of two numbers.</p>
<p>Returns <code>zero</code> if the number is less than or equal to <code>other</code>, otherwise the difference
between <code>self</code> and <code>other</code> is returned.</p>
</div><h3 id='tymethod.signum' class='method'><span id='signum.v' class='invisible'><code>fn <a href='#tymethod.signum' class='fnname'>signum</a>(&amp;self) -&gt; Self</code></span></h3><div class='docblock'><p>Returns the sign of the number.</p>
<p>For <code>f32</code> and <code>f64</code>:</p>
<ul>
<li><code>1.0</code> if the number is positive, <code>+0.0</code> or <code>INFINITY</code></li>
<li><code>-1.0</code> if the number is negative, <code>-0.0</code> or <code>NEG_INFINITY</code></li>
<li><code>NaN</code> if the number is <code>NaN</code></li>
</ul>
<p>For signed integers:</p>
<ul>
<li><code>0</code> if the number is zero</li>
<li><code>1</code> if the number is positive</li>
<li><code>-1</code> if the number is negative</li>
</ul>
</div><h3 id='tymethod.is_positive' class='method'><span id='is_positive.v' class='invisible'><code>fn <a href='#tymethod.is_positive' class='fnname'>is_positive</a>(&amp;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 true if the number is positive and false if the number is zero or negative.</p>
</div><h3 id='tymethod.is_negative' class='method'><span id='is_negative.v' class='invisible'><code>fn <a href='#tymethod.is_negative' class='fnname'>is_negative</a>(&amp;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 true if the number is negative and false if the number is zero or positive.</p>
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<h2 id='implementors'>Implementors</h2>
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Update docs
2017-07-16 21:37:37 +00:00
<li><code>impl Signed for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a></code></li>
Update and fix
2017-07-14 23:30:16 +00:00
<li><code>impl Signed for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a></code></li>
Update
2017-07-16 00:16:24 +00:00
<li><code>impl Signed for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a></code></li>
Update docs
2017-07-16 21:37:37 +00:00
<li><code>impl&lt;T&gt; Signed for <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="../num/trait.Signed.html" title="trait num::Signed">Signed</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;: <a class="trait" href="../num/trait.Num.html" title="trait num::Num">Num</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/arith/trait.Neg.html" title="trait core::ops::arith::Neg">Neg</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt; as <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/arith/trait.Neg.html" title="trait core::ops::arith::Neg">Neg</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/ops/arith/trait.Neg.html#associatedtype.Output" title="type core::ops::arith::Neg::Output">Output</a> == <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;,&nbsp;</span></code></li>
<li><code>impl Signed for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a></code></li>
Update
2017-07-16 00:16:24 +00:00
<li><code>impl Signed for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a></code></li>
Update docs
2017-07-16 21:37:37 +00:00
<li><code>impl Signed for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a></code></li>
<li><code>impl Signed for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a></code></li>
Update and fix
2017-07-14 23:30:16 +00:00
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