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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Useful functions for signed numbers (i.e. numbers that can be negative)."><meta name="keywords" content="rust, rustlang, rust-lang, Signed"><title>Signed in num_traits::sign - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script src="../../crates.js"></script><script defer src="../../main.js"></script>
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</a><h2 class="location">Trait Signed</h2><div class="sidebar-elems"><div class="block items"><h3 class="sidebar-title"><a href="#required-methods">Required Methods</a></h3><div class="sidebar-links"><a href="#tymethod.abs">abs</a><a href="#tymethod.abs_sub">abs_sub</a><a href="#tymethod.is_negative">is_negative</a><a href="#tymethod.is_positive">is_positive</a><a href="#tymethod.signum">signum</a></div><h3 class="sidebar-title"><a href="#foreign-impls">Implementations on Foreign Types</a></h3><div class="sidebar-links"><a href="#impl-Signed-for-Wrapping%3CT%3E">Wrapping<T></a><a href="#impl-Signed-for-f32">f32</a><a href="#impl-Signed-for-f64">f64</a><a href="#impl-Signed-for-i128">i128</a><a href="#impl-Signed-for-i16">i16</a><a href="#impl-Signed-for-i32">i32</a><a href="#impl-Signed-for-i64">i64</a><a href="#impl-Signed-for-i8">i8</a><a href="#impl-Signed-for-isize">isize</a></div><h3 class="sidebar-title"><a href="#implementors">Implementors</a></h3></div><h2 class="location">Other items in<br><a href="../index.html">num_traits</a>::<wbr><a href="index.html">sign</a></h2><div id="sidebar-vars" data-name="Signed" data-ty="trait" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../num_traits/index.html"><img class="rust-logo" src="../../rust-logo.png" alt="logo"></a><nav class="sub"><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../settings.html" title="settings"><img width="18" height="18" alt="Change settings" src="../../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><h1 class="fqn"><span class="in-band">Trait <a href="../index.html">num_traits</a>::<wbr><a href="index.html">sign</a>::<wbr><a class="trait" href="#">Signed</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span><a class="srclink" href="../../src/num_traits/sign.rs.html#8-42" title="goto source code">[src]</a></span></h1><div class="docblock item-decl"><pre class="rust trait"><code>pub trait Signed: <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="../trait.Num.html" title="trait num_traits::Num">Num</a> + <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/ops/arith/trait.Neg.html" title="trait core::ops::arith::Neg">Neg</a><Output = Self> {
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fn <a href="#tymethod.abs" class="fnname">abs</a>(&self) -> Self;
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<div class="item-spacer"></div> fn <a href="#tymethod.abs_sub" class="fnname">abs_sub</a>(&self, other: <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&</a>Self) -> Self;
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<div class="item-spacer"></div> fn <a href="#tymethod.signum" class="fnname">signum</a>(&self) -> Self;
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<div class="item-spacer"></div> fn <a href="#tymethod.is_positive" class="fnname">is_positive</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a>;
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<div class="item-spacer"></div> fn <a href="#tymethod.is_negative" class="fnname">is_negative</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a>;
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}</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Useful functions for signed numbers (i.e. numbers that can be negative).</p>
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</div></details><h2 id="required-methods" class="small-section-header">Required methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><details class="rustdoc-toggle" open><summary><div id="tymethod.abs" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#14" title="goto source code">[src]</a></div><h4 class="code-header">fn <a href="#tymethod.abs" class="fnname">abs</a>(&self) -> Self</h4></div></summary><div class="docblock"><p>Computes the absolute value.</p>
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<p>For <code>f32</code> and <code>f64</code>, <code>NaN</code> will be returned if the number is <code>NaN</code>.</p>
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<p>For signed integers, <code>::MIN</code> will be returned if the number is <code>::MIN</code>.</p>
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</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.abs_sub" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#20" title="goto source code">[src]</a></div><h4 class="code-header">fn <a href="#tymethod.abs_sub" class="fnname">abs_sub</a>(&self, other: <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&</a>Self) -> Self</h4></div></summary><div class="docblock"><p>The positive difference of two numbers.</p>
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<p>Returns <code>zero</code> if the number is less than or equal to <code>other</code>, otherwise the difference
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between <code>self</code> and <code>other</code> is returned.</p>
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</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.signum" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#35" title="goto source code">[src]</a></div><h4 class="code-header">fn <a href="#tymethod.signum" class="fnname">signum</a>(&self) -> Self</h4></div></summary><div class="docblock"><p>Returns the sign of the number.</p>
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<p>For <code>f32</code> and <code>f64</code>:</p>
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<ul>
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<li><code>1.0</code> if the number is positive, <code>+0.0</code> or <code>INFINITY</code></li>
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<li><code>-1.0</code> if the number is negative, <code>-0.0</code> or <code>NEG_INFINITY</code></li>
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<li><code>NaN</code> if the number is <code>NaN</code></li>
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</ul>
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<p>For signed integers:</p>
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<ul>
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<li><code>0</code> if the number is zero</li>
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<li><code>1</code> if the number is positive</li>
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<li><code>-1</code> if the number is negative</li>
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</ul>
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</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.is_positive" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#38" title="goto source code">[src]</a></div><h4 class="code-header">fn <a href="#tymethod.is_positive" class="fnname">is_positive</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div></summary><div class="docblock"><p>Returns true if the number is positive and false if the number is zero or negative.</p>
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</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.is_negative" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#41" title="goto source code">[src]</a></div><h4 class="code-header">fn <a href="#tymethod.is_negative" class="fnname">is_negative</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div></summary><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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</div></details></div><h2 id="foreign-impls" class="small-section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor"></a></h2><details class="rustdoc-toggle implementors-toggle"><summary><div id="impl-Signed-for-isize" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#impl-Signed-for-isize" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.Signed.html" title="trait num_traits::sign::Signed">Signed</a> for <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.isize.html">isize</a></h3></div></summary><div class="impl-items"><div id="method.abs" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.abs" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.abs" class="fnname">abs</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.isize.html">isize</a></h4></div><div id="method.abs_sub" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.abs_sub" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.abs_sub" class="fnname">abs_sub</a>(&self, other: &<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.isize.html">isize</a>) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.isize.html">isize</a></h4></div><div id="method.signum" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.signum" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.signum" class="fnname">signum</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.isize.html">isize</a></h4></div><div id="method.is_positive" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.is_positive" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.is_positive" class="fnname">is_positive</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div><div id="method.is_negative" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.is_negative" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.is_negative" class="fnname">is_negative</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div></div></details><details class="rustdoc-toggle implementors-toggle"><summary><div id="impl-Signed-for-i8" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#impl-Signed-for-i8" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.Signed.html" title="trait num_traits::sign::Signed">Signed</a> for <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i8.html">i8</a></h3></div></summary><div class="impl-items"><div id="method.abs-1" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.abs-1" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.abs" class="fnname">abs</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i8.html">i8</a></h4></div><div id="method.abs_sub-1" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.abs_sub-1" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.abs_sub" class="fnname">abs_sub</a>(&self, other: &<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i8.html">i8</a>) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i8.html">i8</a></h4></div><div id="method.signum-1" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.signum-1" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.signum" class="fnname">signum</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i8.html">i8</a></h4></div><div id="method.is_positive-1" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.is_positive-1" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.is_positive" class="fnname">is_positive</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div><div id="method.is_negative-1" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.is_negative-1" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.is_negative" class="fnname">is_negative</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div></div></details><details class="rustdoc-toggle implementors-toggle"><summary><div id="impl-Signed-for-i16" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#impl-Signed-for-i16" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.Signed.html" title="trait num_traits::sign::Signed">Signed</a> for <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i16.html">i16</a></h3></div></summary><div class="impl-items"><div id="method.abs-2" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.abs-2" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.abs" class="fnname">abs</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i16.html">i16</a></h4></div><div id="method.abs_sub-2" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.abs_sub-2" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.abs_sub" class="fnname">abs_sub</a>(&self, other: &<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i16.html">i16</a>) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i16.html">i16</a></h4></div><div id="method.signum-2" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.signum-2" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.signum" class="fnname">signum</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i16.html">i16</a></h4></div><div id="method.is_positive-2" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.is_positive-2" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.is_positive" class="fnname">is_positive</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div><div id="method.is_negative-2" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.is_negative-2" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.is_negative" class="fnname">is_negative</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div></div></details><details class="rustdoc-toggle implementors-toggle"><summary><div id="impl-Signed-for-i32" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#impl-Signed-for-i32" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.Signed.html" title="trait num_traits::sign::Signed">Signed</a> for <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i32.html">i32</a></h3></div></summary><div class="impl-items"><div id="method.abs-3" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.abs-3" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.abs" class="fnname">abs</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i32.html">i32</a></h4></div><div id="method.abs_sub-3" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.abs_sub-3" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.abs_sub" class="fnname">abs_sub</a>(&self, other: &<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i32.html">i32</a>) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i32.html">i32</a></h4></div><div id="method.signum-3" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.signum-3" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.signum" class="fnname">signum</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i32.html">i32</a></h4></div><div id="method.is_positive-3" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.is_positive-3" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.is_positive" class="fnname">is_positive</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div><div id="method.is_negative-3" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.is_negative-3" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.is_negative" class="fnname">is_negative</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div></div></details><details class="rustdoc-toggle implementors-toggle"><summary><div id="impl-Signed-for-i64" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#impl-Signed-for-i64" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.Signed.html" title="trait num_traits::sign::Signed">Signed</a> for <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i64.html">i64</a></h3></div></summary><div class="impl-items"><div id="method.abs-4" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.abs-4" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.abs" class="fnname">abs</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i64.html">i64</a></h4></div><div id="method.abs_sub-4" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.abs_sub-4" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.abs_sub" class="fnname">abs_sub</a>(&self, other: &<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i64.html">i64</a>) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i64.html">i64</a></h4></div><div id="method.signum-4" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.signum-4" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.signum" class="fnname">signum</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i64.html">i64</a></h4></div><div id="method.is_positive-4" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.is_positive-4" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.is_positive" class="fnname">is_positive</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div><div id="method.is_negative-4" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#75" title="goto source code">[src]</a></div><a href="#method.is_negative-4" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.is_negative" class="fnname">is_negative</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div></div></details><details class="rustdoc-toggle implementors-toggle"><summary><div id="impl-Signed-for-i128" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#78" title="goto source code">[src]</a></div><a href="#impl-Signed-for-i128" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.Signed.html" title="trait num_traits::sign::Signed">Signed</a> for <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i128.html">i128</a></h3></div></summary><div class="impl-items"><div id="method.abs-5" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#78" title="goto source code">[src]</a></div><a href="#method.abs-5" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.abs" class="fnname">abs</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i128.html">i128</a></h4></div><div id="method.abs_sub-5" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#78" title="goto source code">[src]</a></div><a href="#method.abs_sub-5" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.abs_sub" class="fnname">abs_sub</a>(&self, other: &<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i128.html">i128</a>) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i128.html">i128</a></h4></div><div id="method.signum-5" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#78" title="goto source code">[src]</a></div><a href="#method.signum-5" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.signum" class="fnname">signum</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.i128.html">i128</a></h4></div><div id="method.is_positive-5" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#78" title="goto source code">[src]</a></div><a href="#method.is_positive-5" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.is_positive" class="fnname">is_positive</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div><div id="method.is_negative-5" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#78" title="goto source code">[src]</a></div><a href="#method.is_negative-5" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.is_negative" class="fnname">is_negative</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div></div></details><details class="rustdoc-toggle implementors-toggle"><summary><div id="impl-Signed-for-Wrapping%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#80-108" title="goto source code">[src]</a></div><a href="#impl-Signed-for-Wrapping%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl<T: <a class="trait" href="trait.Signed.html" title="trait num_traits::sign::Signed">Signed</a>> <a class="trait" href="trait.Signed.html" title="trait num_traits::sign::Signed">Signed</a> for <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/num/wrapping/struct.Wrapping.html" title="struct core::num::wrapping::Wrapping">Wrapping</a><T> <span class="where fmt-newline">where<br> <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/num/wrapping/struct.Wrapping.html" title="struct core::num::wrapping::Wrapping">Wrapping</a><T>: <a class="trait" href="../trait.Num.html" title="trait num_traits::Num">Num</a> + <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/ops/arith/trait.Neg.html" title="trait core::ops::arith::Neg">Neg</a><Output = <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/num/wrapping/struct.Wrapping.html" title="struct core::num::wrapping::Wrapping">Wrapping</a><T>>, </span></h3></div></summary><div class="impl-items"><div id="method.abs-6" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#85-87" title="goto source code">[src]</a></div><a href="#method.abs-6" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.abs" class="fnname">abs</a>(&self) -> Self</h4></div><div id="method.abs_sub-6" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#90-92" title="goto source code">[src]</a></div><a href="#method.abs_sub-6" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.abs_sub" class="fnname">abs_sub</a>(&self, other: <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&</a>Self) -> Self</h4></div><div id="method.signum-6" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#95-97" title="goto source code">[src]</a></div><a href="#method.signum-6" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.signum" class="fnname">signum</a>(&self) -> Self</h4></div><div id="method.is_positive-6" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#100-102" title="goto source code">[src]</a></div><a href="#method.is_positive-6" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.is_positive" class="fnname">is_positive</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div><div id="method.is_negative-6" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#105-107" title="goto source code">[src]</a></div><a href="#method.is_negative-6" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.is_negative" class="fnname">is_negative</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div></div></details><details class="rustdoc-toggle implementors-toggle"><summary><div id="impl-Signed-for-f32" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#156" title="goto source code">[src]</a></div><a href="#impl-Signed-for-f32" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.Signed.html" title="trait num_traits::sign::Signed">Signed</a> for <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.f32.html">f32</a></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.abs-7" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#156" title="goto source code">[src]</a></div><a href="#method.abs-7" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.abs" class="fnname">abs</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.f32.html">f32</a></h4></div></summary><div class="docblock"><p>Computes the absolute value. Returns <code>NAN</code> if the number is <code>NAN</code>.</p>
|
||
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.abs_sub-7" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#156" title="goto source code">[src]</a></div><a href="#method.abs_sub-7" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.abs_sub" class="fnname">abs_sub</a>(&self, other: &<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.f32.html">f32</a>) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.f32.html">f32</a></h4></div></summary><div class="docblock"><p>The positive difference of two numbers. Returns <code>0.0</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></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.signum-7" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#156" title="goto source code">[src]</a></div><a href="#method.signum-7" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.signum" class="fnname">signum</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.f32.html">f32</a></h4></div></summary><div class="docblock"><h5 id="returns" class="section-header"><a href="#returns">Returns</a></h5>
|
||
<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 NaN</li>
|
||
</ul>
|
||
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.is_positive-7" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#156" title="goto source code">[src]</a></div><a href="#method.is_positive-7" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.is_positive" class="fnname">is_positive</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div></summary><div class="docblock"><p>Returns <code>true</code> if the number is positive, including <code>+0.0</code> and <code>INFINITY</code></p>
|
||
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.is_negative-7" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#156" title="goto source code">[src]</a></div><a href="#method.is_negative-7" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.is_negative" class="fnname">is_negative</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div></summary><div class="docblock"><p>Returns <code>true</code> if the number is negative, including <code>-0.0</code> and <code>NEG_INFINITY</code></p>
|
||
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><div id="impl-Signed-for-f64" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#157" title="goto source code">[src]</a></div><a href="#impl-Signed-for-f64" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.Signed.html" title="trait num_traits::sign::Signed">Signed</a> for <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.f64.html">f64</a></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.abs-8" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#157" title="goto source code">[src]</a></div><a href="#method.abs-8" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.abs" class="fnname">abs</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.f64.html">f64</a></h4></div></summary><div class="docblock"><p>Computes the absolute value. Returns <code>NAN</code> if the number is <code>NAN</code>.</p>
|
||
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.abs_sub-8" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#157" title="goto source code">[src]</a></div><a href="#method.abs_sub-8" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.abs_sub" class="fnname">abs_sub</a>(&self, other: &<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.f64.html">f64</a>) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.f64.html">f64</a></h4></div></summary><div class="docblock"><p>The positive difference of two numbers. Returns <code>0.0</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></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.signum-8" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#157" title="goto source code">[src]</a></div><a href="#method.signum-8" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.signum" class="fnname">signum</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.f64.html">f64</a></h4></div></summary><div class="docblock"><h5 id="returns-1" class="section-header"><a href="#returns-1">Returns</a></h5>
|
||
<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 NaN</li>
|
||
</ul>
|
||
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.is_positive-8" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#157" title="goto source code">[src]</a></div><a href="#method.is_positive-8" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.is_positive" class="fnname">is_positive</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div></summary><div class="docblock"><p>Returns <code>true</code> if the number is positive, including <code>+0.0</code> and <code>INFINITY</code></p>
|
||
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.is_negative-8" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/num_traits/sign.rs.html#157" title="goto source code">[src]</a></div><a href="#method.is_negative-8" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.is_negative" class="fnname">is_negative</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div></summary><div class="docblock"><p>Returns <code>true</code> if the number is negative, including <code>-0.0</code> and <code>NEG_INFINITY</code></p>
|
||
</div></details></div></details><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"></div><script type="text/javascript" src="../../implementors/num_traits/sign/trait.Signed.js" async></script></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="num_traits" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.59.0 (9d1b2106e 2022-02-23)" ></div>
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