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<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="API documentation for the Rust `Scalar` trait in crate `nalgebra`."><metaname="keywords"content="rust, rustlang, rust-lang, Scalar"><title>nalgebra::base::Scalar - Rust</title><linkrel="stylesheet"type="text/css"href="../../normalize.css"><linkrel="stylesheet"type="text/css"href="../../rustdoc.css"id="mainThemeStyle"><linkrel="stylesheet"type="text/css"href="../../dark.css"><linkrel="stylesheet"type="text/css"href="../../light.css"id="themeStyle"><scriptsrc="../../storage.js"></script><noscript><linkrel="stylesheet"href="../../noscript.css"></noscript><linkrel="shortcut icon"href="http://nalgebra.org/img/favicon.ico"><styletype="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><bodyclass="rustdoc trait"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="sidebar"><divclass="sidebar-menu">☰</div><ahref='../../nalgebra/index.html'><divclass='logo-container'><imgsrc='../../rust-logo.png'alt='logo'></div></a><pclass='location'>Trait Scalar</p><divclass="sidebar-elems"><divclass="block items"><aclass="sidebar-title"href="#provided-methods">Provided Methods</a><divclass="sidebar-links"><ahref="#method.is">is</a></div><aclass="sidebar-title"href="#implementors">Implementors</a></div><pclass='location'><ahref='../index.html'>nalgebra</a>::<wbr><ahref='index.html'>base</a></p><script>window.sidebarCurrent={name:'Scalar',ty:'trait',relpath:''};</script><scriptdefersrc="sidebar-items.js"></script></div></nav><divclass="theme-picker"><buttonid="theme-picker"aria-label="Pick another theme!"><imgsrc="../../brush.svg"width="18"alt="Pick another theme!"></button><divid="theme-choices"></div></div><scriptsrc="../../theme.js"></script><navclass="sub"><formclass="search-form js-only"><divclass="search-container"><div><selectid="crate-search"><optionvalue="All crates">All crates</option></select><inputclass="search-input"name="search"autocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"></div><aid="settings-menu"href="../../settings.html"><imgsrc="../../wheel.svg"width="18"alt="Change settings"></a></div></form></nav><sectionid="main"class="content"><h1class='fqn'><spanclass='out-of-band'><spanid='render-detail'><aid="toggle-all-docs"href="javascript:void(0)"title="collapse all docs">[<spanclass='inner'>−</span>]</a></span><aclass='srclink'href='../../src/nalgebra/base/scalar.rs.html#8-16'title='goto source code'>[src]</a></span><spanclass='in-band'>Trait <ahref='../index.html'>nalgebra</a>::<wbr><ahref='index.html'>base</a>::<wbr><aclass="trait"href=''>Scalar</a></span></h1><divclass="docblock type-decl hidden-by-usual-hider"><preclass='rust trait'>pub trait Scalar: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Copy.html"title="trait core::marker::Copy">Copy</a> + <aclass="trait"href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html"title="trait core::cmp::PartialEq">PartialEq</a> + <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html"title="trait core::fmt::Debug">Debug</a> + <aclass="trait"href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html"title="trait core::any::Any">Any</a> {
}</pre></div><divclass='docblock'><p>The basic scalar type for all structures of <code>nalgebra</code>.</p>
<p>This does not make any assumption on the algebraic properties of <code>Self</code>.</p>
</div>
<h2id='provided-methods'class='small-section-header'>Provided methods<ahref='#provided-methods'class='anchor'></a></h2><divclass='methods'><h3id='method.is'class='method'><codeid='is.v'>fn <ahref='#method.is'class='fnname'>is</a><T: <aclass="trait"href="../../nalgebra/base/trait.Scalar.html"title="trait nalgebra::base::Scalar">Scalar</a>>() -><aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></h3><divclass='docblock'><p>Tests if <code>Self</code> the same as the type <code>T</code></p>
<p>Typically used to test of <code>Self</code> is a f32 or a f64 with <code>N::is::<f32>()</code>.</p>
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