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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="API documentation for the Rust `magnitude_squared` fn in crate `nalgebra`."><meta name="keywords" content="rust, rustlang, rust-lang, magnitude_squared"><title>nalgebra::magnitude_squared - Rust</title><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="../dark.css"><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="shortcut icon" href="http://nalgebra.org/img/favicon.ico"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../nalgebra/index.html'><div class='logo-container'><img src='../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class='location'><a href='index.html'>nalgebra</a></p><script>window.sidebarCurrent = {name: 'magnitude_squared', ty: 'fn', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form js-only"><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><a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><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/nalgebra/lib.rs.html#551-553' title='goto source code'>[src]</a></span><span class='in-band'>Function <a href='index.html'>nalgebra</a>::<wbr><a class="fn" href=''>magnitude_squared</a></span></h1><pre class='rust fn'>pub fn magnitude_squared<V: <a class="trait" href="../alga/linear/vector/trait.NormedSpace.html" title="trait alga::linear::vector::NormedSpace">NormedSpace</a>>(v: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>V) -> V::<a class="type" href="../alga/linear/vector/trait.NormedSpace.html#associatedtype.RealField" title="type alga::linear::vector::NormedSpace::RealField">RealField</a></pre><div class='stability'><div class='stab deprecated'>Deprecated: <p>use <code>Matrix::magnitude_squared</code> or <code>Quaternion::magnitude_squared</code> instead</p>
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</div></div><div class='docblock'><p>A synonym for <a href="fn.norm_squared.html"><code>norm_squared</code></a>,
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aka length squared.</p>
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<h1 id="see-also" class="section-header"><a href="#see-also">See also:</a></h1>
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<ul>
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<li><a href="fn.magnitude.html"><code>magnitude</code></a></li>
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<li><a href="fn.norm.html"><code>norm</code></a></li>
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<li><a href="fn.norm_squared.html"><code>norm_squared</code></a></li>
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</ul>
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<h1 id="deprecated" class="section-header"><a href="#deprecated">Deprecated</a></h1>
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<p>Use these methods instead:</p>
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<ul>
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<li>[Matrix::magnitude_squared]</li>
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<li>[Quaternion::magnitude_squared]</li>
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</ul>
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<p>Or, use <a href="https://docs.rs/alga/0.7.2/alga/linear/trait.NormedSpace.html#tymethod.norm_squared">NormedSpace::norm_squared</a>.</p>
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