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Trac3r-rust/doc/cgmath/prelude/trait.Matrix.html

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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 `Matrix` trait in crate `cgmath`."><meta name="keywords" content="rust, rustlang, rust-lang, Matrix"><title>cgmath::prelude::Matrix - 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="../../favicon.ico"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc trait"><!--[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">&#9776;</div><a href='../../cgmath/index.html'><div class='logo-container'><img src='../../rust-logo.png' alt='logo'></div></a><p class='location'>Trait Matrix</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#associated-types">Associated Types</a><div class="sidebar-links"><a href="#associatedtype.Row">Row</a><a href="#associatedtype.Column">Column</a><a href="#associatedtype.Transpose">Transpose</a></div><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.row">row</a><a href="#tymethod.swap_columns">swap_columns</a><a href="#tymethod.swap_elements">swap_elements</a><a href="#tymethod.swap_rows">swap_rows</a><a href="#tymethod.transpose">transpose</a></div><a class="sidebar-title" href="#provided-methods">Provided Methods</a><div class="sidebar-links"><a href="#method.as_mut_ptr">as_mut_ptr</a><a href="#method.as_ptr">as_ptr</a><a href="#method.replace_col">replace_col</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='../index.html'>cgmath</a>::<wbr><a href='index.html'>prelude</a></p><script>window.sidebarCurrent = {name: 'Matrix', ty: 'trait', 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'>&#x2212;</span>]</a></span><a class='srclink' href='../../src/cgmath/structure.rs.html#428-480' title='goto source code'>[src]</a></span><span class='in-band'>Trait <a href='../index.html'>cgmath</a>::<wbr><a href='index.html'>prelude</a>::<wbr><a class="trait" href=''>Matrix</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust trait'>pub trait Matrix: <a class="trait" href="../../cgmath/prelude/trait.VectorSpace.html" title="trait cgmath::prelude::VectorSpace">VectorSpace</a> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self::<a class="type" href="../../cgmath/prelude/trait.VectorSpace.html#associatedtype.Scalar" title="type cgmath::prelude::VectorSpace::Scalar">Scalar</a>: <a class="trait"
type <a href='#associatedtype.Row' class="type">Row</a>: <a class="trait" href="../../cgmath/prelude/trait.VectorSpace.html" title="trait cgmath::prelude::VectorSpace">VectorSpace</a>&lt;Scalar = Self::<a class="type" href="../../cgmath/prelude/trait.VectorSpace.html#associatedtype.Scalar" title="type cgmath::prelude::VectorSpace::Scalar">Scalar</a>&gt; + <a class="trait" href="../../cgmath/prelude/trait.Array.html" title="trait cgmath::prelude::Array">Array</a>&lt;Element = Self::<a class="type" href="../../cgmath/prelude/trait.VectorSpace.html#associatedtype.Scalar" title="type cgmath::prelude::VectorSpace::Scalar">Scalar</a>&gt;;
type <a href='#associatedtype.Column' class="type">Column</a>: <a class="trait" href="../../cgmath/prelude/trait.VectorSpace.html" title="trait cgmath::prelude::VectorSpace">VectorSpace</a>&lt;Scalar = Self::<a class="type" href="../../cgmath/prelude/trait.VectorSpace.html#associatedtype.Scalar" title="type cgmath::prelude::VectorSpace::Scalar">Scalar</a>&gt; + <a class="trait" href="../../cgmath/prelude/trait.Array.html" title="trait cgmath::prelude::Array">Array</a>&lt;Element = Self::<a class="type" href="../../cgmath/prelude/trait.VectorSpace.html#associatedtype.Scalar" title="type cgmath::prelude::VectorSpace::Scalar">Scalar</a>&gt;;
type <a href='#associatedtype.Transpose' class="type">Transpose</a>: <a class="trait" href="../../cgmath/prelude/trait.Matrix.html" title="trait cgmath::prelude::Matrix">Matrix</a>&lt;Scalar = Self::<a class="type" href="../../cgmath/prelude/trait.VectorSpace.html#associatedtype.Scalar" title="type cgmath::prelude::VectorSpace::Scalar">Scalar</a>, Row = Self::<a class="type" href="../../cgmath/prelude/trait.Matrix.html#associatedtype.Column" title="type cgmath::prelude::Matrix::Column">Column</a>, Column = Self::<a class="type" href="../../cgmath/prelude/trait.Matrix.html#associatedtype.Row" title="type cgmath::prelude::Matrix::Row">Row</a>&gt;;
fn <a href='#tymethod.row' class='fnname'>row</a>(&amp;self, r: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; Self::<a class="type" href="../../cgmath/prelude/trait.Matrix.html#associatedtype.Row" title="type cgmath::prelude::Matrix::Row">Row</a>;
<div class='item-spacer'></div> fn <a href='#tymethod.swap_rows' class='fnname'>swap_rows</a>(&amp;mut self, a: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, b: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>);
<div class='item-spacer'></div> fn <a href='#tymethod.swap_columns' class='fnname'>swap_columns</a>(&amp;mut self, a: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, b: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>);
<div class='item-spacer'></div> fn <a href='#tymethod.swap_elements' class='fnname'>swap_elements</a>(&amp;mut self, a: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>, b: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>);
<div class='item-spacer'></div> fn <a href='#tymethod.transpose' class='fnname'>transpose</a>(&amp;self) -&gt; Self::<a class="type" href="../../cgmath/prelude/trait.Matrix.html#associatedtype.Transpose" title="type cgmath::prelude::Matrix::Transpose">Transpose</a>;
fn <a href='#method.as_ptr' class='fnname'>as_ptr</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*const </a>Self::<a class="type" href="../../cgmath/prelude/trait.VectorSpace.html#associatedtype.Scalar" title="type cgmath::prelude::VectorSpace::Scalar">Scalar</a> { ... }
<div class='item-spacer'></div> fn <a href='#method.as_mut_ptr' class='fnname'>as_mut_ptr</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*mut </a>Self::<a class="type" href="../../cgmath/prelude/trait.VectorSpace.html#associatedtype.Scalar" title="type cgmath::prelude::VectorSpace::Scalar">Scalar</a> { ... }
<div class='item-spacer'></div> fn <a href='#method.replace_col' class='fnname'>replace_col</a>(&amp;mut self, c: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, src: Self::<a class="type" href="../../cgmath/prelude/trait.Matrix.html#associatedtype.Column" title="type cgmath::prelude::Matrix::Column">Column</a>) -&gt; Self::<a class="type" href="../../cgmath/prelude/trait.Matrix.html#associatedtype.Column" title="type cgmath::prelude::Matrix::Column">Column</a> { ... }
}</pre></div><div class='docblock'><p>A column-major matrix of arbitrary dimensions.</p>
<p>Because this is constrained to the <code>VectorSpace</code> trait, this means that
following operators are required to be implemented:</p>
<p>Matrix addition:</p>
<ul>
<li><code>Add&lt;Output = Self&gt;</code></li>
<li><code>Sub&lt;Output = Self&gt;</code></li>
<li><code>Neg&lt;Output = Self&gt;</code></li>
</ul>
<p>Scalar multiplication:</p>
<ul>
<li><code>Mul&lt;Self::Scalar, Output = Self&gt;</code></li>
<li><code>Div&lt;Self::Scalar, Output = Self&gt;</code></li>
<li><code>Rem&lt;Self::Scalar, Output = Self&gt;</code></li>
</ul>
<p>Note that matrix multiplication is not required for implementors of this
trait. This is due to the complexities of implementing these operators with
Rust's current type system. For the multiplication of square matrices,
see <code>SquareMatrix</code>.</p>
</div>
<h2 id='associated-types' class='small-section-header'>Associated Types<a href='#associated-types' class='anchor'></a></h2><div class='methods'><h3 id='associatedtype.Row' class='method'><code id='Row.t'>type <a href='#associatedtype.Row' class="type">Row</a>: <a class="trait" href="../../cgmath/prelude/trait.VectorSpace.html" title="trait cgmath::prelude::VectorSpace">VectorSpace</a>&lt;Scalar = Self::<a class="type" href="../../cgmath/prelude/trait.VectorSpace.html#associatedtype.Scalar" title="type cgmath::prelude::VectorSpace::Scalar">Scalar</a>&gt; + <a class="trait" href="../../cgmath/prelude/trait.Array.html" title="trait cgmath::prelude::Array">Array</a>&lt;Element = Self::<a class="type" href="../../cgmath/prelude/trait.VectorSpace.html#associatedtype.Scalar" title="type cgmath::prelude::VectorSpace::Scalar">Scalar</a>&gt;</code></h3><div class='docblock'><p>The row vector of the matrix.</p>
</div><h3 id='associatedtype.Column' class='method'><code id='Column.t'>type <a href='#associatedtype.Column' class="type">Column</a>: <a class="trait" href="../../cgmath/prelude/trait.VectorSpace.html" title="trait cgmath::prelude::VectorSpace">VectorSpace</a>&lt;Scalar = Self::<a class="type" href="../../cgmath/prelude/trait.VectorSpace.html#associatedtype.Scalar" title="type cgmath::prelude::VectorSpace::Scalar">Scalar</a>&gt; + <a class="trait" href="../../cgmath/prelude/trait.Array.html" title="trait cgmath::prelude::Array">Array</a>&lt;Element = Self::<a class="type" href="../../cgmath/prelude/trait.VectorSpace.html#associatedtype.Scalar" title="type cgmath::prelude::VectorSpace::Scalar">Scalar</a>&gt;</code></h3><div class='docblock'><p>The column vector of the matrix.</p>
</div><h3 id='associatedtype.Transpose' class='method'><code id='Transpose.t'>type <a href='#associatedtype.Transpose' class="type">Transpose</a>: <a class="trait" href="../../cgmath/prelude/trait.Matrix.html" title="trait cgmath::prelude::Matrix">Matrix</a>&lt;Scalar = Self::<a class="type" href="../../cgmath/prelude/trait.VectorSpace.html#associatedtype.Scalar" title="type cgmath::prelude::VectorSpace::Scalar">Scalar</a>, Row = Self::<a class="type" href="../../cgmath/prelude/trait.Matrix.html#associatedtype.Column" title="type cgmath::prelude::Matrix::Column">Column</a>, Column = Self::<a class="type" href="../../cgmath/prelude/trait.Matrix.html#associatedtype.Row" title="type cgmath::prelude::Matrix::Row">Row</a>&gt;</code></h3><div class='docblock'><p>The result of transposing the matrix</p>
</div></div><span class='loading-content'>Loading content...</span>
<h2 id='required-methods' class='small-section-header'>Required methods<a href='#required-methods' class='anchor'></a></h2><div class='methods'><h3 id='tymethod.row' class='method'><code id='row.v'>fn <a href='#tymethod.row' class='fnname'>row</a>(&amp;self, r: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; Self::<a class="type" href="../../cgmath/prelude/trait.Matrix.html#associatedtype.Row" title="type cgmath::prelude::Matrix::Row">Row</a></code></h3><div class='docblock'><p>Get a row from this matrix by-value.</p>
</div><h3 id='tymethod.swap_rows' class='method'><code id='swap_rows.v'>fn <a href='#tymethod.swap_rows' class='fnname'>swap_rows</a>(&amp;mut self, a: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, b: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</code></h3><div class='docblock'><p>Swap two rows of this array.</p>
</div><h3 id='tymethod.swap_columns' class='method'><code id='swap_columns.v'>fn <a href='#tymethod.swap_columns' class='fnname'>swap_columns</a>(&amp;mut self, a: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, b: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</code></h3><div class='docblock'><p>Swap two columns of this array.</p>
</div><h3 id='tymethod.swap_elements' class='method'><code id='swap_elements.v'>fn <a href='#tymethod.swap_elements' class='fnname'>swap_elements</a>(&amp;mut self, a: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>, b: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>)</code></h3><div class='docblock'><p>Swap the values at index <code>a</code> and <code>b</code></p>
</div><h3 id='tymethod.transpose' class='method'><code id='transpose.v'>fn <a href='#tymethod.transpose' class='fnname'>transpose</a>(&amp;self) -&gt; Self::<a class="type" href="../../cgmath/prelude/trait.Matrix.html#associatedtype.Transpose" title="type cgmath::prelude::Matrix::Transpose">Transpose</a></code></h3><div class='docblock'><p>Transpose this matrix, returning a new matrix.</p>
</div></div><span class='loading-content'>Loading content...</span>
<h2 id='provided-methods' class='small-section-header'>Provided methods<a href='#provided-methods' class='anchor'></a></h2><div class='methods'><h3 id='method.as_ptr' class='method'><code id='as_ptr.v'>fn <a href='#method.as_ptr' class='fnname'>as_ptr</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*const </a>Self::<a class="type" href="../../cgmath/prelude/trait.VectorSpace.html#associatedtype.Scalar" title="type cgmath::prelude::VectorSpace::Scalar">Scalar</a></code></h3><div class='docblock'><p>Get the pointer to the first element of the array.</p>
</div><h3 id='method.as_mut_ptr' class='method'><code id='as_mut_ptr.v'>fn <a href='#method.as_mut_ptr' class='fnname'>as_mut_ptr</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*mut </a>Self::<a class="type" href="../../cgmath/prelude/trait.VectorSpace.html#associatedtype.Scalar" title="type cgmath::prelude::VectorSpace::Scalar">Scalar</a></code></h3><div class='docblock'><p>Get a mutable pointer to the first element of the array.</p>
</div><h3 id='method.replace_col' class='method'><code id='replace_col.v'>fn <a href='#method.replace_col' class='fnname'>replace_col</a>(&amp;mut self, c: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, src: Self::<a class="type" href="../../cgmath/prelude/trait.Matrix.html#associatedtype.Column" title="type cgmath::prelude::Matrix::Column">Column</a>) -&gt; Self::<a class="type" href="../../cgmath/prelude/trait.Matrix.html#associatedtype.Column" title="type cgmath::prelude::Matrix::Column">Column</a></code></h3><div class='docblock'><p>Replace a column in the array.</p>
</div></div><span class='loading-content'>Loading content...</span>
<h2 id='implementors' class='small-section-header'>Implementors<a href='#implementors' class='anchor'></a></h2><div class='item-list' id='implementors-list'><h3 id='impl-Matrix' class='impl'><code class='in-band'>impl&lt;S:&nbsp;<a class="trait" href="../../cgmath/trait.BaseFloat.html" title="trait cgmath::BaseFloat">BaseFloat</a>&gt; Matrix for <a class="struct" href="../../cgmath/struct.Matrix2.html" title="struct cgmath::Matrix2">Matrix2</a>&lt;S&gt;</code><a href='#impl-Matrix' class='anchor'></a><a class='srclink' href='../../src/cgmath/matrix.rs.html#468-503' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Column-1' class="type"><code id='Column.t-1'>type <a href='#associatedtype.Column-1' class="type">Column</a> = <a class="struct" href="../../cgmath/struct.Vector2.html" title="struct cgmath::Vector2">Vector2</a>&lt;S&gt;</code></h4><h4 id='associatedtype.Row-1' class="type"><code id='Row.t-1'>type <a href='#associatedtype.Row-1' class="type">Row</a> = <a class="struct" href="../../cgmath/struct.Vector2.html" title="struct cgmath::Vector2">Vector2</a>&lt;S&gt;</code></h4><h4 id='associatedtype.Transpose-1' class="type"><code id='Transpose.t-1'>type <a href='#associatedtype.Transpose-1' class="type">Transpose</a> = <a class="struct" href="../../cgmath/struct.Matrix2.html" title="struct cgmath::Matrix2">Matrix2</a>&lt;S&gt;</code></h4><h4 id='method.row' class="method hidden"><code id='row.v-1'>fn <a href='#method.row' class='fnname'>row</a>(&amp;self, r: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="struct" href="../../cgmath/struct.Vector2.html" title="struct cgmath::Vector2">Vector2</a>&lt;S&gt;</code><a class='srclink' href='../../src/cgmath/matrix.rs.html#474-476' title='goto source code'>[src]</a></h4><h4 id='method.swap_rows' class="method hidden"><code id='swap_rows.v-1'>fn <a href='#method.swap_rows' class='fnname'>swap_rows</a>(&amp;mut self, a: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, b: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</code><a class='srclink' href='../../src/cgmath/matrix.rs.html#479-482' title='goto source code'>[src]</a></h4><h4 id='method.swap_columns' class="method hidden"><code id='swap_columns.v-1'>fn <a href='#method.swap_columns' class='fnname'>swap_columns</a>(&amp;mut self, a: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, b: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</code><a class='srclink' href='../../src/cgmath/matrix.rs.html#485-487' title='goto source code'>[src]</a></h4><h4 id='method.swap_elements' class="method hidden"><code id='swap_elements.v-1'>fn <a href='#method.swap_elements' class='fnname'>swap_elements</a>(&amp;mut self, a: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>, b: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>)</code><a class='srclink' href='../../src/cgmath/matrix.rs.html#490-494' title='goto source code'>[src]</a></h4><h4 id='method.transpose' class="method hidden"><code id='transpose.v-1'>fn <a href='#method.transpose' class='fnname'>transpose</a>(&amp;self) -&gt; <a class="struct" href="../../cgmath/struct.Matrix2.html" title="struct cgmath::Matrix2">Matrix2</a>&lt;S&gt;<
src="../../implementors/cgmath/prelude/trait.Matrix.js">
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