3 <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
4 <title>Class template extents</title>
5 <link rel="stylesheet" href="../../../../../../doc/src/boostbook.css" type="text/css">
6 <meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
7 <link rel="home" href="../../index.html" title="Chapter 1. Boost.Compute">
8 <link rel="up" href="../../boost_compute/reference.html#header.boost.compute.utility.extents_hpp" title="Header <boost/compute/utility/extents.hpp>">
9 <link rel="prev" href="dim.html" title="Function template dim">
10 <link rel="next" href="invoke.html" title="Function template invoke">
12 <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
13 <table cellpadding="2" width="100%"><tr>
14 <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td>
15 <td align="center"><a href="../../../../../../index.html">Home</a></td>
16 <td align="center"><a href="../../../../../../libs/libraries.htm">Libraries</a></td>
17 <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td>
18 <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td>
19 <td align="center"><a href="../../../../../../more/index.htm">More</a></td>
22 <div class="spirit-nav">
23 <a accesskey="p" href="dim.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../boost_compute/reference.html#header.boost.compute.utility.extents_hpp"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="invoke.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a>
25 <div class="refentry">
26 <a name="boost.compute.extents"></a><div class="titlepage"></div>
27 <div class="refnamediv">
28 <h2><span class="refentrytitle">Class template extents</span></h2>
29 <p>boost::compute::extents</p>
31 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
32 <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../boost_compute/reference.html#header.boost.compute.utility.extents_hpp" title="Header <boost/compute/utility/extents.hpp>">boost/compute/utility/extents.hpp</a>>
34 </span><span class="keyword">template</span><span class="special"><</span><span class="identifier">size_t</span> N<span class="special">></span>
35 <span class="keyword">class</span> <a class="link" href="extents.html" title="Class template extents">extents</a> <span class="special">{</span>
36 <span class="keyword">public</span><span class="special">:</span>
37 <span class="comment">// types</span>
38 <span class="keyword">typedef</span> <span class="identifier">size_t</span> <a name="boost.compute.extents.size_type"></a><span class="identifier">size_type</span><span class="special">;</span>
39 <span class="keyword">typedef</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">array</span><span class="special"><</span> <span class="identifier">size_t</span><span class="special">,</span> <span class="identifier">N</span> <span class="special">></span> <a name="boost.compute.extents.array_type"></a><span class="identifier">array_type</span><span class="special">;</span>
40 <span class="keyword">typedef</span> <span class="identifier">array_type</span><span class="special">::</span><span class="identifier">iterator</span> <a name="boost.compute.extents.iterator"></a><span class="identifier">iterator</span><span class="special">;</span>
41 <span class="keyword">typedef</span> <span class="identifier">array_type</span><span class="special">::</span><span class="identifier">const_iterator</span> <a name="boost.compute.extents.const_iterator"></a><span class="identifier">const_iterator</span><span class="special">;</span>
43 <span class="comment">// <a class="link" href="extents.html#boost.compute.extentsconstruct-copy-destruct">construct/copy/destruct</a></span>
44 <a class="link" href="extents.html#idm46009691576288-bb"><span class="identifier">extents</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
45 <span class="keyword">explicit</span> <a class="link" href="extents.html#idm46009691574512-bb"><span class="identifier">extents</span></a><span class="special">(</span><span class="identifier">size_t</span><span class="special">)</span><span class="special">;</span>
46 <a class="link" href="extents.html#idm46009691571344-bb"><span class="identifier">extents</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">initializer_list</span><span class="special"><</span> <span class="identifier">size_t</span> <span class="special">></span><span class="special">)</span><span class="special">;</span>
48 <span class="comment">// <a class="link" href="extents.html#idm46009691602448-bb">public member functions</a></span>
49 <span class="identifier">size_type</span> <a class="link" href="extents.html#idm46009691601888-bb"><span class="identifier">size</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
50 <span class="identifier">size_type</span> <a class="link" href="extents.html#idm46009691600432-bb"><span class="identifier">linear</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
51 <span class="identifier">size_t</span> <span class="special">*</span> <a class="link" href="extents.html#idm46009691598800-bb"><span class="identifier">data</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
52 <span class="keyword">const</span> <span class="identifier">size_t</span> <span class="special">*</span> <a class="link" href="extents.html#idm46009691596704-bb"><span class="identifier">data</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
53 <span class="identifier">iterator</span> <a class="link" href="extents.html#idm46009691595040-bb"><span class="identifier">begin</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
54 <span class="identifier">const_iterator</span> <a class="link" href="extents.html#idm46009691594192-bb"><span class="identifier">begin</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
55 <span class="identifier">const_iterator</span> <a class="link" href="extents.html#idm46009691593072-bb"><span class="identifier">cbegin</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
56 <span class="identifier">iterator</span> <a class="link" href="extents.html#idm46009691591952-bb"><span class="identifier">end</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
57 <span class="identifier">const_iterator</span> <a class="link" href="extents.html#idm46009691591104-bb"><span class="identifier">end</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
58 <span class="identifier">const_iterator</span> <a class="link" href="extents.html#idm46009691589984-bb"><span class="identifier">cend</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
59 <span class="identifier">size_t</span> <span class="special">&</span> <a class="link" href="extents.html#idm46009691588864-bb"><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span></a><span class="special">(</span><span class="identifier">size_t</span><span class="special">)</span><span class="special">;</span>
60 <span class="keyword">const</span> <span class="identifier">size_t</span> <span class="special">&</span> <a class="link" href="extents.html#idm46009691586576-bb"><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span></a><span class="special">(</span><span class="identifier">size_t</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
61 <span class="keyword">bool</span> <a class="link" href="extents.html#idm46009691584224-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="extents.html" title="Class template extents">extents</a> <span class="special">&</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
62 <span class="keyword">bool</span> <a class="link" href="extents.html#idm46009691580336-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="extents.html" title="Class template extents">extents</a> <span class="special">&</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
64 <span class="comment">// public data members</span>
65 <span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">size_type</span> <span class="identifier">static_size</span><span class="special">;</span>
66 <span class="special">}</span><span class="special">;</span></pre></div>
67 <div class="refsect1">
68 <a name="idm46113315447600"></a><h2>Description</h2>
69 <p>The extents class contains an array of n-dimensional extents.</p>
70 <p><span class="bold"><strong>See Also:</strong></span></p>
76 <div class="refsect2">
77 <a name="idm46113315445488"></a><h3>
78 <a name="boost.compute.extentsconstruct-copy-destruct"></a><code class="computeroutput">extents</code>
80 construct/copy/destruct</h3>
81 <div class="orderedlist"><ol class="orderedlist" type="1">
83 <pre class="literallayout"><a name="idm46009691576288-bb"></a><span class="identifier">extents</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
84 <p>Creates an extents object with each component set to zero.</p>
86 <pre class="programlisting"><span class="identifier">extents</span><span class="special"><</span><span class="number">3</span><span class="special">></span> <span class="identifier">exts</span><span class="special">(</span><span class="special">)</span><span class="special">;</span> <span class="comment">// (0, 0, 0)</span>
91 <pre class="literallayout"><span class="keyword">explicit</span> <a name="idm46009691574512-bb"></a><span class="identifier">extents</span><span class="special">(</span><span class="identifier">size_t</span> value<span class="special">)</span><span class="special">;</span></pre>
92 <p>Creates an extents object with each component set to <code class="computeroutput">value</code>.</p>
94 <pre class="programlisting"><span class="identifier">extents</span><span class="special"><</span><span class="number">3</span><span class="special">></span> <span class="identifier">exts</span><span class="special">(</span><span class="number">1</span><span class="special">)</span><span class="special">;</span> <span class="comment">// (1, 1, 1)</span>
99 <pre class="literallayout"><a name="idm46009691571344-bb"></a><span class="identifier">extents</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">initializer_list</span><span class="special"><</span> <span class="identifier">size_t</span> <span class="special">></span> values<span class="special">)</span><span class="special">;</span></pre>Creates an extents object with <code class="computeroutput">values</code>. </li>
102 <div class="refsect2">
103 <a name="idm46113315412400"></a><h3>
104 <a name="idm46009691602448-bb"></a><code class="computeroutput">extents</code> public member functions</h3>
105 <div class="orderedlist"><ol class="orderedlist" type="1">
106 <li class="listitem">
107 <pre class="literallayout"><span class="identifier">size_type</span> <a name="idm46009691601888-bb"></a><span class="identifier">size</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Returns the size (i.e. dimensionality) of the extents array. </li>
108 <li class="listitem">
109 <pre class="literallayout"><span class="identifier">size_type</span> <a name="idm46009691600432-bb"></a><span class="identifier">linear</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
110 <p>Returns the linear size of the extents. This is equivalent to the product of each extent in each dimension. </p>
112 <li class="listitem">
113 <pre class="literallayout"><span class="identifier">size_t</span> <span class="special">*</span> <a name="idm46009691598800-bb"></a><span class="identifier">data</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
114 <p>Returns a pointer to the extents data array.</p>
115 <p>This is useful for passing the extents data to OpenCL APIs which expect an array of <code class="computeroutput">size_t</code>. </p>
117 <li class="listitem">
118 <pre class="literallayout"><span class="keyword">const</span> <span class="identifier">size_t</span> <span class="special">*</span> <a name="idm46009691596704-bb"></a><span class="identifier">data</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
119 <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
121 <li class="listitem"><pre class="literallayout"><span class="identifier">iterator</span> <a name="idm46009691595040-bb"></a><span class="identifier">begin</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li>
122 <li class="listitem"><pre class="literallayout"><span class="identifier">const_iterator</span> <a name="idm46009691594192-bb"></a><span class="identifier">begin</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
123 <li class="listitem"><pre class="literallayout"><span class="identifier">const_iterator</span> <a name="idm46009691593072-bb"></a><span class="identifier">cbegin</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
124 <li class="listitem"><pre class="literallayout"><span class="identifier">iterator</span> <a name="idm46009691591952-bb"></a><span class="identifier">end</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li>
125 <li class="listitem"><pre class="literallayout"><span class="identifier">const_iterator</span> <a name="idm46009691591104-bb"></a><span class="identifier">end</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
126 <li class="listitem"><pre class="literallayout"><span class="identifier">const_iterator</span> <a name="idm46009691589984-bb"></a><span class="identifier">cend</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
127 <li class="listitem">
128 <pre class="literallayout"><span class="identifier">size_t</span> <span class="special">&</span> <a name="idm46009691588864-bb"></a><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span><span class="special">(</span><span class="identifier">size_t</span> index<span class="special">)</span><span class="special">;</span></pre>Returns a reference to the extent at <code class="computeroutput">index</code>. </li>
129 <li class="listitem">
130 <pre class="literallayout"><span class="keyword">const</span> <span class="identifier">size_t</span> <span class="special">&</span> <a name="idm46009691586576-bb"></a><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span><span class="special">(</span><span class="identifier">size_t</span> index<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
131 <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
133 <li class="listitem">
134 <pre class="literallayout"><span class="keyword">bool</span> <a name="idm46009691584224-bb"></a><span class="keyword">operator</span><span class="special">==</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="extents.html" title="Class template extents">extents</a> <span class="special">&</span> other<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Returns <code class="computeroutput">true</code> if the extents in <code class="computeroutput">*this</code> are the same as <code class="computeroutput">other</code>. </li>
135 <li class="listitem">
136 <pre class="literallayout"><span class="keyword">bool</span> <a name="idm46009691580336-bb"></a><span class="keyword">operator</span><span class="special">!=</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="extents.html" title="Class template extents">extents</a> <span class="special">&</span> other<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Returns <code class="computeroutput">true</code> if the extents in <code class="computeroutput">*this</code> are not the same as <code class="computeroutput">other</code>. </li>
141 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
142 <td align="left"></td>
143 <td align="right"><div class="copyright-footer">Copyright © 2013, 2014 Kyle Lutz<p>
144 Distributed under the Boost Software License, Version 1.0. (See accompanying
145 file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
150 <div class="spirit-nav">
151 <a accesskey="p" href="dim.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../boost_compute/reference.html#header.boost.compute.utility.extents_hpp"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="invoke.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a>