1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Class template vector</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. 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href="../../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="../../BOOST_CO_idm45549385751072.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../boost_compute/reference.html#header.boost.compute.container.vector_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="context_error.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="refentry"> 26<a name="boost.compute.vector"></a><div class="titlepage"></div> 27<div class="refnamediv"> 28<h2><span class="refentrytitle">Class template vector</span></h2> 29<p>boost::compute::vector — A resizable array of values. </p> 30</div> 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.container.vector_hpp" title="Header <boost/compute/container/vector.hpp>">boost/compute/container/vector.hpp</a>> 33 34</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> Alloc <span class="special">=</span> <a class="link" href="buffer_allocator.html" title="Class template buffer_allocator">buffer_allocator</a><span class="special"><</span><span class="identifier">T</span><span class="special">></span> <span class="special">></span> 35<span class="keyword">class</span> <a class="link" href="vector.html" title="Class template vector">vector</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">T</span> <a name="boost.compute.vector.value_type"></a><span class="identifier">value_type</span><span class="special">;</span> 39 <span class="keyword">typedef</span> <span class="identifier">Alloc</span> <a name="boost.compute.vector.allocator_type"></a><span class="identifier">allocator_type</span><span class="special">;</span> 40 <span class="keyword">typedef</span> <span class="identifier">allocator_type</span><span class="special">::</span><span class="identifier">size_type</span> <a name="boost.compute.vector.size_type"></a><span class="identifier">size_type</span><span class="special">;</span> 41 <span class="keyword">typedef</span> <span class="identifier">allocator_type</span><span class="special">::</span><span class="identifier">difference_type</span> <a name="boost.compute.vector.difference_type"></a><span class="identifier">difference_type</span><span class="special">;</span> 42 <span class="keyword">typedef</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a name="boost.compute.vector.reference"></a><span class="identifier">reference</span><span class="special">;</span> 43 <span class="keyword">typedef</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a name="boost.compute.vector.const_reference"></a><span class="identifier">const_reference</span><span class="special">;</span> 44 <span class="keyword">typedef</span> <span class="identifier">allocator_type</span><span class="special">::</span><span class="identifier">pointer</span> <a name="boost.compute.vector.pointer"></a><span class="identifier">pointer</span><span class="special">;</span> 45 <span class="keyword">typedef</span> <span class="identifier">allocator_type</span><span class="special">::</span><span class="identifier">const_pointer</span> <a name="boost.compute.vector.const_pointer"></a><span class="identifier">const_pointer</span><span class="special">;</span> 46 <span class="keyword">typedef</span> <a class="link" href="buffer_iterator.html" title="Class template buffer_iterator">buffer_iterator</a><span class="special"><</span> <span class="identifier">T</span> <span class="special">></span> <a name="boost.compute.vector.iterator"></a><span class="identifier">iterator</span><span class="special">;</span> 47 <span class="keyword">typedef</span> <a class="link" href="buffer_iterator.html" title="Class template buffer_iterator">buffer_iterator</a><span class="special"><</span> <span class="identifier">T</span> <span class="special">></span> <a name="boost.compute.vector.const_iterator"></a><span class="identifier">const_iterator</span><span class="special">;</span> 48 <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">reverse_iterator</span><span class="special"><</span> <a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> <span class="special">></span> <a name="boost.compute.vector.reverse_iterator"></a><span class="identifier">reverse_iterator</span><span class="special">;</span> 49 <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">reverse_iterator</span><span class="special"><</span> <a class="link" href="vector.html#boost.compute.vector.const_iterator">const_iterator</a> <span class="special">></span> <a name="boost.compute.vector.const_reverse_iterator"></a><span class="identifier">const_reverse_iterator</span><span class="special">;</span> 50 51 <span class="comment">// <a class="link" href="vector.html#boost.compute.vectorconstruct-copy-destruct">construct/copy/destruct</a></span> 52 <span class="keyword">explicit</span> <a class="link" href="vector.html#idm45549385618336-bb"><span class="identifier">vector</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">context</span> <span class="special">&</span> <span class="special">=</span> <span class="identifier">system</span><span class="special">::</span><span class="identifier">default_context</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span> 53 <span class="keyword">explicit</span> <a class="link" href="vector.html#idm45549385616032-bb"><span class="identifier">vector</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">context</span> <span class="special">&</span> <span class="special">=</span> <span class="identifier">system</span><span class="special">::</span><span class="identifier">default_context</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span> 54 <a class="link" href="vector.html#idm45549385610464-bb"><span class="identifier">vector</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span> <span class="special">=</span> <span class="identifier">system</span><span class="special">::</span><span class="identifier">default_queue</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span> 55 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InputIterator<span class="special">></span> 56 <a class="link" href="vector.html#idm45549385605376-bb"><span class="identifier">vector</span></a><span class="special">(</span><span class="identifier">InputIterator</span><span class="special">,</span> <span class="identifier">InputIterator</span><span class="special">,</span> 57 <span class="identifier">command_queue</span> <span class="special">&</span> <span class="special">=</span> <span class="identifier">system</span><span class="special">::</span><span class="identifier">default_queue</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span> 58 <a class="link" href="vector.html#idm45549385598896-bb"><span class="identifier">vector</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span><span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span> <span class="special">=</span> <span class="identifier">system</span><span class="special">::</span><span class="identifier">default_queue</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span> 59 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> OtherAlloc<span class="special">></span> 60 <a class="link" href="vector.html#idm45549385595728-bb"><span class="identifier">vector</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="vector.html" title="Class template vector">vector</a><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">OtherAlloc</span> <span class="special">></span> <span class="special">&</span><span class="special">,</span> 61 <span class="identifier">command_queue</span> <span class="special">&</span> <span class="special">=</span> <span class="identifier">system</span><span class="special">::</span><span class="identifier">default_queue</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span> 62 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> OtherAlloc<span class="special">></span> 63 <a class="link" href="vector.html#idm45549385591712-bb"><span class="identifier">vector</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">OtherAlloc</span> <span class="special">></span> <span class="special">&</span><span class="special">,</span> 64 <span class="identifier">command_queue</span> <span class="special">&</span> <span class="special">=</span> <span class="identifier">system</span><span class="special">::</span><span class="identifier">default_queue</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span> 65 <a class="link" href="vector.html#idm45549385588128-bb"><span class="identifier">vector</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">T</span> <span class="special">></span><span class="special">,</span> 66 <span class="identifier">command_queue</span> <span class="special">&</span> <span class="special">=</span> <span class="identifier">system</span><span class="special">::</span><span class="identifier">default_queue</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span> 67 <a class="link" href="vector.html#idm45549385578896-bb"><span class="identifier">vector</span></a><span class="special">(</span><a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&&</span><span class="special">)</span><span class="special">;</span> 68 <a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span> <a class="link" href="vector.html#idm45549385586160-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 69 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> OtherAlloc<span class="special">></span> 70 <a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span> <a class="link" href="vector.html#idm45549385584160-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="vector.html" title="Class template vector">vector</a><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">OtherAlloc</span> <span class="special">></span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 71 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> OtherAlloc<span class="special">></span> 72 <a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span> <a class="link" href="vector.html#idm45549385581312-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">OtherAlloc</span> <span class="special">></span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 73 <a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span> <a class="link" href="vector.html#idm45549385576880-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&&</span><span class="special">)</span><span class="special">;</span> 74 <a class="link" href="vector.html#idm45549385573840-bb"><span class="special">~</span><span class="identifier">vector</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 75 76 <span class="comment">// <a class="link" href="vector.html#idm45549385721792-bb">public member functions</a></span> 77 <a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> <a class="link" href="vector.html#idm45549385721232-bb"><span class="identifier">begin</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 78 <a class="link" href="vector.html#boost.compute.vector.const_iterator">const_iterator</a> <a class="link" href="vector.html#idm45549385720256-bb"><span class="identifier">begin</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 79 <a class="link" href="vector.html#boost.compute.vector.const_iterator">const_iterator</a> <a class="link" href="vector.html#idm45549385719008-bb"><span class="identifier">cbegin</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 80 <a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> <a class="link" href="vector.html#idm45549385717760-bb"><span class="identifier">end</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 81 <a class="link" href="vector.html#boost.compute.vector.const_iterator">const_iterator</a> <a class="link" href="vector.html#idm45549385716784-bb"><span class="identifier">end</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 82 <a class="link" href="vector.html#boost.compute.vector.const_iterator">const_iterator</a> <a class="link" href="vector.html#idm45549385715536-bb"><span class="identifier">cend</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 83 <span class="identifier">reverse_iterator</span> <a class="link" href="vector.html#idm45549385714288-bb"><span class="identifier">rbegin</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 84 <span class="identifier">const_reverse_iterator</span> <a class="link" href="vector.html#idm45549385713440-bb"><span class="identifier">rbegin</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 85 <span class="identifier">const_reverse_iterator</span> <a class="link" href="vector.html#idm45549385712320-bb"><span class="identifier">crbegin</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 86 <span class="identifier">reverse_iterator</span> <a class="link" href="vector.html#idm45549385711200-bb"><span class="identifier">rend</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 87 <span class="identifier">const_reverse_iterator</span> <a class="link" href="vector.html#idm45549385710352-bb"><span class="identifier">rend</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 88 <span class="identifier">const_reverse_iterator</span> <a class="link" href="vector.html#idm45549385709232-bb"><span class="identifier">crend</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 89 <span class="identifier">size_type</span> <a class="link" href="vector.html#idm45549385708112-bb"><span class="identifier">size</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 90 <span class="identifier">size_type</span> <a class="link" href="vector.html#idm45549385706672-bb"><span class="identifier">max_size</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 91 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385705552-bb"><span class="identifier">resize</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 92 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385702592-bb"><span class="identifier">resize</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">)</span><span class="special">;</span> 93 <span class="keyword">bool</span> <a class="link" href="vector.html#idm45549385700512-bb"><span class="identifier">empty</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 94 <span class="identifier">size_type</span> <a class="link" href="vector.html#idm45549385698640-bb"><span class="identifier">capacity</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 95 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385697216-bb"><span class="identifier">reserve</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 96 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385694992-bb"><span class="identifier">reserve</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">)</span><span class="special">;</span> 97 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385693456-bb"><span class="identifier">shrink_to_fit</span></a><span class="special">(</span><span class="identifier">command_queue</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 98 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385691920-bb"><span class="identifier">shrink_to_fit</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 99 <span class="identifier">reference</span> <a class="link" href="vector.html#idm45549385691072-bb"><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">)</span><span class="special">;</span> 100 <span class="identifier">const_reference</span> <a class="link" href="vector.html#idm45549385689536-bb"><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 101 <span class="identifier">reference</span> <a class="link" href="vector.html#idm45549385687728-bb"><span class="identifier">at</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">)</span><span class="special">;</span> 102 <span class="identifier">const_reference</span> <a class="link" href="vector.html#idm45549385686192-bb"><span class="identifier">at</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 103 <span class="identifier">reference</span> <a class="link" href="vector.html#idm45549385684384-bb"><span class="identifier">front</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 104 <span class="identifier">const_reference</span> <a class="link" href="vector.html#idm45549385683536-bb"><span class="identifier">front</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 105 <span class="identifier">reference</span> <a class="link" href="vector.html#idm45549385682416-bb"><span class="identifier">back</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 106 <span class="identifier">const_reference</span> <a class="link" href="vector.html#idm45549385681568-bb"><span class="identifier">back</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 107 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InputIterator<span class="special">></span> 108 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385680448-bb"><span class="identifier">assign</span></a><span class="special">(</span><span class="identifier">InputIterator</span><span class="special">,</span> <span class="identifier">InputIterator</span><span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 109 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InputIterator<span class="special">></span> <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385676688-bb"><span class="identifier">assign</span></a><span class="special">(</span><span class="identifier">InputIterator</span><span class="special">,</span> <span class="identifier">InputIterator</span><span class="special">)</span><span class="special">;</span> 110 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385673616-bb"><span class="identifier">assign</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 111 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385670704-bb"><span class="identifier">assign</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 112 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385668480-bb"><span class="identifier">push_back</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 113 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385663488-bb"><span class="identifier">push_back</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 114 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385661408-bb"><span class="identifier">pop_back</span></a><span class="special">(</span><span class="identifier">command_queue</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 115 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385659872-bb"><span class="identifier">pop_back</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 116 <a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> <a class="link" href="vector.html#idm45549385659024-bb"><span class="identifier">insert</span></a><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 117 <a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> <a class="link" href="vector.html#idm45549385655856-bb"><span class="identifier">insert</span></a><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 118 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385653376-bb"><span class="identifier">insert</span></a><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a><span class="special">,</span> <span class="identifier">size_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 119 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385649648-bb"><span class="identifier">insert</span></a><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a><span class="special">,</span> <span class="identifier">size_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 120 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InputIterator<span class="special">></span> 121 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385646608-bb"><span class="identifier">insert</span></a><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a><span class="special">,</span> <span class="identifier">InputIterator</span><span class="special">,</span> <span class="identifier">InputIterator</span><span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 122 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InputIterator<span class="special">></span> 123 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385639808-bb"><span class="identifier">insert</span></a><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a><span class="special">,</span> <span class="identifier">InputIterator</span><span class="special">,</span> <span class="identifier">InputIterator</span><span class="special">)</span><span class="special">;</span> 124 <a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> <a class="link" href="vector.html#idm45549385635376-bb"><span class="identifier">erase</span></a><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a><span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 125 <a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> <a class="link" href="vector.html#idm45549385632896-bb"><span class="identifier">erase</span></a><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a><span class="special">)</span><span class="special">;</span> 126 <a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> <a class="link" href="vector.html#idm45549385631104-bb"><span class="identifier">erase</span></a><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a><span class="special">,</span> <a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a><span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 127 <a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> <a class="link" href="vector.html#idm45549385627808-bb"><span class="identifier">erase</span></a><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a><span class="special">,</span> <a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a><span class="special">)</span><span class="special">;</span> 128 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385625200-bb"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 129 <span class="keyword">void</span> <a class="link" href="vector.html#idm45549385622192-bb"><span class="identifier">clear</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 130 <span class="identifier">allocator_type</span> <a class="link" href="vector.html#idm45549385621040-bb"><span class="identifier">get_allocator</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 131 <span class="keyword">const</span> <span class="identifier">buffer</span> <span class="special">&</span> <a class="link" href="vector.html#idm45549385619920-bb"><span class="identifier">get_buffer</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 132<span class="special">}</span><span class="special">;</span></pre></div> 133<div class="refsect1"> 134<a name="idm45849512480736"></a><h2>Description</h2> 135<p>The <a class="link" href="vector.html" title="Class template vector">vector<T></a> class stores a dynamic array of values. Internally, the data is stored in an OpenCL buffer object.</p> 136<p>The vector class is the prefered container for storing and accessing data on a compute device. In most cases it should be used instead of directly dealing with buffer objects. If the undelying buffer is needed, it can be accessed with the get_buffer() method.</p> 137<p>The internal storage is allocated in a specific OpenCL context which is passed as an argument to the constructor when the vector is created.</p> 138<p>For example, to create a vector on the device containing space for ten <code class="computeroutput">int</code> values: </p> 139<pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">compute</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">vec</span><span class="special">(</span><span class="number">10</span><span class="special">,</span> <span class="identifier">context</span><span class="special">)</span><span class="special">;</span> 140</pre> 141<p>Allocation and data transfer can also be performed in a single step: </p> 142<pre class="programlisting"><span class="comment">// values on the host</span> 143<span class="keyword">int</span> <span class="identifier">data</span><span class="special">[</span><span class="special">]</span> <span class="special">=</span> <span class="special">{</span> <span class="number">1</span><span class="special">,</span> <span class="number">2</span><span class="special">,</span> <span class="number">3</span><span class="special">,</span> <span class="number">4</span> <span class="special">}</span><span class="special">;</span> 144 145<span class="comment">// create a vector of size four and copy the values from data</span> 146<span class="identifier">boost</span><span class="special">::</span><span class="identifier">compute</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">vec</span><span class="special">(</span><span class="identifier">data</span><span class="special">,</span> <span class="identifier">data</span> <span class="special">+</span> <span class="number">4</span><span class="special">,</span> <span class="identifier">queue</span><span class="special">)</span><span class="special">;</span> 147</pre> 148<p>The Boost.Compute <code class="computeroutput">vector</code> class provides a STL-like API and is modeled after the <code class="computeroutput">std::vector</code> class from the C++ standard library. It can be used with any of the STL-like algorithms provided by Boost.Compute including <code class="computeroutput">copy()</code>, <code class="computeroutput">transform()</code>, and <code class="computeroutput">sort()</code> (among many others).</p> 149<p>For example: </p> 150<pre class="programlisting"><span class="comment">// a vector on a compute device</span> 151<span class="identifier">boost</span><span class="special">::</span><span class="identifier">compute</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="keyword">float</span><span class="special">></span> <span class="identifier">vec</span> <span class="special">=</span> <span class="special">...</span> 152 153<span class="comment">// copy data to the vector from a host std:vector</span> 154<span class="identifier">boost</span><span class="special">::</span><span class="identifier">compute</span><span class="special">::</span><span class="identifier">copy</span><span class="special">(</span><span class="identifier">host_vec</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(</span><span class="special">)</span><span class="special">,</span> <span class="identifier">host_vec</span><span class="special">.</span><span class="identifier">end</span><span class="special">(</span><span class="special">)</span><span class="special">,</span> <span class="identifier">vec</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(</span><span class="special">)</span><span class="special">,</span> <span class="identifier">queue</span><span class="special">)</span><span class="special">;</span> 155 156<span class="comment">// copy data from the vector to a host std::vector</span> 157<span class="identifier">boost</span><span class="special">::</span><span class="identifier">compute</span><span class="special">::</span><span class="identifier">copy</span><span class="special">(</span><span class="identifier">vec</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(</span><span class="special">)</span><span class="special">,</span> <span class="identifier">vec</span><span class="special">.</span><span class="identifier">end</span><span class="special">(</span><span class="special">)</span><span class="special">,</span> <span class="identifier">host_vec</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(</span><span class="special">)</span><span class="special">,</span> <span class="identifier">queue</span><span class="special">)</span><span class="special">;</span> 158 159<span class="comment">// sort the values in the vector</span> 160<span class="identifier">boost</span><span class="special">::</span><span class="identifier">compute</span><span class="special">::</span><span class="identifier">sort</span><span class="special">(</span><span class="identifier">vec</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(</span><span class="special">)</span><span class="special">,</span> <span class="identifier">vec</span><span class="special">.</span><span class="identifier">end</span><span class="special">(</span><span class="special">)</span><span class="special">,</span> <span class="identifier">queue</span><span class="special">)</span><span class="special">;</span> 161 162<span class="comment">// calculate the sum of the values in the vector (also see reduce())</span> 163<span class="keyword">float</span> <span class="identifier">sum</span> <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">compute</span><span class="special">::</span><span class="identifier">accumulate</span><span class="special">(</span><span class="identifier">vec</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(</span><span class="special">)</span><span class="special">,</span> <span class="identifier">vec</span><span class="special">.</span><span class="identifier">end</span><span class="special">(</span><span class="special">)</span><span class="special">,</span> <span class="number">0</span><span class="special">,</span> <span class="identifier">queue</span><span class="special">)</span><span class="special">;</span> 164 165<span class="comment">// reverse the values in the vector</span> 166<span class="identifier">boost</span><span class="special">::</span><span class="identifier">compute</span><span class="special">::</span><span class="identifier">reverse</span><span class="special">(</span><span class="identifier">vec</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(</span><span class="special">)</span><span class="special">,</span> <span class="identifier">vec</span><span class="special">.</span><span class="identifier">end</span><span class="special">(</span><span class="special">)</span><span class="special">,</span> <span class="identifier">queue</span><span class="special">)</span><span class="special">;</span> 167 168<span class="comment">// fill the vector with ones</span> 169<span class="identifier">boost</span><span class="special">::</span><span class="identifier">compute</span><span class="special">::</span><span class="identifier">fill</span><span class="special">(</span><span class="identifier">vec</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(</span><span class="special">)</span><span class="special">,</span> <span class="identifier">vec</span><span class="special">.</span><span class="identifier">end</span><span class="special">(</span><span class="special">)</span><span class="special">,</span> <span class="number">1</span><span class="special">,</span> <span class="identifier">queue</span><span class="special">)</span><span class="special">;</span> 170</pre> 171<p><span class="bold"><strong>See Also:</strong></span></p> 172<p><a class="link" href="array.html" title="Class template array">array<T, N></a>, buffer </p> 173<p> 174</p> 175<p> 176</p> 177<div class="refsect2"> 178<a name="idm45849512346784"></a><h3> 179<a name="boost.compute.vectorconstruct-copy-destruct"></a><code class="computeroutput">vector</code> 180 public 181 construct/copy/destruct</h3> 182<div class="orderedlist"><ol class="orderedlist" type="1"> 183<li class="listitem"> 184<pre class="literallayout"><span class="keyword">explicit</span> <a name="idm45549385618336-bb"></a><span class="identifier">vector</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">context</span> <span class="special">&</span> context <span class="special">=</span> <span class="identifier">system</span><span class="special">::</span><span class="identifier">default_context</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre>Creates an empty vector in <code class="computeroutput">context</code>. </li> 185<li class="listitem"> 186<pre class="literallayout"><span class="keyword">explicit</span> <a name="idm45549385616032-bb"></a><span class="identifier">vector</span><span class="special">(</span><span class="identifier">size_type</span> count<span class="special">,</span> 187 <span class="keyword">const</span> <span class="identifier">context</span> <span class="special">&</span> context <span class="special">=</span> <span class="identifier">system</span><span class="special">::</span><span class="identifier">default_context</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre> 188<p>Creates a vector with space for <code class="computeroutput">count</code> elements in <code class="computeroutput">context</code>.</p> 189<p>Note that unlike <code class="computeroutput">std::vector's</code> constructor, this will not initialize the values in the container. Either call the vector constructor which takes a value to initialize with or use the fill() algorithm to set the initial values.</p> 190<p>For example: </p> 191<pre class="programlisting"><span class="comment">// create a vector on the device with space for ten ints</span> 192<span class="identifier">boost</span><span class="special">::</span><span class="identifier">compute</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">vec</span><span class="special">(</span><span class="number">10</span><span class="special">,</span> <span class="identifier">context</span><span class="special">)</span><span class="special">;</span> 193</pre> 194<p> </p> 195</li> 196<li class="listitem"> 197<pre class="literallayout"><a name="idm45549385610464-bb"></a><span class="identifier">vector</span><span class="special">(</span><span class="identifier">size_type</span> count<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span> value<span class="special">,</span> 198 <span class="identifier">command_queue</span> <span class="special">&</span> queue <span class="special">=</span> <span class="identifier">system</span><span class="special">::</span><span class="identifier">default_queue</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre> 199<p>Creates a vector with space for <code class="computeroutput">count</code> elements and sets each equal to <code class="computeroutput">value</code>.</p> 200<p>For example: </p> 201<pre class="programlisting"><span class="comment">// creates a vector with four values set to nine (e.g. [9, 9, 9, 9]).</span> 202<span class="identifier">boost</span><span class="special">::</span><span class="identifier">compute</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">vec</span><span class="special">(</span><span class="number">4</span><span class="special">,</span> <span class="number">9</span><span class="special">,</span> <span class="identifier">queue</span><span class="special">)</span><span class="special">;</span> 203</pre> 204<p> </p> 205</li> 206<li class="listitem"> 207<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InputIterator<span class="special">></span> 208 <a name="idm45549385605376-bb"></a><span class="identifier">vector</span><span class="special">(</span><span class="identifier">InputIterator</span> first<span class="special">,</span> <span class="identifier">InputIterator</span> last<span class="special">,</span> 209 <span class="identifier">command_queue</span> <span class="special">&</span> queue <span class="special">=</span> <span class="identifier">system</span><span class="special">::</span><span class="identifier">default_queue</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre> 210<p>Creates a vector with space for the values in the range [<code class="computeroutput">first</code>, <code class="computeroutput">last</code>) and copies them into the vector with <code class="computeroutput">queue</code>.</p> 211<p>For example: </p> 212<pre class="programlisting"><span class="comment">// values on the host</span> 213<span class="keyword">int</span> <span class="identifier">data</span><span class="special">[</span><span class="special">]</span> <span class="special">=</span> <span class="special">{</span> <span class="number">1</span><span class="special">,</span> <span class="number">2</span><span class="special">,</span> <span class="number">3</span><span class="special">,</span> <span class="number">4</span> <span class="special">}</span><span class="special">;</span> 214 215<span class="comment">// create a vector of size four and copy the values from data</span> 216<span class="identifier">boost</span><span class="special">::</span><span class="identifier">compute</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">vec</span><span class="special">(</span><span class="identifier">data</span><span class="special">,</span> <span class="identifier">data</span> <span class="special">+</span> <span class="number">4</span><span class="special">,</span> <span class="identifier">queue</span><span class="special">)</span><span class="special">;</span> 217</pre> 218<p> </p> 219</li> 220<li class="listitem"> 221<pre class="literallayout"><a name="idm45549385598896-bb"></a><span class="identifier">vector</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span> other<span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span> queue <span class="special">=</span> <span class="identifier">system</span><span class="special">::</span><span class="identifier">default_queue</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre>Creates a new vector and copies the values from <code class="computeroutput">other</code>. </li> 222<li class="listitem"> 223<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> OtherAlloc<span class="special">></span> 224 <a name="idm45549385595728-bb"></a><span class="identifier">vector</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="vector.html" title="Class template vector">vector</a><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">OtherAlloc</span> <span class="special">></span> <span class="special">&</span> other<span class="special">,</span> 225 <span class="identifier">command_queue</span> <span class="special">&</span> queue <span class="special">=</span> <span class="identifier">system</span><span class="special">::</span><span class="identifier">default_queue</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre>Creates a new vector and copies the values from <code class="computeroutput">other</code>. </li> 226<li class="listitem"> 227<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> OtherAlloc<span class="special">></span> 228 <a name="idm45549385591712-bb"></a><span class="identifier">vector</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">OtherAlloc</span> <span class="special">></span> <span class="special">&</span> vector<span class="special">,</span> 229 <span class="identifier">command_queue</span> <span class="special">&</span> queue <span class="special">=</span> <span class="identifier">system</span><span class="special">::</span><span class="identifier">default_queue</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre>Creates a new vector and copies the values from <code class="computeroutput">vector</code>. </li> 230<li class="listitem"><pre class="literallayout"><a name="idm45549385588128-bb"></a><span class="identifier">vector</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">T</span> <span class="special">></span> list<span class="special">,</span> 231 <span class="identifier">command_queue</span> <span class="special">&</span> queue <span class="special">=</span> <span class="identifier">system</span><span class="special">::</span><span class="identifier">default_queue</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre></li> 232<li class="listitem"> 233<pre class="literallayout"><a name="idm45549385578896-bb"></a><span class="identifier">vector</span><span class="special">(</span><a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&&</span> other<span class="special">)</span><span class="special">;</span></pre>Move-constructs a new vector from <code class="computeroutput">other</code>. </li> 234<li class="listitem"><pre class="literallayout"><a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span> <a name="idm45549385586160-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span> other<span class="special">)</span><span class="special">;</span></pre></li> 235<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> OtherAlloc<span class="special">></span> 236 <a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span> <a name="idm45549385584160-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="vector.html" title="Class template vector">vector</a><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">OtherAlloc</span> <span class="special">></span> <span class="special">&</span> other<span class="special">)</span><span class="special">;</span></pre></li> 237<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> OtherAlloc<span class="special">></span> 238 <a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span> <a name="idm45549385581312-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">OtherAlloc</span> <span class="special">></span> <span class="special">&</span> vector<span class="special">)</span><span class="special">;</span></pre></li> 239<li class="listitem"> 240<pre class="literallayout"><a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span> <a name="idm45549385576880-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&&</span> other<span class="special">)</span><span class="special">;</span></pre>Move-assigns the data from <code class="computeroutput">other</code> to <code class="computeroutput">*this</code>. </li> 241<li class="listitem"> 242<pre class="literallayout"><a name="idm45549385573840-bb"></a><span class="special">~</span><span class="identifier">vector</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>Destroys the vector object. </li> 243</ol></div> 244</div> 245<div class="refsect2"> 246<a name="idm45849512129504"></a><h3> 247<a name="idm45549385721792-bb"></a><code class="computeroutput">vector</code> public member functions</h3> 248<div class="orderedlist"><ol class="orderedlist" type="1"> 249<li class="listitem"><pre class="literallayout"><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> <a name="idm45549385721232-bb"></a><span class="identifier">begin</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> 250<li class="listitem"><pre class="literallayout"><a class="link" href="vector.html#boost.compute.vector.const_iterator">const_iterator</a> <a name="idm45549385720256-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> 251<li class="listitem"><pre class="literallayout"><a class="link" href="vector.html#boost.compute.vector.const_iterator">const_iterator</a> <a name="idm45549385719008-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> 252<li class="listitem"><pre class="literallayout"><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> <a name="idm45549385717760-bb"></a><span class="identifier">end</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> 253<li class="listitem"><pre class="literallayout"><a class="link" href="vector.html#boost.compute.vector.const_iterator">const_iterator</a> <a name="idm45549385716784-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> 254<li class="listitem"><pre class="literallayout"><a class="link" href="vector.html#boost.compute.vector.const_iterator">const_iterator</a> <a name="idm45549385715536-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> 255<li class="listitem"><pre class="literallayout"><span class="identifier">reverse_iterator</span> <a name="idm45549385714288-bb"></a><span class="identifier">rbegin</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> 256<li class="listitem"><pre class="literallayout"><span class="identifier">const_reverse_iterator</span> <a name="idm45549385713440-bb"></a><span class="identifier">rbegin</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> 257<li class="listitem"><pre class="literallayout"><span class="identifier">const_reverse_iterator</span> <a name="idm45549385712320-bb"></a><span class="identifier">crbegin</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> 258<li class="listitem"><pre class="literallayout"><span class="identifier">reverse_iterator</span> <a name="idm45549385711200-bb"></a><span class="identifier">rend</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> 259<li class="listitem"><pre class="literallayout"><span class="identifier">const_reverse_iterator</span> <a name="idm45549385710352-bb"></a><span class="identifier">rend</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> 260<li class="listitem"><pre class="literallayout"><span class="identifier">const_reverse_iterator</span> <a name="idm45549385709232-bb"></a><span class="identifier">crend</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> 261<li class="listitem"> 262<pre class="literallayout"><span class="identifier">size_type</span> <a name="idm45549385708112-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 number of elements in the vector. </li> 263<li class="listitem"><pre class="literallayout"><span class="identifier">size_type</span> <a name="idm45549385706672-bb"></a><span class="identifier">max_size</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> 264<li class="listitem"> 265<pre class="literallayout"><span class="keyword">void</span> <a name="idm45549385705552-bb"></a><span class="identifier">resize</span><span class="special">(</span><span class="identifier">size_type</span> size<span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span> queue<span class="special">)</span><span class="special">;</span></pre>Resizes the vector to <code class="computeroutput">size</code>. </li> 266<li class="listitem"> 267<pre class="literallayout"><span class="keyword">void</span> <a name="idm45549385702592-bb"></a><span class="identifier">resize</span><span class="special">(</span><span class="identifier">size_type</span> size<span class="special">)</span><span class="special">;</span></pre> 268<p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> 269</li> 270<li class="listitem"> 271<pre class="literallayout"><span class="keyword">bool</span> <a name="idm45549385700512-bb"></a><span class="identifier">empty</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Returns <code class="computeroutput">true</code> if the vector is empty. </li> 272<li class="listitem"> 273<pre class="literallayout"><span class="identifier">size_type</span> <a name="idm45549385698640-bb"></a><span class="identifier">capacity</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Returns the capacity of the vector. </li> 274<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45549385697216-bb"></a><span class="identifier">reserve</span><span class="special">(</span><span class="identifier">size_type</span> size<span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span> queue<span class="special">)</span><span class="special">;</span></pre></li> 275<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45549385694992-bb"></a><span class="identifier">reserve</span><span class="special">(</span><span class="identifier">size_type</span> size<span class="special">)</span><span class="special">;</span></pre></li> 276<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45549385693456-bb"></a><span class="identifier">shrink_to_fit</span><span class="special">(</span><span class="identifier">command_queue</span> <span class="special">&</span> queue<span class="special">)</span><span class="special">;</span></pre></li> 277<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45549385691920-bb"></a><span class="identifier">shrink_to_fit</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> 278<li class="listitem"><pre class="literallayout"><span class="identifier">reference</span> <a name="idm45549385691072-bb"></a><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span><span class="special">(</span><span class="identifier">size_type</span> index<span class="special">)</span><span class="special">;</span></pre></li> 279<li class="listitem"><pre class="literallayout"><span class="identifier">const_reference</span> <a name="idm45549385689536-bb"></a><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span><span class="special">(</span><span class="identifier">size_type</span> index<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> 280<li class="listitem"><pre class="literallayout"><span class="identifier">reference</span> <a name="idm45549385687728-bb"></a><span class="identifier">at</span><span class="special">(</span><span class="identifier">size_type</span> index<span class="special">)</span><span class="special">;</span></pre></li> 281<li class="listitem"><pre class="literallayout"><span class="identifier">const_reference</span> <a name="idm45549385686192-bb"></a><span class="identifier">at</span><span class="special">(</span><span class="identifier">size_type</span> index<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> 282<li class="listitem"><pre class="literallayout"><span class="identifier">reference</span> <a name="idm45549385684384-bb"></a><span class="identifier">front</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> 283<li class="listitem"><pre class="literallayout"><span class="identifier">const_reference</span> <a name="idm45549385683536-bb"></a><span class="identifier">front</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> 284<li class="listitem"><pre class="literallayout"><span class="identifier">reference</span> <a name="idm45549385682416-bb"></a><span class="identifier">back</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> 285<li class="listitem"><pre class="literallayout"><span class="identifier">const_reference</span> <a name="idm45549385681568-bb"></a><span class="identifier">back</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> 286<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InputIterator<span class="special">></span> 287 <span class="keyword">void</span> <a name="idm45549385680448-bb"></a><span class="identifier">assign</span><span class="special">(</span><span class="identifier">InputIterator</span> first<span class="special">,</span> <span class="identifier">InputIterator</span> last<span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span> queue<span class="special">)</span><span class="special">;</span></pre></li> 288<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InputIterator<span class="special">></span> 289 <span class="keyword">void</span> <a name="idm45549385676688-bb"></a><span class="identifier">assign</span><span class="special">(</span><span class="identifier">InputIterator</span> first<span class="special">,</span> <span class="identifier">InputIterator</span> last<span class="special">)</span><span class="special">;</span></pre></li> 290<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45549385673616-bb"></a><span class="identifier">assign</span><span class="special">(</span><span class="identifier">size_type</span> n<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span> value<span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span> queue<span class="special">)</span><span class="special">;</span></pre></li> 291<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45549385670704-bb"></a><span class="identifier">assign</span><span class="special">(</span><span class="identifier">size_type</span> n<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span> value<span class="special">)</span><span class="special">;</span></pre></li> 292<li class="listitem"> 293<pre class="literallayout"><span class="keyword">void</span> <a name="idm45549385668480-bb"></a><span class="identifier">push_back</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span> value<span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span> queue<span class="special">)</span><span class="special">;</span></pre> 294<p>Inserts <code class="computeroutput">value</code> at the end of the vector (resizing if neccessary).</p> 295<p>Note that calling <code class="computeroutput">push_back()</code> to insert data values one at a time is inefficient as there is a non-trivial overhead in performing a data transfer to the device. It is usually better to store a set of values on the host (for example, in a <code class="computeroutput">std::vector</code>) and then transfer them in bulk using the <code class="computeroutput">insert()</code> method or the copy() algorithm. </p> 296</li> 297<li class="listitem"> 298<pre class="literallayout"><span class="keyword">void</span> <a name="idm45549385663488-bb"></a><span class="identifier">push_back</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span> value<span class="special">)</span><span class="special">;</span></pre> 299<p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> 300</li> 301<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45549385661408-bb"></a><span class="identifier">pop_back</span><span class="special">(</span><span class="identifier">command_queue</span> <span class="special">&</span> queue<span class="special">)</span><span class="special">;</span></pre></li> 302<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45549385659872-bb"></a><span class="identifier">pop_back</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> 303<li class="listitem"><pre class="literallayout"><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> <a name="idm45549385659024-bb"></a><span class="identifier">insert</span><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> position<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span> value<span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span> queue<span class="special">)</span><span class="special">;</span></pre></li> 304<li class="listitem"><pre class="literallayout"><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> <a name="idm45549385655856-bb"></a><span class="identifier">insert</span><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> position<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span> value<span class="special">)</span><span class="special">;</span></pre></li> 305<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45549385653376-bb"></a><span class="identifier">insert</span><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> position<span class="special">,</span> <span class="identifier">size_type</span> count<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span> value<span class="special">,</span> 306 <span class="identifier">command_queue</span> <span class="special">&</span> queue<span class="special">)</span><span class="special">;</span></pre></li> 307<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45549385649648-bb"></a><span class="identifier">insert</span><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> position<span class="special">,</span> <span class="identifier">size_type</span> count<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span> value<span class="special">)</span><span class="special">;</span></pre></li> 308<li class="listitem"> 309<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InputIterator<span class="special">></span> 310 <span class="keyword">void</span> <a name="idm45549385646608-bb"></a><span class="identifier">insert</span><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> position<span class="special">,</span> <span class="identifier">InputIterator</span> first<span class="special">,</span> <span class="identifier">InputIterator</span> last<span class="special">,</span> 311 <span class="identifier">command_queue</span> <span class="special">&</span> queue<span class="special">)</span><span class="special">;</span></pre> 312<p>Inserts the values in the range [<code class="computeroutput">first</code>, <code class="computeroutput">last</code>) into the vector at <code class="computeroutput">position</code> using <code class="computeroutput">queue</code>. </p> 313</li> 314<li class="listitem"> 315<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InputIterator<span class="special">></span> 316 <span class="keyword">void</span> <a name="idm45549385639808-bb"></a><span class="identifier">insert</span><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> position<span class="special">,</span> <span class="identifier">InputIterator</span> first<span class="special">,</span> <span class="identifier">InputIterator</span> last<span class="special">)</span><span class="special">;</span></pre> 317<p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p> 318</li> 319<li class="listitem"><pre class="literallayout"><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> <a name="idm45549385635376-bb"></a><span class="identifier">erase</span><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> position<span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span> queue<span class="special">)</span><span class="special">;</span></pre></li> 320<li class="listitem"><pre class="literallayout"><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> <a name="idm45549385632896-bb"></a><span class="identifier">erase</span><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> position<span class="special">)</span><span class="special">;</span></pre></li> 321<li class="listitem"><pre class="literallayout"><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> <a name="idm45549385631104-bb"></a><span class="identifier">erase</span><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> first<span class="special">,</span> <a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> last<span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&</span> queue<span class="special">)</span><span class="special">;</span></pre></li> 322<li class="listitem"><pre class="literallayout"><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> <a name="idm45549385627808-bb"></a><span class="identifier">erase</span><span class="special">(</span><a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> first<span class="special">,</span> <a class="link" href="vector.html#boost.compute.vector.iterator">iterator</a> last<span class="special">)</span><span class="special">;</span></pre></li> 323<li class="listitem"> 324<pre class="literallayout"><span class="keyword">void</span> <a name="idm45549385625200-bb"></a><span class="identifier">swap</span><span class="special">(</span><a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span> other<span class="special">)</span><span class="special">;</span></pre>Swaps the contents of <code class="computeroutput">*this</code> with <code class="computeroutput">other</code>. </li> 325<li class="listitem"> 326<pre class="literallayout"><span class="keyword">void</span> <a name="idm45549385622192-bb"></a><span class="identifier">clear</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>Removes all elements from the vector. </li> 327<li class="listitem"><pre class="literallayout"><span class="identifier">allocator_type</span> <a name="idm45549385621040-bb"></a><span class="identifier">get_allocator</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li> 328<li class="listitem"> 329<pre class="literallayout"><span class="keyword">const</span> <span class="identifier">buffer</span> <span class="special">&</span> <a name="idm45549385619920-bb"></a><span class="identifier">get_buffer</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Returns the underlying buffer. </li> 330</ol></div> 331</div> 332</div> 333</div> 334<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 335<td align="left"></td> 336<td align="right"><div class="copyright-footer">Copyright © 2013, 2014 Kyle Lutz<p> 337 Distributed under the Boost Software License, Version 1.0. (See accompanying 338 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>) 339 </p> 340</div></td> 341</tr></table> 342<hr> 343<div class="spirit-nav"> 344<a accesskey="p" href="../../BOOST_CO_idm45549385751072.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../boost_compute/reference.html#header.boost.compute.container.vector_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="context_error.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 345</div> 346</body> 347</html> 348
