1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Function merge</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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class="spirit-nav"> 23<a accesskey="p" href="max_element.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../boost_compute/reference.html#header.boost.compute.algorithm.merge_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="min_element.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="refentry"> 26<a name="boost.compute.merge"></a><div class="titlepage"></div> 27<div class="refnamediv"> 28<h2><span class="refentrytitle">Function merge</span></h2> 29<p>boost::compute::merge</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.algorithm.merge_hpp" title="Header <boost/compute/algorithm/merge.hpp>">boost/compute/algorithm/merge.hpp</a>> 33 34</span> 35<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InputIterator1<span class="special">,</span> <span class="keyword">typename</span> InputIterator2<span class="special">,</span> 36 <span class="keyword">typename</span> OutputIterator<span class="special">,</span> <span class="keyword">typename</span> Compare<span class="special">></span> 37 <span class="identifier">OutputIterator</span> 38 <span class="identifier">merge</span><span class="special">(</span><span class="identifier">InputIterator1</span> first1<span class="special">,</span> <span class="identifier">InputIterator1</span> last1<span class="special">,</span> <span class="identifier">InputIterator2</span> first2<span class="special">,</span> 39 <span class="identifier">InputIterator2</span> last2<span class="special">,</span> <span class="identifier">OutputIterator</span> result<span class="special">,</span> <span class="identifier">Compare</span> comp<span class="special">,</span> 40 <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> 41<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InputIterator1<span class="special">,</span> <span class="keyword">typename</span> InputIterator2<span class="special">,</span> 42 <span class="keyword">typename</span> OutputIterator<span class="special">></span> 43 <span class="identifier">OutputIterator</span> 44 <span class="identifier">merge</span><span class="special">(</span><span class="identifier">InputIterator1</span> first1<span class="special">,</span> <span class="identifier">InputIterator1</span> last1<span class="special">,</span> <span class="identifier">InputIterator2</span> first2<span class="special">,</span> 45 <span class="identifier">InputIterator2</span> last2<span class="special">,</span> <span class="identifier">OutputIterator</span> result<span class="special">,</span> 46 <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></div> 47<div class="refsect1"> 48<a name="idm45849520883312"></a><h2>Description</h2> 49<p>Merges the sorted values in the range [<code class="computeroutput">first1</code>, <code class="computeroutput">last1</code>) with the sorted values in the range [<code class="computeroutput">first2</code>, last2) and stores the result in the range beginning at <code class="computeroutput">result</code>. Values are compared using the <code class="computeroutput">comp</code> function. If no comparision function is given, <code class="computeroutput">less</code> is used.</p> 50<p> 51 52Space complexity: \Omega(distance(<code class="computeroutput">first1</code>, <code class="computeroutput">last1</code>) + distance(<code class="computeroutput">first2</code>, <code class="computeroutput">last2</code>))</p> 53<p><span class="bold"><strong>See Also:</strong></span></p> 54<p>inplace_merge() </p> 55<p> 56</p> 57<p> 58</p> 59<div class="variablelist"><table border="0" class="variablelist compact"> 60<colgroup> 61<col align="left" valign="top"> 62<col> 63</colgroup> 64<tbody> 65<tr> 66<td><p><span class="term">Parameters:</span></p></td> 67<td><div class="variablelist"><table border="0" class="variablelist compact"> 68<colgroup> 69<col align="left" valign="top"> 70<col> 71</colgroup> 72<tbody> 73<tr> 74<td><p><span class="term"><code class="computeroutput">comp</code></span></p></td> 75<td><p>comparison function (by default <code class="computeroutput">less</code>) </p></td> 76</tr> 77<tr> 78<td><p><span class="term"><code class="computeroutput">first1</code></span></p></td> 79<td><p>first element in the first range to merge </p></td> 80</tr> 81<tr> 82<td><p><span class="term"><code class="computeroutput">first2</code></span></p></td> 83<td><p>first element in the second range to merge </p></td> 84</tr> 85<tr> 86<td><p><span class="term"><code class="computeroutput">last1</code></span></p></td> 87<td><p>last element in the first range to merge </p></td> 88</tr> 89<tr> 90<td><p><span class="term"><code class="computeroutput">last2</code></span></p></td> 91<td><p>last element in the second range to merge </p></td> 92</tr> 93<tr> 94<td><p><span class="term"><code class="computeroutput">queue</code></span></p></td> 95<td><p>command queue to perform the operation</p></td> 96</tr> 97<tr> 98<td><p><span class="term"><code class="computeroutput">result</code></span></p></td> 99<td><p>first element in the result range </p></td> 100</tr> 101</tbody> 102</table></div></td> 103</tr> 104<tr> 105<td><p><span class="term">Returns:</span></p></td> 106<td><p><code class="computeroutput">OutputIterator</code> to the end of the result range</p></td> 107</tr> 108</tbody> 109</table></div> 110</div> 111</div> 112<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 113<td align="left"></td> 114<td align="right"><div class="copyright-footer">Copyright © 2013, 2014 Kyle Lutz<p> 115 Distributed under the Boost Software License, Version 1.0. (See accompanying 116 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>) 117 </p> 118</div></td> 119</tr></table> 120<hr> 121<div class="spirit-nav"> 122<a accesskey="p" href="max_element.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../boost_compute/reference.html#header.boost.compute.algorithm.merge_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="min_element.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 123</div> 124</body> 125</html> 126
