1<?xml version="1.0" encoding="utf-8" ?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> 4<head> 5<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 6<meta name="generator" content="Docutils 0.7: http://docutils.sourceforge.net/" /> 7<title>The MPL Reference Manual: sort</title> 8<link rel="stylesheet" href="../style.css" type="text/css" /> 9</head> 10<body class="docframe refmanual"> 11<table class="header"><tr class="header"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./stable-partition.html" class="navigation-link">Prev</a> <a href="./reverse.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./stable-partition.html" class="navigation-link">Back</a> <a href="./reverse.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./transformation-algorithms.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td> 12<td class="header-group page-location"><a href="../refmanual.html" class="navigation-link">Front Page</a> / <a href="./algorithms.html" class="navigation-link">Algorithms</a> / <a href="./transformation-algorithms.html" class="navigation-link">Transformation Algorithms</a> / <a href="./sort.html" class="navigation-link">sort</a></td> 13</tr></table><div class="header-separator"></div> 14<div class="section" id="sort"> 15<h1><a class="toc-backref" href="./transformation-algorithms.html#id1496">sort</a></h1> 16<div class="section" id="id705"> 17<h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3> 18<pre class="literal-block"> 19template< 20 typename Seq 21 , typename Pred = <a href="./less.html" class="identifier">less</a><<a href="./placeholders.html" class="identifier">_1</a>,<a href="./placeholders.html" class="identifier">_2</a>> 22 , typename In = <em>unspecified</em> 23 > 24struct <a href="./sort.html" class="identifier">sort</a> 25{ 26 typedef <em>unspecified</em> type; 27}; 28</pre> 29</div> 30<div class="section" id="id706"> 31<h3><a class="subsection-title" href="#description" name="description">Description</a></h3> 32<p>Returns a new sequence of all elements in the range [<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a><Seq>::type</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a><Seq>::type</span></tt>) sorted according 33to the ordering relation <tt class="literal"><span class="pre">Pred</span></tt>.</p> 34<p>[<em>Note:</em> This wording applies to a no-inserter version(s) of the algorithm. See the 35<cite>Expression semantics</cite> subsection for a precise specification of the algorithm's 36details in all cases — <em>end note</em>]</p> 37</div> 38<div class="section" id="id707"> 39<h3><a class="subsection-title" href="#header" name="header">Header</a></h3> 40<pre class="literal-block"> 41#include <<a href="../../../../boost/mpl/sort.hpp" class="header">boost/mpl/sort.hpp</a>> 42</pre> 43</div> 44<div class="section" id="id708"> 45<h3><a class="subsection-title" href="#model-of" name="model-of">Model of</a></h3> 46<p><a class="reference internal" href="./reversible-algorithm.html">Reversible Algorithm</a></p> 47</div> 48<div class="section" id="id709"> 49<h3><a class="subsection-title" href="#parameters" name="parameters">Parameters</a></h3> 50<table border="1" class="docutils table"> 51<colgroup> 52<col width="22%" /> 53<col width="41%" /> 54<col width="36%" /> 55</colgroup> 56<thead valign="bottom"> 57<tr><th class="head">Parameter</th> 58<th class="head">Requirement</th> 59<th class="head">Description</th> 60</tr> 61</thead> 62<tbody valign="top"> 63<tr><td><tt class="literal"><span class="pre">Seq</span></tt></td> 64<td><a class="reference internal" href="./forward-sequence.html">Forward Sequence</a></td> 65<td>An original sequence.</td> 66</tr> 67<tr><td><tt class="literal"><span class="pre">Pred</span></tt></td> 68<td>Binary <a class="reference internal" href="./lambda-expression.html">Lambda Expression</a></td> 69<td>An ordering relation.</td> 70</tr> 71<tr><td><tt class="literal"><span class="pre">In</span></tt></td> 72<td><a class="reference internal" href="./inserter.html">Inserter</a></td> 73<td>An inserter.</td> 74</tr> 75</tbody> 76</table> 77</div> 78<div class="section" id="id710"> 79<h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3> 80<p>The semantics of an expression are defined only 81where they differ from, or are not defined in <a class="reference internal" href="./reversible-algorithm.html">Reversible Algorithm</a>.</p> 82<p>For any <a class="reference internal" href="./forward-sequence.html">Forward Sequence</a> <tt class="literal"><span class="pre">s</span></tt>, a binary <a class="reference internal" href="./lambda-expression.html">Lambda Expression</a> <tt class="literal"><span class="pre">pred</span></tt>, and an 83<a class="reference internal" href="./inserter.html">Inserter</a> <tt class="literal"><span class="pre">in</span></tt>:</p> 84<pre class="literal-block"> 85typedef <a href="./sort.html" class="identifier">sort</a><s,pred,in>::type r; 86</pre> 87<table class="docutils field-list" frame="void" rules="none"> 88<col class="field-name" /> 89<col class="field-body" /> 90<tbody valign="top"> 91<tr class="field"><th class="field-name">Return type:</th><td class="field-body"><p class="first">A type.</p> 92</td> 93</tr> 94<tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><p class="first">If <tt class="literal"><span class="pre"><a href="./size.html" class="identifier">size</a><s>::value</span> <span class="pre"><=</span> <span class="pre">1</span></tt>, equivalent to</p> 95<pre class="literal-block"> 96typedef <a href="./copy.html" class="identifier">copy</a><s,in>::type r; 97</pre> 98<p>otherwise equivalent to</p> 99<pre class="last literal-block"> 100typedef <a href="./back-inserter.html" class="identifier">back_inserter</a>< <a href="./vector.html" class="identifier">vector</a><> > aux_in; 101typedef <a href="./lambda.html" class="identifier">lambda</a><pred>::type p; 102 103typedef <a href="./begin.html" class="identifier">begin</a><s>::type pivot; 104typedef <a href="./partition.html" class="identifier">partition</a>< 105 <a href="./iterator-range.html" class="identifier">iterator_range</a>< <a href="./next.html" class="identifier">next</a><pivot>::type, <a href="./end.html" class="identifier">end</a><s>::type > 106 , apply_wrap2<p,<a href="./placeholders.html" class="identifier">_1</a>,<a href="./deref.html" class="identifier">deref</a><pivot>::type> 107 , aux_in 108 , aux_in 109 >::type partitioned; 110 111typedef <a href="./sort.html" class="identifier">sort</a><partitioned::first,p,aux_in >::type part1; 112typedef <a href="./sort.html" class="identifier">sort</a><partitioned::second,p,aux_in >::type part2; 113 114typedef <a href="./copy.html" class="identifier">copy</a>< 115 <a href="./joint-view.html" class="identifier">joint_view</a>< 116 <a href="./joint-view.html" class="identifier">joint_view</a><part1,<a href="./single-view.html" class="identifier">single_view</a>< <a href="./deref.html" class="identifier">deref</a><pivot>::type > > 117 , part2 118 > 119 , in 120 >::type r; 121</pre> 122</td> 123</tr> 124</tbody> 125</table> 126</div> 127<div class="section" id="id711"> 128<h3><a class="subsection-title" href="#complexity" name="complexity">Complexity</a></h3> 129<p>Average <em>O(n log(n))</em> where <em>n</em> == <tt class="literal"><span class="pre"><a href="./size.html" class="identifier">size</a><s>::value</span></tt>, quadratic at worst.</p> 130</div> 131<div class="section" id="id712"> 132<h3><a class="subsection-title" href="#example" name="example">Example</a></h3> 133<pre class="literal-block"> 134typedef <a href="./vector-c.html" class="identifier">vector_c</a><int,3,4,0,-5,8,-1,7> numbers; 135typedef <a href="./vector-c.html" class="identifier">vector_c</a><int,-5,-1,0,3,4,7,8> expected; 136typedef <a href="./sort.html" class="identifier">sort</a><numbers>::type result; 137 138<a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( <a href="./equal.html" class="identifier">equal</a>< result, expected, <a href="./equal-to.html" class="identifier">equal_to</a><_,_> > )); 139</pre> 140</div> 141<div class="section" id="id713"> 142<h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3> 143<p><a class="reference internal" href="./transformation-algorithms.html">Transformation Algorithms</a>, <a class="reference internal" href="./reversible-algorithm.html">Reversible Algorithm</a>, <a class="reference internal" href="./partition.html">partition</a></p> 144<!-- Algorithms/Transformation Algorithms//reverse |100 --> 145</div> 146</div> 147 148<div class="footer-separator"></div> 149<table class="footer"><tr class="footer"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./stable-partition.html" class="navigation-link">Prev</a> <a href="./reverse.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./stable-partition.html" class="navigation-link">Back</a> <a href="./reverse.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./transformation-algorithms.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td> 150<td><div class="copyright-footer"><div class="copyright">Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams</div> 151Distributed under the Boost Software License, Version 1.0. (See accompanying 152file LICENSE_1_0.txt or copy at <a class="reference external" href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</div></td></tr></table></body> 153</html> 154