152 lines
12 KiB
HTML
152 lines
12 KiB
HTML
<?xml version="1.0" encoding="utf-8" ?>
|
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
|
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
|
|
<meta name="generator" content="Docutils 0.7: http://docutils.sourceforge.net/" />
|
|
<title>The MPL Reference Manual: stable_partition</title>
|
|
<link rel="stylesheet" href="../style.css" type="text/css" />
|
|
</head>
|
|
<body class="docframe refmanual">
|
|
<table class="header"><tr class="header"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./partition.html" class="navigation-link">Prev</a> <a href="./sort.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./partition.html" class="navigation-link">Back</a> <a href="./sort.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>
|
|
<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="./stable-partition.html" class="navigation-link">stable_partition</a></td>
|
|
</tr></table><div class="header-separator"></div>
|
|
<div class="section" id="stable-partition">
|
|
<h1><a class="toc-backref" href="./transformation-algorithms.html#id1495">stable_partition</a></h1>
|
|
<div class="section" id="id696">
|
|
<h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3>
|
|
<pre class="literal-block">
|
|
template<
|
|
typename Seq
|
|
, typename Pred
|
|
, typename In1 = <em>unspecified</em>
|
|
, typename In2 = <em>unspecified</em>
|
|
>
|
|
struct <a href="./stable-partition.html" class="identifier">stable_partition</a>
|
|
{
|
|
typedef <em>unspecified</em> type;
|
|
};
|
|
</pre>
|
|
</div>
|
|
<div class="section" id="id697">
|
|
<h3><a class="subsection-title" href="#description" name="description">Description</a></h3>
|
|
<p>Returns a pair of sequences together containing 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>) split into two groups based on the predicate <tt class="literal"><span class="pre">Pred</span></tt>.
|
|
<tt class="literal"><span class="pre"><a href="./stable-partition.html" class="identifier">stable_partition</a></span></tt> is guaranteed to preserve the relative order of the
|
|
elements in the resulting sequences.</p>
|
|
<p>[<em>Note:</em> This wording applies to a no-inserter version(s) of the algorithm. See the
|
|
<cite>Expression semantics</cite> subsection for a precise specification of the algorithm's
|
|
details in all cases — <em>end note</em>]</p>
|
|
</div>
|
|
<div class="section" id="id698">
|
|
<h3><a class="subsection-title" href="#header" name="header">Header</a></h3>
|
|
<pre class="literal-block">
|
|
#include <<a href="../../../../boost/mpl/stable_partition.hpp" class="header">boost/mpl/stable_partition.hpp</a>>
|
|
</pre>
|
|
</div>
|
|
<div class="section" id="id699">
|
|
<h3><a class="subsection-title" href="#model-of" name="model-of">Model of</a></h3>
|
|
<p><a class="reference internal" href="./reversible-algorithm.html">Reversible Algorithm</a></p>
|
|
</div>
|
|
<div class="section" id="id700">
|
|
<h3><a class="subsection-title" href="#parameters" name="parameters">Parameters</a></h3>
|
|
<table border="1" class="docutils table">
|
|
<colgroup>
|
|
<col width="22%" />
|
|
<col width="41%" />
|
|
<col width="36%" />
|
|
</colgroup>
|
|
<thead valign="bottom">
|
|
<tr><th class="head">Parameter</th>
|
|
<th class="head">Requirement</th>
|
|
<th class="head">Description</th>
|
|
</tr>
|
|
</thead>
|
|
<tbody valign="top">
|
|
<tr><td><tt class="literal"><span class="pre">Seq</span></tt></td>
|
|
<td><a class="reference internal" href="./forward-sequence.html">Forward Sequence</a></td>
|
|
<td>An original sequence.</td>
|
|
</tr>
|
|
<tr><td><tt class="literal"><span class="pre">Pred</span></tt></td>
|
|
<td>Unary <a class="reference internal" href="./lambda-expression.html">Lambda Expression</a></td>
|
|
<td>A partitioning predicate.</td>
|
|
</tr>
|
|
<tr><td><tt class="literal"><span class="pre">In1</span></tt>, <tt class="literal"><span class="pre">In2</span></tt></td>
|
|
<td><a class="reference internal" href="./inserter.html">Inserter</a></td>
|
|
<td>Output inserters.</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<div class="section" id="id701">
|
|
<h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3>
|
|
<p>The semantics of an expression are defined only
|
|
where they differ from, or are not defined in <a class="reference internal" href="./reversible-algorithm.html">Reversible Algorithm</a>.</p>
|
|
<p>For any <a class="reference internal" href="./forward-sequence.html">Forward Sequence</a> <tt class="literal"><span class="pre">s</span></tt>, an unary <a class="reference internal" href="./lambda-expression.html">Lambda Expression</a> <tt class="literal"><span class="pre">pred</span></tt>, and <a class="reference internal" href="./inserter.html">Inserter</a>s
|
|
<tt class="literal"><span class="pre">in1</span></tt> and <tt class="literal"><span class="pre">in2</span></tt>:</p>
|
|
<pre class="literal-block">
|
|
typedef <a href="./stable-partition.html" class="identifier">stable_partition</a><s,pred,in1,in2>::type r;
|
|
</pre>
|
|
<table class="docutils field-list" frame="void" rules="none">
|
|
<col class="field-name" />
|
|
<col class="field-body" />
|
|
<tbody valign="top">
|
|
<tr class="field"><th class="field-name">Return type:</th><td class="field-body"><p class="first">A <a class="reference internal" href="./pair.html">pair</a>.</p>
|
|
</td>
|
|
</tr>
|
|
<tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><p class="first">Equivalent to</p>
|
|
<pre class="last literal-block">
|
|
typedef <a href="./lambda.html" class="identifier">lambda</a><pred>::type p;
|
|
typedef <a href="./lambda.html" class="identifier">lambda</a><in1::operation>::type in1_op;
|
|
typedef <a href="./lambda.html" class="identifier">lambda</a><in2::operation>::type in2_op;
|
|
|
|
typedef <a href="./fold.html" class="identifier">fold</a><
|
|
s
|
|
, <a href="./pair.html" class="identifier">pair</a>< in1::state, in2::state >
|
|
, <a href="./if.html" class="identifier">if_</a><
|
|
<a href="./apply-wrap.html" class="identifier">apply_wrap</a><tt class="literal"><span class="pre">1</span></tt><p,<a href="./placeholders.html" class="identifier">_2</a>>
|
|
, <a href="./pair.html" class="identifier">pair</a>< <a href="./apply-wrap.html" class="identifier">apply_wrap</a><tt class="literal"><span class="pre">2</span></tt><in1_op,first<<a href="./placeholders.html" class="identifier">_1</a>>,<a href="./placeholders.html" class="identifier">_2</a>>, second<<a href="./placeholders.html" class="identifier">_1</a>> >
|
|
, <a href="./pair.html" class="identifier">pair</a>< first<<a href="./placeholders.html" class="identifier">_1</a>>, <a href="./apply-wrap.html" class="identifier">apply_wrap</a><tt class="literal"><span class="pre">2</span></tt><in2_op,second<<a href="./placeholders.html" class="identifier">_1</a>>,<a href="./placeholders.html" class="identifier">_2</a>> >
|
|
>
|
|
>::type r;
|
|
</pre>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<div class="section" id="id702">
|
|
<h3><a class="subsection-title" href="#complexity" name="complexity">Complexity</a></h3>
|
|
<p>Linear. Exactly <tt class="literal"><span class="pre"><a href="./size.html" class="identifier">size</a><s>::value</span></tt> applications of <tt class="literal"><span class="pre">pred</span></tt>, and <tt class="literal"><span class="pre"><a href="./size.html" class="identifier">size</a><s>::value</span></tt>
|
|
of summarized <tt class="literal"><span class="pre">in1::operation</span></tt> / <tt class="literal"><span class="pre">in2::operation</span></tt> applications.</p>
|
|
</div>
|
|
<div class="section" id="id703">
|
|
<h3><a class="subsection-title" href="#example" name="example">Example</a></h3>
|
|
<pre class="literal-block">
|
|
template< typename N > struct is_odd : <a href="./bool.html" class="identifier">bool_</a><(N::value % 2)> {};
|
|
|
|
typedef <a href="./stable-partition.html" class="identifier">stable_partition</a><
|
|
<a href="./range-c.html" class="identifier">range_c</a><int,0,10>
|
|
, is_odd<<a href="./placeholders.html" class="identifier">_1</a>>
|
|
, <a href="./back-inserter.html" class="identifier">back_inserter</a>< <a href="./vector.html" class="identifier">vector</a><> >
|
|
, <a href="./back-inserter.html" class="identifier">back_inserter</a>< <a href="./vector.html" class="identifier">vector</a><> >
|
|
>::type r;
|
|
|
|
<a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( <a href="./equal.html" class="identifier">equal</a>< r::first, <a href="./vector-c.html" class="identifier">vector_c</a><int,1,3,5,7,9> > ));
|
|
<a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( <a href="./equal.html" class="identifier">equal</a>< r::second, <a href="./vector-c.html" class="identifier">vector_c</a><int,0,2,4,6,8> > ));
|
|
</pre>
|
|
</div>
|
|
<div class="section" id="id704">
|
|
<h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3>
|
|
<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="./reverse-stable-partition.html">reverse_stable_partition</a>, <a class="reference internal" href="./partition.html">partition</a>, <a class="reference internal" href="./sort.html">sort</a>, <a class="reference internal" href="./transform.html">transform</a></p>
|
|
<!-- Algorithms/Transformation Algorithms//sort |95 -->
|
|
</div>
|
|
</div>
|
|
|
|
<div class="footer-separator"></div>
|
|
<table class="footer"><tr class="footer"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./partition.html" class="navigation-link">Prev</a> <a href="./sort.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./partition.html" class="navigation-link">Back</a> <a href="./sort.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>
|
|
<td><div class="copyright-footer"><div class="copyright">Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams</div>
|
|
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
file 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>
|
|
</html>
|