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| <div class="section"> |
| <div class="titlepage"><div><div><h5 class="title"> |
| <a name="range.reference.algorithms.mutating.partition"></a><a class="link" href="partition.html" title="partition"> partition</a> |
| </h5></div></div></div> |
| <a name="range.reference.algorithms.mutating.partition.prototype"></a><h6> |
| <a name="id801366"></a> |
| <a class="link" href="partition.html#range.reference.algorithms.mutating.partition.prototype">Prototype</a> |
| </h6> |
| <p> |
| |
| </p> |
| <pre class="programlisting"><span class="keyword">template</span><span class="special"><</span> |
| <span class="keyword">class</span> <span class="identifier">ForwardRange</span><span class="special">,</span> |
| <span class="keyword">class</span> <span class="identifier">UnaryPredicate</span> |
| <span class="special">></span> |
| <span class="keyword">typename</span> <span class="identifier">range_iterator</span><span class="special"><</span><span class="identifier">ForwardRange</span><span class="special">>::</span><span class="identifier">type</span> |
| <span class="identifier">partition</span><span class="special">(</span><span class="identifier">ForwardRange</span><span class="special">&</span> <span class="identifier">rng</span><span class="special">,</span> <span class="identifier">UnaryPredicate</span> <span class="identifier">pred</span><span class="special">);</span> |
| |
| <span class="keyword">template</span><span class="special"><</span> |
| <span class="keyword">class</span> <span class="identifier">ForwardRange</span><span class="special">,</span> |
| <span class="keyword">class</span> <span class="identifier">UnaryPredicate</span> |
| <span class="special">></span> |
| <span class="keyword">typename</span> <span class="identifier">range_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">ForwardRange</span><span class="special">>::</span><span class="identifier">type</span> |
| <span class="identifier">partition</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">ForwardRange</span><span class="special">&</span> <span class="identifier">rng</span><span class="special">,</span> <span class="identifier">UnaryPredicate</span> <span class="identifier">pred</span><span class="special">);</span> |
| |
| <span class="keyword">template</span><span class="special"><</span> |
| <span class="identifier">range_return_value</span> <span class="identifier">re</span><span class="special">,</span> |
| <span class="keyword">class</span> <span class="identifier">ForwardRange</span><span class="special">,</span> |
| <span class="keyword">class</span> <span class="identifier">UnaryPredicate</span> |
| <span class="special">></span> |
| <span class="keyword">typename</span> <span class="identifier">range_return</span><span class="special"><</span><span class="identifier">ForwardRange</span><span class="special">,</span> <span class="identifier">re</span><span class="special">>::</span><span class="identifier">type</span> |
| <span class="identifier">partition</span><span class="special">(</span><span class="identifier">ForwardRange</span><span class="special">&</span> <span class="identifier">rng</span><span class="special">,</span> <span class="identifier">UnaryPredicate</span> <span class="identifier">pred</span><span class="special">);</span> |
| |
| <span class="keyword">template</span><span class="special"><</span> |
| <span class="identifier">range_return_value</span> <span class="identifier">re</span><span class="special">,</span> |
| <span class="keyword">class</span> <span class="identifier">ForwardRange</span><span class="special">,</span> |
| <span class="keyword">class</span> <span class="identifier">UnaryPredicate</span> |
| <span class="special">></span> |
| <span class="keyword">typename</span> <span class="identifier">range_return</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">ForwardRange</span><span class="special">,</span> <span class="identifier">re</span><span class="special">>::</span><span class="identifier">type</span> |
| <span class="identifier">partition</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">ForwardRange</span><span class="special">&</span> <span class="identifier">rng</span><span class="special">,</span> <span class="identifier">UnaryPredicate</span> <span class="identifier">pred</span><span class="special">);</span> |
| </pre> |
| <p> |
| </p> |
| <a name="range.reference.algorithms.mutating.partition.description"></a><h6> |
| <a name="id801932"></a> |
| <a class="link" href="partition.html#range.reference.algorithms.mutating.partition.description">Description</a> |
| </h6> |
| <p> |
| <code class="computeroutput"><span class="identifier">partition</span></code> orders the |
| elements in <code class="computeroutput"><span class="identifier">rng</span></code> based |
| on <code class="computeroutput"><span class="identifier">pred</span></code>, such that the |
| elements that satisfy <code class="computeroutput"><span class="identifier">pred</span></code> |
| precede the elements that do not. In the versions that return a single |
| iterator, the return value is the middle iterator. In the versions that |
| have a configurable range_return, <code class="computeroutput"><span class="identifier">found</span></code> |
| corresponds to the middle iterator. |
| </p> |
| <a name="range.reference.algorithms.mutating.partition.definition"></a><h6> |
| <a name="id802013"></a> |
| <a class="link" href="partition.html#range.reference.algorithms.mutating.partition.definition">Definition</a> |
| </h6> |
| <p> |
| Defined in the header file <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">range</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">partition</span><span class="special">.</span><span class="identifier">hpp</span></code> |
| </p> |
| <a name="range.reference.algorithms.mutating.partition.requirements"></a><h6> |
| <a name="id802084"></a> |
| <a class="link" href="partition.html#range.reference.algorithms.mutating.partition.requirements">Requirements</a> |
| </h6> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">ForwardRange</span></code> is a |
| model of the <a class="link" href="../../../concepts/forward_range.html" title="Forward Range">Forward |
| Range</a> Concept. |
| </li> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">UnaryPredicate</span></code> is |
| a model of the <code class="computeroutput"><span class="identifier">PredicateConcept</span></code>. |
| </li> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">ForwardRange</span></code>'s value |
| type is convertible to <code class="computeroutput"><span class="identifier">UnaryPredicate</span></code>'s |
| argument type. |
| </li> |
| </ul></div> |
| <a name="range.reference.algorithms.mutating.partition.complexity"></a><h6> |
| <a name="id802190"></a> |
| <a class="link" href="partition.html#range.reference.algorithms.mutating.partition.complexity">Complexity</a> |
| </h6> |
| <p> |
| Linear. Exactly <code class="computeroutput"><span class="identifier">distance</span><span class="special">(</span><span class="identifier">rng</span><span class="special">)</span></code> applications of <code class="computeroutput"><span class="identifier">pred</span></code>, |
| and at most <code class="computeroutput"><span class="identifier">distance</span><span class="special">(</span><span class="identifier">rng</span><span class="special">)</span> <span class="special">/</span> <span class="number">2</span></code> |
| swaps. |
| </p> |
| </div> |
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| <td align="right"><div class="copyright-footer">Copyright © 2003 -2010 Thorsten Ottosen, Neil Groves<p> |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 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>) |
| </p> |
| </div></td> |
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