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| <div class="section"> |
| <div class="titlepage"><div><div><h5 class="title"> |
| <a name="range.reference.algorithms.mutating.stable_sort"></a><a class="link" href="stable_sort.html" title="stable_sort"> |
| stable_sort</a> |
| </h5></div></div></div> |
| <a name="range.reference.algorithms.mutating.stable_sort.prototype"></a><h6> |
| <a name="id813956"></a> |
| <a class="link" href="stable_sort.html#range.reference.algorithms.mutating.stable_sort.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">RandomAccessRange</span><span class="special">></span> |
| <span class="identifier">RandomAccessRange</span><span class="special">&</span> <span class="identifier">stable_sort</span><span class="special">(</span><span class="identifier">RandomAccessRange</span><span class="special">&</span> <span class="identifier">rng</span><span class="special">);</span> |
| |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">RandomAccessRange</span><span class="special">></span> |
| <span class="keyword">const</span> <span class="identifier">RandomAccessRange</span><span class="special">&</span> <span class="identifier">stable_sort</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">RandomAccessRange</span><span class="special">&</span> <span class="identifier">rng</span><span class="special">);</span> |
| |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">RandomAccessRange</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">BinaryPredicate</span><span class="special">></span> |
| <span class="identifier">RandomAccessRange</span><span class="special">&</span> <span class="identifier">stable_sort</span><span class="special">(</span><span class="identifier">RandomAccessRange</span><span class="special">&</span> <span class="identifier">rng</span><span class="special">,</span> <span class="identifier">BinaryPredicate</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">RandomAccessRange</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">BinaryPredicate</span><span class="special">></span> |
| <span class="keyword">const</span> <span class="identifier">RandomAccessRange</span><span class="special">&</span> <span class="identifier">stable_sort</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">RandomAccessRange</span><span class="special">&</span> <span class="identifier">rng</span><span class="special">,</span> <span class="identifier">BinaryPredicate</span> <span class="identifier">pred</span><span class="special">);</span> |
| </pre> |
| <p> |
| </p> |
| <a name="range.reference.algorithms.mutating.stable_sort.description"></a><h6> |
| <a name="id814328"></a> |
| <a class="link" href="stable_sort.html#range.reference.algorithms.mutating.stable_sort.description">Description</a> |
| </h6> |
| <p> |
| <code class="computeroutput"><span class="identifier">stable_sort</span></code> sorts the |
| elements in <code class="computeroutput"><span class="identifier">rng</span></code> into |
| ascending order. <code class="computeroutput"><span class="identifier">stable_sort</span></code> |
| is guaranteed to be stable. The order is preserved for equivalent elements. |
| </p> |
| <p> |
| For versions of the <code class="computeroutput"><span class="identifier">stable_sort</span></code> |
| function without a predicate ascending order is defined by <code class="computeroutput"><span class="keyword">operator</span><span class="special"><()</span></code> |
| such that for all adjacent elements <code class="computeroutput"><span class="special">[</span><span class="identifier">x</span><span class="special">,</span><span class="identifier">y</span><span class="special">]</span></code>, |
| <code class="computeroutput"><span class="identifier">y</span> <span class="special"><</span> |
| <span class="identifier">x</span> <span class="special">==</span> |
| <span class="keyword">false</span></code>. |
| </p> |
| <p> |
| For versions of the <code class="computeroutput"><span class="identifier">stable_sort</span></code> |
| function with a predicate, ascending order is designed by <code class="computeroutput"><span class="identifier">pred</span></code> such that for all adjacent elements |
| <code class="computeroutput"><span class="special">[</span><span class="identifier">x</span><span class="special">,</span><span class="identifier">y</span><span class="special">]</span></code>, <code class="computeroutput"><span class="identifier">pred</span><span class="special">(</span><span class="identifier">y</span><span class="special">,</span><span class="identifier">x</span><span class="special">)</span> <span class="special">==</span> <span class="keyword">false</span></code>. |
| </p> |
| <a name="range.reference.algorithms.mutating.stable_sort.definition"></a><h6> |
| <a name="id814573"></a> |
| <a class="link" href="stable_sort.html#range.reference.algorithms.mutating.stable_sort.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">stable_sort</span><span class="special">.</span><span class="identifier">hpp</span></code> |
| </p> |
| <a name="range.reference.algorithms.mutating.stable_sort.requirements"></a><h6> |
| <a name="id814643"></a> |
| <a class="link" href="stable_sort.html#range.reference.algorithms.mutating.stable_sort.requirements">Requirements</a> |
| </h6> |
| <p> |
| <span class="bold"><strong>For versions of stable_sort without a predicate</strong></span> |
| </p> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">RandomAccessRange</span></code> |
| is a model of the <a class="link" href="../../../concepts/random_access_range.html" title="Random Access Range">Random |
| Access Range</a> Concept. |
| </li> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">RandomAccessRange</span></code> |
| is mutable. |
| </li> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">RandomAccessRange</span></code>'s |
| value type is a model of the <code class="computeroutput"><span class="identifier">LessThanComparableConcept</span></code>. |
| </li> |
| <li class="listitem"> |
| The ordering relation on <code class="computeroutput"><span class="identifier">RandomAccessRange</span></code>'s |
| value type is a <span class="bold"><strong>strict weak ordering</strong></span>, |
| as defined in the <code class="computeroutput"><span class="identifier">LessThanComparableConcept</span></code> |
| requirements. |
| </li> |
| </ul></div> |
| <p> |
| <span class="bold"><strong>For versions of stable_sort with a predicate:</strong></span> |
| </p> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">RandomAccessRange</span></code> |
| is a model of the <a class="link" href="../../../concepts/random_access_range.html" title="Random Access Range">Random |
| Access Range</a> Concept. |
| </li> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">RandomAccessRange</span></code> |
| is mutable. |
| </li> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">BinaryPredicate</span></code> is |
| a model of the <code class="computeroutput"><span class="identifier">StrictWeakOrderingConcept</span></code>. |
| </li> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">RandomAccessRange</span></code>'s |
| value type is convertible to both of <code class="computeroutput"><span class="identifier">BinaryPredicate</span></code>'s |
| argument types. |
| </li> |
| </ul></div> |
| <a name="range.reference.algorithms.mutating.stable_sort.complexity"></a><h6> |
| <a name="id814900"></a> |
| <a class="link" href="stable_sort.html#range.reference.algorithms.mutating.stable_sort.complexity">Complexity</a> |
| </h6> |
| <p> |
| Best case: <code class="computeroutput"><span class="identifier">O</span><span class="special">(</span><span class="identifier">N</span><span class="special">)</span></code> |
| where <code class="computeroutput"><span class="identifier">N</span></code> is <code class="computeroutput"><span class="identifier">distance</span><span class="special">(</span><span class="identifier">rng</span><span class="special">)</span></code>. |
| Worst case: <code class="computeroutput"><span class="identifier">O</span><span class="special">(</span><span class="identifier">N</span> <span class="identifier">log</span><span class="special">(</span><span class="identifier">N</span><span class="special">)^</span><span class="number">2</span><span class="special">)</span></code> |
| comparisons, where <code class="computeroutput"><span class="identifier">N</span></code> |
| is <code class="computeroutput"><span class="identifier">distance</span><span class="special">(</span><span class="identifier">rng</span><span class="special">)</span></code>. |
| </p> |
| </div> |
| <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> |
| <td align="left"></td> |
| <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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