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  28 <div><h2 class="title">
  29 <a name="heap"></a>Chapter&#160;17.&#160;Boost.Heap</h2></div>
  30 <div><div class="author"><h3 class="author">
  31 <span class="firstname">Tim</span> <span class="surname">Blechmann</span>
  32 </h3></div></div>
  33 <div><p class="copyright">Copyright &#169; 2010, 2011 Tim Blechmann</p></div>
  34 <div><div class="legalnotice">
  35 <a name="heap.legal"></a><p>
  36         Distributed under the Boost Software License, Version 1.0. (See accompanying
  37         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>)
  38       </p>
  39 </div></div>
  40 </div></div>
  41 <div class="toc">
  42 <p><b>Table of Contents</b></p>
  43 <dl class="toc">
  44 <dt><span class="section"><a href="heap.html#heap.introduction___motivation">Introduction &amp; Motivation</a></span></dt>
  45 <dt><span class="section"><a href="heap/concepts.html">Concepts &amp; Interface</a></span></dt>
  46 <dd><dl>
  47 <dt><span class="section"><a href="heap/concepts.html#heap.concepts.basic">Basic Priority Queue Interface</a></span></dt>
  48 <dt><span class="section"><a href="heap/concepts.html#heap.concepts.iterators">Priority Queue Iterators</a></span></dt>
  49 <dt><span class="section"><a href="heap/concepts.html#heap.concepts.comparing">Comparing Priority Queues &amp;
  50       Equivalence</a></span></dt>
  51 <dt><span class="section"><a href="heap/concepts.html#heap.concepts.merge">Merging Priority Queues</a></span></dt>
  52 <dt><span class="section"><a href="heap/concepts.html#heap.concepts.mutability">Mutability</a></span></dt>
  53 <dt><span class="section"><a href="heap/concepts.html#heap.concepts.stability">Stability</a></span></dt>
  54 </dl></dd>
  55 <dt><span class="section"><a href="heap/data_structures.html">Data Structures</a></span></dt>
  56 <dd><dl><dt><span class="section"><a href="heap/data_structures.html#heap.data_structures.data_structure_configuration">Data
  57       Structure Configuration</a></span></dt></dl></dd>
  58 <dt><span class="section"><a href="heap/reference.html">Reference</a></span></dt>
  59 <dd><dl>
  60 <dt><span class="section"><a href="heap/reference.html#header.boost.heap.binomial_heap_hpp">Header &lt;boost/heap/binomial_heap.hpp&gt;</a></span></dt>
  61 <dt><span class="section"><a href="heap/reference.html#header.boost.heap.d_ary_heap_hpp">Header &lt;boost/heap/d_ary_heap.hpp&gt;</a></span></dt>
  62 <dt><span class="section"><a href="heap/reference.html#header.boost.heap.fibonacci_heap_hpp">Header &lt;boost/heap/fibonacci_heap.hpp&gt;</a></span></dt>
  63 <dt><span class="section"><a href="heap/reference.html#header.boost.heap.heap_concepts_hpp">Header &lt;boost/heap/heap_concepts.hpp&gt;</a></span></dt>
  64 <dt><span class="section"><a href="heap/reference.html#header.boost.heap.heap_merge_hpp">Header &lt;boost/heap/heap_merge.hpp&gt;</a></span></dt>
  65 <dt><span class="section"><a href="heap/reference.html#header.boost.heap.pairing_heap_hpp">Header &lt;boost/heap/pairing_heap.hpp&gt;</a></span></dt>
  66 <dt><span class="section"><a href="heap/reference.html#header.boost.heap.policies_hpp">Header &lt;boost/heap/policies.hpp&gt;</a></span></dt>
  67 <dt><span class="section"><a href="heap/reference.html#header.boost.heap.priority_queue_hpp">Header &lt;boost/heap/priority_queue.hpp&gt;</a></span></dt>
  68 <dt><span class="section"><a href="heap/reference.html#header.boost.heap.skew_heap_hpp">Header &lt;boost/heap/skew_heap.hpp&gt;</a></span></dt>
  69 </dl></dd>
  70 <dt><span class="section"><a href="heap/acknowledgements.html">Acknowledgements</a></span></dt>
  71 </dl>
  72 </div>
  73 <div class="section">
  74 <div class="titlepage"><div><div><h2 class="title" style="clear: both">
  75 <a name="heap.introduction___motivation"></a><a class="link" href="heap.html#heap.introduction___motivation" title="Introduction &amp; Motivation">Introduction &amp; Motivation</a>
  76 </h2></div></div></div>
  77 <p>
  78       <code class="literal">boost.heap</code> is an implementation of priority queues. Priority
  79       queues are queue data structures, that order their elements by a priority.
  80       The STL provides a single template class <code class="literal">std::priority_queue</code>,
  81       which only provides a limited functionality. To overcome these limitations,
  82       <code class="literal">boost.heap</code> implements <a class="link" href="heap/data_structures.html" title="Data Structures">data
  83       structures</a> with more functionality and different performance characteristics.
  84       Especially, it deals with additional aspects:
  85     </p>
  86 <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
  87 <li class="listitem">
  88           <span class="bold"><strong>Mutability</strong></span>: The priority of heap elements
  89           can be modified.
  90         </li>
  91 <li class="listitem">
  92           <span class="bold"><strong>Iterators</strong></span>: Heaps provide iterators to
  93           iterate all elements.
  94         </li>
  95 <li class="listitem">
  96           <span class="bold"><strong>Mergable</strong></span>: While all heaps can be merged,
  97           some can be merged efficiently.
  98         </li>
  99 <li class="listitem">
 100           <span class="bold"><strong>Stability</strong></span>: Heaps can be configured to
 101           be stable sorted.
 102         </li>
 103 <li class="listitem">
 104           <span class="bold"><strong>Comparison</strong></span>: Heaps can be compared for
 105           equivalence.
 106         </li>
 107 </ul></div>
 108 </div>
 109 </div>
 110 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
 111 <td align="left"><p><small>Last revised: December 10, 2019 at 00:26:54 GMT</small></p></td>
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