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<h1>bab.cpp</h1><a href="bab_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */</span>

<a name="l00002"></a>00002 <span class="comment">/*</span>

<a name="l00003"></a>00003 <span class="comment"> * Main authors:</span>

<a name="l00004"></a>00004 <span class="comment"> * Christian Schulte &lt;schulte@gecode.org&gt;</span>

<a name="l00005"></a>00005 <span class="comment"> *</span>

<a name="l00006"></a>00006 <span class="comment"> * Copyright:</span>

<a name="l00007"></a>00007 <span class="comment"> * Christian Schulte, 2009</span>

<a name="l00008"></a>00008 <span class="comment"> *</span>

<a name="l00009"></a>00009 <span class="comment"> * Last modified:</span>

<a name="l00010"></a>00010 <span class="comment"> * $Date: 2013-07-11 12:30:18 +0200 (Thu, 11 Jul 2013) $ by $Author: schulte $</span>

<a name="l00011"></a>00011 <span class="comment"> * $Revision: 13840 $</span>

<a name="l00012"></a>00012 <span class="comment"> *</span>

<a name="l00013"></a>00013 <span class="comment"> * This file is part of Gecode, the generic constraint</span>

<a name="l00014"></a>00014 <span class="comment"> * development environment:</span>

<a name="l00015"></a>00015 <span class="comment"> * http://www.gecode.org</span>

<a name="l00016"></a>00016 <span class="comment"> *</span>

<a name="l00017"></a>00017 <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining</span>

<a name="l00018"></a>00018 <span class="comment"> * a copy of this software and associated documentation files (the</span>

<a name="l00019"></a>00019 <span class="comment"> * &quot;Software&quot;), to deal in the Software without restriction, including</span>

<a name="l00020"></a>00020 <span class="comment"> * without limitation the rights to use, copy, modify, merge, publish,</span>

<a name="l00021"></a>00021 <span class="comment"> * distribute, sublicense, and/or sell copies of the Software, and to</span>

<a name="l00022"></a>00022 <span class="comment"> * permit persons to whom the Software is furnished to do so, subject to</span>

<a name="l00023"></a>00023 <span class="comment"> * the following conditions:</span>

<a name="l00024"></a>00024 <span class="comment"> *</span>

<a name="l00025"></a>00025 <span class="comment"> * The above copyright notice and this permission notice shall be</span>

<a name="l00026"></a>00026 <span class="comment"> * included in all copies or substantial portions of the Software.</span>

<a name="l00027"></a>00027 <span class="comment"> *</span>

<a name="l00028"></a>00028 <span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND,</span>

<a name="l00029"></a>00029 <span class="comment"> * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF</span>

<a name="l00030"></a>00030 <span class="comment"> * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND</span>

<a name="l00031"></a>00031 <span class="comment"> * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE</span>

<a name="l00032"></a>00032 <span class="comment"> * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION</span>

<a name="l00033"></a>00033 <span class="comment"> * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION</span>

<a name="l00034"></a>00034 <span class="comment"> * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</span>

<a name="l00035"></a>00035 <span class="comment"> *</span>

<a name="l00036"></a>00036 <span class="comment"> */</span>

<a name="l00037"></a>00037

<a name="l00038"></a>00038 <span class="preprocessor">#include &lt;<a class="code" href="search_8hh.html">gecode/search.hh</a>&gt;</span>

<a name="l00039"></a>00039 <span class="preprocessor">#include &lt;<a class="code" href="sequential_2bab_8hh.html">gecode/search/sequential/bab.hh</a>&gt;</span>

<a name="l00040"></a>00040 <span class="preprocessor">#ifdef GECODE_HAS_THREADS</span>

<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor">#include &lt;<a class="code" href="parallel_2bab_8hh.html">gecode/search/parallel/bab.hh</a>&gt;</span>

<a name="l00042"></a>00042 <span class="preprocessor">#endif</span>

<a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor">#include &lt;<a class="code" href="search_2support_8hh.html">gecode/search/support.hh</a>&gt;</span>

<a name="l00044"></a>00044

<a name="l00045"></a>00045 <span class="keyword">namespace </span>Gecode { <span class="keyword">namespace </span>Search {

<a name="l00046"></a>00046

<a name="l00047"></a>00047 Engine*

<a name="l00048"></a>00048 <a class="code" href="namespaceGecode_1_1Search.html#a063d0641cbecdec474b6d9c12a6851f8" title="Create branch and bound engine.">bab</a>(Space* s, <span class="keyword">const</span> Options&amp; o) {

<a name="l00049"></a>00049 <span class="preprocessor">#ifdef GECODE_HAS_THREADS</span>

<a name="l00050"></a>00050 <span class="preprocessor"></span> Options to = o.expand();

<a name="l00051"></a>00051 <span class="keywordflow">if</span> (to.threads == 1.0)

<a name="l00052"></a>00052 <span class="keywordflow">return</span> <span class="keyword">new</span> WorkerToEngine&lt;Sequential::BAB&gt;(s,to);

<a name="l00053"></a>00053 <span class="keywordflow">else</span>

<a name="l00054"></a>00054 <span class="keywordflow">return</span> <span class="keyword">new</span> Parallel::BAB(s,to);

<a name="l00055"></a>00055 <span class="preprocessor">#else</span>

<a name="l00056"></a>00056 <span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="keyword">new</span> WorkerToEngine&lt;Sequential::BAB&gt;(s,o);

<a name="l00057"></a>00057 <span class="preprocessor">#endif</span>

<a name="l00058"></a>00058 <span class="preprocessor"></span> }

<a name="l00059"></a>00059

<a name="l00060"></a>00060 }}

<a name="l00061"></a>00061

<a name="l00062"></a>00062 <span class="comment">// STATISTICS: search-other</span>

</pre></div></div>

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