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<div class="title">decision_engine_dfs.h</div> </div>
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<a href="decision__engine__dfs_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*****************************************************************************/</span><span class="comment"></span>
<a name="l00002"></a>00002 <span class="comment">/*!</span>
<a name="l00003"></a>00003 <span class="comment"> * \file decision_engine_dfs.h</span>
<a name="l00004"></a>00004 <span class="comment"> * </span>
<a name="l00005"></a>00005 <span class="comment"> * Author: Clark Barrett</span>
<a name="l00006"></a>00006 <span class="comment"> * </span>
<a name="l00007"></a>00007 <span class="comment"> * Created: Fri Jul 11 13:04:25 2003</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * <hr></span>
<a name="l00010"></a>00010 <span class="comment"> *</span>
<a name="l00011"></a>00011 <span class="comment"> * License to use, copy, modify, sell and/or distribute this software</span>
<a name="l00012"></a>00012 <span class="comment"> * and its documentation for any purpose is hereby granted without</span>
<a name="l00013"></a>00013 <span class="comment"> * royalty, subject to the terms and conditions defined in the \ref</span>
<a name="l00014"></a>00014 <span class="comment"> * LICENSE file provided with this distribution.</span>
<a name="l00015"></a>00015 <span class="comment"> * </span>
<a name="l00016"></a>00016 <span class="comment"> * <hr></span>
<a name="l00017"></a>00017 <span class="comment"> * </span>
<a name="l00018"></a>00018 <span class="comment"> */</span>
<a name="l00019"></a>00019 <span class="comment">/*****************************************************************************/</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#ifndef _cvc3__search__decision_engine_dfs_h_</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define _cvc3__search__decision_engine_dfs_h_</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="decision__engine_8h.html">decision_engine.h</a>"</span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="keyword">namespace </span>CVC3 {
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="comment">/*****************************************************************************/</span><span class="comment"></span>
<a name="l00029"></a>00029 <span class="comment">/*!</span>
<a name="l00030"></a>00030 <span class="comment"> *\anchor de_dfs</span>
<a name="l00031"></a>00031 <span class="comment"> *\class DecisionEngineDFS</span>
<a name="l00032"></a>00032 <span class="comment"> *\brief Decision Engine for use with the Search Engine</span>
<a name="l00033"></a>00033 <span class="comment"> *\ingroup DE</span>
<a name="l00034"></a>00034 <span class="comment"> *</span>
<a name="l00035"></a>00035 <span class="comment"> * Author: Clark Barrett</span>
<a name="l00036"></a>00036 <span class="comment"> *</span>
<a name="l00037"></a>00037 <span class="comment"> * Created: Fri Jul 11 16:34:22 2003</span>
<a name="l00038"></a>00038 <span class="comment"> *</span>
<a name="l00039"></a>00039 <span class="comment"> */</span>
<a name="l00040"></a>00040 <span class="comment">/*****************************************************************************/</span>
<a name="l00041"></a><a class="code" href="classCVC3_1_1DecisionEngineDFS.html">00041</a> <span class="keyword">class </span><a class="code" href="classCVC3_1_1DecisionEngineDFS.html" title="Decision Engine for use with the Search EngineAuthor: Clark Barrett.">DecisionEngineDFS</a> : <span class="keyword">public</span> <a class="code" href="classCVC3_1_1DecisionEngine.html">DecisionEngine</a> {
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="keyword">protected</span>:
<a name="l00044"></a>00044 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classCVC3_1_1DecisionEngineDFS.html#af7db0332174c8495ccf28d04def2ecd1">isBetter</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e2);
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="keyword">public</span>:<span class="comment"></span>
<a name="l00047"></a>00047 <span class="comment"> //! Constructor</span>
<a name="l00048"></a>00048 <span class="comment"></span> <a class="code" href="classCVC3_1_1DecisionEngineDFS.html#a5cd6174c6476f07e7cbb33fa3f805792" title="Constructor.">DecisionEngineDFS</a>(<a class="code" href="classCVC3_1_1TheoryCore.html" title="This theory handles the built-in logical connectives plus equality. It also handles the registration ...">TheoryCore</a>* core, <a class="code" href="classCVC3_1_1SearchImplBase.html" title="API to to a generic proof search engine (a.k.a. SAT solver)">SearchImplBase</a>* se);
<a name="l00049"></a><a class="code" href="classCVC3_1_1DecisionEngineDFS.html#a30a646d3e6c2a6caae0d543cb5c510d7">00049</a> <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1DecisionEngineDFS.html#a30a646d3e6c2a6caae0d543cb5c510d7">~DecisionEngineDFS</a>() { }
<a name="l00050"></a>00050 <span class="comment"></span>
<a name="l00051"></a>00051 <span class="comment"> /*! @brief Find the next splitter. \return Null Expr if no</span>
<a name="l00052"></a>00052 <span class="comment"> splitter is found. */</span>
<a name="l00053"></a>00053 <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="classCVC3_1_1DecisionEngineDFS.html#afbb4011e6c9724af1fda70a63687f4d7" title="Find the next splitter.">findSplitter</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e);
<a name="l00054"></a>00054 <span class="comment"></span>
<a name="l00055"></a>00055 <span class="comment"> //! Search should call this when it derives 'false'</span>
<a name="l00056"></a>00056 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classCVC3_1_1DecisionEngineDFS.html#a3ebbe142c86aa4d303e5de0610309d1c" title="Search should call this when it derives 'false'.">goalSatisfied</a>();
<a name="l00057"></a>00057
<a name="l00058"></a>00058 };
<a name="l00059"></a>00059
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="preprocessor">#endif</span>
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