<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <title>CVC3: decision_engine_dfs.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">CVC3 </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.2 --> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a 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href="decision__engine__dfs_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*****************************************************************************/</span><span class="comment"></span></div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*!</span></div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * \file decision_engine_dfs.h</span></div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * </span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * Author: Clark Barrett</span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * </span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Created: Fri Jul 11 13:04:25 2003</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * <hr></span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * License to use, copy, modify, sell and/or distribute this software</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * and its documentation for any purpose is hereby granted without</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * royalty, subject to the terms and conditions defined in the \ref</span></div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * LICENSE file provided with this distribution.</span></div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * </span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * <hr></span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * </span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> */</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">/*****************************************************************************/</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#ifndef _cvc3__search__decision_engine_dfs_h_</span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"></span><span class="preprocessor">#define _cvc3__search__decision_engine_dfs_h_</span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="decision__engine_8h.html">decision_engine.h</a>"</span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span>CVC3 {</div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">/*****************************************************************************/</span><span class="comment"></span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">/*!</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> *\anchor de_dfs</span></div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> *\class DecisionEngineDFS</span></div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> *\brief Decision Engine for use with the Search Engine</span></div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> *\ingroup DE</span></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> *</span></div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * Author: Clark Barrett</span></div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> *</span></div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> * Created: Fri Jul 11 16:34:22 2003</span></div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> *</span></div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> */</span></div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">/*****************************************************************************/</span></div> <div class="line"><a name="l00041"></a><span class="lineno"><a class="code" href="classCVC3_1_1DecisionEngineDFS.html"> 41</a></span> <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> {</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">protected</span>:</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <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);</div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">public</span>:<span class="comment"></span></div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> //! Constructor</span></div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <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);</div> <div class="line"><a name="l00049"></a><span class="lineno"><a class="code" href="classCVC3_1_1DecisionEngineDFS.html#a30a646d3e6c2a6caae0d543cb5c510d7"> 49</a></span>  <span class="keyword">virtual</span> <a class="code" href="classCVC3_1_1DecisionEngineDFS.html#a30a646d3e6c2a6caae0d543cb5c510d7">~DecisionEngineDFS</a>() { }</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"></span></div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> /*! @brief Find the next splitter. \return Null Expr if no</span></div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> splitter is found. */</span></div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <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);</div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"></span></div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> //! Search should call this when it derives 'false'</span></div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <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>();</div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> };</div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> }</div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#endif</span></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated on Thu May 16 2013 13:25:13 for CVC3 by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.2 </small></address> </body> </html>