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<a href="minisat__types_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 minisat_types.h</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *\brief MiniSat internal types</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Author: Alexander Fuchs</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * Created: Fri Sep 08 11:04:00 2006</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * <hr></span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * License to use, copy, modify, sell and/or distribute this software</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * and its documentation for any purpose is hereby granted without</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * royalty, subject to the terms and conditions defined in the \ref</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * LICENSE file provided with this distribution.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * </span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * <hr></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="comment">/***********************************************************************************[SolverTypes.h]</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">MiniSat -- Copyright (c) 2003-2005, Niklas Een, Niklas Sorensson</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">Permission is hereby granted, free of charge, to any person obtaining a copy of this software and</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">associated documentation files (the "Software"), to deal in the Software without restriction,</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">including without limitation the rights to use, copy, modify, merge, publish, distribute,</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">furnished to do so, subject to the following conditions:</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">The above copyright notice and this permission notice shall be included in all copies or</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">substantial portions of the Software.</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</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> </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#ifndef _cvc3__minisat__types_h_</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor"></span><span class="preprocessor">#define _cvc3__minisat__types_h_</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">//=================================================================================================</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">// Variables, literals, clause IDs:</span></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="preprocessor">#include "<a class="code" href="minisat__global_8h.html" title="MiniSat global functions.">minisat_global.h</a>"</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include "<a class="code" href="theorem_8h.html">theorem.h</a>"</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include <vector></span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">namespace </span>MiniSat {</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// NOTE! Variables are just integers. No abstraction here. They should be chosen from 0..N,</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="comment">// so that they can be used as array indices.</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="comment">// CVC additionally requires that N >= 2.</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="code" href="namespaceMiniSat.html#a0d9722420b2afd308dceda22c1b05a5e"> 55</a></span>  <span class="keyword">typedef</span> <span class="keywordtype">int</span> <a class="code" href="namespaceMiniSat.html#a0d9722420b2afd308dceda22c1b05a5e">Var</a>;</div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="code" href="namespaceMiniSat.html#af0b81724f9c7f24ed9a52a4627b5db86"> 56</a></span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="namespaceMiniSat.html#af0b81724f9c7f24ed9a52a4627b5db86">var_Undef</a> = -1;</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"><a class="code" href="classMiniSat_1_1Lit.html"> 59</a></span>  <span class="keyword">class </span><a class="code" href="classMiniSat_1_1Lit.html">Lit</a> {</div>
<div class="line"><a name="l00060"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Lit.html#af431a54f650ab2c8abef528bda334ee3"> 60</a></span>  <span class="keywordtype">int</span> <a class="code" href="classMiniSat_1_1Lit.html#af431a54f650ab2c8abef528bda334ee3">x</a>;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Lit.html#a1f04a12e829207023bbe8785c87d6670"> 62</a></span>  <span class="keyword">explicit</span> <a class="code" href="classMiniSat_1_1Lit.html#a1f04a12e829207023bbe8785c87d6670">Lit</a>(<span class="keywordtype">int</span> <a class="code" href="classMiniSat_1_1Lit.html#a91d2d44275fe1e43cee4ce673b2ab41d">index</a>) : <a class="code" href="classMiniSat_1_1Lit.html#af431a54f650ab2c8abef528bda334ee3">x</a>(index) {} <span class="comment">// (lit_Undef)</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00064"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Lit.html#a8772afc3035d9def11fc3df47ebd769e"> 64</a></span>  <a class="code" href="classMiniSat_1_1Lit.html#a8772afc3035d9def11fc3df47ebd769e">Lit</a>() : <a class="code" href="classMiniSat_1_1Lit.html#af431a54f650ab2c8abef528bda334ee3">x</a>(2*<a class="code" href="namespaceMiniSat.html#af0b81724f9c7f24ed9a52a4627b5db86">var_Undef</a>) {} <span class="comment">// (lit_Undef)</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Lit.html#a22de5650c6e5038bbcc3ad5325fa8541"> 65</a></span>  <span class="keyword">explicit</span> <a class="code" href="classMiniSat_1_1Lit.html#a22de5650c6e5038bbcc3ad5325fa8541">Lit</a>(<a class="code" href="namespaceMiniSat.html#a0d9722420b2afd308dceda22c1b05a5e">Var</a> <a class="code" href="classMiniSat_1_1Lit.html#a952944c0a85fca7f8db8b532a72b3fda">var</a>, <span class="keywordtype">bool</span> sgn) : <a class="code" href="classMiniSat_1_1Lit.html#af431a54f650ab2c8abef528bda334ee3">x</a>((var+var) + (int)sgn) {}</div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Lit.html#aef59a15ad1079328209801b8fbdb9e6e"> 66</a></span>  <a class="code" href="classMiniSat_1_1Lit.html">Lit</a> <a class="code" href="classMiniSat_1_1Lit.html#aef59a15ad1079328209801b8fbdb9e6e">operator~ </a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classMiniSat_1_1Lit.html#a8772afc3035d9def11fc3df47ebd769e">Lit</a>(<a class="code" href="classMiniSat_1_1Lit.html#af431a54f650ab2c8abef528bda334ee3">x</a> ^ 1); };</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Lit.html#a75dadacca265ff92462528f29f1fcfd8"> 68</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classMiniSat_1_1Lit.html#a75dadacca265ff92462528f29f1fcfd8">sign</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classMiniSat_1_1Lit.html#af431a54f650ab2c8abef528bda334ee3">x</a> & 1; };</div>
<div class="line"><a name="l00069"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Lit.html#a952944c0a85fca7f8db8b532a72b3fda"> 69</a></span>  <span class="keywordtype">int</span> <a class="code" href="classMiniSat_1_1Lit.html#a952944c0a85fca7f8db8b532a72b3fda">var</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classMiniSat_1_1Lit.html#af431a54f650ab2c8abef528bda334ee3">x</a> >> 1; };</div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Lit.html#a91d2d44275fe1e43cee4ce673b2ab41d"> 70</a></span>  <span class="keywordtype">int</span> <a class="code" href="classMiniSat_1_1Lit.html#a91d2d44275fe1e43cee4ce673b2ab41d">index</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classMiniSat_1_1Lit.html#af431a54f650ab2c8abef528bda334ee3">x</a>; };</div>
<div class="line"><a name="l00071"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Lit.html#ae35a3d042f40ac8e7835f11bbafc8e4c"> 71</a></span>  <span class="keyword">static</span> <a class="code" href="classMiniSat_1_1Lit.html">Lit</a> <a class="code" href="classMiniSat_1_1Lit.html#ae35a3d042f40ac8e7835f11bbafc8e4c">toLit</a> (<span class="keywordtype">int</span> i) { <span class="keywordflow">return</span> <a class="code" href="classMiniSat_1_1Lit.html#a8772afc3035d9def11fc3df47ebd769e">Lit</a>(i); };</div>
<div class="line"><a name="l00072"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Lit.html#aefb3402fa70808367aea2c399e35664b"> 72</a></span>  <a class="code" href="classMiniSat_1_1Lit.html">Lit</a> <a class="code" href="classMiniSat_1_1Lit.html#aefb3402fa70808367aea2c399e35664b">unsign</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classMiniSat_1_1Lit.html#a8772afc3035d9def11fc3df47ebd769e">Lit</a>(<a class="code" href="classMiniSat_1_1Lit.html#af431a54f650ab2c8abef528bda334ee3">x</a> & ~1); };</div>
<div class="line"><a name="l00073"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Lit.html#afbc6e819580178b98db0e8d2a0243797"> 73</a></span>  <span class="keyword">static</span> <a class="code" href="classMiniSat_1_1Lit.html">Lit</a> <a class="code" href="classMiniSat_1_1Lit.html#afbc6e819580178b98db0e8d2a0243797">id</a> (<a class="code" href="classMiniSat_1_1Lit.html">Lit</a> p, <span class="keywordtype">bool</span> sgn) { <span class="keywordflow">return</span> <a class="code" href="classMiniSat_1_1Lit.html#a8772afc3035d9def11fc3df47ebd769e">Lit</a>(p.<a class="code" href="classMiniSat_1_1Lit.html#af431a54f650ab2c8abef528bda334ee3">x</a> ^ (<span class="keywordtype">int</span>)sgn); };</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div>
<div class="line"><a name="l00075"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Lit.html#a2ee7a05a9160b4e65cb5217bdafc68d4"> 75</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classMiniSat_1_1Lit.html#a2ee7a05a9160b4e65cb5217bdafc68d4">operator == </a>(<span class="keyword">const</span> <a class="code" href="classMiniSat_1_1Lit.html">Lit</a> q)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classMiniSat_1_1Lit.html#a91d2d44275fe1e43cee4ce673b2ab41d">index</a>() == q.<a class="code" href="classMiniSat_1_1Lit.html#a91d2d44275fe1e43cee4ce673b2ab41d">index</a>(); };</div>
<div class="line"><a name="l00076"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Lit.html#a8a676be3a5953174602403004e2f1dab"> 76</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classMiniSat_1_1Lit.html#a8a676be3a5953174602403004e2f1dab">operator != </a>(<span class="keyword">const</span> <a class="code" href="classMiniSat_1_1Lit.html">Lit</a> q)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> !(<a class="code" href="classMiniSat_1_1Lit.html#a2ee7a05a9160b4e65cb5217bdafc68d4">operator==</a>(q)); };</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// '<' guarantees that p, ~p are adjacent in the ordering.;</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Lit.html#ab15ae423431871da602b6fa52b66fe4e"> 78</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classMiniSat_1_1Lit.html#ab15ae423431871da602b6fa52b66fe4e">operator < </a>(<span class="keyword">const</span> <a class="code" href="classMiniSat_1_1Lit.html">Lit</a> q)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classMiniSat_1_1Lit.html#a91d2d44275fe1e43cee4ce673b2ab41d">index</a>() < q.<a class="code" href="classMiniSat_1_1Lit.html#a91d2d44275fe1e43cee4ce673b2ab41d">index</a>(); }</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a name="l00080"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Lit.html#ad7ececc7d93a8cc6ce4d200d36652c18"> 80</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classMiniSat_1_1Lit.html#ad7ececc7d93a8cc6ce4d200d36652c18">hash</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>)<a class="code" href="classMiniSat_1_1Lit.html#af431a54f650ab2c8abef528bda334ee3">x</a>; }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a name="l00082"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Lit.html#a13ff0ff47faf39d618cdcc075867e6f3"> 82</a></span>  std::string <a class="code" href="classMiniSat_1_1Lit.html#a13ff0ff47faf39d618cdcc075867e6f3">toString</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  std::ostringstream buffer;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (<a class="code" href="classMiniSat_1_1Lit.html#a75dadacca265ff92462528f29f1fcfd8">sign</a>())</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  buffer << <span class="stringliteral">"+"</span>;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  buffer << <span class="stringliteral">"-"</span>;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  buffer << <a class="code" href="classMiniSat_1_1Lit.html#a952944c0a85fca7f8db8b532a72b3fda">var</a>();</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">return</span> buffer.str();</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  }</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a name="l00092"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Lit.html#afaf77d293dd0cb506d6d0e80818bad2c"> 92</a></span>  <span class="keywordtype">int</span> <a class="code" href="classMiniSat_1_1Lit.html#afaf77d293dd0cb506d6d0e80818bad2c">toDimacs</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classMiniSat_1_1Lit.html#a75dadacca265ff92462528f29f1fcfd8">sign</a>() ? -<a class="code" href="classMiniSat_1_1Lit.html#a952944c0a85fca7f8db8b532a72b3fda">var</a>() - 1 : <a class="code" href="classMiniSat_1_1Lit.html#a952944c0a85fca7f8db8b532a72b3fda">var</a>() + 1; }</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  };</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">const</span> Lit <a class="code" href="namespaceMiniSat.html#a120ea2f17b58215d657cd7b005edcd85">lit_Undef</a>(<a class="code" href="namespaceMiniSat.html#af0b81724f9c7f24ed9a52a4627b5db86">var_Undef</a>, <span class="keyword">false</span>); <span class="comment">// }- Useful special constants.</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">const</span> Lit <a class="code" href="namespaceMiniSat.html#ad1ccf328f5909693679e1c703981b434">lit_Error</a>(<a class="code" href="namespaceMiniSat.html#af0b81724f9c7f24ed9a52a4627b5db86">var_Undef</a>, <span class="keyword">true</span> ); <span class="comment">// }</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// Clause -- a simple class for representing a clause:</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html"> 101</a></span>  <span class="keyword">class </span><a class="code" href="classMiniSat_1_1Clause.html">Clause</a> {</div>
<div class="line"><a name="l00102"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#ab0c5a470156b89d74440ed5916b32215"> 102</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classMiniSat_1_1Clause.html#ab0c5a470156b89d74440ed5916b32215">d_size_learnt</a>;</div>
<div class="line"><a name="l00103"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#a7caa3635ad876ddf7bff74216b7d10e9"> 103</a></span>  <span class="keywordtype">int</span> <a class="code" href="classMiniSat_1_1Clause.html#a7caa3635ad876ddf7bff74216b7d10e9">d_id</a>;</div>
<div class="line"><a name="l00104"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#a8c7b3026599046141a6fac31d2fdf43c"> 104</a></span>  <span class="keywordtype">int</span> <a class="code" href="classMiniSat_1_1Clause.html#a8c7b3026599046141a6fac31d2fdf43c">d_pushID</a>;</div>
<div class="line"><a name="l00105"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#a8a7dc93a0a55e444bedfe666ba0bc1da"> 105</a></span>  <span class="keywordtype">float</span> <a class="code" href="classMiniSat_1_1Clause.html#a8a7dc93a0a55e444bedfe666ba0bc1da">d_activity</a>;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// The derivation of this SAT clause</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#a4f0f4d77872e7b555adfc9129cd11f1d"> 107</a></span>  <a class="code" href="classCVC3_1_1Theorem.html">CVC3::Theorem</a> <a class="code" href="classMiniSat_1_1Clause.html#a4f0f4d77872e7b555adfc9129cd11f1d">d_theorem</a>;</div>
<div class="line"><a name="l00108"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#a2a7bcd8e8e4403b4ac19d0eb6da3e280"> 108</a></span>  <a class="code" href="classMiniSat_1_1Lit.html">Lit</a> <a class="code" href="classMiniSat_1_1Clause.html#a2a7bcd8e8e4403b4ac19d0eb6da3e280">d_data</a>[1];</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a name="l00110"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#aa77ea41ed2ebf7543717f8ef0477a32a"> 110</a></span>  <span class="keyword">static</span> <a class="code" href="classMiniSat_1_1Clause.html">Clause</a>* <a class="code" href="classMiniSat_1_1Clause.html#aa77ea41ed2ebf7543717f8ef0477a32a">s_decision</a>;</div>
<div class="line"><a name="l00111"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#a24bf5738154197047ea71d652b00de13"> 111</a></span>  <span class="keyword">static</span> <a class="code" href="classMiniSat_1_1Clause.html">Clause</a>* <a class="code" href="classMiniSat_1_1Clause.html#a24bf5738154197047ea71d652b00de13">s_theoryImplication</a>;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// NOTE: This constructor cannot be used directly,</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// it doesn't allocate enough memory for d_data[].</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// using the hand-made allocator allows to allocate the data[]</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// like a static array within clause instead of as a pointer to the array.</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">// this shows significant performance improvements</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#ad8aa1611aeebab0d92f6f4e89f6b34d7"> 119</a></span>  <a class="code" href="classMiniSat_1_1Clause.html#ad8aa1611aeebab0d92f6f4e89f6b34d7">Clause</a>(<span class="keywordtype">bool</span> <a class="code" href="classMiniSat_1_1Clause.html#ae162f0e3b02b53dd127573885d3c198b">learnt</a>, <span class="keyword">const</span> std::vector<Lit>& ps, <a class="code" href="classCVC3_1_1Theorem.html">CVC3::Theorem</a> theorem,</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">int</span> <a class="code" href="classMiniSat_1_1Clause.html#ad5cd6daece979cb23f3c52ee0df63a0b">pushID</a>) {</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <a class="code" href="classMiniSat_1_1Clause.html#ab0c5a470156b89d74440ed5916b32215">d_size_learnt</a> = (ps.size() << 1) | (<span class="keywordtype">int</span>)<a class="code" href="classMiniSat_1_1Clause.html#ae162f0e3b02b53dd127573885d3c198b">learnt</a>;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="code" href="classMiniSat_1_1Clause.html#a7caa3635ad876ddf7bff74216b7d10e9">d_id</a> = <a class="code" href="classMiniSat_1_1Clause.html#aeb8881da1f982f5bc58bac190ab2f2a4">id</a>;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <a class="code" href="classMiniSat_1_1Clause.html#a8c7b3026599046141a6fac31d2fdf43c">d_pushID</a> = <a class="code" href="classMiniSat_1_1Clause.html#ad5cd6daece979cb23f3c52ee0df63a0b">pushID</a>;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <a class="code" href="classMiniSat_1_1Clause.html#a8a7dc93a0a55e444bedfe666ba0bc1da">d_activity</a> = 0;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="classMiniSat_1_1Clause.html#a4f0f4d77872e7b555adfc9129cd11f1d">d_theorem</a> = theorem;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">for</span> (<a class="code" href="namespaceHash.html#a34e07ea2356b048f9871d1cfdf478da6">std::vector<Lit>::size_type</a> i = 0; i < ps.size(); i++) <a class="code" href="classMiniSat_1_1Clause.html#a2a7bcd8e8e4403b4ac19d0eb6da3e280">d_data</a>[i] = ps[i];</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// -- use this function instead:</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">friend</span> <a class="code" href="classMiniSat_1_1Clause.html">Clause</a>* <a class="code" href="classMiniSat_1_1Clause.html#aa93c30f648ac99e2fe7a219eb3c50bbc">Clause_new</a>(<span class="keyword">const</span> std::vector<Lit>& ps, <a class="code" href="classCVC3_1_1Theorem.html">CVC3::Theorem</a> theorem, <span class="keywordtype">int</span> <span class="keywordtype">id</span>);</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">friend</span> <a class="code" href="classMiniSat_1_1Clause.html">Clause</a>* <a class="code" href="classMiniSat_1_1Clause.html#a6a8429bef4a84b187a0f86d62c133f71">Lemma_new</a>(<span class="keyword">const</span> std::vector<Lit>& ps, <span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">int</span> <a class="code" href="classMiniSat_1_1Clause.html#ad5cd6daece979cb23f3c52ee0df63a0b">pushID</a>);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div>
<div class="line"><a name="l00133"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#adf5aa50a639b4b5bb71e5ea76d45b8e2"> 133</a></span>  <span class="keywordtype">int</span> <a class="code" href="classMiniSat_1_1Clause.html#adf5aa50a639b4b5bb71e5ea76d45b8e2">size</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classMiniSat_1_1Clause.html#ab0c5a470156b89d74440ed5916b32215">d_size_learnt</a> >> 1; }</div>
<div class="line"><a name="l00134"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#ae162f0e3b02b53dd127573885d3c198b"> 134</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classMiniSat_1_1Clause.html#ae162f0e3b02b53dd127573885d3c198b">learnt</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classMiniSat_1_1Clause.html#ab0c5a470156b89d74440ed5916b32215">d_size_learnt</a> & 1; }</div>
<div class="line"><a name="l00135"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#af5798e0f986ab4ba67653365cd55bc7b"> 135</a></span>  <a class="code" href="classMiniSat_1_1Lit.html">Lit</a> <a class="code" href="classMiniSat_1_1Clause.html#af5798e0f986ab4ba67653365cd55bc7b">operator [] </a>(<span class="keywordtype">int</span> i)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classMiniSat_1_1Clause.html#a2a7bcd8e8e4403b4ac19d0eb6da3e280">d_data</a>[i]; }</div>
<div class="line"><a name="l00136"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#aba647c28452a28a0c19ebbcfe45ef469"> 136</a></span>  <a class="code" href="classMiniSat_1_1Lit.html">Lit</a>& <a class="code" href="classMiniSat_1_1Clause.html#af5798e0f986ab4ba67653365cd55bc7b">operator [] </a>(<span class="keywordtype">int</span> i) { <span class="keywordflow">return</span> <a class="code" href="classMiniSat_1_1Clause.html#a2a7bcd8e8e4403b4ac19d0eb6da3e280">d_data</a>[i]; }</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// intended to be unique id per clause, > 0, or clauseIDNull</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#aeb8881da1f982f5bc58bac190ab2f2a4"> 138</a></span>  <span class="keywordtype">int</span> <a class="code" href="classMiniSat_1_1Clause.html#aeb8881da1f982f5bc58bac190ab2f2a4">id</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classMiniSat_1_1Clause.html#a7caa3635ad876ddf7bff74216b7d10e9">d_id</a>; }</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  </div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// used with Solver::push/pop:</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="comment">// this is the highest id of all clauses used in the regression /</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// resolution / creation of this lemma</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#ad5cd6daece979cb23f3c52ee0df63a0b"> 143</a></span>  <span class="keywordtype">int</span> <a class="code" href="classMiniSat_1_1Clause.html#ad5cd6daece979cb23f3c52ee0df63a0b">pushID</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classMiniSat_1_1Clause.html#a8c7b3026599046141a6fac31d2fdf43c">d_pushID</a>; }</div>
<div class="line"><a name="l00144"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#af64021472c748c6adbfb88238cae5a9d"> 144</a></span>  <span class="keywordtype">float</span> <a class="code" href="classMiniSat_1_1Clause.html#af64021472c748c6adbfb88238cae5a9d">activity</a> ()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<a class="code" href="classMiniSat_1_1Clause.html#ae162f0e3b02b53dd127573885d3c198b">learnt</a>(), <span class="stringliteral">"MiniSat::Types:activity: not a lemma"</span>);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">return</span> <a class="code" href="classMiniSat_1_1Clause.html#a8a7dc93a0a55e444bedfe666ba0bc1da">d_activity</a>;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div>
<div class="line"><a name="l00148"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#a013f54f33ca6995dea2c116725d34258"> 148</a></span>  <span class="keywordtype">void</span> <a class="code" href="classMiniSat_1_1Clause.html#a013f54f33ca6995dea2c116725d34258">setActivity</a> (<span class="keywordtype">float</span> <a class="code" href="classMiniSat_1_1Clause.html#af64021472c748c6adbfb88238cae5a9d">activity</a>) {</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<a class="code" href="classMiniSat_1_1Clause.html#ae162f0e3b02b53dd127573885d3c198b">learnt</a>(), <span class="stringliteral">"MiniSat::Types:setActivity: not a lemma"</span>);</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="classMiniSat_1_1Clause.html#a8a7dc93a0a55e444bedfe666ba0bc1da">d_activity</a> = <a class="code" href="classMiniSat_1_1Clause.html#af64021472c748c6adbfb88238cae5a9d">activity</a>;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  }</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordtype">void</span> <a class="code" href="classMiniSat_1_1Clause.html#acc411f48a92972844738dd3378be0dc8">toLit</a> (std::vector<Lit>& literals) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00153"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#a16f3db82b77ca7e28752602bf1dc8177"> 153</a></span>  <a class="code" href="classCVC3_1_1Theorem.html">CVC3::Theorem</a> <a class="code" href="classMiniSat_1_1Clause.html#a16f3db82b77ca7e28752602bf1dc8177">getTheorem</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classMiniSat_1_1Clause.html#a4f0f4d77872e7b555adfc9129cd11f1d">d_theorem</a>; };</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="line"><a name="l00155"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#a78f2bf52432e433c46522bbb21ae4593"> 155</a></span>  <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classMiniSat_1_1Clause.html#a78f2bf52432e433c46522bbb21ae4593">ClauseIDNull</a>() { <span class="keywordflow">return</span> 0; }</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// special Clause, used to mark that an implication is a decision, id = -1.</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keyword">static</span> <a class="code" href="classMiniSat_1_1Clause.html">Clause</a>* <a class="code" href="classMiniSat_1_1Clause.html#a9a00e9c7831cc291c83d54bf4188e830">Decision</a>();</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="comment">// special Clause, used to mark that an implication is a theory implication</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="comment">// and that the explanation has not been retrieved yet, id = -2.</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">static</span> <a class="code" href="classMiniSat_1_1Clause.html">Clause</a>* <a class="code" href="classMiniSat_1_1Clause.html#a4cfd439574f68c6138f4814015a0392b">TheoryImplication</a>();</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div>
<div class="line"><a name="l00163"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#a8c3dce1547e9734868eef94f91f978e1"> 163</a></span>  std::string <a class="code" href="classMiniSat_1_1Clause.html#a8c3dce1547e9734868eef94f91f978e1">toString</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">if</span> (<a class="code" href="classMiniSat_1_1Clause.html#adf5aa50a639b4b5bb71e5ea76d45b8e2">size</a>() == 0) <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  std::ostringstream buffer;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  buffer << <a class="code" href="classMiniSat_1_1Clause.html#a2a7bcd8e8e4403b4ac19d0eb6da3e280">d_data</a>[0].<a class="code" href="classMiniSat_1_1Lit.html#a13ff0ff47faf39d618cdcc075867e6f3">toString</a>();</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 1; j < <a class="code" href="classMiniSat_1_1Clause.html#adf5aa50a639b4b5bb71e5ea76d45b8e2">size</a>(); ++j) {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  buffer << <span class="stringliteral">" "</span> << <a class="code" href="classMiniSat_1_1Clause.html#a2a7bcd8e8e4403b4ac19d0eb6da3e280">d_data</a>[j].<a class="code" href="classMiniSat_1_1Lit.html#a13ff0ff47faf39d618cdcc075867e6f3">toString</a>();</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  }</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">return</span> buffer.str();</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  }</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div>
<div class="line"><a name="l00174"></a><span class="lineno"><a class="code" href="classMiniSat_1_1Clause.html#ae5b2c31e3af772a806ceb2ad00a88528"> 174</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classMiniSat_1_1Clause.html#ae5b2c31e3af772a806ceb2ad00a88528">contains</a>(<a class="code" href="classMiniSat_1_1Lit.html">Lit</a> l) {</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="classMiniSat_1_1Clause.html#adf5aa50a639b4b5bb71e5ea76d45b8e2">size</a>(); ++i) {</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">if</span> (<a class="code" href="classMiniSat_1_1Clause.html#a2a7bcd8e8e4403b4ac19d0eb6da3e280">d_data</a>[i] == l) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  };</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  Clause* <a class="code" href="namespaceMiniSat.html#a9a3ff2cc55978ca3a973861cad2814e2">Clause_new</a>(<span class="keyword">const</span> std::vector<Lit>& ps, <a class="code" href="classCVC3_1_1Theorem.html">CVC3::Theorem</a> theorem, <span class="keywordtype">int</span> <span class="keywordtype">id</span>);</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  Clause* <a class="code" href="namespaceMiniSat.html#a2659fd436dc00aebee015ce18ae2c89a">Lemma_new</a>(<span class="keyword">const</span> std::vector<Lit>& ps, <span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">int</span> pushID);</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> }</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment">//=================================================================================================</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="preprocessor">#endif</span></div>
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