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<a href="cnf_8cpp.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 cnf.cpp</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *\brief Implementation of classes used for generic CNF formulas</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: Clark Barrett</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: Mon Dec 12 22:16:11 2005</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> </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="cnf_8h.html" title="Basic classes for reasoning about formulas in CNF.">cnf.h</a>"</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">using namespace </span>std;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">using namespace </span>CVC3;</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">using namespace </span>SAT;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a name="l00030"></a><span class="lineno"><a class="code" href="classSAT_1_1Clause.html#a88bfd90868e75a24feffc7f428e30369"> 30</a></span> <span class="keywordtype">unsigned</span> <a class="code" href="classSAT_1_1Clause.html#a88bfd90868e75a24feffc7f428e30369">SAT::Clause::getMaxVar</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordtype">unsigned</span> <a class="code" href="namespaceCVC3.html#a308233b4ca114e33cfa278d45f8d09ea">max</a> = 0;</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <a class="code" href="classSAT_1_1Clause.html#af739bca890fe8219a7ebda3beefb0474">const_iterator</a> i, iend;</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordflow">for</span> (i = begin(), iend = end(); i != iend; ++i) {</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(!(*i).isNull(), <span class="stringliteral">"Null literal found in clause"</span>);</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">if</span> (<span class="keywordtype">unsigned</span>((*i).getVar()) > max) max = unsigned((*i).getVar());</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  }</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceCVC3.html#a308233b4ca114e33cfa278d45f8d09ea">max</a>;</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> </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="code" href="classSAT_1_1Clause.html#ad906b9b541550cffbf95b6ed3c68e6d4"> 42</a></span> <span class="keywordtype">void</span> <a class="code" href="classSAT_1_1Clause.html#ad906b9b541550cffbf95b6ed3c68e6d4">SAT::Clause::print</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">if</span> (isSatisfied()) cout << <span class="stringliteral">"*"</span>;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <a class="code" href="classSAT_1_1Clause.html#af739bca890fe8219a7ebda3beefb0474">const_iterator</a> i, iend;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">for</span> (i = begin(), iend = end(); i != iend; ++i) {</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">if</span> ((*i).isNull()) cout << <span class="stringliteral">"NULL"</span>;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((*i).isFalse()) cout << <span class="stringliteral">"F"</span>;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((*i).isTrue()) cout << <span class="stringliteral">"T"</span>;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">if</span> (!(*i).isPositive()) cout << <span class="stringliteral">"-"</span>;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  cout << (*i).getVar();</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  cout << <span class="stringliteral">" "</span>;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  cout << <a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</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"><a class="code" href="classSAT_1_1CNF__Formula.html#a9f9af9ad14a66890d4dbb001aa070dc3"> 60</a></span> <span class="keywordtype">void</span> CNF_Formula::copy(<span class="keyword">const</span> <a class="code" href="classSAT_1_1CNF__Formula.html">CNF_Formula</a>& cnf)</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>  setNumVars(0);</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="classSAT_1_1Clause.html">Clause</a>* c = d_current;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// Don't use iterators in case cnf == *this</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">unsigned</span> i, iend;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="classSAT_1_1Clause.html#af739bca890fe8219a7ebda3beefb0474">Clause::const_iterator</a> j, jend;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">for</span> (i = 0, iend = cnf.<a class="code" href="classSAT_1_1CNF__Formula.html#a78d99de58d45109256158d55e65bb96f">numClauses</a>(); i != iend; ++i) {</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  newClause();</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">for</span> (j = cnf[i].begin(), jend = cnf[i].end(); j != jend; ++j) {</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  addLiteral(*j);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classSAT_1_1Clause.html">Clause</a> oldClause = cnf[i];</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// CVC3::Theorem clauseThm = oldClause.getClauseTheorem();</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="classCVC3_1_1Theorem.html">CVC3::Theorem</a> clauseThm = cnf[i].getClauseTheorem();</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  getCurrentClause().setClauseTheorem(clauseThm);<span class="comment">//by yeting</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">if</span> (cnf[i].isUnit()) registerUnit();</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">if</span> (&(cnf[i]) == cnf.<a class="code" href="classSAT_1_1CNF__Formula.html#ac638646a5ac87ff246e3d1d7278463f0">d_current</a>) c = d_current;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  d_current = c;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> }</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a name="l00085"></a><span class="lineno"><a class="code" href="classSAT_1_1CNF__Formula.html#a7d85ca3c21713ab64142ecda50bf8476"> 85</a></span> <span class="keywordtype">void</span> CNF_Formula::print()<span class="keyword"> const</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="classSAT_1_1CNF__Formula.html#ac247d01a4cc1e5aab84294cb4c00ddbf">const_iterator</a> i, iend;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">for</span> (i = begin(), iend = end(); i != iend; ++i) {</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  (*i).<a class="code" href="classSAT_1_1Clause.html#ad906b9b541550cffbf95b6ed3c68e6d4">print</a>();</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"> 92</span> </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="code" href="classSAT_1_1CNF__Formula.html#a77b5e97b49bc46d0eb7928c29a341a98"> 94</a></span> <span class="keyword">const</span> <a class="code" href="classSAT_1_1CNF__Formula.html">CNF_Formula</a>& CNF_Formula::operator+=(<span class="keyword">const</span> <a class="code" href="classSAT_1_1CNF__Formula.html">CNF_Formula</a>& cnf)</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="classSAT_1_1Clause.html">Clause</a>* c = d_current;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">// Don't use iterators in case cnf == *this</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">unsigned</span> i, iend;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <a class="code" href="classSAT_1_1Clause.html#af739bca890fe8219a7ebda3beefb0474">Clause::const_iterator</a> j, jend;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">for</span> (i = 0, iend = cnf.<a class="code" href="classSAT_1_1CNF__Formula.html#a78d99de58d45109256158d55e65bb96f">numClauses</a>(); i != iend; ++i) {</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  newClause();</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">for</span> (j = cnf[i].begin(), jend = cnf[i].end(); j != jend; ++j) {</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  addLiteral(*j);</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <a class="code" href="classSAT_1_1Clause.html">Clause</a> oldClause = cnf[i];</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="classCVC3_1_1Theorem.html">CVC3::Theorem</a> clauseThm = oldClause.<a class="code" href="classSAT_1_1Clause.html#aa4d692df8aaef4ea4c1c45af006c1301">getClauseTheorem</a>();</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  getCurrentClause().setClauseTheorem(clauseThm);<span class="comment">//by yeting</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">if</span> (cnf[i].isUnit()) registerUnit();</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  d_current = c;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> }</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div>
<div class="line"><a name="l00117"></a><span class="lineno"><a class="code" href="classSAT_1_1CNF__Formula.html#a357e48262bab170e434d52e4e2fa2a8d"> 117</a></span> <span class="keyword">const</span> <a class="code" href="classSAT_1_1CNF__Formula.html">CNF_Formula</a>& CNF_Formula::operator+=(<span class="keyword">const</span> <a class="code" href="classSAT_1_1Clause.html">Clause</a>& c)</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> {</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="classSAT_1_1Clause.html">Clause</a>* cur = d_current;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  newClause();</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <a class="code" href="classSAT_1_1Clause.html#af739bca890fe8219a7ebda3beefb0474">Clause::const_iterator</a> j, jend;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">for</span> (j=c.<a class="code" href="classSAT_1_1Clause.html#a6d0f568c60e06a1c59c2bf37788ff778">begin</a>(), jend = c.<a class="code" href="classSAT_1_1Clause.html#a38094b009b923d08ca9b1a8f517b591e">end</a>(); j != jend; ++j) {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  addLiteral(*j);</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="classSAT_1_1Clause.html">Clause</a> oldClause = c;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="classCVC3_1_1Theorem.html">CVC3::Theorem</a> clauseThm = oldClause.<a class="code" href="classSAT_1_1Clause.html#aa4d692df8aaef4ea4c1c45af006c1301">getClauseTheorem</a>();</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  getCurrentClause().setClauseTheorem(clauseThm);<span class="comment">//by yeting</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> (c.<a class="code" href="classSAT_1_1Clause.html#abcf5873b0dcc37651c1af59c610a13a9">isUnit</a>()) registerUnit();</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  d_current = cur; </div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> }</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div>
<div class="line"><a name="l00137"></a><span class="lineno"><a class="code" href="classSAT_1_1CNF__Formula__Impl.html#adffd09ad005d74fdad1be0fc80727767"> 137</a></span> <span class="keywordtype">void</span> CNF_Formula_Impl::newClause()</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> {</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  d_formula.resize(d_formula.size()+1);</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  d_current = &(d_formula.back());</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> }</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a name="l00144"></a><span class="lineno"><a class="code" href="classSAT_1_1CNF__Formula__Impl.html#ab72a764586f913bc1aa45e0334a75140"> 144</a></span> <span class="keywordtype">void</span> CNF_Formula_Impl::registerUnit()</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> {</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(d_current->size()==1,<span class="stringliteral">"Expected unit clause"</span>);</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  d_current->setUnit();</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="code" href="classSAT_1_1Lit.html">Lit</a> l = *(d_current->begin());</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  d_lits[l.<a class="code" href="classSAT_1_1Lit.html#a744e350c39286a2ea093c3c5f1d083a4">getID</a>()] = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> }</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> </div>
<div class="line"><a name="l00153"></a><span class="lineno"><a class="code" href="classSAT_1_1CNF__Formula__Impl.html#ad4e85285d108ed917b748e09c356aa7d"> 153</a></span> <span class="keywordtype">void</span> CNF_Formula_Impl::simplify()</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> {</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  deque<Clause>::iterator i, iend;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="classSAT_1_1Clause.html#af739bca890fe8219a7ebda3beefb0474">Clause::const_iterator</a> j, jend;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">for</span> (i = d_formula.begin(), iend = d_formula.end(); i != iend; ++i) {</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">if</span> ((*i).isUnit()) <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">for</span> (j=(*i).begin(), jend = (*i).end(); j != jend; ++j) {</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">if</span> ((*j).isTrue()) {</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  (*i).setSatisfied();</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <a class="code" href="classHash_1_1hash__map.html">hash_map<int, bool>::iterator</a> it = d_lits.<a class="code" href="classHash_1_1hash__map.html#af3317f9087a35d09985b6513c45d2ab8" title="operations">find</a>((*j).getID());</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span> (it != d_lits.<a class="code" href="classHash_1_1hash__map.html#a2c776e055f3d17226605157e1c37dbc9">end</a>()) {</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  (*i).setSatisfied();</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  }</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</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> }</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="classSAT_1_1CNF__Formula__Impl.html#a6bc99606944e873ded2b37c954b18170"> 174</a></span> <span class="keywordtype">void</span> <a class="code" href="group__ExprStream__Manip.html#ga90deb7348703ae1a59a11d9af77aa8ad" title="Reset the indentation to the default at this level.">CNF_Formula_Impl::reset</a>()</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> {</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  d_formula.clear();</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  d_lits.clear();</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  d_current = NULL;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  d_numVars = 0;</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> </div>
<div class="line"><a name="l00183"></a><span class="lineno"><a class="code" href="classSAT_1_1CD__CNF__Formula.html#a9ef7d443b6dddb0f23fd07e81a60970c"> 183</a></span> <span class="keywordtype">void</span> CD_CNF_Formula::newClause()</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>  <span class="comment">//TODO: don't call constructor twice</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  d_current = &(d_formula.push_back(<a class="code" href="classSAT_1_1Clause.html">Clause</a>()));</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> </div>
<div class="line"><a name="l00190"></a><span class="lineno"><a class="code" href="classSAT_1_1CD__CNF__Formula.html#a41c4e53bdf4c9d98afbdbea4a735fce9"> 190</a></span> <span class="keywordtype">void</span> CD_CNF_Formula::registerUnit()</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> {</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(d_current->size()==1,<span class="stringliteral">"Expected unit clause"</span>);</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  d_current->setUnit();</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> }</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div>
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