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<a href="assumptions_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 assumptions.cpp</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *\brief Implementation of class Assumptions</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: Thu Jan 5 06:25:52 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> <span class="comment">/*****************************************************************************/</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> </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <algorithm></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="assumptions_8h.html">assumptions.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> </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">using namespace </span>std;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">using namespace </span>CVC3;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> Assumptions::s_empty;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="code" href="classCVC3_1_1Assumptions.html#a9d4f8e2ab0bee667188a42f1e0ab1a98"> 34</a></span> <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& Assumptions::findTheorem(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">static</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> null;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="comment">// TRACE_MSG("assumptions", "findTheorem");</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& t = find(e);</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">if</span> (!t.<a class="code" href="classCVC3_1_1Theorem.html#afc6fdb0507eb3669e28d9be5ed0bd333">isNull</a>()) <span class="keywordflow">return</span> t;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="comment">// recurse</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">const</span> vector<Theorem>::const_iterator aend = d_vector.end();</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">for</span> (vector<Theorem>::const_iterator iter2 = d_vector.begin(); </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  iter2 != aend; ++iter2) {</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">if</span> (iter2->isRefl() || !iter2->isFlagged()) {</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceCVC3.html#ac06ac2fd4db699104b790f98b7abba71">compare</a>(*iter2, e) == 0) <span class="keywordflow">return</span> *iter2;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">if</span> (!iter2->isAssump()) {</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& t = iter2-><a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>().<a class="code" href="classCVC3_1_1Assumptions.html#a9d4f8e2ab0bee667188a42f1e0ab1a98">findTheorem</a>(e);</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">if</span> (!t.<a class="code" href="classCVC3_1_1Theorem.html#afc6fdb0507eb3669e28d9be5ed0bd333">isNull</a>()) <span class="keywordflow">return</span> t;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  }</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">if</span> (!iter2->isRefl()) iter2-><a class="code" href="classCVC3_1_1Theorem.html#af83d6b4d71bfb558296a1c296a69c3d7" title="Set the flag attribute.">setFlag</a>();</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  }</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>  <span class="keywordflow">return</span> null; <span class="comment">// not found</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> </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div>
<div class="line"><a name="l00058"></a><span class="lineno"><a class="code" href="classCVC3_1_1Assumptions.html#a2fd592d43e21629722887fe7b812b8b6"> 58</a></span> <span class="keywordtype">bool</span> Assumptions::findExpr(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a>& a,</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e, vector<Theorem>& gamma) {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">bool</span> found = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Assumptions_1_1iterator.html" title="Iterator for the Assumptions: points to class Theorem.">Assumptions::iterator</a> aend = a.<a class="code" href="classCVC3_1_1Assumptions.html#afc875bbe97e4e2d74a2cdc824f783bfb">end</a>();</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="classCVC3_1_1Assumptions_1_1iterator.html" title="Iterator for the Assumptions: points to class Theorem.">Assumptions::iterator</a> iter = a.<a class="code" href="classCVC3_1_1Assumptions.html#ac3e7d0e1796c83edf687aac063bdba06">begin</a>();</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">for</span> (; iter != aend; ++iter) { </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> (iter-><a class="code" href="classCVC3_1_1Theorem.html#a16f074e60b9e076187efb478889d2c47">isRefl</a>()) <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">if</span> (iter-><a class="code" href="classCVC3_1_1Theorem.html#a1695c9afc9a5c1f8cd000d40b9e2a9cd" title="Check if the flag attribute is set.">isFlagged</a>()) {</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">if</span> (iter-><a class="code" href="classCVC3_1_1Theorem.html#a0062fd610006e5bc0b4093ae72943342" title="Check if the flag attribute is set.">getCachedValue</a>()) found = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  }</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> ((iter-><a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>() == e) || </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  (!iter-><a class="code" href="classCVC3_1_1Theorem.html#a05282db6832afb4f198d8c6b2b67aeb1">isAssump</a>() && </div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  findExpr(iter-><a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>(), e, gamma))) {</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  found = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  iter-><a class="code" href="classCVC3_1_1Theorem.html#a293ebbc3162763fbbeaa9fbd8ea1c657" title="Check if the flag attribute is set.">setCachedValue</a>(<span class="keyword">true</span>);</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">else</span> iter-><a class="code" href="classCVC3_1_1Theorem.html#a293ebbc3162763fbbeaa9fbd8ea1c657" title="Check if the flag attribute is set.">setCachedValue</a>(<span class="keyword">false</span>);</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  iter-><a class="code" href="classCVC3_1_1Theorem.html#af83d6b4d71bfb558296a1c296a69c3d7" title="Set the flag attribute.">setFlag</a>();</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  } </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  }</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>  <span class="keywordflow">if</span> (found) {</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">for</span> (iter = a.<a class="code" href="classCVC3_1_1Assumptions.html#ac3e7d0e1796c83edf687aac063bdba06">begin</a>(); iter != aend; ++iter) {</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">if</span> (iter-><a class="code" href="classCVC3_1_1Theorem.html#a16f074e60b9e076187efb478889d2c47">isRefl</a>()) <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (!iter-><a class="code" href="classCVC3_1_1Theorem.html#a0062fd610006e5bc0b4093ae72943342" title="Check if the flag attribute is set.">getCachedValue</a>()) gamma.push_back(*iter);</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">return</span> found;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> }</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="classCVC3_1_1Assumptions.html#a2aee19965a0ec1adcd927f7c40b7064f"> 92</a></span> <span class="keywordtype">bool</span> Assumptions::findExprs(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a>& a, <span class="keyword">const</span> vector<Expr>& es, </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  vector<Theorem>& gamma) {</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">bool</span> found = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">const</span> vector<Expr>::const_iterator esbegin = es.begin();</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">const</span> vector<Expr>::const_iterator esend = es.end();</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Assumptions_1_1iterator.html" title="Iterator for the Assumptions: points to class Theorem.">Assumptions::iterator</a> aend = a.<a class="code" href="classCVC3_1_1Assumptions.html#afc875bbe97e4e2d74a2cdc824f783bfb">end</a>();</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="classCVC3_1_1Assumptions_1_1iterator.html" title="Iterator for the Assumptions: points to class Theorem.">Assumptions::iterator</a> iter = a.<a class="code" href="classCVC3_1_1Assumptions.html#ac3e7d0e1796c83edf687aac063bdba06">begin</a>();</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">for</span> (; iter != aend; ++iter) {</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span> (iter-><a class="code" href="classCVC3_1_1Theorem.html#a16f074e60b9e076187efb478889d2c47">isRefl</a>()) <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iter-><a class="code" href="classCVC3_1_1Theorem.html#a1695c9afc9a5c1f8cd000d40b9e2a9cd" title="Check if the flag attribute is set.">isFlagged</a>()) {</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">if</span> (iter-><a class="code" href="classCVC3_1_1Theorem.html#a0062fd610006e5bc0b4093ae72943342" title="Check if the flag attribute is set.">getCachedValue</a>()) found = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">// switch to binary search below? (sort es first)</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> ((::find(esbegin, esend, iter-><a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>()) != esend) ||</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  (!iter-><a class="code" href="classCVC3_1_1Theorem.html#a05282db6832afb4f198d8c6b2b67aeb1">isAssump</a>() && </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  findExprs(iter-><a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>(), es, gamma))) {</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  found = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  iter-><a class="code" href="classCVC3_1_1Theorem.html#a293ebbc3162763fbbeaa9fbd8ea1c657" title="Check if the flag attribute is set.">setCachedValue</a>(<span class="keyword">true</span>);</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>  <span class="keywordflow">else</span> iter-><a class="code" href="classCVC3_1_1Theorem.html#a293ebbc3162763fbbeaa9fbd8ea1c657" title="Check if the flag attribute is set.">setCachedValue</a>(<span class="keyword">false</span>);</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  iter-><a class="code" href="classCVC3_1_1Theorem.html#af83d6b4d71bfb558296a1c296a69c3d7" title="Set the flag attribute.">setFlag</a>();</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"> 117</span>  <span class="keywordflow">if</span> (found) {</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">for</span> (iter = a.<a class="code" href="classCVC3_1_1Assumptions.html#ac3e7d0e1796c83edf687aac063bdba06">begin</a>(); iter != aend; ++iter) { </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> (iter-><a class="code" href="classCVC3_1_1Theorem.html#a16f074e60b9e076187efb478889d2c47">isRefl</a>()) <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">if</span> (!iter-><a class="code" href="classCVC3_1_1Theorem.html#a0062fd610006e5bc0b4093ae72943342" title="Check if the flag attribute is set.">getCachedValue</a>()) gamma.push_back(*iter);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">return</span> found;</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> </div>
<div class="line"><a name="l00127"></a><span class="lineno"><a class="code" href="classCVC3_1_1Assumptions.html#a816544e449b0c1d46513933a6e4dad30"> 127</a></span> Assumptions::Assumptions(<span class="keyword">const</span> vector<Theorem>& v) {</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">if</span> (v.empty()) <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  d_vector.reserve(v.size());</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="keyword">const</span> vector<Theorem>::const_iterator iend = v.end();</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  vector<Theorem>::const_iterator i = v.begin();</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">for</span> (;i != iend; ++i) {</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">if</span> ((!i->getAssumptionsRef().empty())) {</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  d_vector.push_back(*i);</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  }</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> </div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">if</span> (d_vector.size() <= 1) <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  sort(d_vector.begin(), d_vector.end());</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  vector<Theorem>::iterator newend =</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  unique(d_vector.begin(), d_vector.end(), <a class="code" href="search__fast_8cpp.html#a262e92a64449205cbd952a704be68952">Theorem::TheoremEq</a>);</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  d_vector.resize(newend - d_vector.begin());</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> }</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div>
<div class="line"><a name="l00149"></a><span class="lineno"><a class="code" href="classCVC3_1_1Assumptions.html#a98b093589b515e8c2e3e571f37a029c5"> 149</a></span> Assumptions::Assumptions(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& t1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& t2)</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>  <span class="keywordflow">if</span> (!t1.<a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>().<a class="code" href="classCVC3_1_1Assumptions.html#a37da34b71944a11667d6af0fbd45651b">empty</a>()) {</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span> (!t2.<a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>().<a class="code" href="classCVC3_1_1Assumptions.html#a37da34b71944a11667d6af0fbd45651b">empty</a>()) {</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">switch</span>(<a class="code" href="namespaceCVC3.html#ac06ac2fd4db699104b790f98b7abba71">compare</a>(t1, t2)) {</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">case</span> -1: <span class="comment">// t1 < t2:</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  d_vector.push_back(t1);</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  d_vector.push_back(t2);</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">case</span> 0: <span class="comment">// t1 == t2:</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  d_vector.push_back(t1);</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">case</span> 1: <span class="comment">// t1 > t2:</span></div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  d_vector.push_back(t2);</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  d_vector.push_back(t1);</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  } <span class="keywordflow">else</span> d_vector.push_back(t1);</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!t2.<a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>().<a class="code" href="classCVC3_1_1Assumptions.html#a37da34b71944a11667d6af0fbd45651b">empty</a>()) {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  d_vector.push_back(t2);</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>  <span class="comment">/*</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment"> switch(compare(t1, t2)) {</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="comment"> case -1: // t1 < t2:</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment"> d_vector.push_back(t1);</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"> d_vector.push_back(t2);</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment"> break;</span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment"> case 0: // t1 == t2:</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment"> d_vector.push_back(t1);</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"> break;</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment"> case 1: // t1 > t2:</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment"> d_vector.push_back(t2);</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment"> d_vector.push_back(t1);</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment"> break;</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment"> }</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment"> */</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> </div>
<div class="line"><a name="l00190"></a><span class="lineno"><a class="code" href="classCVC3_1_1Assumptions.html#a47ed07591d1311e7fe2a0df8165a2c56"> 190</a></span> <span class="keywordtype">void</span> Assumptions::add(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& t)</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>  <span class="keywordflow">if</span> (t.<a class="code" href="classCVC3_1_1Theorem.html#a5e9ab00a613df15cc02f55edb55a67b3">getAssumptionsRef</a>().<a class="code" href="classCVC3_1_1Assumptions.html#a37da34b71944a11667d6af0fbd45651b">empty</a>()) <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  vector<Theorem>::iterator iter, iend = d_vector.end();</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  iter = lower_bound(d_vector.begin(), iend, t);</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">if</span> (iter != iend && <a class="code" href="namespaceCVC3.html#ac06ac2fd4db699104b790f98b7abba71">compare</a>(t, *iter) == 0) <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  d_vector.insert(iter, t);</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> }</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div>
<div class="line"><a name="l00200"></a><span class="lineno"><a class="code" href="classCVC3_1_1Assumptions.html#a72ece655220d8976c4090006eb7b0b40"> 200</a></span> <span class="keywordtype">void</span> Assumptions::add(<span class="keyword">const</span> std::vector<Theorem>& thms)</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> {</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">if</span> (thms.size() == 0) <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> </div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <a class="code" href="debug_8h.html#a600cb2d68efe7cc413cccbb5714c7016">IF_DEBUG</a>(</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  vector<Theorem>::const_iterator iend = thms.end();</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">for</span> (vector<Theorem>::const_iterator i = thms.begin(); </div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  i != iend; ++i) {</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">if</span> (i+1 == iend) <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(<a class="code" href="namespaceCVC3.html#ac06ac2fd4db699104b790f98b7abba71">compare</a>(*i, *(i+1)) == -1, <span class="stringliteral">"Expected sorted"</span>);</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  }</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> )</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  vector<Theorem> v;</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  v.reserve(d_vector.size()+thms.size());</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  vector<Theorem>::const_iterator i = d_vector.begin();</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  vector<Theorem>::const_iterator j = thms.begin();</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keyword">const</span> vector<Theorem>::const_iterator v1end = d_vector.end();</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">const</span> vector<Theorem>::const_iterator v2end = thms.end();</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment">// merge</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">while</span> (i != v1end && j != v2end) {</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">if</span> (j->getAssumptionsRef().empty()) {</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  ++j;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">switch</span>(<a class="code" href="namespaceCVC3.html#ac06ac2fd4db699104b790f98b7abba71">compare</a>(*i, *j)) {</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">case</span> 0:</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// copy only 1, drop down to next case</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  ++j;</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">case</span> -1: <span class="comment">// <</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  v.push_back(*i);</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  ++i;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">default</span>: <span class="comment">// ></span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  v.push_back(*j);</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  ++j;</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  };</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  }</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="comment">// Push in the remaining elements</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">for</span>(; i != v1end; ++i) v.push_back(*i);</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">for</span>(; j != v2end; ++j) {</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">if</span> (!j->getAssumptionsRef().empty())</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  v.push_back(*j);</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  }</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  d_vector.swap(v);</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> }</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> </div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div>
<div class="line"><a name="l00250"></a><span class="lineno"><a class="code" href="classCVC3_1_1Assumptions.html#ab1e6eca463ad7b98c0c2d2d31bb5d1dd"> 250</a></span> <span class="keywordtype">string</span> Assumptions::toString()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  ostringstream ss;</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  ss << (*this);</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">return</span> ss.str();</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> }</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div>
<div class="line"><a name="l00257"></a><span class="lineno"><a class="code" href="classCVC3_1_1Assumptions.html#afefe1857c30806381eb0f8f7fa3d88c4"> 257</a></span> <span class="keywordtype">void</span> Assumptions::print()<span class="keyword"> const</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  cout << toString() << <a class="code" href="group__ExprStream__Manip.html#ga05b0ea7353ec24fa8e7e272d7a7875d8" title="Print the end-of-line.">endl</a>;</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> }</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  </div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> </div>
<div class="line"><a name="l00263"></a><span class="lineno"><a class="code" href="classCVC3_1_1Assumptions.html#a6acec430850e6bcc418d2c65e164a520"> 263</a></span> <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& Assumptions::operator[](<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">if</span> (!d_vector.empty()) {</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  d_vector.front().<a class="code" href="classCVC3_1_1Theorem.html#a621ab2150eedc0e3b38d34275ac206cd" title="Clear the flag attribute in all the theorems.">clearAllFlags</a>();</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  }</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">return</span> findTheorem(e);</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> }</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div>
<div class="line"><a name="l00271"></a><span class="lineno"><a class="code" href="classCVC3_1_1Assumptions.html#acafacf59eb34d2e188931a016a87c61b"> 271</a></span> <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& Assumptions::find(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keyword">static</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a> null;</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="comment">// binary search</span></div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordtype">int</span> lo = 0; </div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordtype">int</span> hi = d_vector.size() - 1;</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordtype">int</span> loc;</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">while</span> (lo <= hi) {</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  loc = (lo + hi) / 2;</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  </div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">switch</span> (<a class="code" href="namespaceCVC3.html#ac06ac2fd4db699104b790f98b7abba71">compare</a>(d_vector[loc], e)) {</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">case</span> 0: <span class="keywordflow">return</span> d_vector[loc];</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">case</span> -1: <span class="comment">// t < e</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  lo = loc + 1;</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">default</span>: <span class="comment">// t > e</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  hi = loc - 1;</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  };</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  }</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">return</span> null;</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> }</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> </div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment"></span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment">////////////////////////////////////////////////////////////////////</span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="comment"></span><span class="comment">// Assumptions friend methods</span><span class="comment"></span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="comment">////////////////////////////////////////////////////////////////////</span></div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="comment"></span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> </div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="keyword">namespace </span>CVC3 {</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> </div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> </div>
<div class="line"><a name="l00301"></a><span class="lineno"><a class="code" href="namespaceCVC3.html#ae19ef03938a73d86e76f95f5e3d9149c"> 301</a></span> <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> <a class="code" href="namespaceCVC3.html#aacf567dce1c762f957267427472bd959">operator-</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a>& 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="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">if</span> (a.<a class="code" href="classCVC3_1_1Assumptions.html#ac3e7d0e1796c83edf687aac063bdba06">begin</a>() != a.<a class="code" href="classCVC3_1_1Assumptions.html#afc875bbe97e4e2d74a2cdc824f783bfb">end</a>()) {</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#ac3e7d0e1796c83edf687aac063bdba06">begin</a>()-><a class="code" href="classCVC3_1_1Theorem.html#a621ab2150eedc0e3b38d34275ac206cd" title="Clear the flag attribute in all the theorems.">clearAllFlags</a>();</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  vector<Theorem> gamma;</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">if</span> (Assumptions::findExpr(a, e, gamma)) <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a>(gamma);</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  } </div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">return</span> a;</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> }</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> </div>
<div class="line"><a name="l00311"></a><span class="lineno"><a class="code" href="namespaceCVC3.html#adf48e1fdf3a51aa62b5fa0253cce261a"> 311</a></span> <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> <a class="code" href="namespaceCVC3.html#aacf567dce1c762f957267427472bd959">operator-</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a>& a, <span class="keyword">const</span> vector<Expr>& es) {</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">if</span> (!es.empty() && a.<a class="code" href="classCVC3_1_1Assumptions.html#ac3e7d0e1796c83edf687aac063bdba06">begin</a>() != a.<a class="code" href="classCVC3_1_1Assumptions.html#afc875bbe97e4e2d74a2cdc824f783bfb">end</a>()) {</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  a.<a class="code" href="classCVC3_1_1Assumptions.html#ac3e7d0e1796c83edf687aac063bdba06">begin</a>()-><a class="code" href="classCVC3_1_1Theorem.html#a621ab2150eedc0e3b38d34275ac206cd" title="Clear the flag attribute in all the theorems.">clearAllFlags</a>();</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  vector<Theorem> gamma;</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">if</span> (Assumptions::findExprs(a, es, gamma)) <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a>(gamma);</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  }</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordflow">return</span> a;</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> }</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> </div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> </div>
<div class="line"><a name="l00321"></a><span class="lineno"><a class="code" href="namespaceCVC3.html#a2a19d179ac1730ec456a78588ea097e4"> 321</a></span> ostream& <a class="code" href="namespaceCVC3.html#a6b7e38d3c97da1e91e12a6c9555b8163">operator<<</a>(ostream& os, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Assumptions.html">Assumptions</a> &assump) {</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  vector<Theorem>::const_iterator i = assump.<a class="code" href="classCVC3_1_1Assumptions.html#a510d7d883844766ec1fd9003bbf6d66c">d_vector</a>.begin();</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keyword">const</span> vector<Theorem>::const_iterator iend = assump.<a class="code" href="classCVC3_1_1Assumptions.html#a510d7d883844766ec1fd9003bbf6d66c">d_vector</a>.end();</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">if</span>(i != iend) { os << i->getExpr(); i++; }</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">for</span>(; i != iend; i++) os << <span class="stringliteral">",\n "</span> << i->getExpr();</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">return</span> os;</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> }</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> </div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> </div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> } <span class="comment">// end of namespace CVC3</span></div>
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