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<div class="title">clause.cpp</div> </div>
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<a href="clause_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*****************************************************************************/</span><span class="comment"></span>
<a name="l00002"></a>00002 <span class="comment">/*!</span>
<a name="l00003"></a>00003 <span class="comment"> * \file clause.cpp</span>
<a name="l00004"></a>00004 <span class="comment"> * \brief Implementation of class Clause</span>
<a name="l00005"></a>00005 <span class="comment"> * </span>
<a name="l00006"></a>00006 <span class="comment"> * Author: Sergey Berezin</span>
<a name="l00007"></a>00007 <span class="comment"> * </span>
<a name="l00008"></a>00008 <span class="comment"> * Created: Mon Apr 28 17:20:23 2003</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * <hr></span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> * License to use, copy, modify, sell and/or distribute this software</span>
<a name="l00013"></a>00013 <span class="comment"> * and its documentation for any purpose is hereby granted without</span>
<a name="l00014"></a>00014 <span class="comment"> * royalty, subject to the terms and conditions defined in the \ref</span>
<a name="l00015"></a>00015 <span class="comment"> * LICENSE file provided with this distribution.</span>
<a name="l00016"></a>00016 <span class="comment"> * </span>
<a name="l00017"></a>00017 <span class="comment"> * <hr></span>
<a name="l00018"></a>00018 <span class="comment"> * </span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020 <span class="comment">/*****************************************************************************/</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="clause_8h.html">clause.h</a>"</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="theory__core_8h.html">theory_core.h</a>"</span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="keyword">using namespace </span>std;
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="keyword">namespace </span>CVC3 {
<a name="l00028"></a>00028 <span class="comment"></span>
<a name="l00029"></a>00029 <span class="comment">////////////////////////////////////////////////////////////////////////</span>
<a name="l00030"></a>00030 <span class="comment"></span><span class="comment">// class ClauseValue methods</span><span class="comment"></span>
<a name="l00031"></a>00031 <span class="comment">////////////////////////////////////////////////////////////////////////</span>
<a name="l00032"></a>00032 <span class="comment"></span>
<a name="l00033"></a>00033 <span class="comment">// Constructor: takes the main clause theorem which must be a</span>
<a name="l00034"></a>00034 <span class="comment">// disjunction of literals and have no assumptions.</span>
<a name="l00035"></a><a class="code" href="classCVC3_1_1ClauseValue.html#a5b39de3e0284460be42cec3b89a90348">00035</a> ClauseValue::ClauseValue(<a class="code" href="classCVC3_1_1TheoryCore.html" title="This theory handles the built-in logical connectives plus equality. It also handles the registration ...">TheoryCore</a>* core, <a class="code" href="classCVC3_1_1VariableManager.html">VariableManager</a>* vm,
<a name="l00036"></a>00036 <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& clause, <span class="keywordtype">int</span> scope)
<a name="l00037"></a>00037 : d_refcount(0), d_refcountOwner(0), d_thm(clause), d_scope(scope),
<a name="l00038"></a>00038 <span class="comment">// This backtrackable member is initialized in the first scope</span>
<a name="l00039"></a>00039 <span class="comment">// (which is #0)</span>
<a name="l00040"></a>00040 d_sat(core->getCM()->getCurrentContext(), false, 0),
<a name="l00041"></a>00041 d_deleted(false) {
<a name="l00042"></a>00042 <span class="comment">// Check the clause</span>
<a name="l00043"></a>00043 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(clause.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>().<a class="code" href="group__ExprPkg.html#ga36f1eff876808586db368dc1b6da5f56">isOr</a>(), <span class="stringliteral">"Clause(): bad clause given: "</span>
<a name="l00044"></a>00044 + clause.<a class="code" href="classCVC3_1_1Theorem.html#ac4b1c9570ffb9cc901627ef2abb9ff77">toString</a>());
<a name="l00045"></a>00045 <span class="comment">// DebugAssert(clause.getExpr().arity()>0, "Clause(): empty clause: "</span>
<a name="l00046"></a>00046 <span class="comment">// + clause.toString());</span>
<a name="l00047"></a>00047 <span class="comment">// Initialize watched literals to the edges with directions</span>
<a name="l00048"></a>00048 <span class="comment">// pointing outwards</span>
<a name="l00049"></a>00049 <a class="code" href="classCVC3_1_1ClauseValue.html#a4080e117c47d6416c256e6a7c5d9f7e7">d_wp</a>[0]=0; <a class="code" href="classCVC3_1_1ClauseValue.html#a6ccefdca104c4a24a2f45c65db8c3be0">d_dir</a>[0]=-1;
<a name="l00050"></a>00050 d_wp[1] = clause.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>().<a class="code" href="group__ExprPkg.html#ga28b901d05e52a5c646f83a95cc74f94b">arity</a>()-1; <a class="code" href="classCVC3_1_1ClauseValue.html#a6ccefdca104c4a24a2f45c65db8c3be0">d_dir</a>[1]=1;
<a name="l00051"></a>00051 <span class="comment">// Initialize the literals</span>
<a name="l00052"></a>00052 <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> c(clause.<a class="code" href="classCVC3_1_1Theorem.html#af2b97ae5d270ddf1013bf4f3867a7e5d">getExpr</a>());
<a name="l00053"></a>00053 <a class="code" href="classCVC3_1_1ClauseValue.html#a6696e3c06ab4301893d759559470f917">d_literals</a>.reserve(c.arity());
<a name="l00054"></a>00054 <span class="keywordflow">for</span>(<a class="code" href="classCVC3_1_1Expr_1_1iterator.html">Expr::iterator</a> i=c.begin(), iend=c.end(); i!=iend; ++i) {
<a name="l00055"></a>00055 <span class="keywordtype">int</span> val(i->isNot()? -1 : 1);
<a name="l00056"></a>00056 <a class="code" href="classCVC3_1_1Variable.html">Variable</a> v(vm, (val < 0)? (*i)[0] : (*i));
<a name="l00057"></a>00057 <a class="code" href="classCVC3_1_1Literal.html">Literal</a> l(v, val > 0);
<a name="l00058"></a>00058 <a class="code" href="classCVC3_1_1ClauseValue.html#a6696e3c06ab4301893d759559470f917">d_literals</a>.push_back(l);
<a name="l00059"></a>00059 <span class="comment">// Update the literal's count for splitter heuristics</span>
<a name="l00060"></a>00060 l.<a class="code" href="classCVC3_1_1Literal.html#a4823b2e9ec3a6a13a28c209d22269564">count</a>()++;
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062 <a class="code" href="debug_8h.html#a600cb2d68efe7cc413cccbb5714c7016">IF_DEBUG</a>(<a class="code" href="classCVC3_1_1ClauseValue.html#ae187971f8c1759d203d4d207923eb186">d_sat</a>.setName(<span class="stringliteral">"CDO[Clause.d_sat]"</span>);)
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064
<a name="l00065"></a><a class="code" href="classCVC3_1_1ClauseValue.html#aad3b57cc63ad2bc763022112de4899bf">00065</a> <a class="code" href="classCVC3_1_1ClauseValue.html">ClauseValue</a>::~<a class="code" href="classCVC3_1_1ClauseValue.html#aa9a93c758484961cc52689f2660caed2">ClauseValue</a>() {
<a name="l00066"></a>00066 <a class="code" href="debug_8h.html#ad64155edafde9f067f4868817cd04bdf">TRACE_MSG</a>(<span class="stringliteral">"search literals"</span>, <span class="stringliteral">"~ClauseValue() {"</span>);
<a name="l00067"></a>00067 <a class="code" href="debug_8h.html#a2637b2fffa22e3c9fad40cda8fcc3bce" title="If something goes horribly wrong, print a message and abort immediately with exit(1).">FatalAssert</a>(<a class="code" href="classCVC3_1_1ClauseValue.html#a2002fbd254e10953e689c49c3717aab3" title="Ref. counter.">d_refcount</a> == 0, <span class="stringliteral">"~ClauseValue: non-zero refcount: "</span>
<a name="l00068"></a>00068 + <a class="code" href="namespaceCVC3.html#af69618103f1f0f2eadada0796a2a940c">int2string</a>(<a class="code" href="classCVC3_1_1ClauseValue.html#a2002fbd254e10953e689c49c3717aab3" title="Ref. counter.">d_refcount</a>));
<a name="l00069"></a>00069 <span class="keywordflow">if</span>(!<a class="code" href="classCVC3_1_1ClauseValue.html#a648d7b3be67a263a2d1b0938880f2c48">d_deleted</a>) { <span class="comment">// Update the literal counts for splitter heuristics</span>
<a name="l00070"></a>00070 <span class="keywordflow">for</span>(vector<Literal>::iterator i=<a class="code" href="classCVC3_1_1ClauseValue.html#a6696e3c06ab4301893d759559470f917">d_literals</a>.begin(),
<a name="l00071"></a>00071 iend=<a class="code" href="classCVC3_1_1ClauseValue.html#a6696e3c06ab4301893d759559470f917">d_literals</a>.end(); i!=iend; ++i) {
<a name="l00072"></a>00072 i->count()--;
<a name="l00073"></a>00073 <a class="code" href="debug_8h.html#a600cb2d68efe7cc413cccbb5714c7016">IF_DEBUG</a>(<span class="keywordflow">if</span>(i->count() == 0)
<a name="l00074"></a>00074 <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"search literals"</span>, <span class="stringliteral">"Null count for "</span>, *i, <span class="stringliteral">""</span>);)
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077 <a class="code" href="debug_8h.html#ad64155edafde9f067f4868817cd04bdf">TRACE_MSG</a>(<span class="stringliteral">"search literals"</span>, <span class="stringliteral">"~ClauseValue() => }"</span>);
<a name="l00078"></a>00078 }
<a name="l00079"></a>00079 <span class="comment"></span>
<a name="l00080"></a>00080 <span class="comment">////////////////////////////////////////////////////////////////////////</span>
<a name="l00081"></a>00081 <span class="comment"></span><span class="comment">// class Clause methods</span><span class="comment"></span>
<a name="l00082"></a>00082 <span class="comment">////////////////////////////////////////////////////////////////////////</span>
<a name="l00083"></a>00083 <span class="comment"></span>
<a name="l00084"></a>00084 <span class="comment">// Destructor</span>
<a name="l00085"></a><a class="code" href="classCVC3_1_1Clause.html#aacf7ed78bdf948f49fc3eec100b1213b">00085</a> <a class="code" href="classCVC3_1_1Clause.html#aacf7ed78bdf948f49fc3eec100b1213b">Clause::~Clause</a>() {
<a name="l00086"></a>00086 <span class="keywordflow">if</span>(d_clause != NULL) {
<a name="l00087"></a>00087 <a class="code" href="debug_8h.html#a2637b2fffa22e3c9fad40cda8fcc3bce" title="If something goes horribly wrong, print a message and abort immediately with exit(1).">FatalAssert</a>(d_clause->d_refcount > 0,
<a name="l00088"></a>00088 <span class="stringliteral">"~Clause: non-positive refcount: "</span>
<a name="l00089"></a>00089 + <a class="code" href="namespaceCVC3.html#af69618103f1f0f2eadada0796a2a940c">int2string</a>(d_clause->d_refcount));
<a name="l00090"></a>00090 <span class="keywordflow">if</span>(--(d_clause->d_refcount) == 0) <span class="keyword">delete</span> d_clause;
<a name="l00091"></a>00091 }
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <span class="keywordtype">void</span>
<a name="l00096"></a><a class="code" href="classCVC3_1_1Clause.html#a47d7c887d12dce3ad803bd7e9fbdefe8">00096</a> <a class="code" href="classCVC3_1_1Clause.html#a47d7c887d12dce3ad803bd7e9fbdefe8">Clause::markDeleted</a>()<span class="keyword"> const </span>{
<a name="l00097"></a>00097 <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"search literals"</span>, <span class="stringliteral">"Clause::markDeleted("</span>,
<a name="l00098"></a>00098 <a class="code" href="classCVC3_1_1CompactClause.html">CompactClause</a>(*<span class="keyword">this</span>), <span class="stringliteral">") {"</span>);
<a name="l00099"></a>00099 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(!isNull(), <span class="stringliteral">"Clause::markDeleted()"</span>);
<a name="l00100"></a>00100 <span class="keywordflow">if</span>(!d_clause->d_deleted) {
<a name="l00101"></a>00101 d_clause->d_deleted = <span class="keyword">true</span>;
<a name="l00102"></a>00102 <span class="comment">// Update the literal counts for splitter heuristics</span>
<a name="l00103"></a>00103 <span class="keywordflow">for</span>(vector<Literal>::iterator i=d_clause->d_literals.begin(),
<a name="l00104"></a>00104 iend=d_clause->d_literals.end(); i!=iend; ++i) {
<a name="l00105"></a>00105 i->count()--;
<a name="l00106"></a>00106 <a class="code" href="debug_8h.html#a600cb2d68efe7cc413cccbb5714c7016">IF_DEBUG</a>(<span class="keywordflow">if</span>(i->count() == 0)
<a name="l00107"></a>00107 <a class="code" href="kinds_8h.html#aa10c9e8951b8ccf714a59ec321bdac5ba7fa27e82c6c4f69434225ed81e5d151e">TRACE</a>(<span class="stringliteral">"search literals"</span>, <span class="stringliteral">"Null count for "</span>, *i, <span class="stringliteral">""</span>);)
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110 <a class="code" href="debug_8h.html#ad64155edafde9f067f4868817cd04bdf">TRACE_MSG</a>(<span class="stringliteral">"search literals"</span>, <span class="stringliteral">"Clause::markDeleted => }"</span>);
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="comment">// Assignment operator</span>
<a name="l00115"></a><a class="code" href="classCVC3_1_1Clause.html#aeba63913bd39d5a49979459c4a6b5b52">00115</a> <a class="code" href="classCVC3_1_1Clause.html" title="A class representing a CNF clause (a smart pointer)">Clause</a>& <a class="code" href="classCVC3_1_1ClauseValue.html#aaee74fca4faa432a4a86c80f1569586a">Clause::operator=</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Clause.html" title="A class representing a CNF clause (a smart pointer)">Clause</a>& c) {
<a name="l00116"></a>00116 <span class="keywordflow">if</span>(&c == <span class="keyword">this</span>) <span class="keywordflow">return</span> *<span class="keyword">this</span>; <span class="comment">// Self-assignment</span>
<a name="l00117"></a>00117 <span class="keywordflow">if</span>(d_clause != NULL) {
<a name="l00118"></a>00118 <a class="code" href="debug_8h.html#a40dac3bdb2166ffc852ee8b1489d2b56">DebugAssert</a>(d_clause->d_refcount > 0,
<a name="l00119"></a>00119 <span class="stringliteral">"Clause::operator=: non-positive refcount: "</span>
<a name="l00120"></a>00120 + <a class="code" href="namespaceCVC3.html#af69618103f1f0f2eadada0796a2a940c">int2string</a>(d_clause->d_refcount));
<a name="l00121"></a>00121 <span class="keywordflow">if</span>(--(d_clause->d_refcount) == 0) <span class="keyword">delete</span> d_clause;
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123 d_clause = c.<a class="code" href="classCVC3_1_1Clause.html#a5455f3993d1b7d6c9e8f3731a7d260cc" title="The only value member.">d_clause</a>;
<a name="l00124"></a>00124 <span class="keywordflow">if</span>(d_clause != NULL) d_clause-><a class="code" href="classCVC3_1_1ClauseValue.html#a2002fbd254e10953e689c49c3717aab3" title="Ref. counter.">d_refcount</a>++;
<a name="l00125"></a>00125 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00126"></a>00126 }
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="comment">// Printing</span>
<a name="l00129"></a><a class="code" href="classCVC3_1_1Clause.html#a97eeb3430667cd3c05a3c977d7285102">00129</a> <span class="keywordtype">string</span> <a class="code" href="classCVC3_1_1Clause.html#a97eeb3430667cd3c05a3c977d7285102">Clause::toString</a>()<span class="keyword"> const </span>{
<a name="l00130"></a>00130 std::ostringstream ss;
<a name="l00131"></a>00131 ss << *<span class="keyword">this</span>;
<a name="l00132"></a>00132 <span class="keywordflow">return</span> ss.str();
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134
<a name="l00135"></a><a class="code" href="namespaceCVC3.html#a388a4b259709c19cdba987c75c8c624c">00135</a> ostream& <a class="code" href="namespaceCVC3.html#a6b7e38d3c97da1e91e12a6c9555b8163">operator<<</a>(ostream& os, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Clause.html" title="A class representing a CNF clause (a smart pointer)">Clause</a>& c) {
<a name="l00136"></a>00136 <span class="keywordflow">if</span>(c.<a class="code" href="classCVC3_1_1Clause.html#a60c298aa79d5cec791f8eeef2086e92f">isNull</a>()) <span class="keywordflow">return</span> os << <span class="stringliteral">"Clause[Null]"</span>;
<a name="l00137"></a>00137 os << <span class="stringliteral">"Clause["</span>;
<a name="l00138"></a>00138 <span class="keywordflow">if</span>(c.<a class="code" href="classCVC3_1_1Clause.html#a420281d9272ac052c75859be690bfd4d">deleted</a>()) os << <span class="stringliteral">"DELETED "</span>;
<a name="l00139"></a>00139 os << c.<a class="code" href="classCVC3_1_1Clause.html#a3b3fad14d36eec81247fb512acc73b41">id</a>();
<a name="l00140"></a>00140 <a class="code" href="debug_8h.html#a600cb2d68efe7cc413cccbb5714c7016">IF_DEBUG</a>(<span class="keywordflow">if</span>(c.getFile() != <span class="stringliteral">""</span>)
<a name="l00141"></a>00141 os << <span class="stringliteral">", "</span> << c.getFile() << <span class="stringliteral">":"</span> << c.getLine();)
<a name="l00142"></a>00142 os << <span class="stringliteral">"]("</span> << c.<a class="code" href="classCVC3_1_1Clause.html#aa933cec7528780d7971be0c10b76dc02">getTheorem</a>()
<a name="l00143"></a>00143 << <span class="stringliteral">";\n"</span>;
<a name="l00144"></a>00144 <span class="keywordflow">if</span>(c.<a class="code" href="classCVC3_1_1Clause.html#ad399ff73eb62edf9cc4d1135e91afdcb">wp</a>(0) == c.<a class="code" href="classCVC3_1_1Clause.html#ad399ff73eb62edf9cc4d1135e91afdcb">wp</a>(1)) os << <span class="stringliteral">"WARNING: wp[0] = wp[1]\n"</span>;
<a name="l00145"></a>00145 <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> i=0; i<c.<a class="code" href="classCVC3_1_1Clause.html#a7cfde40c65fc8eb4f733094fad07dfa1">size</a>(); ++i) {
<a name="l00146"></a>00146 <span class="keywordflow">if</span>(c.<a class="code" href="classCVC3_1_1Clause.html#ad399ff73eb62edf9cc4d1135e91afdcb">wp</a>(0) == i)
<a name="l00147"></a>00147 os << <span class="stringliteral">"wp[0]"</span> << ((c.<a class="code" href="classCVC3_1_1Clause.html#a4c9a2e81c05572893ba1a3b09526d172">dir</a>(0) > 0)? <span class="stringliteral">"=>"</span> : <span class="stringliteral">"<="</span>) << <span class="stringliteral">" "</span>;
<a name="l00148"></a>00148 <span class="keywordflow">else</span> <span class="keywordflow">if</span>(c.<a class="code" href="classCVC3_1_1Clause.html#ad399ff73eb62edf9cc4d1135e91afdcb">wp</a>(1) == i)
<a name="l00149"></a>00149 os << <span class="stringliteral">"wp[1]"</span> << ((c.<a class="code" href="classCVC3_1_1Clause.html#a4c9a2e81c05572893ba1a3b09526d172">dir</a>(1) > 0)? <span class="stringliteral">"=>"</span> : <span class="stringliteral">"<="</span>) << <span class="stringliteral">" "</span>;
<a name="l00150"></a>00150 <span class="keywordflow">else</span>
<a name="l00151"></a>00151 os << <span class="stringliteral">" "</span>;
<a name="l00152"></a>00152 os << c[i] << <span class="stringliteral">";\n"</span>;
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154 <span class="keywordflow">return</span> os << ((c.<a class="code" href="classCVC3_1_1Clause.html#a1e5660eadbc4e0c0ad18c6a9aae45d39" title="Check if the clause marked as SAT.">sat</a>())? <span class="stringliteral">"Clause is SAT"</span> : <span class="stringliteral">""</span>) << <span class="stringliteral">")"</span>;
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156
<a name="l00157"></a><a class="code" href="namespaceCVC3.html#afa4d0fe856c97c30a028eb733ddb3a17">00157</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="namespaceCVC3.html#afa4d0fe856c97c30a028eb733ddb3a17">printLit</a>(ostream& os, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Literal.html">Literal</a>& l) {
<a name="l00158"></a>00158 <span class="keywordflow">if</span>(l.<a class="code" href="classCVC3_1_1Literal.html#aad653dd8534feb823b9d30f060b4e181">isNegative</a>()) os << <span class="stringliteral">"!"</span>;
<a name="l00159"></a>00159 os << l.<a class="code" href="classCVC3_1_1Literal.html#af43cfe38032a00cc8e8e60b0389eeb3e">getVar</a>().<a class="code" href="classCVC3_1_1Variable.html#af85a6bbfd1529fce66f70d0012556fdf">getExpr</a>();
<a name="l00160"></a>00160 <span class="keywordtype">int</span> val(l.<a class="code" href="classCVC3_1_1Literal.html#a48feb6e7cf83b3a59b94ca0e75627d0f">getValue</a>());
<a name="l00161"></a>00161 <span class="keywordflow">if</span>(val != 0) os << <span class="stringliteral">"="</span> << val << <span class="stringliteral">"@"</span> << l.<a class="code" href="classCVC3_1_1Literal.html#a2abe99239ecdf75235e242282cd672f2">getScope</a>();
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163
<a name="l00164"></a><a class="code" href="namespaceCVC3.html#a6cd79d19af94cb4c4457a85371999cdc">00164</a> ostream& <a class="code" href="namespaceCVC3.html#a6b7e38d3c97da1e91e12a6c9555b8163">operator<<</a>(std::ostream& os, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1CompactClause.html">CompactClause</a>& c) {
<a name="l00165"></a>00165 <span class="keyword">const</span> vector<Literal>& lits = c.<a class="code" href="classCVC3_1_1CompactClause.html#a882f0ed8565e078ac1a1cd2c524ed059">d_clause</a>.<a class="code" href="classCVC3_1_1Clause.html#afbdcb9cd34cb4ff3e14f2e5aace81d7e">getLiterals</a>();
<a name="l00166"></a>00166 <span class="keywordtype">int</span> wp0(c.<a class="code" href="classCVC3_1_1CompactClause.html#a882f0ed8565e078ac1a1cd2c524ed059">d_clause</a>.<a class="code" href="classCVC3_1_1Clause.html#ad399ff73eb62edf9cc4d1135e91afdcb">wp</a>(0)), wp1(c.<a class="code" href="classCVC3_1_1CompactClause.html#a882f0ed8565e078ac1a1cd2c524ed059">d_clause</a>.<a class="code" href="classCVC3_1_1Clause.html#ad399ff73eb62edf9cc4d1135e91afdcb">wp</a>(1));
<a name="l00167"></a>00167 <span class="keywordtype">int</span> i=0, iend=c.<a class="code" href="classCVC3_1_1CompactClause.html#a882f0ed8565e078ac1a1cd2c524ed059">d_clause</a>.<a class="code" href="classCVC3_1_1Clause.html#a7cfde40c65fc8eb4f733094fad07dfa1">size</a>();
<a name="l00168"></a>00168 os << <span class="stringliteral">"Clause["</span>;
<a name="l00169"></a>00169 <span class="keywordflow">if</span>(c.<a class="code" href="classCVC3_1_1CompactClause.html#a882f0ed8565e078ac1a1cd2c524ed059">d_clause</a>.<a class="code" href="classCVC3_1_1Clause.html#a420281d9272ac052c75859be690bfd4d">deleted</a>()) os << <span class="stringliteral">"*DELETED* "</span>;
<a name="l00170"></a>00170 <span class="keywordflow">if</span>(c.<a class="code" href="classCVC3_1_1CompactClause.html#a882f0ed8565e078ac1a1cd2c524ed059">d_clause</a>.<a class="code" href="classCVC3_1_1Clause.html#a4be95d5cff0e0ffb20f01f8c2036caa3" title="Tell how many owners this clause has (for debugging)">owners</a>() > 0) os << <span class="stringliteral">"owned("</span> << c.<a class="code" href="classCVC3_1_1CompactClause.html#a882f0ed8565e078ac1a1cd2c524ed059">d_clause</a>.<a class="code" href="classCVC3_1_1Clause.html#a4be95d5cff0e0ffb20f01f8c2036caa3" title="Tell how many owners this clause has (for debugging)">owners</a>() << <span class="stringliteral">") "</span>;
<a name="l00171"></a>00171 <span class="keywordflow">if</span>(i!=iend) {
<a name="l00172"></a>00172 <span class="keywordflow">if</span>(i==wp0 || i==wp1) os << <span class="stringliteral">"*"</span>;
<a name="l00173"></a>00173 <a class="code" href="namespaceCVC3.html#afa4d0fe856c97c30a028eb733ddb3a17">printLit</a>(os, lits[i]); ++i;
<a name="l00174"></a>00174 }
<a name="l00175"></a>00175 <span class="keywordflow">for</span>(; i!=iend; ++i) {
<a name="l00176"></a>00176 os << <span class="stringliteral">", "</span>;
<a name="l00177"></a>00177 <span class="keywordflow">if</span>(i==wp0 || i==wp1) os << <span class="stringliteral">"*"</span>;
<a name="l00178"></a>00178 <a class="code" href="namespaceCVC3.html#afa4d0fe856c97c30a028eb733ddb3a17">printLit</a>(os, lits[i]);
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180 os << <span class="stringliteral">"]"</span>;
<a name="l00181"></a>00181 <span class="keywordflow">return</span> os;
<a name="l00182"></a>00182 }
<a name="l00183"></a>00183
<a name="l00184"></a><a class="code" href="classCVC3_1_1CompactClause.html#abb55c9dc63b8ac52030738cbacea0141">00184</a> <span class="keywordtype">string</span> <a class="code" href="classCVC3_1_1CompactClause.html#abb55c9dc63b8ac52030738cbacea0141">CompactClause::toString</a>()<span class="keyword"> const </span>{
<a name="l00185"></a>00185 ostringstream ss;
<a name="l00186"></a>00186 ss << (*this);
<a name="l00187"></a>00187 <span class="keywordflow">return</span> ss.str();
<a name="l00188"></a>00188 }
<a name="l00189"></a>00189
<a name="l00190"></a>00190 <span class="preprocessor">#ifdef _CVC3_DEBUG_MODE</span>
<a name="l00191"></a>00191 <span class="preprocessor"></span><span class="keywordtype">bool</span> CVC3::Clause::wpCheck()<span class="keyword"> const</span>
<a name="l00192"></a>00192 <span class="keyword"></span>{
<a name="l00193"></a>00193 <span class="keywordflow">if</span> (sat(<span class="keyword">true</span>))
<a name="l00194"></a>00194 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00195"></a>00195 <span class="keywordflow">return</span> (getLiteral(wp(0)).getValue() == 0 && getLiteral(wp(1)).getValue() == 0);
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197 <span class="preprocessor">#endif</span>
<a name="l00198"></a>00198 <span class="preprocessor"></span>
<a name="l00199"></a>00199 } <span class="comment">// end of namespace CVC3</span>
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