<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<title>Fast SAT Solver: fss.cpp Source File</title>
<link href="doxygen.css" rel="stylesheet" type="text/css">
<link href="tabs.css" rel="stylesheet" type="text/css">
</head><body>
<!-- Generated by Doxygen 1.5.4 -->
<div class="tabs">
<ul>
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<h1>fss.cpp</h1><a href="fss_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>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (C) 2008 Kamil Dudka <xdudka00@stud.fit.vutbr.cz></span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * This file is part of fss (Fast SAT Solver).</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * fss is free software: you can redistribute it and/or modify</span>
<a name="l00007"></a>00007 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00008"></a>00008 <span class="comment"> * the Free Software Foundation, either version 3 of the License, or</span>
<a name="l00009"></a>00009 <span class="comment"> * any later version.</span>
<a name="l00010"></a>00010 <span class="comment"> *</span>
<a name="l00011"></a>00011 <span class="comment"> * fss is distributed in the hope that it will be useful,</span>
<a name="l00012"></a>00012 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00014"></a>00014 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00015"></a>00015 <span class="comment"> *</span>
<a name="l00016"></a>00016 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00017"></a>00017 <span class="comment"> * along with fss. If not, see <http://www.gnu.org/licenses/>.</span>
<a name="l00018"></a>00018 <span class="comment"> */</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="preprocessor">#include <iostream></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <iomanip></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <string></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <ga/GAParameter.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <ga/GAStatistics.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="fssIO_8h.html" title="I/O module.">fssIO.h</a>"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="SatProblem_8h.html" title="SAT Problem representation.">SatProblem.h</a>"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="BlindSatSolver_8h.html" title="BlindSatSolver class using brute force method to solve SAT problem.">BlindSatSolver.h</a>"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="GaSatSolver_8h.html" title="GaSatSolver class using GAlib library to solve SAT problem.">GaSatSolver.h</a>"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="SatSolverObserver_8h.html" title="Set of useful observers attachable to AbstractSatSolver or its base classes.">SatSolverObserver.h</a>"</span>
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="keyword">using</span> std::string;
<a name="l00032"></a>00032 <span class="keyword">using namespace </span>FastSatSolver;
<a name="l00033"></a>00033 <span class="keyword">using namespace </span>FastSatSolver::StreamDecorator;
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="comment">// Create observer OBSERVER and attach it to subject</span>
<a name="l00036"></a>00036 <span class="keyword">template</span> <
<a name="l00037"></a>00037 <span class="keyword">class </span>OBSERVER,
<a name="l00038"></a>00038 <span class="keyword">class </span>SUBJECT,
<a name="l00039"></a>00039 <span class="keyword">class </span>ARG>
<a name="l00040"></a><a class="code" href="fss_8cpp.html#59e24b8c521c303ca4876a1d456c45c6">00040</a> <span class="keyword">inline</span> OBSERVER* <a class="code" href="fss_8cpp.html#59e24b8c521c303ca4876a1d456c45c6">createAttached</a>(SUBJECT *subject, ARG &arg) {
<a name="l00041"></a>00041 OBSERVER *observer= <span class="keyword">new</span> OBSERVER(subject, arg);
<a name="l00042"></a>00042 subject->addObserver(observer);
<a name="l00043"></a>00043 <span class="keywordflow">return</span> observer;
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045
<a name="l00046"></a><a class="code" href="fss_8cpp.html#0ddf1224851353fc92bfbff6f499fa97">00046</a> <span class="keywordtype">int</span> <a class="code" href="fss-satgen_8cpp.html#0ddf1224851353fc92bfbff6f499fa97">main</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[]) {
<a name="l00047"></a>00047 <span class="keywordflow">if</span> (argc < 3) {
<a name="l00048"></a>00048 std::cerr <<
<a name="l00049"></a>00049 <span class="stringliteral">"Usage\n"</span>
<a name="l00050"></a>00050 <span class="stringliteral">"=====\n"</span>
<a name="l00051"></a>00051 <span class="stringliteral">"fss NAME VALUE [NAME VALUE [NAME VALUE [...]]]\n"</span>
<a name="l00052"></a>00052 <span class="stringliteral">"where NAME is name of parameter and VALUE its value\n"</span>
<a name="l00053"></a>00053 <span class="stringliteral">"\n"</span>
<a name="l00054"></a>00054 <span class="stringliteral">"Possible parameters are (abbreviation in parenthesis)\n"</span>
<a name="l00055"></a>00055 <span class="stringliteral">"=====================================================\n"</span>
<a name="l00056"></a>00056 <span class="stringliteral">"input_file(input)............... File containing SAT problem specification.\n"</span>
<a name="l00057"></a>00057 <span class="stringliteral">" '-' means standard input.\n"</span>
<a name="l00058"></a>00058 <span class="stringliteral">"color_output(color)............. 1/0 turns on/off console colored output.\n"</span>
<a name="l00059"></a>00059 <span class="stringliteral">"verbose_mode(verbose)........... 1/0 turns on/off GAlib verbose mode.\n"</span>
<a name="l00060"></a>00060 <span class="stringliteral">"blind_solver(blind)............. Switch between blind and GA solver.\n"</span>
<a name="l00061"></a>00061 <span class="stringliteral">" 1 means blind solver,\n"</span>
<a name="l00062"></a>00062 <span class="stringliteral">" 0 means GA solver(default).\n"</span>
<a name="l00063"></a>00063 <span class="stringliteral">"step_width(stepw)............... (only for blind solver) granularity of solver's\n"</span>
<a name="l00064"></a>00064 <span class="stringliteral">" notifications and control. Default is 16.\n"</span>
<a name="l00065"></a>00065 <span class="stringliteral">"min_count_of_solutions(minslns). Minimal count of solutions requested.\n"</span>
<a name="l00066"></a>00066 <span class="stringliteral">"max_count_of_solutions(maxslns). Maximal count of solutions to look for.\n"</span>
<a name="l00067"></a>00067 <span class="stringliteral">"max_count_of_runs(maxruns)...... GA is restarted for max. maxruns times if\n"</span>
<a name="l00068"></a>00068 <span class="stringliteral">" not all minslns solutions are found.\n"</span>
<a name="l00069"></a>00069 <span class="stringliteral">"max_time_per_run(maxtime)....... Run is be stopped unconditionally if maxtime\n"</span>
<a name="l00070"></a>00070 <span class="stringliteral">" time is exceed (in miliseconds).\n"</span>
<a name="l00071"></a>00071 <span class="stringliteral">"term_upon_convergence(convterm). 0 -> Run is be stopped after ngen generations.\n"</span>
<a name="l00072"></a>00072 <span class="stringliteral">" 1 -> Run is be stopped upon convergence.\n"</span>
<a name="l00073"></a>00073 <span class="stringliteral">"\n"</span>
<a name="l00074"></a>00074 <span class="stringliteral">"NOTE\n"</span>
<a name="l00075"></a>00075 <span class="stringliteral">"====\n"</span>
<a name="l00076"></a>00076 <span class="stringliteral">"There are more parameters for GA solver. Consider GAlib documentation,\n"</span>
<a name="l00077"></a>00077 <span class="stringliteral">"especially its class GASimpleGA.\n"</span>;
<a name="l00078"></a>00078 <span class="keywordflow">return</span> 1;
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080 <span class="keywordtype">int</span> exitCode = 0;
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="comment">// Used for final clean-up on exit</span>
<a name="l00083"></a>00083 <a class="code" href="classFastSatSolver_1_1SatProblem.html" title="SAT Problem module&#39;s facade.">SatProblem</a> *satProblem = 0;
<a name="l00084"></a>00084 <a class="code" href="classFastSatSolver_1_1AbstractSatSolver.html" title="SAT Solver base class.">AbstractSatSolver</a> *satSolver = 0;
<a name="l00085"></a>00085 <a class="code" href="classFastSatSolver_1_1ProgressWatch.html" title="Observer which write out progress percentage when it is changed.">ProgressWatch</a> *progressWatch = 0;
<a name="l00086"></a>00086 <a class="code" href="classFastSatSolver_1_1SolutionsCountStop.html" title="Observer which stop solver after specified count of solutions is found.">SolutionsCountStop</a> *slnsCountStop = 0;
<a name="l00087"></a>00087 <a class="code" href="classFastSatSolver_1_1TimedStop.html" title="Observer which stops process after specified time.">TimedStop</a> *timedStop = 0;
<a name="l00088"></a>00088 <a class="code" href="classFastSatSolver_1_1FitnessWatch.html" title="Observer which write out message when maxFitness value is increased.">FitnessWatch</a> *fitnessWatch = 0;
<a name="l00089"></a>00089 <a class="code" href="classFastSatSolver_1_1ResultsWatch.html" title="Observer which write out message when solution is found.">ResultsWatch</a> *resultsWatch = 0;
<a name="l00090"></a>00090 <a class="code" href="classFastSatSolver_1_1SatItemVector.html" title="Linear storage container for ISatItem objects.">SatItemVector</a> *results = 0;
<a name="l00091"></a>00091 <span class="keywordflow">try</span> {
<a name="l00092"></a>00092 <span class="comment">// Parse cmd-line parameters</span>
<a name="l00093"></a>00093 GAParameterList params;
<a name="l00094"></a>00094 <span class="comment">// GaSatSolver-specific parameters</span>
<a name="l00095"></a>00095 GaSatSolver::registerDefaultParameters(params);
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="comment">// Default values of parameters</span>
<a name="l00098"></a>00098 <span class="keyword">const</span> <span class="keywordtype">char</span> DEF_INPUT_FILE[] = <span class="stringliteral">""</span>;
<a name="l00099"></a>00099 <span class="keyword">const</span> GABoolean DEF_VERBOSE_MODE = gaFalse;
<a name="l00100"></a>00100 <span class="keyword">const</span> GABoolean DEF_COLOR_OUTPUT = gaFalse;
<a name="l00101"></a>00101 <span class="keyword">const</span> GABoolean DEF_BLIND_SOLVER = gaFalse;
<a name="l00102"></a>00102 <span class="keyword">const</span> <span class="keywordtype">int</span> DEF_MIN_COUNT_OF_SOLUTIONS = 1;
<a name="l00103"></a>00103 <span class="keyword">const</span> <span class="keywordtype">int</span> DEF_MAX_COUNT_OF_SOLUTIONS = 8;
<a name="l00104"></a>00104 <span class="keyword">const</span> <span class="keywordtype">int</span> DEF_MAX_COUNT_OF_RUNS = 8;
<a name="l00105"></a>00105 <span class="keyword">const</span> <span class="keywordtype">int</span> DEF_MAX_TIME_PER_RUN = 0;
<a name="l00106"></a>00106 <span class="keyword">const</span> <span class="keywordtype">int</span> DEF_STEP_WIDTH = 16;
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="comment">// Register extra parameters</span>
<a name="l00109"></a>00109 params.add(<span class="stringliteral">"verbose_mode"</span>, <span class="stringliteral">"verbose"</span>, GAParameter::BOOLEAN, &DEF_VERBOSE_MODE);
<a name="l00110"></a>00110 params.add(<span class="stringliteral">"color_output"</span>, <span class="stringliteral">"color"</span>, GAParameter::BOOLEAN, &DEF_COLOR_OUTPUT);
<a name="l00111"></a>00111 params.add(<span class="stringliteral">"blind_solver"</span>, <span class="stringliteral">"blind"</span>, GAParameter::BOOLEAN, &DEF_BLIND_SOLVER);
<a name="l00112"></a>00112 params.add(<span class="stringliteral">"input_file"</span>, <span class="stringliteral">"input"</span>, GAParameter::STRING, &DEF_INPUT_FILE);
<a name="l00113"></a>00113 params.add(<span class="stringliteral">"min_count_of_solutions"</span>, <span class="stringliteral">"minslns"</span>, GAParameter::INT, &DEF_MIN_COUNT_OF_SOLUTIONS);
<a name="l00114"></a>00114 params.add(<span class="stringliteral">"max_count_of_solutions"</span>, <span class="stringliteral">"maxslns"</span>, GAParameter::INT, &DEF_MAX_COUNT_OF_SOLUTIONS);
<a name="l00115"></a>00115 params.add(<span class="stringliteral">"max_count_of_runs"</span>, <span class="stringliteral">"maxruns"</span>, GAParameter::INT, &DEF_MAX_COUNT_OF_RUNS);
<a name="l00116"></a>00116 params.add(<span class="stringliteral">"max_time_per_run"</span>, <span class="stringliteral">"maxtime"</span>, GAParameter::INT, &DEF_MAX_TIME_PER_RUN);
<a name="l00117"></a>00117 params.add(<span class="stringliteral">"step_width"</span>, <span class="stringliteral">"stepw"</span>, GAParameter::INT, &DEF_STEP_WIDTH);
<a name="l00118"></a>00118
<a name="l00119"></a>00119 <span class="comment">// parse using GAParameterList class</span>
<a name="l00120"></a>00120 params.parse(argc, argv, gaTrue);
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="comment">// true for blind solver, false for GA solver</span>
<a name="l00123"></a>00123 GABoolean useBlindSolver= DEF_BLIND_SOLVER;
<a name="l00124"></a>00124 params.get(<span class="stringliteral">"blind_solver"</span>, &useBlindSolver);
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="comment">// turn on/off color output (using escape squences)</span>
<a name="l00127"></a>00127 GABoolean useColorOutput= DEF_COLOR_OUTPUT;
<a name="l00128"></a>00128 params.get(<span class="stringliteral">"color_output"</span>, &useColorOutput);
<a name="l00129"></a>00129 Color::enable(useColorOutput);
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <span class="comment">// turn on/off GAlib verbose mode</span>
<a name="l00132"></a>00132 GABoolean verboseMode= DEF_VERBOSE_MODE;
<a name="l00133"></a>00133 params.get(<span class="stringliteral">"verbose_mode"</span>, &verboseMode);
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="comment">// Read input file name</span>
<a name="l00136"></a>00136 <span class="keyword">const</span> <span class="keywordtype">char</span> *szFileName=
<a name="l00137"></a>00137 <span class="keyword">static_cast<</span><span class="keyword">const </span><span class="keywordtype">char</span> *<span class="keyword">></span>
<a name="l00138"></a>00138 (params(<span class="stringliteral">"input_file"</span>)->value());
<a name="l00139"></a>00139 <span class="keywordflow">if</span> (0==szFileName)
<a name="l00140"></a>00140 szFileName = DEF_INPUT_FILE;
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="comment">// Minimum of solutions (to declare as solution)</span>
<a name="l00143"></a>00143 <span class="keywordtype">int</span> minSlns= DEF_MIN_COUNT_OF_SOLUTIONS;
<a name="l00144"></a>00144 params.get(<span class="stringliteral">"min_count_of_solutions"</span>, &minSlns);
<a name="l00145"></a>00145 <span class="keywordflow">if</span> (minSlns <= 0) {
<a name="l00146"></a>00146 <a class="code" href="group__fssIO.html#g7532fbb551a0335ad6c5964a0b9a0364" title="Common routine for printing errors.">printError</a>(<span class="stringliteral">"min_count_of_solutions out of range, using default"</span>);
<a name="l00147"></a>00147 minSlns = DEF_MIN_COUNT_OF_SOLUTIONS;
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="comment">// Maximum number of solutions (solver stop when reached)</span>
<a name="l00151"></a>00151 <span class="keywordtype">int</span> maxSlns= DEF_MAX_COUNT_OF_SOLUTIONS;
<a name="l00152"></a>00152 params.get(<span class="stringliteral">"max_count_of_solutions"</span>, &maxSlns);
<a name="l00153"></a>00153 <span class="keywordflow">if</span> (maxSlns <= 0) {
<a name="l00154"></a>00154 <a class="code" href="group__fssIO.html#g7532fbb551a0335ad6c5964a0b9a0364" title="Common routine for printing errors.">printError</a>(<span class="stringliteral">"max_count_of_solutions out of range, using default"</span>);
<a name="l00155"></a>00155 maxSlns = DEF_MAX_COUNT_OF_SOLUTIONS;
<a name="l00156"></a>00156 }
<a name="l00157"></a>00157 <span class="keywordflow">if</span> (maxSlns < minSlns)
<a name="l00158"></a>00158 maxSlns = minSlns;
<a name="l00159"></a>00159
<a name="l00160"></a>00160
<a name="l00161"></a>00161 <span class="comment">// Maximum nuber of runs (if satisfaction is not reachable)</span>
<a name="l00162"></a>00162 <span class="keywordtype">int</span> maxRuns= DEF_MAX_COUNT_OF_RUNS;
<a name="l00163"></a>00163 params.get(<span class="stringliteral">"max_count_of_runs"</span>, &maxRuns);
<a name="l00164"></a>00164 <span class="keywordflow">if</span> (maxRuns <= 0) {
<a name="l00165"></a>00165 <a class="code" href="group__fssIO.html#g7532fbb551a0335ad6c5964a0b9a0364" title="Common routine for printing errors.">printError</a>(<span class="stringliteral">"max_count_of_runs out of range, using default"</span>);
<a name="l00166"></a>00166 maxRuns = DEF_MAX_COUNT_OF_RUNS;
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168
<a name="l00169"></a>00169 <span class="comment">// Maximum time elapsed for one run, 0 means infinity</span>
<a name="l00170"></a>00170 <span class="keywordtype">int</span> maxTime= DEF_MAX_TIME_PER_RUN;
<a name="l00171"></a>00171 params.get(<span class="stringliteral">"max_time_per_run"</span>, &maxTime);
<a name="l00172"></a>00172 <span class="keywordflow">if</span> (maxTime < 0) {
<a name="l00173"></a>00173 <a class="code" href="group__fssIO.html#g7532fbb551a0335ad6c5964a0b9a0364" title="Common routine for printing errors.">printError</a>(<span class="stringliteral">"max_time_per_run out of range, using default"</span>);
<a name="l00174"></a>00174 maxTime = DEF_MAX_TIME_PER_RUN;
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176
<a name="l00177"></a>00177 <span class="comment">// Step width (only for blind solver)</span>
<a name="l00178"></a>00178 <span class="keywordtype">int</span> stepWidth= DEF_STEP_WIDTH;
<a name="l00179"></a>00179 params.get(<span class="stringliteral">"step_width"</span>, &stepWidth);
<a name="l00180"></a>00180 <span class="keywordflow">if</span> (stepWidth <= 0) {
<a name="l00181"></a>00181 <a class="code" href="group__fssIO.html#g7532fbb551a0335ad6c5964a0b9a0364" title="Common routine for printing errors.">printError</a>(<span class="stringliteral">"step_width out of range, using default"</span>);
<a name="l00182"></a>00182 stepWidth = DEF_STEP_WIDTH;
<a name="l00183"></a>00183 }
<a name="l00184"></a>00184
<a name="l00185"></a>00185 <span class="keywordflow">if</span> (useBlindSolver) {
<a name="l00186"></a>00186 <span class="comment">// exclude parameters for blind solver</span>
<a name="l00187"></a>00187 <span class="keywordflow">if</span> (maxRuns != DEF_MAX_COUNT_OF_RUNS) {
<a name="l00188"></a>00188 <a class="code" href="group__fssIO.html#g7532fbb551a0335ad6c5964a0b9a0364" title="Common routine for printing errors.">printError</a>(<span class="stringliteral">"Parameter 'max_count_of_runs' is irrelevant for blind solver"</span>);
<a name="l00189"></a>00189 }
<a name="l00190"></a>00190 maxRuns = 1;
<a name="l00191"></a>00191 } <span class="keywordflow">else</span> {
<a name="l00192"></a>00192 <span class="comment">// exclude parameters for GA solver</span>
<a name="l00193"></a>00193 <span class="keywordflow">if</span> (stepWidth != DEF_STEP_WIDTH) {
<a name="l00194"></a>00194 <a class="code" href="group__fssIO.html#g7532fbb551a0335ad6c5964a0b9a0364" title="Common routine for printing errors.">printError</a>(<span class="stringliteral">"Parameter 'step_width' is irrelevant for GA solver"</span>);
<a name="l00195"></a>00195 stepWidth = DEF_STEP_WIDTH;
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="keywordflow">if</span> (verboseMode)
<a name="l00200"></a>00200 std::cout << <a class="code" href="classFastSatSolver_1_1StreamDecorator_1_1Color.html" title="Console output color manipulator.">Color</a>(<a class="code" href="group__fssIO.html#ggc31db05c6cb5891c704eae374f6926a8c1114f9c564ec65461d5c72c16cbc397">C_CYAN</a>) << params << <a class="code" href="classFastSatSolver_1_1StreamDecorator_1_1Color.html" title="Console output color manipulator.">Color</a>() << std::endl;
<a name="l00201"></a>00201
<a name="l00202"></a>00202 <span class="comment">// Create SAT problem instace</span>
<a name="l00203"></a>00203 satProblem = <span class="keyword">new</span> <a class="code" href="classFastSatSolver_1_1SatProblem.html" title="SAT Problem module&#39;s facade.">SatProblem</a>;
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <span class="comment">// Read input data</span>
<a name="l00206"></a>00206 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> INPUT_STDIN[] = <span class="stringliteral">"-"</span>;
<a name="l00207"></a>00207 <span class="keywordflow">if</span> (0==strcmp(szFileName, INPUT_STDIN))
<a name="l00208"></a>00208 satProblem-><a class="code" href="classFastSatSolver_1_1SatProblem.html#60bbd7b131b3eb0838488828f574fe40" title="Load SAT Problem specification from standard input.">loadFromInput</a>();
<a name="l00209"></a>00209 <span class="keywordflow">else</span>
<a name="l00210"></a>00210 satProblem-><a class="code" href="classFastSatSolver_1_1SatProblem.html#e4a205ad3acbe7e655676a4f31377456" title="Load SAT Problem specification from file.">loadFromFile</a>(szFileName);
<a name="l00211"></a>00211 <span class="keywordflow">if</span> (satProblem-><a class="code" href="classFastSatSolver_1_1SatProblem.html#e9649a3c36b3d2060e9b8bf174f9048e" title="Returns true if SAT Problem is not valid.">hasError</a>())
<a name="l00212"></a>00212 <span class="keywordflow">throw</span> <a class="code" href="classFastSatSolver_1_1GenericException.html" title="Common-usage exception containing error message inside.">GenericException</a>(<span class="stringliteral">"Invalid input data"</span>);
<a name="l00213"></a>00213
<a name="l00214"></a>00214 <span class="comment">// Write out compilation statistics</span>
<a name="l00215"></a>00215 <span class="keyword">const</span> <span class="keywordtype">int</span> varsCount = satProblem-><a class="code" href="classFastSatSolver_1_1SatProblem.html#92e7e3731c3c44467cadeb9038dd4cb9" title="Returns total count of variables managed by SatProblem.">getVarsCount</a>();
<a name="l00216"></a>00216 std::cout << <a class="code" href="classFastSatSolver_1_1StreamDecorator_1_1Color.html" title="Console output color manipulator.">Color</a>(<a class="code" href="group__fssIO.html#ggc31db05c6cb5891c704eae374f6926a816c62555d51f004c61508d482353064d">C_YELLOW</a>) << <span class="stringliteral">"--- Formulas count: "</span> << <a class="code" href="classFastSatSolver_1_1StreamDecorator_1_1Color.html" title="Console output color manipulator.">Color</a>(<a class="code" href="group__fssIO.html#ggc31db05c6cb5891c704eae374f6926a87788537081e1a90985b102bdefa91992">C_RED</a>) << satProblem-><a class="code" href="classFastSatSolver_1_1SatProblem.html#fa9215848a08453610b67d1eb882c641" title="Returns total count of formulas managed by SatProblem.">getFormulasCount</a>() << std::endl;
<a name="l00217"></a>00217 std::cout << <a class="code" href="classFastSatSolver_1_1StreamDecorator_1_1Color.html" title="Console output color manipulator.">Color</a>(<a class="code" href="group__fssIO.html#ggc31db05c6cb5891c704eae374f6926a816c62555d51f004c61508d482353064d">C_YELLOW</a>) << <span class="stringliteral">"--- Variables count: "</span> << <a class="code" href="classFastSatSolver_1_1StreamDecorator_1_1Color.html" title="Console output color manipulator.">Color</a>(<a class="code" href="group__fssIO.html#ggc31db05c6cb5891c704eae374f6926a87788537081e1a90985b102bdefa91992">C_RED</a>) << varsCount << std::endl;
<a name="l00218"></a>00218 std::cout << <a class="code" href="classFastSatSolver_1_1StreamDecorator_1_1Color.html" title="Console output color manipulator.">Color</a>(<a class="code" href="group__fssIO.html#ggc31db05c6cb5891c704eae374f6926a816c62555d51f004c61508d482353064d">C_YELLOW</a>) << <span class="stringliteral">"--- Variables: "</span> << <a class="code" href="classFastSatSolver_1_1StreamDecorator_1_1Color.html" title="Console output color manipulator.">Color</a>();
<a name="l00219"></a>00219 <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i< varsCount; i++) {
<a name="l00220"></a>00220 std::cout << Color(<a class="code" href="group__fssIO.html#ggc31db05c6cb5891c704eae374f6926a87788537081e1a90985b102bdefa91992">C_RED</a>) << satProblem-><a class="code" href="classFastSatSolver_1_1SatProblem.html#139a3f2e63c60e612c649a57ba1ce9dd" title="Returns name of variable with desired index.">getVarName</a>(i) << Color();
<a name="l00221"></a>00221 <span class="keywordflow">if</span> (i==varsCount-1)
<a name="l00222"></a>00222 std::cout << Color() << std::endl;
<a name="l00223"></a>00223 <span class="keywordflow">else</span>
<a name="l00224"></a>00224 std::cout << <span class="stringliteral">", "</span>;
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226
<a name="l00227"></a>00227 <span class="comment">// create desired solver</span>
<a name="l00228"></a>00228 <span class="keywordflow">if</span> (useBlindSolver) {
<a name="l00229"></a>00229
<a name="l00230"></a>00230 <span class="comment">// create blind solver</span>
<a name="l00231"></a>00231 satSolver = <span class="keyword">new</span> <a class="code" href="classFastSatSolver_1_1BlindSatSolver.html" title="Solver using brute force method to solve SAT problem.">BlindSatSolver</a>(satProblem, stepWidth);
<a name="l00232"></a>00232 std::cout << Color(<a class="code" href="group__fssIO.html#ggc31db05c6cb5891c704eae374f6926a8d627db49c0f44dcd2a17519757cabc6e">C_LIGHT_BLUE</a>) << <span class="stringliteral">">>> Using blind solver"</span> << Color() << std::endl;
<a name="l00233"></a>00233
<a name="l00234"></a>00234 <span class="comment">// attach progress indicator</span>
<a name="l00235"></a>00235 <span class="keyword">const</span> <span class="keywordtype">int</span> progressBits = satProblem-><a class="code" href="classFastSatSolver_1_1SatProblem.html#92e7e3731c3c44467cadeb9038dd4cb9" title="Returns total count of variables managed by SatProblem.">getVarsCount</a>()-stepWidth;
<a name="l00236"></a>00236 <span class="keywordflow">if</span> (progressBits > 0) {
<a name="l00237"></a>00237 progressWatch = <span class="keyword">new</span> <a class="code" href="classFastSatSolver_1_1ProgressWatch.html" title="Observer which write out progress percentage when it is changed.">ProgressWatch</a>(satSolver, 1<<progressBits, std::cout);
<a name="l00238"></a>00238 satSolver-><a class="code" href="classFastSatSolver_1_1AbstractSubject.html#05bf56954cced132e03ec548c0557c88" title="Add observer to list of listeners.">addObserver</a>(progressWatch);
<a name="l00239"></a>00239 }
<a name="l00240"></a>00240 } <span class="keywordflow">else</span> {
<a name="l00241"></a>00241
<a name="l00242"></a>00242 <span class="comment">// create GA solver</span>
<a name="l00243"></a>00243 satSolver = GaSatSolver::create(satProblem, params);
<a name="l00244"></a>00244 std::cout << Color(<a class="code" href="group__fssIO.html#ggc31db05c6cb5891c704eae374f6926a8d627db49c0f44dcd2a17519757cabc6e">C_LIGHT_BLUE</a>) << <span class="stringliteral">">>> Using GAlib solver"</span> << Color() << std::endl;
<a name="l00245"></a>00245 }
<a name="l00246"></a>00246
<a name="l00247"></a>00247 <span class="comment">// Display message if maxFitness is increased</span>
<a name="l00248"></a>00248 fitnessWatch = createAttached<FitnessWatch>(satSolver, std::cout);
<a name="l00249"></a>00249
<a name="l00250"></a>00250 <span class="comment">// Display message if solution is discovered</span>
<a name="l00251"></a>00251 resultsWatch = createAttached<ResultsWatch>(satSolver, std::cout);
<a name="l00252"></a>00252
<a name="l00253"></a>00253 <span class="comment">// Stop progress after maxSlns solutions are found</span>
<a name="l00254"></a>00254 slnsCountStop = createAttached<SolutionsCountStop>(satSolver, maxSlns);
<a name="l00255"></a>00255
<a name="l00256"></a>00256 <span class="keywordflow">if</span> (maxTime)
<a name="l00257"></a>00257 <span class="comment">// Run will be stopped if its time exceeds</span>
<a name="l00258"></a>00258 timedStop = createAttached<TimedStop>(satSolver, maxTime);
<a name="l00259"></a>00259
<a name="l00260"></a>00260 <span class="keywordtype">int</span> totalSolutions = 0;
<a name="l00261"></a>00261 <span class="keywordtype">float</span> timeTotal = 0.0;
<a name="l00262"></a>00262 <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i<maxRuns; i++) {
<a name="l00263"></a>00263 <span class="keywordflow">if</span> (1<maxRuns)
<a name="l00264"></a>00264 std::cout << Color(<a class="code" href="group__fssIO.html#ggc31db05c6cb5891c704eae374f6926a83480f1b50ebb454abb68e97ef2fc7035">C_GREEN</a>) << <span class="stringliteral">">>> Run"</span> << std::setw(4) << i+1 << <span class="stringliteral">" of"</span> << std::setw(4) << maxRuns << Color() << std::endl;
<a name="l00265"></a>00265
<a name="l00266"></a>00266 <span class="comment">// Initialization</span>
<a name="l00267"></a>00267 satSolver->reset();
<a name="l00268"></a>00268 fitnessWatch-><a class="code" href="classFastSatSolver_1_1FitnessWatch.html#d20897c5c8bd47f5d4005989bead0e55">reset</a>();
<a name="l00269"></a>00269
<a name="l00270"></a>00270 <span class="comment">// Start progress</span>
<a name="l00271"></a>00271 satSolver->start();
<a name="l00272"></a>00272
<a name="l00273"></a>00273 <span class="comment">// Fetch progresse's results</span>
<a name="l00274"></a>00274 <span class="keyword">delete</span> results;
<a name="l00275"></a>00275 results= satSolver->getSolutionVector();
<a name="l00276"></a>00276 <span class="keyword">const</span> <span class="keywordtype">int</span> runSolutions= results-><a class="code" href="classFastSatSolver_1_1SatItemVector.html#f59b115e86eaeac1f15673766852e428" title="Returns count of item managed by container.">getLength</a>() - totalSolutions;
<a name="l00277"></a>00277 totalSolutions+= runSolutions;
<a name="l00278"></a>00278 <span class="keyword">const</span> <span class="keywordtype">float</span> timeElapsed= satSolver->getTimeElapsed()/1000.0;
<a name="l00279"></a>00279 timeTotal+= timeElapsed;
<a name="l00280"></a>00280 std::cout
<a name="l00281"></a>00281 << Color(<a class="code" href="group__fssIO.html#ggc31db05c6cb5891c704eae374f6926a83480f1b50ebb454abb68e97ef2fc7035">C_GREEN</a>) << <span class="stringliteral">"<<< Found"</span> << std::setw(5) << runSolutions << <span class="stringliteral">" solutions"</span>
<a name="l00282"></a>00282 << <span class="stringliteral">" in "</span> << <a class="code" href="classFastSatSolver_1_1StreamDecorator_1_1FixedFloat.html" title="High-level stream manipulator for fixed floats.">FixedFloat</a>(3,2) << timeElapsed << <span class="stringliteral">" s"</span> << Color() << std::endl;
<a name="l00283"></a>00283 <span class="keywordflow">if</span> (1<maxRuns) std::cout
<a name="l00284"></a>00284 << Color(<a class="code" href="group__fssIO.html#ggc31db05c6cb5891c704eae374f6926a87788537081e1a90985b102bdefa91992">C_RED</a>) << <span class="stringliteral">"<<< Total"</span> << std::setw(5) << totalSolutions << <span class="stringliteral">" solutions"</span>
<a name="l00285"></a>00285 << <span class="stringliteral">" in "</span> << <a class="code" href="classFastSatSolver_1_1StreamDecorator_1_1FixedFloat.html" title="High-level stream manipulator for fixed floats.">FixedFloat</a>(3,2) << timeTotal << <span class="stringliteral">" s"</span> << Color() << std::endl;
<a name="l00286"></a>00286 std::cout << std::endl;
<a name="l00287"></a>00287
<a name="l00288"></a>00288 <span class="keywordflow">if</span> (totalSolutions >= minSlns)
<a name="l00289"></a>00289 <span class="comment">// minSlns reached, cancel rest of runs</span>
<a name="l00290"></a>00290 <span class="keywordflow">break</span>;
<a name="l00291"></a>00291 }
<a name="l00292"></a>00292 std::cout << Color(<a class="code" href="group__fssIO.html#ggc31db05c6cb5891c704eae374f6926a8d627db49c0f44dcd2a17519757cabc6e">C_LIGHT_BLUE</a>);
<a name="l00293"></a>00293 results-><a class="code" href="classFastSatSolver_1_1SatItemVector.html#3c0c3fdc04f467c4dcb62eabb407acc2" title="Human readable container dump.">writeOut</a>(satSolver->getProblem(), std::cout);
<a name="l00294"></a>00294 std::cout << Color() << std::endl;
<a name="l00295"></a>00295
<a name="l00296"></a>00296 <span class="keywordflow">if</span> (verboseMode && !useBlindSolver) {
<a name="l00297"></a>00297 <a class="code" href="classFastSatSolver_1_1GaSatSolver.html" title="Solver using GAlib library to solve SAT problem.">GaSatSolver</a> *gaSolver= <span class="keyword">dynamic_cast<</span><a class="code" href="classFastSatSolver_1_1GaSatSolver.html" title="Solver using GAlib library to solve SAT problem.">GaSatSolver</a> *<span class="keyword">></span>(satSolver);
<a name="l00298"></a>00298 GAStatistics stats= gaSolver-><a class="code" href="classFastSatSolver_1_1GaSatSolver.html#a7b4044638ce63985c719e6f456a8ea5" title="Returns useful statistic data managed by GAStatistics class.">getStatistics</a>();
<a name="l00299"></a>00299 std::cout << std::endl << Color(<a class="code" href="group__fssIO.html#ggc31db05c6cb5891c704eae374f6926a8c1114f9c564ec65461d5c72c16cbc397">C_CYAN</a>) << stats << Color() << std::endl;
<a name="l00300"></a>00300 }
<a name="l00301"></a>00301 }
<a name="l00302"></a>00302 <span class="keywordflow">catch</span> (<a class="code" href="classFastSatSolver_1_1GenericException.html" title="Common-usage exception containing error message inside.">GenericException</a> e) {
<a name="l00303"></a>00303 <a class="code" href="group__fssIO.html#g7532fbb551a0335ad6c5964a0b9a0364" title="Common routine for printing errors.">printError</a>(e.<a class="code" href="classFastSatSolver_1_1GenericException.html#787a8b4145449843adff9e020d9a4ffb">getText</a>());
<a name="l00304"></a>00304 exitCode = 1;
<a name="l00305"></a>00305 }
<a name="l00306"></a>00306 <span class="comment">// Final clean-up</span>
<a name="l00307"></a>00307 <span class="keyword">delete</span> results;
<a name="l00308"></a>00308 <span class="keyword">delete</span> resultsWatch;
<a name="l00309"></a>00309 <span class="keyword">delete</span> fitnessWatch;
<a name="l00310"></a>00310 <span class="keyword">delete</span> timedStop;
<a name="l00311"></a>00311 <span class="keyword">delete</span> slnsCountStop;
<a name="l00312"></a>00312 <span class="keyword">delete</span> progressWatch;
<a name="l00313"></a>00313 <span class="keyword">delete</span> satSolver;
<a name="l00314"></a>00314 <span class="keyword">delete</span> satProblem;
<a name="l00315"></a>00315
<a name="l00316"></a>00316 <span class="keywordflow">return</span> exitCode;
<a name="l00317"></a>00317 }
<a name="l00318"></a>00318
</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Wed Nov 5 22:30:21 2008 for Fast SAT Solver by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.4 </small></address>
</body>
</html>
Back to main page
fss_8cpp-source.html [Download]