c3aec878e5
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@40 331e1502-861f-0410-8da2-ba01fb791d7f
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<a class="el" href="dir_000020.html">app</a> / <a class="el" href="dir_000021.html">gpsymreg</a></div>
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<h1>main.cpp</h1><div class="fragment"><pre class="fragment">00001 <span class="comment">/*</span>
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00002 <span class="comment"> This program is free software; you can redistribute it and/or modify</span>
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00003 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
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00004 <span class="comment"> the Free Software Foundation; either version 2 of the License, or</span>
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00005 <span class="comment"> (at your option) any later version.</span>
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00006 <span class="comment"></span>
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00007 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
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00008 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
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00009 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
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00010 <span class="comment"> Lesser General Public License for more details.</span>
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00011 <span class="comment"></span>
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00012 <span class="comment"> You should have received a copy of the GNU General Public License</span>
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00013 <span class="comment"> along with this library; if not, write to the Free Software</span>
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00014 <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
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00015 <span class="comment"></span>
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00016 <span class="comment"> Contact: todos@geneura.ugr.es, http://geneura.ugr.es</span>
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00017 <span class="comment"> jeggermo@liacs.nl</span>
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00018 <span class="comment">*/</span>
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00019
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00020 <span class="preprocessor">#ifdef _MSC_VER</span>
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00021 <span class="preprocessor"></span><span class="preprocessor">#pragma warning(disable:4786)</span>
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00022 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
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00023 <span class="preprocessor"></span>
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00024 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
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00025 <span class="preprocessor"></span><span class="preprocessor">#include <config.h></span>
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00026 <span class="preprocessor">#endif</span>
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00027 <span class="preprocessor"></span>
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00028 <span class="preprocessor">#include <iostream></span>
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00029 <span class="preprocessor">#include "gp/eoParseTree.h"</span>
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00030 <span class="preprocessor">#include "eo"</span>
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00031
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00032 <span class="keyword">using</span> <span class="keyword">namespace </span>gp_parse_tree;
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00033 <span class="keyword">using</span> <span class="keyword">namespace </span>std;
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00034
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00035 <span class="comment">//-----------------------------------------------------------------------------</span>
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00036
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00037 <span class="preprocessor">#include "node.h"</span>
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00038 <span class="preprocessor">#include "parameters.h"</span>
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00039 <span class="preprocessor">#include "fitness.h"</span>
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00040
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00041
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00042 <span class="comment">// TYPE DECLARATIONS FOR GP</span>
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00043
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00044
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00045 <span class="keyword">typedef</span> <a class="code" href="classeo_parse_tree.html">eoParseTree<FitnessType, Node ></a> <a class="code" href="classeo_parse_tree.html">EoType</a>;
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00046 <span class="keyword">typedef</span> <a class="code" href="classeo_pop.html">eoPop<EoType></a> <a class="code" href="classeo_pop.html">Pop</a>;
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00047
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00048 <span class="comment">//-----------------------------------------------------------------------------</span>
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00049
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00050 <span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[])
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00051 {
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00052
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00053 <span class="comment">// the vector containing the possible nodes</span>
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00054 vector<Node> initSequence;
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00055
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00056 <span class="comment">// initialise parameters</span>
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00057 Parameters parameter(argc, argv);
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00058
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00059 <span class="comment">// set the randomseed</span>
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00060 rng.<a class="code" href="classeo_rng.html#a2">reseed</a>(parameter.randomseed);
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00061
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00062 <span class="comment">// Create a generation counter</span>
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00063 <a class="code" href="classeo_value_param.html">eoValueParam<unsigned></a> generationCounter(0, <span class="stringliteral">"Gen."</span>);
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00064
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00065 <span class="comment">// Create an incrementor (sub-class of eoUpdater). Note that the</span>
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00066 <span class="comment">// parameter's value is passed by reference,</span>
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00067 <span class="comment">// so every time the incrementer is updated (every generation),</span>
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00068 <span class="comment">// the data in generationCounter will change.</span>
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00069 <a class="code" href="classeo_incrementor.html">eoIncrementor<unsigned></a> increment(generationCounter.value());
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00070
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00071
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00072 <span class="comment">// create an instantiation of the fitness/evaluation function</span>
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00073 <span class="comment">// it initializes the initSequence vector</span>
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00074 <span class="comment">// the parameters are passed on as well</span>
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00075 RegFitness eval(generationCounter, initSequence, parameter);
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00076
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00077 <span class="comment">// Depth Initializor, set for Ramped Half and Half Initialization</span>
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00078 <a class="code" href="classeo_parse_tree_depth_init.html">eoParseTreeDepthInit<FitnessType, Node></a> initializer(parameter.InitMaxDepth, initSequence, <span class="keyword">true</span>, <span class="keyword">true</span>);
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00079
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00080 <span class="comment">// create the initial population</span>
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00081 Pop pop(parameter.population_size, initializer);
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00082
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00083 <span class="comment">// and evaluate the individuals</span>
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00084 apply<EoType>(eval, pop);
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00085
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00086 generationCounter.value()++; <span class="comment">// set the generationCounter to 1</span>
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00087
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00088
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00089 <span class="comment">// define X-OVER</span>
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00090
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00091 <a class="code" href="classeo_subtree_x_over.html">eoSubtreeXOver<FitnessType, Node></a> xover(parameter.MaxSize);
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00092
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00093 <span class="comment">// define MUTATION</span>
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00094 <a class="code" href="classeo_branch_mutation.html">eoBranchMutation<FitnessType, Node></a> mutation(initializer, parameter.MaxSize);
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00095 <span class="comment">// eoExpansionMutation<FitnessType, Node> mutation(initializer, parameter.MaxSize);</span>
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00096 <span class="comment">// eoCollapseSubtreeMutation<FitnessType, Node> mutation(initializer, parameter.MaxSize);</span>
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00097 <span class="comment">// eoPointMutation<FitnessType, Node> mutation(initSequence);</span>
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00098 <span class="comment">// eoHoistMutation<FitnessType, Node> mutation;</span>
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00099
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00100 <span class="comment">// The operators are encapsulated into an eoTRansform object,</span>
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00101 <span class="comment">// that performs sequentially crossover and mutation</span>
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00102 <a class="code" href="classeo_s_g_a_transform.html">eoSGATransform<EoType></a> transform(xover, parameter.xover_rate, mutation, parameter.mutation_rate);
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00103
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00104 <span class="comment">// The robust tournament selection</span>
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00105 <span class="comment">// in our case 5-tournament selection</span>
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00106 <a class="code" href="classeo_det_tournament_select.html">eoDetTournamentSelect<EoType></a> selectOne(parameter.tournamentsize);
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00107 <span class="comment">// is now encapsulated in a eoSelectMany</span>
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00108 <a class="code" href="classeo_select_many.html">eoSelectMany<EoType></a> select(selectOne, parameter.offspring_size, eo_is_an_integer);
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00109
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00110 <span class="comment">// and the generational replacement</span>
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00111 <span class="comment">//eoGenerationalReplacement<EoType> replace;</span>
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00112 <span class="comment">// or the SteadtState replacment</span>
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00113 <span class="comment">//eoSSGAWorseReplacement<EoType> replace;</span>
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00114 <span class="comment">// or comma selection</span>
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00115 <a class="code" href="classeo_comma_replacement.html">eoCommaReplacement<EoType></a> replace;
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00116
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00117 <span class="comment">// Terminators</span>
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00118 <a class="code" href="classeo_gen_continue.html">eoGenContinue<EoType></a> term(parameter.nGenerations);
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00119
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00120 <a class="code" href="classeo_check_point.html">eoCheckPoint<EoType></a> checkPoint(term);
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00121
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00122 <span class="comment">// STATISTICS</span>
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00123 <a class="code" href="classeo_average_stat.html">eoAverageStat<EoType></a> avg;
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00124 <a class="code" href="classeo_best_fitness_stat.html">eoBestFitnessStat<EoType></a> best;
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00125
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00126
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00127 <span class="comment">// Add it to the checkpoint,</span>
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00128 <span class="comment">// so the counter is updated (here, incremented) every generation</span>
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00129 checkPoint.add(increment);
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00130 checkPoint.add(avg);
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00131 checkPoint.add(best);
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00132
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00133 <span class="preprocessor">#ifdef HAVE_GNUPLOT</span>
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00134 <span class="preprocessor"></span> <a class="code" href="classeo_gnuplot1_d_monitor.html">eoGnuplot1DMonitor</a> gnuplotmonitor(<span class="stringliteral">"gnuplotBestStats"</span>);
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00135 gnuplotmonitor.add(generationCounter);
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00136 gnuplotmonitor.add(best);
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00137 <span class="comment">// we need to add a empty string variable if we want to seed the second fitness value</span>
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00138 <a class="code" href="classeo_value_param.html">eoValueParam<string></a> dummy1(<span class="stringliteral">""</span>, <span class="stringliteral">"Smallest Tree Size"</span>);
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00139 gnuplotmonitor.add(dummy1);
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00140
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00141 <a class="code" href="classeo_gnuplot1_d_monitor.html">eoGnuplot1DMonitor</a> gnuplotAvgmonitor(<span class="stringliteral">"gnuplotAvgStats"</span>);
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00142 gnuplotAvgmonitor.add(generationCounter);
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00143 gnuplotAvgmonitor.add(avg);
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00144 <span class="comment">// we need to add a empty string variable if we want to seed the second fitness value</span>
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00145 <a class="code" href="classeo_value_param.html">eoValueParam<string></a> dummy2(<span class="stringliteral">""</span>, <span class="stringliteral">"Average Tree Size"</span>);
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00146 gnuplotAvgmonitor.add(dummy2);
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00147
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00148 checkPoint.add(gnuplotmonitor);
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00149 checkPoint.add(gnuplotAvgmonitor);
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00150 <span class="preprocessor">#endif</span>
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00151 <span class="preprocessor"></span> <span class="comment">// GP Generation</span>
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00152 <a class="code" href="classeo_easy_e_a.html">eoEasyEA<EoType></a> gp(checkPoint, eval, select, transform, replace);
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00153
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00154 cout << <span class="stringliteral">"Initialization done"</span> << endl;
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00155
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00156
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00157 <span class="keywordflow">try</span>
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00158 {
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00159 gp(pop);
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00160 }
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00161 <span class="keywordflow">catch</span> (exception& e)
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00162 {
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00163 cout << <span class="stringliteral">"exception: "</span> << e.what() << endl;;
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00164 exit(EXIT_FAILURE);
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00165 }
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00166
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00167 <span class="keywordflow">return</span> 1;
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00168
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00169 };
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00170
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00171
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00172
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</pre></div><hr size="1"><address style="align: right;"><small>Generated on Thu Oct 19 05:06:40 2006 for EO by
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.3.9.1 </small></address>
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