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git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@40 331e1502-861f-0410-8da2-ba01fb791d7f
160 lines
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160 lines
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<h1>t-eogeneration.cpp</h1><div class="fragment"><pre class="fragment">00001 <span class="comment">/* -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-</span>
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00002 <span class="comment"></span>
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00003 <span class="comment"> t-eogeneration.cpp</span>
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00004 <span class="comment"> Testing the eoGeneration classes, and classes related to it</span>
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00005 <span class="comment"></span>
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00006 <span class="comment"> (c) GeNeura Team, 1999, 2000</span>
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00007 <span class="comment"> </span>
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00008 <span class="comment"> This program is free software; you can redistribute it and/or modify</span>
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00009 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
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00010 <span class="comment"> the Free Software Foundation; either version 2 of the License, or</span>
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00011 <span class="comment"> (at your option) any later version.</span>
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00012 <span class="comment"></span>
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00013 <span class="comment"> This program is distributed in the hope that it will be useful,</span>
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00014 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
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00015 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
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00016 <span class="comment"> GNU General Public License for more details.</span>
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00017 <span class="comment"></span>
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00018 <span class="comment"> You should have received a copy of the GNU General Public License</span>
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00019 <span class="comment"> along with this program; if not, write to the Free Software</span>
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00020 <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
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00021 <span class="comment"> </span>
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00022 <span class="comment"> Contact: todos@geneura.ugr.es, http://geneura.ugr.es</span>
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00023 <span class="comment"> </span>
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00024 <span class="comment">*/</span>
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00025
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00026 <span class="comment">//-----------------------------------------------------------------------------// </span>
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00027
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00028
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00029 <span class="comment">// to avoid long name warnings</span>
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00030 <span class="preprocessor">#ifdef _MSC_VER</span>
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00031 <span class="preprocessor"></span><span class="preprocessor">#pragma warning(disable:4786)</span>
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00032 <span class="preprocessor"></span><span class="preprocessor">#endif </span>
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00033 <span class="preprocessor"></span>
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00034 <span class="preprocessor">#include <eoGeneration.h></span>
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00035 <span class="preprocessor">#include <eoEvalFuncPtrCnt.h></span>
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00036
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00037 <span class="preprocessor">#include "binary_value.h"</span>
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00038
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00039 <span class="comment">//-----------------------------------------------------------------------------</span>
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00040
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00041 <span class="keyword">typedef</span> eoBin<float> Chrom;
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00042
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00043 <span class="comment">//-----------------------------------------------------------------------------</span>
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00044
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00045 main()
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00046 {
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00047 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> POP_SIZE = 8, CHROM_SIZE = 16;
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00048 <span class="keywordtype">unsigned</span> i;
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00049
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00050 eoBinRandom<Chrom> random;
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00051 <a class="code" href="classeo_pop.html">eoPop<Chrom></a> pop;
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00052
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00053 <span class="comment">// Evaluation</span>
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00054 <a class="code" href="structeo_eval_func_ptr.html">eoEvalFuncPtr<Chrom></a> eval( binary_value );
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00055
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00056 <span class="keywordflow">for</span> (i = 0; i < POP_SIZE; ++i)
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00057 {
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00058 Chrom chrom(CHROM_SIZE);
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00059 random(chrom);
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00060 eval(chrom);
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00061 pop.push_back(chrom);
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00062 }
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00063
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00064 std::cout << <span class="stringliteral">"population:"</span> << std::endl;
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00065 <span class="keywordflow">for</span> (i = 0; i < pop.size(); ++i)
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00066 std::cout << <span class="stringliteral">"\t"</span> << pop[i] << <span class="stringliteral">" "</span> << pop[i].fitness() << std::endl;
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00067
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00068
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00069 <span class="comment">// selection</span>
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00070 eoLottery<Chrom> lottery;
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00071
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00072 <span class="comment">// breeder</span>
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00073 eoBinBitFlip<Chrom> bitflip;
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00074 eoBinCrossover<Chrom> xover;
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00075 eoProportionalOpSel<Chrom> propSel;
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00076 eoBreeder<Chrom> breeder( propSel );
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00077 propSel.addOp(bitflip, 0.25);
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00078 propSel.addOp(xover, 0.75);
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00079
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00080 <span class="comment">// replacement</span>
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00081 eoInclusion<Chrom> inclusion;
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00082
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00083
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00084
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00085 <span class="comment">// GA generation</span>
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00086 eoGeneration<Chrom> generation(lottery, breeder, inclusion, eval);
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00087
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00088 <span class="comment">// evolution</span>
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00089 <span class="keywordtype">unsigned</span> g = 0;
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00090 <span class="keywordflow">do</span> {
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00091 <span class="keywordflow">try</span>
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00092 {
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00093 generation(pop);
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00094 }
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00095 <span class="keywordflow">catch</span> (std::exception& e)
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00096 {
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00097 std::cout << <span class="stringliteral">"exception: "</span> << e.what() << std::endl;;
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00098 exit(EXIT_FAILURE);
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00099 }
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00100
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00101 std::cout << <span class="stringliteral">"pop["</span> << ++g << <span class="stringliteral">"]"</span> << std::endl;
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00102 <span class="keywordflow">for</span> (i = 0; i < pop.size(); ++i)
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00103 std::cout << <span class="stringliteral">"\t"</span> << pop[i] << <span class="stringliteral">" "</span> << pop[i].fitness() << std::endl;
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00104
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00105 } <span class="keywordflow">while</span> (pop[0].fitness() < pow(2.0, CHROM_SIZE) - 1);
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00106
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00107 <span class="comment">// Try again, with a "counted" evaluation function</span>
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00108 <span class="comment">// GA generation</span>
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00109 <span class="comment">// Evaluation</span>
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00110 eoEvalFuncPtrCnt<Chrom> eval2( binary_value );
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00111 <a class="code" href="classeo_pop.html">eoPop<Chrom></a> pop2;
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00112
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00113 <span class="keywordflow">for</span> (i = 0; i < POP_SIZE; ++i)
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00114 {
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00115 Chrom chrom(CHROM_SIZE);
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00116 random(chrom);
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00117 binary_value(chrom);
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00118 eval2(chrom);
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00119 pop2.push_back(chrom);
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00120 }
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00121 eoGeneration<Chrom> generation2(lottery, breeder, inclusion, eval2);
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00122
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00123 <span class="comment">// evolution</span>
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00124 <span class="keywordflow">do</span> {
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00125 <span class="keywordflow">try</span>
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00126 {
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00127 generation2(pop2);
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00128 }
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00129 <span class="keywordflow">catch</span> (std::exception& e)
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00130 {
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00131 std::cout << <span class="stringliteral">"exception: "</span> << e.what() << std::endl;;
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00132 exit(EXIT_FAILURE);
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00133 }
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00134
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00135 std::cout << <span class="stringliteral">"pop["</span> << ++g << <span class="stringliteral">"]"</span> << std::endl;
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00136 <span class="keywordflow">for</span> (i = 0; i < pop2.size(); ++i)
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00137 std::cout << <span class="stringliteral">"\t"</span> << pop2[i] << <span class="stringliteral">" "</span> << pop[i].fitness() << std::endl;
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00138
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00139 } <span class="keywordflow">while</span> (pop2[0].fitness() < pow(2.0, CHROM_SIZE) - 1);
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00140
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00141 std::cout << <span class="stringliteral">"Number of evaluations "</span> << eval2.getNumOfEvaluations() << std::endl;
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00142 <span class="keywordflow">return</span> 0;
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00143 }
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00144
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00145 <span class="comment">//-----------------------------------------------------------------------------</span>
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</pre></div><hr size="1"><address style="align: right;"><small>Generated on Thu Oct 19 05:06:43 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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