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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_000023.html">gprop</a></div>
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<h1>gprop.h</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
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00003 <span class="comment">//-----------------------------------------------------------------------------</span>
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00004 <span class="comment">// gprop.h</span>
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00005 <span class="comment">// (c) GeNeura Team 1998</span>
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00006 <span class="comment">/*</span>
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00007 <span class="comment"> This library is free software; you can redistribute it and/or</span>
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00008 <span class="comment"> modify it under the terms of the GNU Lesser General Public</span>
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00009 <span class="comment"> License as published by the Free Software Foundation; either</span>
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00010 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
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00011 <span class="comment"></span>
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00012 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
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00013 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
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00014 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
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00015 <span class="comment"> Lesser General Public License for more details.</span>
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00016 <span class="comment"></span>
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00017 <span class="comment"> You should have received a copy of the GNU Lesser General Public</span>
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00018 <span class="comment"> License along with this library; if not, write to the Free Software</span>
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00019 <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
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00020 <span class="comment"></span>
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00021 <span class="comment"> Contact: todos@geneura.ugr.es, http://geneura.ugr.es</span>
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00022 <span class="comment"> */</span>
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00023 <span class="comment">//-----------------------------------------------------------------------------</span>
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00024
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00025
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00026 <span class="preprocessor">#ifndef gprop_h</span>
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00027 <span class="preprocessor"></span><span class="preprocessor">#define gprop_h</span>
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00028 <span class="preprocessor"></span>
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00029 <span class="comment">//-----------------------------------------------------------------------------</span>
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00030
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00031 <span class="preprocessor">#include <iostream></span> <span class="comment">// istream ostream</span>
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00032 <span class="preprocessor">#include <iomanip></span> <span class="comment">// setprecision</span>
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00033 <span class="preprocessor">#include <string></span> <span class="comment">// string</span>
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00034 <span class="preprocessor">#include <EO.h></span> <span class="comment">// EO</span>
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00035 <span class="preprocessor">#include <eoOp.h></span> <span class="comment">// eoMonOp eoQuadraticOp</span>
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00036 <span class="preprocessor">#include <eoInit.h></span> <span class="comment">// eoInit</span>
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00037 <span class="preprocessor">#include <utils/rnd_generators.h></span> <span class="comment">// normal_generator</span>
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00038 <span class="preprocessor">#include "mlp.h"</span> <span class="comment">// mlp::net mlp::set</span>
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00039 <span class="preprocessor">#include "qp.h"</span> <span class="comment">// qp::set</span>
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00040 <span class="preprocessor">#include "mse.h"</span> <span class="comment">// mse::error</span>
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00041
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00042 <span class="comment">//-----------------------------------------------------------------------------</span>
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00043 <span class="comment">// phenotype</span>
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00044 <span class="comment">//-----------------------------------------------------------------------------</span>
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00045
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00046 <span class="keyword">struct </span>phenotype
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00047 {
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00048 <span class="keywordtype">int</span> trn_ok, val_ok, tst_ok;
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00049 <span class="keywordtype">double</span> mse_error;
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00050
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00051 <span class="keyword">static</span> <span class="keywordtype">int</span> trn_max, val_max, tst_max;
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00052
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00053 <span class="keyword">friend</span> <span class="keywordtype">bool</span> operator<(<span class="keyword">const</span> phenotype& a, <span class="keyword">const</span> phenotype& b)
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00054 {
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00055 <span class="keywordflow">return</span> a.val_ok < b.val_ok || !(b.val_ok < a.val_ok) && b.mse_error < a.mse_error;
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00056 }
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00057
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00058 <span class="keyword">friend</span> <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> phenotype& a, <span class="keyword">const</span> phenotype& b)
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00059 {
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00060 <span class="keywordflow">return</span> a.val_ok == b.val_ok && b.mse_error == a.mse_error;
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00061 }
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00062
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00063 <span class="keyword">friend</span> <span class="keywordtype">bool</span> operator>=(<span class="keyword">const</span> phenotype& a, <span class="keyword">const</span> phenotype& b)
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00064 {
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00065 <span class="keywordflow">return</span> !(a < b);
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00066 }
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00067
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00068 <span class="keyword">friend</span> <span class="keywordtype">bool</span> operator>(<span class="keyword">const</span> phenotype& a, <span class="keyword">const</span> phenotype& b)
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00069 {
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00070 <span class="keywordflow">return</span> (!(a == b)) && (!(a < b));
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00071 }
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00072
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00073
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00074
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00075 <span class="keyword">friend</span> ostream& operator<<(ostream& os, <span class="keyword">const</span> phenotype& p)
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00076 {
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00077 <span class="keywordflow">return</span> os << p.trn_ok << <span class="stringliteral">"/"</span> << p.trn_max << <span class="stringliteral">" "</span>
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00078 << p.val_ok << <span class="stringliteral">"/"</span> << p.val_max << <span class="stringliteral">" "</span>
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00079 << p.tst_ok << <span class="stringliteral">"/"</span> << p.tst_max << <span class="stringliteral">" "</span>
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00080 << p.mse_error;
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00081 }
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00082
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00083 <span class="keyword">friend</span> istream& operator>>(istream& is, phenotype& p)
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00084 {
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00085 <span class="keywordflow">return</span> is; <span class="comment">// complete me</span>
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00086 }
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00087 };
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00088
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00089
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00090 <span class="keywordtype">int</span> phenotype::trn_max = 0, phenotype::val_max = 0, phenotype::tst_max = 0;
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00091
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00092 <span class="comment">//-----------------------------------------------------------------------------</span>
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00093 <span class="comment">// genotype</span>
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00094 <span class="comment">//-----------------------------------------------------------------------------</span>
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00095 <span class="preprocessor">#ifndef GPROP_GENOTYPE</span>
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00096 <span class="preprocessor"></span><span class="preprocessor">#define GPROP_GENOTYPE mlp::net</span>
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00097 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
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00098 <span class="preprocessor"></span>
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00099 <span class="keyword">typedef</span> GPROP_GENOTYPE genotype;
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00100
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00101 <span class="comment">//-----------------------------------------------------------------------------</span>
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00102 <span class="comment">// Chrom</span>
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00103 <span class="comment">//-----------------------------------------------------------------------------</span>
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00104
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00105 <span class="keyword">extern</span> <span class="keywordtype">unsigned</span> in, out, hidden;
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00106
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00107 <span class="keyword">class </span>Chrom: <span class="keyword">public</span> <a class="code" href="class_e_o.html">EO</a><phenotype>, <span class="keyword">public</span> genotype
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00108 {
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00109 <span class="keyword">public</span>:
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00110 Chrom(): genotype(in, out, vector<unsigned>(hidden < 1 ? 0 : 1, hidden)) {}
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00111
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00112 string <a class="code" href="class_e_o.html#z10_0">className</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"Chrom"</span>; }
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00113
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00114 <span class="keywordtype">void</span> <a class="code" href="class_e_o.html#z10_2">printOn</a> (ostream& os)<span class="keyword"> const </span>
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00115 <span class="keyword"> </span>{
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00116 os << setprecision(3) << static_cast<genotype>(*this) << <span class="stringliteral">" \t"</span>
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00117 << <a class="code" href="class_e_o.html#a2">fitness</a>();
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00118 <span class="comment">// os << fitness();</span>
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00119 }
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00120
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00121 <span class="keywordtype">void</span> <a class="code" href="class_e_o.html#z10_1">readFrom</a> (istream& is)
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00122 {
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00123 invalidate(); <span class="comment">// complete me</span>
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00124 }
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00125 };
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00126
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00127 <span class="comment">//-----------------------------------------------------------------------------</span>
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00128 <span class="comment">// eoChromInit</span>
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00129 <span class="comment">//-----------------------------------------------------------------------------</span>
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00130
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00131 <span class="keyword">class </span>eoInitChrom: <span class="keyword">public</span> <a class="code" href="classeo_init.html">eoInit</a><Chrom>
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00132 {
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00133 <span class="keyword">public</span>:
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00134 <span class="keywordtype">void</span> <a class="code" href="classeo_u_f.html#a1">operator()</a>(Chrom& chrom)
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00135 {
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00136 chrom.reset();
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00137 chrom.invalidate();
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00138 }
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00139 };
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00140
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00141 <span class="comment">//-----------------------------------------------------------------------------</span>
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00142 <span class="comment">// global variables</span>
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00143 <span class="comment">//-----------------------------------------------------------------------------</span>
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00144
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00145 mlp::set *trn_set = 0, *val_set = 0, *tst_set = 0;
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00146
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00147 <span class="keywordtype">void</span> gprop_use_datasets(mlp::set *trn, mlp::set *val, mlp::set *tst) {
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00148 trn_set = trn;
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00149 val_set = val;
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00150 tst_set = tst;
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00151 }
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00152
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00153 <span class="keywordtype">void</span> ensure_datasets_initialized() {
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00154 <span class="keywordflow">if</span> (!trn_set) {
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00155 cerr << <span class="stringliteral">"trn_set is not initialized. Must call gprop_use_datasets before training\n"</span>;
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00156 cerr.flush();
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00157 abort();
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00158 }
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00159 }
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00160
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00161 <span class="comment">//-----------------------------------------------------------------------------</span>
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00162 <span class="comment">// eoChromMutation</span>
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00163 <span class="comment">//-----------------------------------------------------------------------------</span>
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00164
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00165 <span class="keyword">class </span>eoChromMutation: <span class="keyword">public</span> <a class="code" href="classeo_mon_op.html">eoMonOp</a><Chrom>
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00166 {
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00167 <span class="keyword">public</span>:
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00168 <span class="keywordtype">bool</span> <a class="code" href="classeo_u_f.html#a1">operator()</a>(Chrom& chrom)
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00169 {
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00170 mse::net tmp(chrom);
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00171 tmp.train(*trn_set, 10, 0, 0.001);
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00172 <span class="keywordflow">return</span> <span class="keyword">true</span>;
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00173 }
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00174 };
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00175
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00176 <span class="comment">//-----------------------------------------------------------------------------</span>
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00177 <span class="comment">// eoChromXover</span>
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00178 <span class="comment">//-----------------------------------------------------------------------------</span>
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00179
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00180 <span class="keyword">class </span>eoChromXover: <span class="keyword">public</span> <a class="code" href="classeo_quad_op.html">eoQuadOp</a><Chrom>
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00181 {
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00182 <span class="keyword">public</span>:
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00183 <span class="keywordtype">bool</span> <a class="code" href="classeo_b_f.html#a1">operator()</a>(Chrom& chrom1, Chrom& chrom2)
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00184 {
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00185 chrom1.normalize();
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00186 chrom2.desaturate();
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00187
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00188 mse::net tmp1(chrom1), tmp2(chrom2);
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00189 ensure_datasets_initialized();
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00190 tmp1.train(*trn_set, 100, 0, 0.001);
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00191 tmp2.train(*trn_set, 100, 0, 0.001);
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00192
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00193 <span class="keywordflow">return</span> <span class="keyword">true</span>;
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00194 }
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00195 };
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00196
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00197 <span class="comment">//-----------------------------------------------------------------------------</span>
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00198 <span class="comment">// eoChromEvaluator</span>
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00199 <span class="comment">//-----------------------------------------------------------------------------</span>
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00200
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00201 <span class="keywordtype">int</span> correct(<span class="keyword">const</span> mlp::net& net, <span class="keyword">const</span> mlp::set& set)
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00202 {
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00203 <span class="keywordtype">int</span> sum = 0;
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00204
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00205 <span class="keywordflow">for</span> (mlp::set::const_iterator s = set.begin(); s != set.end(); ++s)
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00206 {
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00207 <span class="keywordtype">unsigned</span> partial = 0;
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00208
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00209 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < s->output.size(); ++i)
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00210 <span class="keywordflow">if</span> (s->output[i] < 0.5 && net(s->input)[i] < 0.5 ||
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00211 s->output[i] > 0.5 && net(s->input)[i] > 0.5)
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00212 ++partial;
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00213
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00214 <span class="keywordflow">if</span> (partial == s->output.size())
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00215 ++sum;
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00216 }
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00217
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00218 <span class="keywordflow">return</span> sum;
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00219 }
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00220
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00221 phenotype eoChromEvaluator(<span class="keyword">const</span> Chrom& chrom)
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00222 {
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00223 phenotype p;
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00224 ensure_datasets_initialized();
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00225 p.trn_ok = correct(chrom, *trn_set);
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00226 p.val_ok = correct(chrom, *val_set);
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00227 p.tst_ok = correct(chrom, *tst_set);
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00228 p.mse_error = mse::error(chrom, *val_set);
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00229
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00230 <span class="keywordflow">return</span> p;
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00231 };
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00232
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00233 <span class="comment">//-----------------------------------------------------------------------------</span>
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00234
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00235 <span class="preprocessor">#endif // gprop_h</span>
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00236 <span class="preprocessor"></span>
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00237 <span class="comment">// Local Variables: </span>
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00238 <span class="comment">// mode:C++ </span>
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00239 <span class="comment">// End:</span>
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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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