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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>
00002
00003 <span class="comment">//-----------------------------------------------------------------------------</span>
00004 <span class="comment">// gprop.h</span>
00005 <span class="comment">// (c) GeNeura Team 1998</span>
00006 <span class="comment">/*</span>
00007 <span class="comment"> This library is free software; you can redistribute it and/or</span>
00008 <span class="comment"> modify it under the terms of the GNU Lesser General Public</span>
00009 <span class="comment"> License as published by the Free Software Foundation; either</span>
00010 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
00011 <span class="comment"></span>
00012 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
00013 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
00014 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
00015 <span class="comment"> Lesser General Public License for more details.</span>
00016 <span class="comment"></span>
00017 <span class="comment"> You should have received a copy of the GNU Lesser General Public</span>
00018 <span class="comment"> License along with this library; if not, write to the Free Software</span>
00019 <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
00020 <span class="comment"></span>
00021 <span class="comment"> Contact: todos@geneura.ugr.es, http://geneura.ugr.es</span>
00022 <span class="comment"> */</span>
00023 <span class="comment">//-----------------------------------------------------------------------------</span>
00024
00025
00026 <span class="preprocessor">#ifndef gprop_h</span>
00027 <span class="preprocessor"></span><span class="preprocessor">#define gprop_h</span>
00028 <span class="preprocessor"></span>
00029 <span class="comment">//-----------------------------------------------------------------------------</span>
00030
00031 <span class="preprocessor">#include &lt;iostream&gt;</span> <span class="comment">// istream ostream</span>
00032 <span class="preprocessor">#include &lt;iomanip&gt;</span> <span class="comment">// setprecision</span>
00033 <span class="preprocessor">#include &lt;string&gt;</span> <span class="comment">// string</span>
00034 <span class="preprocessor">#include &lt;EO.h&gt;</span> <span class="comment">// EO</span>
00035 <span class="preprocessor">#include &lt;eoOp.h&gt;</span> <span class="comment">// eoMonOp eoQuadraticOp</span>
00036 <span class="preprocessor">#include &lt;eoInit.h&gt;</span> <span class="comment">// eoInit</span>
00037 <span class="preprocessor">#include &lt;utils/rnd_generators.h&gt;</span> <span class="comment">// normal_generator</span>
00038 <span class="preprocessor">#include "mlp.h"</span> <span class="comment">// mlp::net mlp::set</span>
00039 <span class="preprocessor">#include "qp.h"</span> <span class="comment">// qp::set</span>
00040 <span class="preprocessor">#include "mse.h"</span> <span class="comment">// mse::error</span>
00041
00042 <span class="comment">//-----------------------------------------------------------------------------</span>
00043 <span class="comment">// phenotype</span>
00044 <span class="comment">//-----------------------------------------------------------------------------</span>
00045
00046 <span class="keyword">struct </span>phenotype
00047 {
00048 <span class="keywordtype">int</span> trn_ok, val_ok, tst_ok;
00049 <span class="keywordtype">double</span> mse_error;
00050
00051 <span class="keyword">static</span> <span class="keywordtype">int</span> trn_max, val_max, tst_max;
00052
00053 <span class="keyword">friend</span> <span class="keywordtype">bool</span> operator&lt;(<span class="keyword">const</span> phenotype&amp; a, <span class="keyword">const</span> phenotype&amp; b)
00054 {
00055 <span class="keywordflow">return</span> a.val_ok &lt; b.val_ok || !(b.val_ok &lt; a.val_ok) &amp;&amp; b.mse_error &lt; a.mse_error;
00056 }
00057
00058 <span class="keyword">friend</span> <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> phenotype&amp; a, <span class="keyword">const</span> phenotype&amp; b)
00059 {
00060 <span class="keywordflow">return</span> a.val_ok == b.val_ok &amp;&amp; b.mse_error == a.mse_error;
00061 }
00062
00063 <span class="keyword">friend</span> <span class="keywordtype">bool</span> operator&gt;=(<span class="keyword">const</span> phenotype&amp; a, <span class="keyword">const</span> phenotype&amp; b)
00064 {
00065 <span class="keywordflow">return</span> !(a &lt; b);
00066 }
00067
00068 <span class="keyword">friend</span> <span class="keywordtype">bool</span> operator&gt;(<span class="keyword">const</span> phenotype&amp; a, <span class="keyword">const</span> phenotype&amp; b)
00069 {
00070 <span class="keywordflow">return</span> (!(a == b)) &amp;&amp; (!(a &lt; b));
00071 }
00072
00073
00074
00075 <span class="keyword">friend</span> ostream&amp; operator&lt;&lt;(ostream&amp; os, <span class="keyword">const</span> phenotype&amp; p)
00076 {
00077 <span class="keywordflow">return</span> os &lt;&lt; p.trn_ok &lt;&lt; <span class="stringliteral">"/"</span> &lt;&lt; p.trn_max &lt;&lt; <span class="stringliteral">" "</span>
00078 &lt;&lt; p.val_ok &lt;&lt; <span class="stringliteral">"/"</span> &lt;&lt; p.val_max &lt;&lt; <span class="stringliteral">" "</span>
00079 &lt;&lt; p.tst_ok &lt;&lt; <span class="stringliteral">"/"</span> &lt;&lt; p.tst_max &lt;&lt; <span class="stringliteral">" "</span>
00080 &lt;&lt; p.mse_error;
00081 }
00082
00083 <span class="keyword">friend</span> istream&amp; operator&gt;&gt;(istream&amp; is, phenotype&amp; p)
00084 {
00085 <span class="keywordflow">return</span> is; <span class="comment">// complete me</span>
00086 }
00087 };
00088
00089
00090 <span class="keywordtype">int</span> phenotype::trn_max = 0, phenotype::val_max = 0, phenotype::tst_max = 0;
00091
00092 <span class="comment">//-----------------------------------------------------------------------------</span>
00093 <span class="comment">// genotype</span>
00094 <span class="comment">//-----------------------------------------------------------------------------</span>
00095 <span class="preprocessor">#ifndef GPROP_GENOTYPE</span>
00096 <span class="preprocessor"></span><span class="preprocessor">#define GPROP_GENOTYPE mlp::net</span>
00097 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00098 <span class="preprocessor"></span>
00099 <span class="keyword">typedef</span> GPROP_GENOTYPE genotype;
00100
00101 <span class="comment">//-----------------------------------------------------------------------------</span>
00102 <span class="comment">// Chrom</span>
00103 <span class="comment">//-----------------------------------------------------------------------------</span>
00104
00105 <span class="keyword">extern</span> <span class="keywordtype">unsigned</span> in, out, hidden;
00106
00107 <span class="keyword">class </span>Chrom: <span class="keyword">public</span> <a class="code" href="class_e_o.html">EO</a>&lt;phenotype&gt;, <span class="keyword">public</span> genotype
00108 {
00109 <span class="keyword">public</span>:
00110 Chrom(): genotype(in, out, vector&lt;unsigned&gt;(hidden &lt; 1 ? 0 : 1, hidden)) {}
00111
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>; }
00113
00114 <span class="keywordtype">void</span> <a class="code" href="class_e_o.html#z10_2">printOn</a> (ostream&amp; os)<span class="keyword"> const </span>
00115 <span class="keyword"> </span>{
00116 os &lt;&lt; setprecision(3) &lt;&lt; static_cast&lt;genotype&gt;(*this) &lt;&lt; <span class="stringliteral">" \t"</span>
00117 &lt;&lt; <a class="code" href="class_e_o.html#a2">fitness</a>();
00118 <span class="comment">// os &lt;&lt; fitness();</span>
00119 }
00120
00121 <span class="keywordtype">void</span> <a class="code" href="class_e_o.html#z10_1">readFrom</a> (istream&amp; is)
00122 {
00123 invalidate(); <span class="comment">// complete me</span>
00124 }
00125 };
00126
00127 <span class="comment">//-----------------------------------------------------------------------------</span>
00128 <span class="comment">// eoChromInit</span>
00129 <span class="comment">//-----------------------------------------------------------------------------</span>
00130
00131 <span class="keyword">class </span>eoInitChrom: <span class="keyword">public</span> <a class="code" href="classeo_init.html">eoInit</a>&lt;Chrom&gt;
00132 {
00133 <span class="keyword">public</span>:
00134 <span class="keywordtype">void</span> <a class="code" href="classeo_u_f.html#a1">operator()</a>(Chrom&amp; chrom)
00135 {
00136 chrom.reset();
00137 chrom.invalidate();
00138 }
00139 };
00140
00141 <span class="comment">//-----------------------------------------------------------------------------</span>
00142 <span class="comment">// global variables</span>
00143 <span class="comment">//-----------------------------------------------------------------------------</span>
00144
00145 mlp::set *trn_set = 0, *val_set = 0, *tst_set = 0;
00146
00147 <span class="keywordtype">void</span> gprop_use_datasets(mlp::set *trn, mlp::set *val, mlp::set *tst) {
00148 trn_set = trn;
00149 val_set = val;
00150 tst_set = tst;
00151 }
00152
00153 <span class="keywordtype">void</span> ensure_datasets_initialized() {
00154 <span class="keywordflow">if</span> (!trn_set) {
00155 cerr &lt;&lt; <span class="stringliteral">"trn_set is not initialized. Must call gprop_use_datasets before training\n"</span>;
00156 cerr.flush();
00157 abort();
00158 }
00159 }
00160
00161 <span class="comment">//-----------------------------------------------------------------------------</span>
00162 <span class="comment">// eoChromMutation</span>
00163 <span class="comment">//-----------------------------------------------------------------------------</span>
00164
00165 <span class="keyword">class </span>eoChromMutation: <span class="keyword">public</span> <a class="code" href="classeo_mon_op.html">eoMonOp</a>&lt;Chrom&gt;
00166 {
00167 <span class="keyword">public</span>:
00168 <span class="keywordtype">bool</span> <a class="code" href="classeo_u_f.html#a1">operator()</a>(Chrom&amp; chrom)
00169 {
00170 mse::net tmp(chrom);
00171 tmp.train(*trn_set, 10, 0, 0.001);
00172 <span class="keywordflow">return</span> <span class="keyword">true</span>;
00173 }
00174 };
00175
00176 <span class="comment">//-----------------------------------------------------------------------------</span>
00177 <span class="comment">// eoChromXover</span>
00178 <span class="comment">//-----------------------------------------------------------------------------</span>
00179
00180 <span class="keyword">class </span>eoChromXover: <span class="keyword">public</span> <a class="code" href="classeo_quad_op.html">eoQuadOp</a>&lt;Chrom&gt;
00181 {
00182 <span class="keyword">public</span>:
00183 <span class="keywordtype">bool</span> <a class="code" href="classeo_b_f.html#a1">operator()</a>(Chrom&amp; chrom1, Chrom&amp; chrom2)
00184 {
00185 chrom1.normalize();
00186 chrom2.desaturate();
00187
00188 mse::net tmp1(chrom1), tmp2(chrom2);
00189 ensure_datasets_initialized();
00190 tmp1.train(*trn_set, 100, 0, 0.001);
00191 tmp2.train(*trn_set, 100, 0, 0.001);
00192
00193 <span class="keywordflow">return</span> <span class="keyword">true</span>;
00194 }
00195 };
00196
00197 <span class="comment">//-----------------------------------------------------------------------------</span>
00198 <span class="comment">// eoChromEvaluator</span>
00199 <span class="comment">//-----------------------------------------------------------------------------</span>
00200
00201 <span class="keywordtype">int</span> correct(<span class="keyword">const</span> mlp::net&amp; net, <span class="keyword">const</span> mlp::set&amp; set)
00202 {
00203 <span class="keywordtype">int</span> sum = 0;
00204
00205 <span class="keywordflow">for</span> (mlp::set::const_iterator s = set.begin(); s != set.end(); ++s)
00206 {
00207 <span class="keywordtype">unsigned</span> partial = 0;
00208
00209 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i &lt; s-&gt;output.size(); ++i)
00210 <span class="keywordflow">if</span> (s-&gt;output[i] &lt; 0.5 &amp;&amp; net(s-&gt;input)[i] &lt; 0.5 ||
00211 s-&gt;output[i] &gt; 0.5 &amp;&amp; net(s-&gt;input)[i] &gt; 0.5)
00212 ++partial;
00213
00214 <span class="keywordflow">if</span> (partial == s-&gt;output.size())
00215 ++sum;
00216 }
00217
00218 <span class="keywordflow">return</span> sum;
00219 }
00220
00221 phenotype eoChromEvaluator(<span class="keyword">const</span> Chrom&amp; chrom)
00222 {
00223 phenotype p;
00224 ensure_datasets_initialized();
00225 p.trn_ok = correct(chrom, *trn_set);
00226 p.val_ok = correct(chrom, *val_set);
00227 p.tst_ok = correct(chrom, *tst_set);
00228 p.mse_error = mse::error(chrom, *val_set);
00229
00230 <span class="keywordflow">return</span> p;
00231 };
00232
00233 <span class="comment">//-----------------------------------------------------------------------------</span>
00234
00235 <span class="preprocessor">#endif // gprop_h</span>
00236 <span class="preprocessor"></span>
00237 <span class="comment">// Local Variables: </span>
00238 <span class="comment">// mode:C++ </span>
00239 <span class="comment">// End:</span>
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