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<a class="el" href="dir_000007.html">contrib</a>&nbsp;/&nbsp;<a class="el" href="dir_000008.html">mathsym</a>&nbsp;/&nbsp;<a class="el" href="dir_000029.html">test</a></div>
<h1>testeo.cpp</h1><div class="fragment"><pre class="fragment">00001 <span class="comment">/* </span>
00002 <span class="comment"> * Copyright (C) 2005 Maarten Keijzer</span>
00003 <span class="comment"> *</span>
00004 <span class="comment"> * This program is free software; you can redistribute it and/or modify</span>
00005 <span class="comment"> * it under the terms of version 2 of the GNU General Public License as </span>
00006 <span class="comment"> * published by the Free Software Foundation. </span>
00007 <span class="comment"> *</span>
00008 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
00009 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
00010 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
00011 <span class="comment"> * GNU General Public License for more details.</span>
00012 <span class="comment"> *</span>
00013 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
00014 <span class="comment"> * along with this program; if not, write to the Free Software</span>
00015 <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
00016 <span class="comment"> */</span>
00017
00018
00019 <span class="preprocessor">#include &lt;LanguageTable.h&gt;</span>
00020 <span class="preprocessor">#include &lt;TreeBuilder.h&gt;</span>
00021 <span class="preprocessor">#include &lt;FunDef.h&gt;</span>
00022 <span class="preprocessor">#include &lt;Dataset.h&gt;</span>
00023
00024 <span class="preprocessor">#include &lt;eoSymInit.h&gt;</span>
00025 <span class="preprocessor">#include &lt;eoSym.h&gt;</span>
00026 <span class="preprocessor">#include &lt;eoPop.h&gt;</span>
00027 <span class="preprocessor">#include &lt;eoSymMutate.h&gt;</span>
00028 <span class="preprocessor">#include &lt;eoSymCrossover.h&gt;</span>
00029 <span class="preprocessor">#include &lt;eoSymEval.h&gt;</span>
00030
00031 <span class="keyword">typedef</span> EoSym&lt;double&gt; <a class="code" href="classeo_parse_tree.html">EoType</a>;
00032
00033 <span class="keywordtype">int</span> main() {
00034
00035 LanguageTable table;
00036 table.add_function(sum_token, 2);
00037 table.add_function(prod_token, 2);
00038 table.add_function(inv_token, 1);
00039 table.add_function(min_token, 1);
00040 table.add_function( SymVar(0).token(), 0);
00041
00042 table.add_function(tan_token, 1);
00043
00044 table.add_function(sum_token, 0);
00045 table.add_function(prod_token, 0);
00046
00047 TreeBuilder builder(table);
00048
00049 <a class="code" href="classeo_sym_init.html">eoSymInit&lt;EoType&gt;</a> init(builder);
00050
00051 <a class="code" href="classeo_pop.html">eoPop&lt;EoType&gt;</a> pop(10, init);
00052
00053 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i &lt; pop.size(); ++i) {
00054 <span class="comment">// write out pretty printed</span>
00055 cout &lt;&lt; (Sym) pop[i] &lt;&lt; endl;
00056 }
00057
00058 <a class="code" href="class_biased_node_selector.html">BiasedNodeSelector</a> node_selector;
00059 eoSymSubtreeMutate&lt;EoType&gt; mutate1(builder, node_selector);
00060 eoSymNodeMutate&lt;EoType&gt; mutate2(table);
00061
00062 cout &lt;&lt; <span class="stringliteral">"****** MUTATION ************"</span> &lt;&lt; endl;
00063
00064 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i &lt; pop.size(); ++i) {
00065
00066 cout &lt;&lt; <span class="stringliteral">"Before "</span> &lt;&lt; (Sym) pop[i] &lt;&lt; endl;
00067 mutate1(pop[i]);
00068 cout &lt;&lt; <span class="stringliteral">"After 1 "</span> &lt;&lt; (Sym) pop[i] &lt;&lt; endl;
00069 mutate2(pop[i]);
00070 cout &lt;&lt; <span class="stringliteral">"After 2 "</span> &lt;&lt; (Sym) pop[i] &lt;&lt; endl;
00071 }
00072
00073 cout &lt;&lt; <span class="stringliteral">"****** CROSSOVER ***********"</span> &lt;&lt; endl;
00074
00075 eoQuadSubtreeCrossover&lt;EoType&gt; quad(node_selector);
00076 eoBinSubtreeCrossover&lt;EoType&gt; bin(node_selector);
00077 eoBinHomologousCrossover&lt;EoType&gt; hom;
00078
00079 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i &lt; pop.size()-1; ++i) {
00080 cout &lt;&lt; <span class="stringliteral">"Before "</span> &lt;&lt; (Sym) pop[i] &lt;&lt; endl;
00081 cout &lt;&lt; <span class="stringliteral">"Before "</span> &lt;&lt; (Sym) pop[i+1] &lt;&lt; endl;
00082
00083 hom(pop[i], pop[i+1]);
00084
00085 cout &lt;&lt; <span class="stringliteral">"After hom "</span> &lt;&lt; (Sym) pop[i] &lt;&lt; endl;
00086 cout &lt;&lt; <span class="stringliteral">"After hom "</span> &lt;&lt; (Sym) pop[i+1] &lt;&lt; endl;
00087
00088
00089 quad(pop[i], pop[i+1]);
00090
00091 cout &lt;&lt; <span class="stringliteral">"After quad "</span> &lt;&lt; (Sym) pop[i] &lt;&lt; endl;
00092 cout &lt;&lt; <span class="stringliteral">"After quad "</span> &lt;&lt; (Sym) pop[i+1] &lt;&lt; endl;
00093
00094 bin(pop[i], pop[i+1]);
00095
00096 cout &lt;&lt; <span class="stringliteral">"After bin "</span> &lt;&lt; (Sym) pop[i] &lt;&lt; endl;
00097 cout &lt;&lt; <span class="stringliteral">"After bin "</span> &lt;&lt; (Sym) pop[i+1] &lt;&lt; endl;
00098
00099 cout &lt;&lt; endl;
00100 }
00101
00102 cout &lt;&lt; <span class="stringliteral">"****** Evaluation **********"</span> &lt;&lt; endl;
00103
00104 Dataset dataset;
00105 dataset.load_data(<span class="stringliteral">"test_data.txt"</span>);
00106 IntervalBoundsCheck check(dataset.input_minima(), dataset.input_maxima());
00107 ErrorMeasure measure(dataset, 0.90, ErrorMeasure::mean_squared_scaled);
00108
00109 eoSymPopEval&lt;EoType&gt; evaluator(check, measure, 20000);
00110
00111 <a class="code" href="classeo_pop.html">eoPop&lt;EoType&gt;</a> dummy;
00112 evaluator(pop, dummy);
00113
00114 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i &lt; pop.size(); ++i) {
00115 cout &lt;&lt; pop[i] &lt;&lt; endl;
00116 }
00117
00118 }
00119
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Thu Oct 19 05:06:44 2006 for EO by&nbsp;
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