c3aec878e5
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@40 331e1502-861f-0410-8da2-ba01fb791d7f
408 lines
27 KiB
HTML
408 lines
27 KiB
HTML
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<title>EO: symreg.cpp Source File</title>
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<a class="qindex" href="main.html">Main Page</a> | <a class="qindex" href="modules.html">Modules</a> | <a class="qindex" href="namespaces.html">Namespace List</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="classes.html">Alphabetical List</a> | <a class="qindex" href="annotated.html">Class List</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="namespacemembers.html">Namespace Members</a> | <a class="qindex" href="functions.html">Class Members</a> | <a class="qindex" href="pages.html">Related Pages</a> | <span class="search"><u>S</u>earch for <input class="search" type="text" name="query" value="" size="20" accesskey="s"/></span></form></div>
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<a class="el" href="dir_000007.html">contrib</a> / <a class="el" href="dir_000008.html">mathsym</a></div>
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<h1>symreg.cpp</h1><div class="fragment"><pre class="fragment">00001 <span class="comment">/* </span>
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00002 <span class="comment"> * Copyright (C) 2005 Maarten Keijzer</span>
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00003 <span class="comment"> *</span>
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00004 <span class="comment"> * This program is free software; you can redistribute it and/or modify</span>
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00005 <span class="comment"> * it under the terms of version 2 of the GNU General Public License as </span>
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00006 <span class="comment"> * published by the Free Software Foundation. </span>
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00007 <span class="comment"> *</span>
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00008 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
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00009 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
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00010 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
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00011 <span class="comment"> * GNU General Public License for more details.</span>
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00012 <span class="comment"> *</span>
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00013 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
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00014 <span class="comment"> * along with this program; if not, write to the Free Software</span>
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00015 <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
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00016 <span class="comment"> */</span>
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00017
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00018
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00019 <span class="preprocessor">#include <LanguageTable.h></span>
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00020 <span class="preprocessor">#include <TreeBuilder.h></span>
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00021 <span class="preprocessor">#include <FunDef.h></span>
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00022 <span class="preprocessor">#include <Dataset.h></span>
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00023
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00024 <span class="preprocessor">#include <eoSymInit.h></span>
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00025 <span class="preprocessor">#include <eoSym.h></span>
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00026 <span class="preprocessor">#include <eoPop.h></span>
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00027 <span class="preprocessor">#include <eoSymMutate.h></span>
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00028 <span class="comment">//#include <eoSymLambdaMutate.h></span>
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00029 <span class="preprocessor">#include <eoSymCrossover.h></span>
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00030 <span class="preprocessor">#include <eoSymEval.h></span>
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00031 <span class="preprocessor">#include <eoOpContainer.h></span>
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00032 <span class="preprocessor">#include <eoDetTournamentSelect.h></span>
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00033 <span class="preprocessor">#include <eoMergeReduce.h></span>
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00034 <span class="preprocessor">#include <eoGenContinue.h></span>
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00035 <span class="preprocessor">#include <eoEasyEA.h></span>
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00036 <span class="preprocessor">#include <eoGeneralBreeder.h></span>
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00037
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00038 <span class="preprocessor">#include <utils/eoParser.h></span>
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00039 <span class="preprocessor">#include <utils/eoCheckPoint.h></span>
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00040 <span class="preprocessor">#include <utils/eoStat.h></span>
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00041 <span class="preprocessor">#include <utils/eoStdoutMonitor.h></span>
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00042 <span class="preprocessor">#include <utils/eoRNG.h></span>
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00043
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00044 <span class="keyword">using</span> <span class="keyword">namespace </span>std;
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00045
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00046 <span class="keyword">typedef</span> EoSym<eoMinimizingFitness> <a class="code" href="classeo_parse_tree.html">EoType</a>;
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00047
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00048 <span class="keyword">static</span> <span class="keywordtype">int</span> functions_added = 0;
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00049
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00050 <span class="keywordtype">void</span> add_function(LanguageTable& table, eoParser& parser, string name, <span class="keywordtype">unsigned</span> arity, token_t token, <span class="keyword">const</span> FunDef& fun);
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00051 <span class="keywordtype">void</span> setup_language(LanguageTable& table, eoParser& parser);
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00052
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00053 <span class="keyword">template</span> <<span class="keyword">class</span> T>
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00054 T& select(<span class="keywordtype">bool</span> check, T& a, T& b) { <span class="keywordflow">if</span> (check) <span class="keywordflow">return</span> a; <span class="keywordflow">return</span> b; }
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00055
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00056 <span class="keyword">class </span>eoBestIndividualStat : <span class="keyword">public</span> <a class="code" href="classeo_sorted_stat.html">eoSortedStat</a><EoType, string> {
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00057 <span class="keyword">public</span>:
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00058 eoBestIndividualStat() : <a class="code" href="classeo_sorted_stat.html">eoSortedStat</a><EoType, string>(<span class="stringliteral">""</span>, <span class="stringliteral">"best individual"</span>) {}
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00059
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00060 <span class="keywordtype">void</span> <a class="code" href="classeo_u_f.html#a1">operator()</a>(<span class="keyword">const</span> vector<const EoType*>& _pop) {
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00061 ostringstream os;
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00062 os << (Sym) *_pop[0];
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00063 <a class="code" href="classeo_value_param.html#a2">value</a>() = os.str();
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00064 }
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00065
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00066 };
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00067
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00068 <span class="keyword">class </span>AverageSizeStat : <span class="keyword">public</span> <a class="code" href="classeo_stat.html">eoStat</a><EoType, double> {
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00069 <span class="keyword">public</span>:
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00070 AverageSizeStat() : <a class="code" href="classeo_stat.html">eoStat</a><EoType, double>(0.0, <span class="stringliteral">"Average size population"</span>) {}
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00071
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00072 <span class="keywordtype">void</span> <a class="code" href="classeo_u_f.html#a1">operator()</a>(<span class="keyword">const</span> <a class="code" href="classeo_pop.html">eoPop<EoType></a>& _pop) {
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00073 <span class="keywordtype">double</span> total = 0.0;
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00074 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < _pop.size(); ++i) {
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00075 total += _pop[i].size();
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00076 }
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00077 <a class="code" href="classeo_value_param.html#a2">value</a>() = total/_pop.size();
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00078 }
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00079 };
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00080
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00081 <span class="keyword">class </span>SumSizeStat : <span class="keyword">public</span> <a class="code" href="classeo_stat.html">eoStat</a><EoType, unsigned> {
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00082 <span class="keyword">public</span>:
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00083 SumSizeStat() : <a class="code" href="classeo_stat.html">eoStat</a><EoType, unsigned>(0u, <span class="stringliteral">"Number of subtrees"</span>) {}
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00084
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00085 <span class="keywordtype">void</span> <a class="code" href="classeo_u_f.html#a1">operator()</a>(<span class="keyword">const</span> <a class="code" href="classeo_pop.html">eoPop<EoType></a>& _pop) {
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00086 <span class="keywordtype">unsigned</span> total = 0;
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00087 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < _pop.size(); ++i) {
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00088 total += _pop[i].size();
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00089 }
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00090 <a class="code" href="classeo_value_param.html#a2">value</a>() = total;
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00091 }
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00092 };
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00093
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00094 <span class="keyword">class </span>DagSizeStat : <span class="keyword">public</span> <a class="code" href="classeo_stat.html">eoStat</a><EoType, unsigned> {
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00095 <span class="keyword">public</span>:
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00096 DagSizeStat() : <a class="code" href="classeo_stat.html">eoStat</a><EoType, unsigned>(0u, <span class="stringliteral">"Number of distinct subtrees"</span>) {}
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00097
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00098 <span class="keywordtype">void</span> <a class="code" href="classeo_u_f.html#a1">operator()</a>(<span class="keyword">const</span> <a class="code" href="classeo_pop.html">eoPop<EoType></a>& _pop) {
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00099 <a class="code" href="classeo_value_param.html#a2">value</a>() = Sym::get_dag().size();
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00100 }
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00101 };
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00102
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00103 <span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span>* argv[]) {
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00104
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00105 eoParser parser(argc, argv);
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00106
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00107 <span class="comment">/* Language */</span>
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00108 LanguageTable table;
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00109 setup_language(table, parser);
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00110
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00111 <span class="comment">/* Data */</span>
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00112
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00113 <a class="code" href="classeo_value_param.html">eoValueParam<string></a> datafile = parser.createParam(string(<span class="stringliteral">""</span>), <span class="stringliteral">"datafile"</span>, <span class="stringliteral">"Training data"</span>, <span class="charliteral">'d'</span>, string(<span class="stringliteral">"Regression"</span>), <span class="keyword">true</span>); <span class="comment">// mandatory </span>
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00114 <span class="keywordtype">double</span> train_percentage = parser.createParam(1.0, <span class="stringliteral">"trainperc"</span>, <span class="stringliteral">"Percentage of data used for training"</span>, 0, string(<span class="stringliteral">"Regression"</span>)).value();
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00115
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00116 <span class="comment">/* Population */</span>
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00117
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00118 <span class="keywordtype">unsigned</span> pop_size = parser.createParam(1500u, <span class="stringliteral">"population-size"</span>, <span class="stringliteral">"Population Size"</span>, <span class="charliteral">'p'</span>, string(<span class="stringliteral">"Population"</span>)).<a class="code" href="classeo_value_param.html#a2">value</a>();
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00119
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00120 uint32_t seed = parser.createParam( uint32_t(time(0)), <span class="stringliteral">"random-seed"</span>, <span class="stringliteral">"Seed for rng"</span>, <span class="charliteral">'D'</span>).<a class="code" href="classeo_value_param.html#a2">value</a>();
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00121
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00122 cout << <span class="stringliteral">"Seed "</span> << seed << endl;
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00123 rng.<a class="code" href="classeo_rng.html#a2">reseed</a>(seed);
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00124
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00125 <span class="keywordtype">double</span> var_prob = parser.createParam(
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00126 0.9,
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00127 <span class="stringliteral">"var-prob"</span>,
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00128 <span class="stringliteral">"Probability of selecting a var vs. const when creating a terminal"</span>,
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00129 0,
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00130 <span class="stringliteral">"Population"</span>).value();
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00131
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00132
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00133 <span class="keywordtype">double</span> grow_prob = parser.createParam(
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00134 0.5,
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00135 <span class="stringliteral">"grow-prob"</span>,
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00136 <span class="stringliteral">"Probability of selecting 'grow' method instead of 'full' in initialization and mutation"</span>,
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00137 0,
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00138 <span class="stringliteral">"Population"</span>).value();
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00139
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00140 <span class="keywordtype">unsigned</span> max_depth = parser.createParam(
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00141 8u,
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00142 <span class="stringliteral">"max-depth"</span>,
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00143 <span class="stringliteral">"Maximum depth used in initialization and mutation"</span>,
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00144 0,
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00145 <span class="stringliteral">"Population"</span>).value();
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00146
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00147
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00148 <span class="keywordtype">bool</span> use_uniform = parser.createParam(
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00149 <span class="keyword">false</span>,
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00150 <span class="stringliteral">"use-uniform"</span>,
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00151 <span class="stringliteral">"Use uniform node selection instead of bias towards internal nodes (functions)"</span>,
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00152 0,
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00153 <span class="stringliteral">"Population"</span>).value();
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00154
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00155 <span class="keywordtype">double</span> constant_mut_prob = parser.createParam(
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00156 0.1,
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00157 <span class="stringliteral">"constant-mut-rate"</span>,
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00158 <span class="stringliteral">"Probability of performing constant mutation"</span>,
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00159 0,
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00160 <span class="stringliteral">"Population"</span>).value();
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00161
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00162
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00163 <span class="keywordtype">double</span> subtree_mut_prob = parser.createParam(
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00164 0.2,
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00165 <span class="stringliteral">"subtree-mut-rate"</span>,
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00166 <span class="stringliteral">"Probability of performing subtree mutation"</span>,
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00167 0,
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00168 <span class="stringliteral">"Population"</span>).value();
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00169
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00170 <span class="keywordtype">double</span> node_mut_prob = parser.createParam(
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00171 0.2,
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00172 <span class="stringliteral">"node-mut-rate"</span>,
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00173 <span class="stringliteral">"Probability of performing node mutation"</span>,
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00174 0,
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00175 <span class="stringliteral">"Population"</span>).value();
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00176
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00177 <span class="comment">/* double lambda_mut_prob = parser.createParam(</span>
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00178 <span class="comment"> 1.0,</span>
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00179 <span class="comment"> "lambda-mut-rate",</span>
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00180 <span class="comment"> "Probability of performing (neutral) lambda extraction/expansion",</span>
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00181 <span class="comment"> 0,</span>
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00182 <span class="comment"> "Population").value();</span>
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00183 <span class="comment">*/</span>
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00184 <span class="keywordtype">double</span> subtree_xover_prob = parser.createParam(
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00185 0.4,
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00186 <span class="stringliteral">"xover-rate"</span>,
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00187 <span class="stringliteral">"Probability of performing subtree crossover"</span>,
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00188 0,
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00189 <span class="stringliteral">"Population"</span>).value();
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00190
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00191 <span class="keywordtype">double</span> homologous_prob = parser.createParam(
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00192 0.4,
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00193 <span class="stringliteral">"homologous-rate"</span>,
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00194 <span class="stringliteral">"Probability of performing homologous crossover"</span>,
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00195 0,
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00196 <span class="stringliteral">"Population"</span>).value();
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00197
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00198 <span class="keywordtype">unsigned</span> max_gens = parser.createParam(
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00199 50,
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00200 <span class="stringliteral">"max-gens"</span>,
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00201 <span class="stringliteral">"Maximum number of generations to run"</span>,
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00202 <span class="charliteral">'g'</span>,
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00203 <span class="stringliteral">"Population"</span>).value();
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00204
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00205 <span class="keywordtype">unsigned</span> tournamentsize = parser.createParam(
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00206 5,
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00207 <span class="stringliteral">"tournament-size"</span>,
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00208 <span class="stringliteral">"Tournament size used for selection"</span>,
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00209 <span class="charliteral">'t'</span>,
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00210 <span class="stringliteral">"Population"</span>).value();
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00211
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00212 <span class="keywordtype">unsigned</span> maximumSize = parser.createParam(
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00213 -1u,
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00214 <span class="stringliteral">"maximum-size"</span>,
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00215 <span class="stringliteral">"Maximum size after crossover"</span>,
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00216 <span class="charliteral">'s'</span>,
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00217 <span class="stringliteral">"Population"</span>).value();
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00218
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00219 <span class="keywordtype">unsigned</span> meas_param = parser.createParam(
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00220 2u,
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00221 <span class="stringliteral">"measure"</span>,
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00222 <span class="stringliteral">"Error measure:\n\</span>
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00223 <span class="stringliteral"> 0 -> absolute error\n\</span>
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00224 <span class="stringliteral"> 1 -> mean squared error\n\</span>
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00225 <span class="stringliteral"> 2 -> mean squared error scaled (equivalent with correlation)\n\</span>
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00226 <span class="stringliteral"> "</span>,
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00227 <span class="charliteral">'m'</span>,
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00228 <span class="stringliteral">"Regression"</span>).value();
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00229
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00230
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00231 ErrorMeasure::measure meas = ErrorMeasure::mean_squared_scaled;
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00232 <span class="keywordflow">if</span> (meas_param == 0) meas = ErrorMeasure::absolute;
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00233 <span class="keywordflow">if</span> (meas_param == 1) meas = ErrorMeasure::mean_squared;
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00234
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00235
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00236 <span class="comment">/* End parsing */</span>
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00237 <span class="keywordflow">if</span> (parser.userNeedsHelp())
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00238 {
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00239 parser.printHelp(std::cout);
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00240 <span class="keywordflow">return</span> 1;
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00241 }
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00242
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00243 <span class="keywordflow">if</span> (functions_added == 0) {
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00244 cout << <span class="stringliteral">"ERROR: no functions defined"</span> << endl;
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00245 exit(1);
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00246 }
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00247
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00248
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00249 Dataset dataset;
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00250 dataset.load_data(datafile.<a class="code" href="classeo_value_param.html#a2">value</a>());
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00251
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00252 cout << <span class="stringliteral">"Data "</span> << datafile.<a class="code" href="classeo_value_param.html#a2">value</a>() << <span class="stringliteral">" loaded "</span> << endl;
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00253
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00254 <span class="comment">/* Add Variables */</span>
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00255 <span class="keywordtype">unsigned</span> nvars = dataset.n_fields();
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00256 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < nvars; ++i) {
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00257 table.add_function( SymVar(i).token(), 0);
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00258 }
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00259
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00260 TreeBuilder builder(table, var_prob);
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00261 <a class="code" href="classeo_sym_init.html">eoSymInit<EoType></a> init(builder, grow_prob, max_depth);
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00262
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00263 <a class="code" href="classeo_pop.html">eoPop<EoType></a> pop(pop_size, init);
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00264
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00265 <a class="code" href="class_biased_node_selector.html">BiasedNodeSelector</a> biased_sel;
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00266 <a class="code" href="class_random_node_selector.html">RandomNodeSelector</a> random_sel;
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00267
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00268 <a class="code" href="class_node_selector.html">NodeSelector</a>& node_selector = select<NodeSelector>(use_uniform, random_sel, biased_sel);
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00269
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00270 <span class="comment">//eoProportionalOp<EoType> genetic_operator;</span>
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00271 <a class="code" href="classeo_sequential_op.html">eoSequentialOp<EoType></a> genetic_operator;
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00272
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00273 eoSymSubtreeMutate<EoType> submutate(builder, node_selector);
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00274 genetic_operator.<a class="code" href="classeo_op_container.html#a3">add</a>( submutate, subtree_mut_prob);
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00275
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00276 <span class="comment">// todo, make this parameter, etc</span>
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00277 <span class="keywordtype">double</span> std = 0.01;
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00278 eoSymConstantMutate<EoType> constmutate(std);
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00279 genetic_operator.<a class="code" href="classeo_op_container.html#a3">add</a>(constmutate, constant_mut_prob);
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00280
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00281 eoSymNodeMutate<EoType> nodemutate(table);
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00282 genetic_operator.<a class="code" href="classeo_op_container.html#a3">add</a>(nodemutate, node_mut_prob);
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00283
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00284 <span class="comment">// eoSymLambdaMutate<EoType> lambda_mutate(node_selector);</span>
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00285 <span class="comment">// genetic_operator.add(lambda_mutate, lambda_mut_prob); // TODO: prob should be settable</span>
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00286
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00287 <span class="comment">//eoQuadSubtreeCrossover<EoType> quad(node_selector);</span>
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00288 eoBinSubtreeCrossover<EoType> bin(node_selector);
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00289 genetic_operator.<a class="code" href="classeo_op_container.html#a3">add</a>(bin, subtree_xover_prob);
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00290
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00291 eoBinHomologousCrossover<EoType> hom;
|
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00292 genetic_operator.<a class="code" href="classeo_op_container.html#a3">add</a>(hom, homologous_prob);
|
|
00293
|
|
00294
|
|
00295 IntervalBoundsCheck check(dataset.input_minima(), dataset.input_maxima());
|
|
00296 ErrorMeasure measure(dataset, train_percentage, meas);
|
|
00297
|
|
00298 eoSymPopEval<EoType> evaluator(check, measure, maximumSize);
|
|
00299
|
|
00300 <a class="code" href="classeo_det_tournament_select.html">eoDetTournamentSelect<EoType></a> selectOne(tournamentsize);
|
|
00301 <a class="code" href="classeo_general_breeder.html">eoGeneralBreeder<EoType></a> breeder(selectOne, genetic_operator);
|
|
00302 <a class="code" href="classeo_plus_replacement.html">eoPlusReplacement<EoType></a> replace;
|
|
00303
|
|
00304 <span class="comment">// Terminators</span>
|
|
00305 <a class="code" href="classeo_gen_continue.html">eoGenContinue<EoType></a> term(max_gens);
|
|
00306 <a class="code" href="classeo_check_point.html">eoCheckPoint<EoType></a> checkpoint(term);
|
|
00307
|
|
00308 <a class="code" href="classeo_best_fitness_stat.html">eoBestFitnessStat<EoType></a> beststat;
|
|
00309 checkpoint.<a class="code" href="classeo_op_container.html#a3">add</a>(beststat);
|
|
00310
|
|
00311 eoBestIndividualStat printer;
|
|
00312 AverageSizeStat avgSize;
|
|
00313 DagSizeStat dagSize;
|
|
00314 SumSizeStat sumSize;
|
|
00315
|
|
00316 checkpoint.<a class="code" href="classeo_op_container.html#a3">add</a>(printer);
|
|
00317 checkpoint.<a class="code" href="classeo_op_container.html#a3">add</a>(avgSize);
|
|
00318 checkpoint.<a class="code" href="classeo_op_container.html#a3">add</a>(dagSize);
|
|
00319 checkpoint.<a class="code" href="classeo_op_container.html#a3">add</a>(sumSize);
|
|
00320
|
|
00321 <a class="code" href="classeo_stdout_monitor.html">eoStdoutMonitor</a> genmon;
|
|
00322 genmon.<a class="code" href="classeo_monitor.html#a1">add</a>(beststat);
|
|
00323 genmon.<a class="code" href="classeo_monitor.html#a1">add</a>(printer);
|
|
00324 genmon.<a class="code" href="classeo_monitor.html#a1">add</a>(avgSize);
|
|
00325 genmon.<a class="code" href="classeo_monitor.html#a1">add</a>(dagSize);
|
|
00326 genmon.<a class="code" href="classeo_monitor.html#a1">add</a>(sumSize);
|
|
00327 genmon.<a class="code" href="classeo_monitor.html#a1">add</a>(term); <span class="comment">// add generation counter</span>
|
|
00328
|
|
00329 checkpoint.<a class="code" href="classeo_monitor.html#a1">add</a>(genmon);
|
|
00330
|
|
00331 <a class="code" href="classeo_pop.html">eoPop<EoType></a> dummy;
|
|
00332 evaluator(pop, dummy);
|
|
00333
|
|
00334 <a class="code" href="classeo_easy_e_a.html">eoEasyEA<EoType></a> ea(checkpoint, evaluator, breeder, replace);
|
|
00335
|
|
00336 ea(pop); <span class="comment">// run</span>
|
|
00337
|
|
00338 }
|
|
00339
|
|
00340 <span class="keywordtype">void</span> add_function(LanguageTable& table, eoParser& parser, string name, <span class="keywordtype">unsigned</span> arity, token_t token, <span class="keyword">const</span> FunDef& fun, <span class="keywordtype">bool</span> all) {
|
|
00341 ostringstream desc;
|
|
00342 desc << <span class="stringliteral">"Enable function "</span> << name << <span class="stringliteral">" arity = "</span> << arity;
|
|
00343 <span class="keywordtype">bool</span> enabled = parser.createParam(<span class="keyword">false</span>, name, desc.str(), 0, <span class="stringliteral">"Language"</span>).value();
|
|
00344
|
|
00345 <span class="keywordflow">if</span> (enabled || all) {
|
|
00346 cout << <span class="stringliteral">"Func "</span> << name << <span class="stringliteral">" enabled"</span> << endl;
|
|
00347 table.add_function(token, arity);
|
|
00348 <span class="keywordflow">if</span> (arity > 0) functions_added++;
|
|
00349 }
|
|
00350 }
|
|
00351
|
|
00352 <span class="keywordtype">void</span> setup_language(LanguageTable& table, eoParser& parser) {
|
|
00353
|
|
00354 <span class="keywordtype">bool</span> all = parser.createParam(<span class="keyword">false</span>,<span class="stringliteral">"all"</span>, <span class="stringliteral">"Enable all functions"</span>).value();
|
|
00355 <span class="keywordtype">bool</span> ratio = parser.createParam(<span class="keyword">false</span>,<span class="stringliteral">"ratio"</span>,<span class="stringliteral">"Enable rational functions (inv,min,sum,prod)"</span>).value();
|
|
00356 <span class="keywordtype">bool</span> poly = parser.createParam(<span class="keyword">false</span>,<span class="stringliteral">"poly"</span>,<span class="stringliteral">"Enable polynomial functions (min,sum,prod)"</span>).value();
|
|
00357
|
|
00358 <span class="comment">// assumes that at this point all tokens are defined (none are zeroed out, which can happen with ERCs)</span>
|
|
00359 vector<const FunDef*> lang = get_defined_functions();
|
|
00360
|
|
00361 <span class="keywordflow">for</span> (token_t i = 0; i < lang.size(); ++i) {
|
|
00362
|
|
00363 <span class="keywordflow">if</span> (lang[i] == 0) <span class="keywordflow">continue</span>;
|
|
00364
|
|
00365 <span class="keywordtype">bool</span> is_poly = <span class="keyword">false</span>;
|
|
00366 <span class="keywordflow">if</span> (poly && (i == prod_token || i == sum_token || i == min_token) ) {
|
|
00367 is_poly = <span class="keyword">true</span>;
|
|
00368 }
|
|
00369
|
|
00370 <span class="keywordtype">bool</span> is_ratio = <span class="keyword">false</span>;
|
|
00371 <span class="keywordflow">if</span> (ratio && (is_poly || i == inv_token)) {
|
|
00372 is_ratio = <span class="keyword">true</span>;
|
|
00373 }
|
|
00374
|
|
00375 <span class="keyword">const</span> FunDef& fun = *lang[i];
|
|
00376
|
|
00377 <span class="keywordflow">if</span> (fun.has_varargs() ) {
|
|
00378
|
|
00379 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> j = fun.min_arity(); j < fun.min_arity() + 8; ++j) {
|
|
00380 <span class="keywordflow">if</span> (j==1) <span class="keywordflow">continue</span>; <span class="comment">// prod 1 and sum 1 are useless</span>
|
|
00381 ostringstream nm;
|
|
00382 nm << fun.name() << j;
|
|
00383 <span class="keywordtype">bool</span> addanyway = (all || is_ratio || is_poly) && j == 2;
|
|
00384 add_function(table, parser, nm.str(), j, i, fun, addanyway);
|
|
00385 }
|
|
00386 }
|
|
00387 <span class="keywordflow">else</span> {
|
|
00388 add_function(table, parser, fun.name(), fun.min_arity(), i, fun, all || is_ratio || is_poly);
|
|
00389 }
|
|
00390 }
|
|
00391 }
|
|
00392
|
|
00393
|
|
</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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|
<a href="http://www.doxygen.org/index.html">
|
|
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.3.9.1 </small></address>
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|
</body>
|
|
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