c3aec878e5
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@40 331e1502-861f-0410-8da2-ba01fb791d7f
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<title>EO: make_algo_pareto.h Source File</title>
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<h1>make_algo_pareto.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">// make_algo_pareto.h</span>
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00005 <span class="comment">// (c) Maarten Keijzer, Marc Schoenauer and GeNeura Team, 2002</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"> Marc.Schoenauer@inria.fr</span>
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00023 <span class="comment"> mkeijzer@dhi.dk</span>
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00024 <span class="comment"> */</span>
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00025 <span class="comment">//-----------------------------------------------------------------------------</span>
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00026
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00027 <span class="preprocessor">#ifndef _make_algo_pareto_h</span>
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00028 <span class="preprocessor"></span><span class="preprocessor">#define _make_algo_pareto_h</span>
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00029 <span class="preprocessor"></span>
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00030 <span class="preprocessor">#include "utils/eoData.h"</span> <span class="comment">// for eo_is_a_rate</span>
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00031 <span class="comment">// everything tha's needed for the algorithms - SCALAR fitness</span>
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00032
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00033 <span class="comment">// Selection</span>
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00034 <span class="comment">// the eoSelectOne's</span>
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00035 <span class="preprocessor">#include "eoSelectFromWorth.h"</span>
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00036 <span class="preprocessor">#include "eoNDSorting.h"</span>
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00037
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00038 <span class="comment">// Breeders</span>
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00039 <span class="preprocessor">#include "eoGeneralBreeder.h"</span>
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00040
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00041 <span class="comment">// Replacement - at the moment limited to eoNDPlusReplacement, locally defined</span>
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00042 <span class="preprocessor">#include "eoReplacement.h"</span>
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00043
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00044 <span class="keyword">template</span> <<span class="keyword">class</span> EOT, <span class="keyword">class</span> WorthT = <span class="keywordtype">double</span>>
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<a name="l00045"></a><a class="code" href="classeo_n_d_plus_replacement.html">00045</a> <span class="keyword">class </span><a class="code" href="classeo_n_d_plus_replacement.html">eoNDPlusReplacement</a> : <span class="keyword">public</span> <a class="code" href="classeo_replacement.html">eoReplacement</a><EOT>
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00046 {
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00047 <span class="keyword">public</span>:
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00048 <a class="code" href="classeo_n_d_plus_replacement.html">eoNDPlusReplacement</a>(<a class="code" href="classeo_perf2_worth.html">eoPerf2Worth<EOT, WorthT></a>& _perf2worth) : perf2worth(_perf2worth) {}
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00049
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00050 <span class="keyword">struct </span>WorthPair : <span class="keyword">public</span> std::pair<WorthT, const EOT*>
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00051 {
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00052 <span class="keywordtype">bool</span> operator<(<span class="keyword">const</span> WorthPair& other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> other.first < this->first; }
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00053 };
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00054
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<a name="l00055"></a><a class="code" href="classeo_n_d_plus_replacement.html#a1">00055</a> <span class="keywordtype">void</span> <a class="code" href="classeo_n_d_plus_replacement.html#a1">operator()</a>(<a class="code" href="classeo_pop.html">eoPop<EOT></a>& _parents, <a class="code" href="classeo_pop.html">eoPop<EOT></a>& _offspring)
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00056 {
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00057 <span class="keywordtype">unsigned</span> sz = _parents.size();
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00058 _parents.reserve(_parents.size() + _offspring.size());
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00059 copy(_offspring.begin(), _offspring.end(), back_inserter(_parents));
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00060
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00061 <span class="comment">// calculate worths</span>
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00062 perf2worth(_parents);
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00063 perf2worth.sort_pop(_parents);
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00064 perf2worth.resize(_parents, sz);
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00065
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00066 _offspring.clear();
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00067 }
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00068
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00069 <span class="keyword">private</span> :
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00070 <a class="code" href="classeo_perf2_worth.html">eoPerf2Worth<EOT, WorthT></a>& perf2worth;
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00071 };
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00072
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00073
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00074 <span class="comment">// Algorithm (only this one needed)</span>
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00075 <span class="preprocessor">#include "eoEasyEA.h"</span>
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00076
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00077 <span class="comment">// also need the parser and param includes</span>
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00078 <span class="preprocessor">#include "utils/eoParser.h"</span>
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00079 <span class="preprocessor">#include "utils/eoState.h"</span>
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00080
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00081
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00082 <span class="comment">/*</span>
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00083 <span class="comment"> * This function builds the algorithm (i.e. selection and replacement)</span>
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00084 <span class="comment"> * from existing continue (or checkpoint) and operators</span>
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00085 <span class="comment"> *</span>
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00086 <span class="comment"> * It uses a parser (to get user parameters) and a state (to store the memory)</span>
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00087 <span class="comment"> * the last argument is an individual, needed for 2 reasons</span>
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00088 <span class="comment"> * it disambiguates the call after instanciations</span>
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00089 <span class="comment"> * some operator might need some private information about the indis</span>
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00090 <span class="comment"> *</span>
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00091 <span class="comment"> * This is why the template is the complete EOT even though only the fitness</span>
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00092 <span class="comment"> * is actually templatized here</span>
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00093 <span class="comment">*/</span>
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00094
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00095 <span class="keyword">template</span> <<span class="keyword">class</span> EOT>
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00096 <a class="code" href="classeo_algo.html">eoAlgo<EOT></a> & do_make_algo_pareto(<a class="code" href="classeo_parser.html">eoParser</a>& _parser, <a class="code" href="classeo_state.html">eoState</a>& _state, <a class="code" href="classeo_eval_func.html">eoEvalFunc<EOT></a>& _eval, <a class="code" href="classeo_continue.html">eoContinue<EOT></a>& _continue, <a class="code" href="classeo_gen_op.html">eoGenOp<EOT></a>& _op)
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00097 {
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00098 <span class="comment">// the selection</span>
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00099 std::string & selStr = _parser.<a class="code" href="classeo_parameter_loader.html#a3">createParam</a>(std::string(<span class="stringliteral">"NSGA-II"</span>), <span class="stringliteral">"selCrit"</span>, <span class="stringliteral">"Pareto Selection Criterion: NSGA, NSGA-II, ParetoRanking"</span>, <span class="charliteral">'S'</span>, <span class="stringliteral">"Evolution Engine"</span>).value();
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00100 <span class="keywordtype">double</span> nicheSize = _parser.<a class="code" href="classeo_parameter_loader.html#a3">createParam</a>(1.0, <span class="stringliteral">"nicheSize"</span>, <span class="stringliteral">"Size of niche for NSGA-I"</span>, <span class="charliteral">'\0'</span>, <span class="stringliteral">"Evolution Engine"</span>).value();
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00101 <a class="code" href="classeo_perf2_worth.html">eoPerf2Worth<EOT, double></a> *p2w;
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00102 <span class="keywordflow">if</span> ( (selStr == std::string(<span class="stringliteral">"NSGA"</span>)) || (selStr == std::string(<span class="stringliteral">"NSGA-I"</span>) ) )
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00103 p2w = <span class="keyword">new</span> <a class="code" href="classeo_n_d_sorting___i.html">eoNDSorting_I<EOT></a>(nicheSize);
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00104 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (selStr == std::string(<span class="stringliteral">"NSGA-II"</span>))
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00105 p2w = <span class="keyword">new</span> <a class="code" href="classeo_n_d_sorting___i_i.html">eoNDSorting_II<EOT></a>();
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00106 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (selStr == std::string(<span class="stringliteral">"ParetoRanking"</span>))
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00107 {
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00108 <a class="code" href="classeo_dominance_map.html">eoDominanceMap<EOT></a>& dominance = _state.<a class="code" href="classeo_functor_store.html#a2">storeFunctor</a>(<span class="keyword">new</span> <a class="code" href="classeo_dominance_map.html">eoDominanceMap<EOT></a>);
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00109 p2w = <span class="keyword">new</span> <a class="code" href="classeo_pareto_ranking.html">eoParetoRanking<EOT></a>(dominance);
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00110 }
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00111
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00112 _state.<a class="code" href="classeo_functor_store.html#a2">storeFunctor</a>(p2w);
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00113
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00114 <span class="comment">// now the selector (from p2w) - cut-and-pasted from make_algo_scalar!</span>
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00115 <span class="comment">// only all classes are now ...FromWorth ...</span>
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00116 <span class="comment">// only the ranking is not re-implemented (yet?)</span>
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00117 <a class="code" href="classeo_value_param.html">eoValueParam<eoParamParamType></a>& selectionParam = _parser.<a class="code" href="classeo_parameter_loader.html#a3">createParam</a>(<a class="code" href="classeo_param_param_type.html">eoParamParamType</a>(<span class="stringliteral">"DetTour(2)"</span>), <span class="stringliteral">"selection"</span>, <span class="stringliteral">"Selection: Roulette, DetTour(T), StochTour(t) or Random"</span>, <span class="charliteral">'S'</span>, <span class="stringliteral">"Evolution Engine"</span>);
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00118
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00119 <a class="code" href="classeo_param_param_type.html">eoParamParamType</a> & ppSelect = selectionParam.<a class="code" href="classeo_value_param.html#a2">value</a>(); <span class="comment">// std::pair<std::string,std::vector<std::string> ></span>
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00120
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00121 <a class="code" href="classeo_select_one.html">eoSelectOne<EOT></a>* select ;
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00122 <span class="keywordflow">if</span> (ppSelect.first == std::string(<span class="stringliteral">"DetTour"</span>))
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00123 {
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00124 <span class="keywordtype">unsigned</span> detSize;
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00125
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00126 <span class="keywordflow">if</span> (!ppSelect.second.size()) <span class="comment">// no parameter added</span>
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00127 {
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00128 std::cerr << <span class="stringliteral">"WARNING, no parameter passed to DetTour, using 2"</span> << std::endl;
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00129 detSize = 2;
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00130 <span class="comment">// put back 2 in parameter for consistency (and status file)</span>
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00131 ppSelect.second.push_back(std::string(<span class="stringliteral">"2"</span>));
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00132 }
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00133 <span class="keywordflow">else</span> <span class="comment">// parameter passed by user as DetTour(T)</span>
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00134 detSize = atoi(ppSelect.second[0].c_str());
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00135 select = <span class="keyword">new</span> <a class="code" href="classeo_det_tournament_worth_select.html">eoDetTournamentWorthSelect<EOT></a>(*p2w, detSize);
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00136 }
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00137 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ppSelect.first == std::string(<span class="stringliteral">"StochTour"</span>))
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00138 {
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00139 <span class="keywordtype">double</span> p;
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00140 <span class="keywordflow">if</span> (!ppSelect.second.size()) <span class="comment">// no parameter added</span>
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00141 {
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00142 std::cerr << <span class="stringliteral">"WARNING, no parameter passed to StochTour, using 1"</span> << std::endl;
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00143 p = 1;
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00144 <span class="comment">// put back p in parameter for consistency (and status file)</span>
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00145 ppSelect.second.push_back(std::string(<span class="stringliteral">"1"</span>));
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00146 }
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00147 <span class="keywordflow">else</span> <span class="comment">// parameter passed by user as DetTour(T)</span>
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00148 p = atof(ppSelect.second[0].c_str());
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00149
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00150 select = <span class="keyword">new</span> <a class="code" href="classeo_stoch_tournament_worth_select.html">eoStochTournamentWorthSelect<EOT></a>(*p2w, p);
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00151 }
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00152 <span class="comment">// else if (ppSelect.first == std::string("Sequential")) // one after the other</span>
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00153 <span class="comment">// {</span>
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00154 <span class="comment">// bool b;</span>
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00155 <span class="comment">// if (ppSelect.second.size() == 0) // no argument -> default = ordered</span>
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00156 <span class="comment">// {</span>
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00157 <span class="comment">// b=true;</span>
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00158 <span class="comment">// // put back in parameter for consistency (and status file)</span>
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00159 <span class="comment">// ppSelect.second.push_back(std::string("ordered"));</span>
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00160 <span class="comment">// }</span>
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00161 <span class="comment">// else</span>
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00162 <span class="comment">// b = !(ppSelect.second[0] == std::string("unordered"));</span>
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00163 <span class="comment">// select = new eoSequentialWorthSelect<EOT>(b);</span>
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00164 <span class="comment">// }</span>
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00165 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ppSelect.first == std::string(<span class="stringliteral">"Roulette"</span>)) <span class="comment">// no argument (yet)</span>
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00166 {
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00167 select = <span class="keyword">new</span> <a class="code" href="classeo_roulette_worth_select.html">eoRouletteWorthSelect<EOT></a>(*p2w);
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00168 }
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00169 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ppSelect.first == std::string(<span class="stringliteral">"Random"</span>)) <span class="comment">// no argument, no perf2Worth</span>
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00170 {
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00171 select = <span class="keyword">new</span> <a class="code" href="classeo_random_select.html">eoRandomSelect<EOT></a>;
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00172 }
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00173 <span class="keywordflow">else</span>
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00174 {
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00175 std::string stmp = std::string(<span class="stringliteral">"Invalid selection: "</span>) + ppSelect.first;
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00176 <span class="keywordflow">throw</span> std::runtime_error(stmp.c_str());
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00177 }
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00178
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00179 _state.<a class="code" href="classeo_functor_store.html#a2">storeFunctor</a>(select);
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00180
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00181
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00182 <span class="comment">// the number of offspring </span>
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00183 <a class="code" href="classeo_value_param.html">eoValueParam<eoHowMany></a>& offspringRateParam = _parser.<a class="code" href="classeo_parameter_loader.html#a3">createParam</a>(<a class="code" href="classeo_how_many.html">eoHowMany</a>(1.0), <span class="stringliteral">"nbOffspring"</span>, <span class="stringliteral">"Nb of offspring (percentage or absolute)"</span>, <span class="charliteral">'O'</span>, <span class="stringliteral">"Evolution Engine"</span>);
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00184
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00185 <span class="comment">// the replacement</span>
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00186 <span class="comment">// actually limited to eoNDPlusReplacement</span>
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00187 <a class="code" href="classeo_replacement.html">eoReplacement<EOT></a> & replace = _state.<a class="code" href="classeo_functor_store.html#a2">storeFunctor</a>(
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00188 <span class="keyword">new</span> <a class="code" href="classeo_n_d_plus_replacement.html">eoNDPlusReplacement<EOT, double></a>(*p2w)
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00189 );
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00190
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00191 <span class="comment">// the general breeder</span>
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00192 <a class="code" href="classeo_general_breeder.html">eoGeneralBreeder<EOT></a> *breed =
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00193 <span class="keyword">new</span> <a class="code" href="classeo_general_breeder.html">eoGeneralBreeder<EOT></a>(*select, _op, offspringRateParam.<a class="code" href="classeo_value_param.html#a2">value</a>());
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00194 _state.<a class="code" href="classeo_functor_store.html#a2">storeFunctor</a>(breed);
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00195
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00196 <span class="comment">// now the eoEasyEA</span>
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00197 <a class="code" href="classeo_algo.html">eoAlgo<EOT></a> *algo = <span class="keyword">new</span> <a class="code" href="classeo_easy_e_a.html">eoEasyEA<EOT></a>(_continue, _eval, *breed, replace);
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00198 _state.<a class="code" href="classeo_functor_store.html#a2">storeFunctor</a>(algo);
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00199 <span class="comment">// that's it!</span>
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00200 <span class="keywordflow">return</span> *algo;
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00201 }
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00202
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00203 <span class="preprocessor">#endif</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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