The new libga
Apart from big changes in the src/ga dir, and the addition of the src/do dir it also generated a few changes here and there, e.g. some include file still missing. Also removed some warning from some test files.
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evomarc
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32 changed files with 1679 additions and 158 deletions
186
eo/src/do/make_algo_scalar.h
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186
eo/src/do/make_algo_scalar.h
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// make_algo_scalar.h
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// (c) Maarten Keijzer, Marc Schoenauer and GeNeura Team, 2001
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/*
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Contact: todos@geneura.ugr.es, http://geneura.ugr.es
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Marc.Schoenauer@polytechnique.fr
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mkeijzer@dhi.dk
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*/
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//-----------------------------------------------------------------------------
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#ifndef _make_run_h
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#define _make_run_h
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#include <utils/eoData.h> // for eo_is_a_rate
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// everything tha's needed for the algorithms - SCALAR fitness
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// Selection
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// the eoSelectOne's
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#include <eoRandomSelect.h> // also contains the eoSequentialSelect
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#include <eoDetTournamentSelect.h>
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#include <eoProportionalSelect.h>
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#include <eoFitnessScalingSelect.h>
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#include <eoRankingSelect.h>
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#include <eoStochTournamentSelect.h>
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// Breeders
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#include <eoGeneralBreeder.h>
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// Replacement
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// #include <eoReplacement.h>
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#include <eoMergeReduce.h>
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#include <eoReduceMerge.h>
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#include <eoSurviveAndDie.h>
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// Algorithm (only this one needed)
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#include <eoEasyEA.h>
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// also need the parser and param includes
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#include <utils/eoParser.h>
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#include <utils/eoState.h>
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/*
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* This function builds the algorithm (i.e. selection and replacement)
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* from existing continue (or checkpoint) and operators
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*
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* It uses a parser (to get user parameters) and a state (to store the memory)
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* the last argument is an individual, needed for 2 reasons
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* it disambiguates the call after instanciations
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* some operator might need some private information about the indis
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*
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* This is why the template is the complete EOT even though only the fitness
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* is actually templatized here
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*/
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template <class EOT>
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eoAlgo<EOT> & do_make_algo_scalar(eoParameterLoader& _parser, eoState& _state, eoEvalFunc<EOT>& _eval, eoContinue<EOT>& _ccontinue, eoGenOp<EOT>& _op)
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{
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// the selection
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eoValueParam<eoParamParamType>& selectionParam = _parser.createParam(eoParamParamType("DetTour(2)"), "selection", "Selection: Roulette, DetTour(T), StochTour(t) or Sequential(ordered/unordered)", 'S', "engine");
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eoParamParamType & ppSelect = selectionParam.value(); // pair<string,vector<string> >
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eoSelectOne<EOT>* select ;
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if (ppSelect.first == string("DetTour"))
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{
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unsigned size;
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istrstream is(ppSelect.second[0].c_str()); // size of det tournament
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is >> size;
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select = new eoDetTournamentSelect<EOT>(size);
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}
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else if (ppSelect.first == string("StochTour"))
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{
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double p;
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istrstream is(ppSelect.second[0].c_str()); // proba of binary tournament
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is >> p;
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select = new eoStochTournamentSelect<EOT>(p);
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}
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else if (ppSelect.first == string("Sequential")) // one after the other
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{
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if (ppSelect.second.size() == 0) // no argument -> default = ordered
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select = new eoSequentialSelect<EOT>;
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else
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{
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bool b;
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istrstream is(ppSelect.second[0].c_str());
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is >> b;
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select = new eoStochTournamentSelect<EOT>(b);
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}
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}
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else if (ppSelect.first == string("Roulette")) // no argument (yet)
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{
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select = new eoProportionalSelect<EOT>;
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}
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else
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throw runtime_error("Invalid selection");
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_state.storeFunctor(select);
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// the number of offspring
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eoValueParam<eoRateParamType>& offspringRateParam = _parser.createParam(eoRateParamType("100%"), "offspringRate", "Nb of offspring (percentage or absolute)", 'O', "engine");
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// an eoRateParamType is simply a pair<double,bool>
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double offRate=offspringRateParam.value().first;
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bool offInterpret_as_rate = offspringRateParam.value().second;
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// the replacement
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eoValueParam<eoParamParamType>& replacementParam = _parser.createParam(eoParamParamType("Comma"), "replacement", "Replacement: Comma, Plus or EPTour(T)", 'R', "engine");
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eoParamParamType & ppReplace = replacementParam.value(); // pair<string,vector<string> >
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eoReplacement<EOT>* replace ;
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if (ppReplace.first == string("Comma")) // Comma == generational
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{
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replace = new eoCommaReplacement<EOT>;
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}
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else if (ppReplace.first == string("Plus"))
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{
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replace = new eoPlusReplacement<EOT>;
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}
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else if (ppReplace.first == string("EPTour"))
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{
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unsigned size;
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istrstream is(ppReplace.second[0].c_str()); // size of EP tournament
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is >> size;
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replace = new eoEPReplacement<EOT>(size);
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}
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else if (ppReplace.first == string("SSGAWorse"))
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{
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replace = new eoSSGAWorseReplacement<EOT>;
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}
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else if (ppReplace.first == string("SSGADet"))
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{
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unsigned size;
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istrstream is(ppReplace.second[0].c_str()); // size of Det. tournament
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is >> size;
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replace = new eoSSGADetTournamentReplacement<EOT>(size);
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}
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else if (ppReplace.first == string("SSGAStoch"))
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{
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double p;
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istrstream is(ppReplace.second[0].c_str()); // proba of binary tournament
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is >> p;
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replace = new eoSSGAStochTournamentReplacement<EOT>(p);
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}
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else
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throw runtime_error("Invalid replacement");
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_state.storeFunctor(replace);
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// adding weak elitism
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eoValueParam<bool>& weakElitismParam = _parser.createParam(false, "weakElitism", "Old best parent replaces new worst offspring *if necessary*", 'w', "engine");
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if (weakElitismParam.value())
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{
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eoReplacement<EOT> *replaceTmp = replace;
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replace = new eoWeakElitistReplacement<EOT>(*replaceTmp);
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_state.storeFunctor(replace);
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}
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// the general breeder
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eoGeneralBreeder<EOT> *breed =
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new eoGeneralBreeder<EOT>(*select, _op, offRate, offInterpret_as_rate);
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_state.storeFunctor(breed);
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// now the eoEasyEA
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eoAlgo<EOT> *algo = new eoEasyEA<EOT>(_ccontinue, _eval, *breed, *replace);
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_state.storeFunctor(algo);
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// that's it!
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return *algo;
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}
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#endif
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