ff108477c3
eoEasyEA -- made it copyable again eoEvalFunc -- added specialized eoEvalFuncCounter eoEvolutionStrategy -- nothing much eoGenContinue -- nothing eoPop -- fixed nth_element_fitness eoBitOp -- fixed error in xover eoFileMonitor -- now appends always eoParam -- worked around memory leak in MSC's strstream eoParser -- changed -pconfig_file to @config_file eoParser -- added messages instead of exception when required param is missing eoStat -- added eoDistanceStat t-eoFunctor -- don't know
101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// eoEvolutionStrategy.h
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// (c) Maarten Keijzer 2000, GeNeura Team, 1998
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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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*/
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//-----------------------------------------------------------------------------
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#ifndef _eoEvolutionStrategy_h
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#define _eoEvolutionStrategy_h
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//-----------------------------------------------------------------------------
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#include <eoEasyEA.h>
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#include <eoInplaceTransform.h>
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/** eoEvolutionStrategy:
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*/
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template<class EOT>
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class eoEvolutionStrategy: public eoAlgo<EOT>
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{
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public:
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struct plus_strategy{};
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struct comma_strategy{};
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eoEvolutionStrategy(
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eoContinue<EOT>& _continuator,
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eoEvalFunc<EOT>& _eval,
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eoGOpSelector<EOT>& _opSel,
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float _lambdaRate,
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comma_strategy)
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: selectPerc(randomSelect, _lambdaRate),
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transform(_opSel),
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easyEA(_continuator, _eval, selectPerc, transform, noElitism, truncate)
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{}
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eoEvolutionStrategy(
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eoContinue<EOT>& _continuator,
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eoEvalFunc<EOT>& _eval,
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eoGOpSelector<EOT>& _opSel,
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float _lambdaRate,
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plus_strategy)
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: selectPerc(randomSelect, _lambdaRate),
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transform(_opSel),
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easyEA(_continuator, _eval, selectPerc, transform, plus, truncate)
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{}
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/// Apply a few generation of evolution to the population.
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virtual void operator()(eoPop<EOT>& _pop)
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{
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easyEA(_pop);
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}
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private:
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eoPlus<EOT> plus;
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eoNoElitism<EOT> noElitism;
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eoTruncate<EOT> truncate;
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eoSelectRandom<EOT> randomSelect;
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eoSelectPerc<EOT> selectPerc;
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eoInplaceTransform2<EOT> transform;
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/// easyEA is contained rather than a base because of member initialization order!
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eoEasyEA<EOT> easyEA;
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};
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template <class EOT>
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eoEvolutionStrategy<EOT> make_es(eoContinue<EOT>& _continuator,
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eoEvalFunc<EOT>& _eval,
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eoGOpSelector<EOT>& _opSel,
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float _lambdaRate,
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bool _comma)
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{
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if (_comma)
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return eoEvolutionStrategy<EOT>(_continuator, _eval, _opSel, _lambdaRate, eoEvolutionStrategy<EOT>::comma_strategy());
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//else
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return eoEvolutionStrategy<EOT>(_continuator, _eval, _opSel, _lambdaRate, eoEvolutionStrategy<EOT>::plus_strategy());
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}
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//-----------------------------------------------------------------------------
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#endif eoSelectTransformReduce_h
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