108 lines
3.4 KiB
C++
108 lines
3.4 KiB
C++
/** -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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-----------------------------------------------------------------------------
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eoPopEvalFunc.h
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Abstract class for global evaluation of the population
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(c) GeNeura Team, 2000
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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 eoPopEvalFunc_H
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#define eoPopEvalFunc_H
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#include <eoEvalFunc.h>
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#include <apply.h>
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/** eoPopEvalFunc: This abstract class is for GLOBAL evaluators
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* of a population after variation.
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* It takes 2 populations (typically the parents and the offspring)
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* and is suppposed to evaluate them alltogether
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*
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* Basic use: apply an embedded eoEvalFunc to the offspring
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*
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* Time-varying fitness: apply the embedded eoEvalFunc to both
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* offspring and parents
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*
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* Advanced uses: Co-evolution or "parisian" approach, or ...
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*
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* Basic parallelization (synchronous standard evolution engine):
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* call the slaves and wait for the results
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*
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* @ingroup Evaluation
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*/
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template<class EOT>
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class eoPopEvalFunc : public eoBF<eoPop<EOT> & , eoPop<EOT> &, void>
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{};
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/////////////////////////////////////////////////////////////
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// eoPopLoopEval
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/////////////////////////////////////////////////////////////
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/** eoPopLoopEval: an instance of eoPopEvalFunc that simply applies
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* a private eoEvalFunc to all offspring
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*
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* @ingroup Evaluation
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*/
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template<class EOT>
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class eoPopLoopEval : public eoPopEvalFunc<EOT> {
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public:
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/** Ctor: set value of embedded eoEvalFunc */
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eoPopLoopEval(eoEvalFunc<EOT> & _eval) : eval(_eval) {}
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/** Do the job: simple loop over the offspring */
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void operator()(eoPop<EOT> & _parents, eoPop<EOT> & _offspring)
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{
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(void)_parents;
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apply<EOT>(eval, _offspring);
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}
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private:
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eoEvalFunc<EOT> & eval;
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};
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/////////////////////////////////////////////////////////////
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// eoTimeVaryingLoopEval
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/////////////////////////////////////////////////////////////
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/** eoPopLoopEval: an instance of eoPopEvalFunc that simply applies
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* a private eoEvalFunc to all offspring AND ALL PARENTS
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* as the fitness is supposed here to vary
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*
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* @ingroup Evaluation
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*/
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template<class EOT>
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class eoTimeVaryingLoopEval : public eoPopEvalFunc<EOT> {
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public:
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/** Ctor: set value of embedded eoEvalFunc */
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eoTimeVaryingLoopEval(eoEvalFunc<EOT> & _eval) : eval(_eval) {}
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/** Do the job: simple loop over the offspring */
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void operator()(eoPop<EOT> & _parents, eoPop<EOT> & _offspring)
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{
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apply<EOT>(eval, _parents);
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apply<EOT>(eval, _offspring);
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}
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private:
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eoEvalFunc<EOT> & eval;
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};
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#endif
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