Fuzzy Extension of some classical concepts
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137
moeo/src/algo/moeoExtendedNSGAII.h
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137
moeo/src/algo/moeoExtendedNSGAII.h
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/*
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<moeoExtendedESPEA2.h>
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Oumayma BAHRI
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Author:
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Oumayma BAHRI <oumaymabahri.com>
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ParadisEO WebSite : http://paradiseo.gforge.inria.fr
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Contact: paradiseo-help@lists.gforge.inria.fr
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*/
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//-----------------------------------------------------------------------------
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#ifndef MOEOEXTENDEDNSGAII_H_
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#define MOEOEXTENDEDNSGAII_H_
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#include <eoBreed.h>
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#include <eoCloneOps.h>
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#include <eoContinue.h>
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#include <eoEvalFunc.h>
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#include <eoGenContinue.h>
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#include <eoGeneralBreeder.h>
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#include <eoGenOp.h>
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#include <algo/moeoEA.h>
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#include <replacement/moeoElitistReplacement.h>
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#include <selection/moeoDetTournamentSelect.h>
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#include <fitness/moeoDominanceDepthFitnessAssignment.h>
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#include <diversity/moeoFuzzyCrowdingDiversity.h>
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/**
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* Extended NSGAII is an extension of classical algorithm NSGAII for incorporating the aspect of fuzziness in diversity assignement
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*/
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template < class MOEOT >
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class moeoExtendedNSGAII: public moeoEA < MOEOT >
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{
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public:
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/**
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* Ctor with a eoContinue, a eoPopEval and a eoGenOp.
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* @param _continuator stopping criteria
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* @param _popEval population evaluation function
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* @param _op variation operators
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*/
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moeoExtendedNSGAII (eoContinue < MOEOT > & _continuator, eoPopEvalFunc < MOEOT > & _popEval, eoGenOp < MOEOT > & _op) :
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defaultGenContinuator(0), continuator(_continuator), eval(defaultEval), defaultPopEval(eval), popEval(_popEval), select(2),
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selectMany(select,0.0), selectTransform(defaultSelect, defaultTransform), defaultSGAGenOp(defaultQuadOp, 1.0, defaultMonOp, 1.0),
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enBreed(select, _op), breed(genBreed), replace (fitnessAssignment, diversityAssignment)
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{}
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/**
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* Apply a the algorithm to the population _pop until the stopping criteria is satified.
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* @param _pop the population
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*/
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virtual void operator () (eoPop < MOEOT > &_pop)
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{
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eoPop < MOEOT > offspring, empty_pop;
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popEval (empty_pop, _pop); // a first eval of _pop
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// evaluate fitness and diversity
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fitnessAssignment(_pop);
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diversityAssignment(_pop);
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do
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{
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// generate offspring, worths are recalculated if necessary
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breed (_pop, offspring);
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// eval of offspring
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popEval (_pop, offspring);
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// after replace, the new pop is in _pop. Worths are recalculated if necessary
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replace (_pop, offspring);
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}
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while (continuator (_pop));
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}
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protected:
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/** a continuator based on the number of generations (used as default) */
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eoGenContinue < MOEOT > defaultGenContinuator;
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/** stopping criteria */
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eoContinue < MOEOT > & continuator;
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/** default eval */
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class DummyEval : public eoEvalFunc < MOEOT >
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{
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public:
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void operator()(MOEOT &) {}
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}
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defaultEval;
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/** evaluation function */
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eoEvalFunc < MOEOT > & eval;
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/** default popEval */
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eoPopLoopEval < MOEOT > defaultPopEval;
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/** evaluation function used to evaluate the whole population */
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eoPopEvalFunc < MOEOT > & popEval;
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/** default select */
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class DummySelect : public eoSelect < MOEOT >
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{
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public :
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void operator()(const eoPop<MOEOT>&, eoPop<MOEOT>&) {}
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}
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defaultSelect;
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/** binary tournament selection */
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moeoDetTournamentSelect < MOEOT > select;
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/** default select many */
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eoSelectMany < MOEOT > selectMany;
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/** select transform */
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eoSelectTransform < MOEOT > selectTransform;
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/** a default crossover */
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eoQuadCloneOp < MOEOT > defaultQuadOp;
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/** a default mutation */
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eoMonCloneOp < MOEOT > defaultMonOp;
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/** an object for genetic operators (used as default) */
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eoSGAGenOp < MOEOT > defaultSGAGenOp;
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/** default transform */
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class DummyTransform : public eoTransform < MOEOT >
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{
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public :
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void operator()(eoPop<MOEOT>&) {}
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}
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defaultTransform;
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/** general breeder */
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eoGeneralBreeder < MOEOT > genBreed;
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/** breeder */
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eoBreed < MOEOT > & breed;
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/** fitness assignment*/
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FitnessAssignment < MOEOT > fitnessAssignment;
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/** diversity assignment */
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moeoFuzzyCrowdingDiversity < MOEOT > diversityAssignment;
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/** elitist replacement */
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ElitistReplacement < MOEOT > replace;
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};
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#endif /*MOEOEXTENDEDNSGAII_H_*/
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156
moeo/src/algo/moeoExtendedSPEA2.h
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156
moeo/src/algo/moeoExtendedSPEA2.h
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/*
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<moeoExtendedSPEA2.h>
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Oumayma BAHRI
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Author:
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Oumayma BAHRI <oumaymabahri.com>
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ParadisEO WebSite : http://paradiseo.gforge.inria.fr
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Contact: paradiseo-help@lists.gforge.inria.fr
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*/
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//-----------------------------------------------------------------------------
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#ifndef MOEOEXTENDEDSPEA2_H_
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#define MOEOEXTENDEDSPEA2_H_
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#include <eoBreed.h>
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#include <eoCloneOps.h>
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#include <eoContinue.h>
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#include <eoEvalFunc.h>
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#include <eoGenContinue.h>
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#include <eoGeneralBreeder.h>
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#include <eoGenOp.h>
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#include <eoPopEvalFunc.h>
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#include <eoSGAGenOp.h>
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#include <algo/moeoEA.h>
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#include <GenerationalReplacement.h>
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#include <DetTournamentSelect.h>
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#include <selection/moeoSelectFromPopAndArch.h>
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#include <diversity/moeoFuzzyNearestNeighborDiversity.h>
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#include <distance/moeoBertDistance.h>
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#include <archive/moeoFuzzyFixedSizeArchive.h">
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/**
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* Extended SPEA2 is an extension of classical algorithm SPEA2 for incorporating the aspect of fuzziness in diversity assignment
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*/
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template < class MOEOT >
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class moeoExtendedSPEA2: public moeoEA < MOEOT >
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{
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public:
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/**
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* Ctor with a crossover, a mutation and their corresponding rates.
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* @param _maxGen number of generations before stopping
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* @param _eval evaluation function
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* @param _crossover crossover
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* @param _pCross crossover probability
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* @param _mutation mutation
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* @param _pMut mutation probability
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* @param _archive archive
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* @param _k the k-ieme distance used to fixe diversity
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* @param _nocopy boolean allow to consider copies and doublons as bad elements whose were dominated by all other MOEOT in fitness assignment.
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*/
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moeoExtendedSPEA2 (unsigned int _maxGen, eoEvalFunc < MOEOT > & _eval, eoQuadOp < MOEOT > & _crossover,
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double _pCross, eoMonOp < MOEOT > & _mutation, double _pMut, moeoFuzzyArchive < MOEOT >& _archive,
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unsigned int _k=1, bool _nocopy=false) :
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defaultGenContinuator(_maxGen), continuator(defaultGenContinuator), eval(_eval), loopEval(_eval),
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popEval(loopEval), archive(_archive),defaultSelect(2),select(defaultSelect, defaultSelect, _archive, 0.0),
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defaultSGAGenOp(_crossover, _pCross, _mutation, _pMut), fitnessAssignment(_archive, _nocopy),
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genBreed(defaultSelect, defaultSGAGenOp),selectMany(defaultSelect,0.0), selectTransform(selectMany, dummyTransform),
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breed(genBreed), FuzzydiversityAssignment(dist,_archive, _k)
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{}
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/**
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* Apply a few generation of evolution to the population _pop until the stopping criteria is verified.
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* @param _pop the population
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*/
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virtual void operator () (eoPop < MOEOT > &_pop)
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{
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eoPop < MOEOT >empty_pop, offspring;
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popEval (empty_pop, _pop);// a first eval of _pop
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fitnessAssignment(_pop); //a first fitness assignment of _pop
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diversityAssignment(_pop);//a first diversity assignment of _pop
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archive(_pop);//a first filling of archive
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while (continuator (_pop))
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{
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// generate offspring, worths are recalculated if necessary
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breed (_pop, offspring);
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popEval (_pop, offspring); // eval of offspring
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// after replace, the new pop is in _pop. Worths are recalculated if necessary
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replace (_pop, offspring);
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fitnessAssignment(_pop); //fitness assignment of _pop
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diversityAssignment(_pop); //diversity assignment of _pop
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archive(_pop); //control of archive
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}
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}
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protected:
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/** dummy evaluation */
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class eoDummyEval : public eoEvalFunc< MOEOT >
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{
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public:
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void operator()(MOEOT &) {}
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}
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dummyEval;
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/** dummy transform */
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class eoDummyTransform : public eoTransform<MOEOT>
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{
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public :
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void operator()(eoPop<MOEOT>&) {}
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}
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dummyTransform;
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/** a continuator based on the number of generations (used as default) */
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eoGenContinue < MOEOT > defaultGenContinuator;
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/** stopping criteria */
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eoContinue < MOEOT > & continuator;
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/** evaluation function */
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eoEvalFunc < MOEOT > & eval;
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/** loop eval */
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eoPopLoopEval < MOEOT > loopEval;
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/** evaluation function used to evaluate the whole population */
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eoPopEvalFunc < MOEOT > & popEval;
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/**SelectOne*/
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moeoDetTournamentSelect < MOEOT > defaultSelect;
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/** binary tournament selection */
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SelectFromPopAndArch < MOEOT > select;
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/** a default mutation */
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eoMonCloneOp < MOEOT > defaultMonOp;
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/** a default crossover */
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eoQuadCloneOp < MOEOT > defaultQuadOp;
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/** an object for genetic operators (used as default) */
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eoSGAGenOp < MOEOT > defaultSGAGenOp;
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/** general breeder */
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eoGeneralBreeder < MOEOT > genBreed;
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/** selectMany */
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eoSelectMany <MOEOT> selectMany;
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/** select Transform*/
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eoSelectTransform <MOEOT> selectTransform;
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/** breeder */
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eoBreed < MOEOT > & breed;
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/** Fuzzy archive*/
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moeoFuzzyArchive < MOEOT >& archive;
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/** diversity assignment used in E-SPEA2 */
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moeoFuzzyNearestNeighborDiversity < MOEOT > diversityAssignment;
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/** elitist replacement */
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moeoGenerationalReplacement < MOEOT > replace;
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/**Bert distance*/
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moeoBertDistance < MOEOT > dist;
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};
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#endif /*MOEOEXTENDEDSPEA2_H_*/
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