moeoNSGA.h

// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-

//-----------------------------------------------------------------------------
// moeoNSGA.h
// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007
/*
    This library...

    Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
 */
//-----------------------------------------------------------------------------

#ifndef MOEONSGA_H_
#define MOEONSGA_H_

#include <eoBreed.h>
#include <eoContinue.h>
#include <eoEvalFunc.h>
#include <eoGenContinue.h>
#include <eoGeneralBreeder.h>
#include <eoGenOp.h>
#include <eoPopEvalFunc.h>
#include <eoSGAGenOp.h>
#include <algo/moeoEA.h>
#include <diversity/moeoFrontByFrontSharingDiversityAssignment.h>
#include <fitness/moeoFastNonDominatedSortingFitnessAssignment.h>
#include <replacement/moeoElitistReplacement.h>
#include <selection/moeoDetTournamentSelect.h>

template < class MOEOT >
class moeoNSGA: public moeoEA < MOEOT >
{
public:

    moeoNSGA (unsigned int _maxGen, eoEvalFunc < MOEOT > & _eval, eoGenOp < MOEOT > & _op, double _nicheSize = 0.5) :
            defaultGenContinuator(_maxGen), continuator(defaultGenContinuator), popEval(_eval), select(2),
            diversityAssignment(_nicheSize), replace(fitnessAssignment, diversityAssignment), genBreed(select, _op), breed(genBreed)
    {}


    moeoNSGA (unsigned int _maxGen, eoEvalFunc < MOEOT > & _eval, eoTransform < MOEOT > & _op, double _nicheSize = 0.5) :
            defaultGenContinuator(_maxGen), continuator(defaultGenContinuator), popEval(_eval), select(2),
            diversityAssignment(_nicheSize), replace(fitnessAssignment, diversityAssignment), genBreed(select, _op), breed(genBreed)
    {}


    moeoNSGA (unsigned int _maxGen, eoEvalFunc < MOEOT > & _eval, eoQuadOp < MOEOT > & _crossover, double _pCross, eoMonOp < MOEOT > & _mutation, double _pMut, double _nicheSize = 0.5) :
            defaultGenContinuator(_maxGen), continuator(defaultGenContinuator), popEval(_eval), select (2),
            diversityAssignment(_nicheSize), replace (fitnessAssignment, diversityAssignment),
            defaultSGAGenOp(_crossover, _pCross, _mutation, _pMut), genBreed (select, defaultSGAGenOp), breed (genBreed)
    {}


    moeoNSGA (eoContinue < MOEOT > & _continuator, eoEvalFunc < MOEOT > & _eval, eoGenOp < MOEOT > & _op, double _nicheSize = 0.5) :
            continuator(_continuator), popEval(_eval), select(2),
            diversityAssignment(_nicheSize), replace(fitnessAssignment, diversityAssignment), genBreed(select, _op), breed(genBreed)
    {}


    moeoNSGA (eoContinue < MOEOT > & _continuator, eoEvalFunc < MOEOT > & _eval, eoTransform < MOEOT > & _op, double _nicheSize = 0.5) :
            continuator(_continuator), popEval(_eval), select(2),
            diversityAssignment(_nicheSize), replace(fitnessAssignment, diversityAssignment), genBreed(select, _op), breed(genBreed)
    {}


    virtual void operator () (eoPop < MOEOT > &_pop)
    {
        eoPop < MOEOT > offspring, empty_pop;
        popEval (empty_pop, _pop);      // a first eval of _pop
        // evaluate fitness and diversity
        fitnessAssignment(_pop);
        diversityAssignment(_pop);
        do
        {
            // generate offspring, worths are recalculated if necessary
            breed (_pop, offspring);
            // eval of offspring
            popEval (_pop, offspring);
            // after replace, the new pop is in _pop. Worths are recalculated if necessary
            replace (_pop, offspring);
        } while (continuator (_pop));
    }


protected:

    eoGenContinue < MOEOT > defaultGenContinuator;
    eoContinue < MOEOT > & continuator;
    eoPopLoopEval < MOEOT > popEval;
    moeoDetTournamentSelect < MOEOT > select;
    moeoFastNonDominatedSortingFitnessAssignment < MOEOT > fitnessAssignment;
    moeoFrontByFrontSharingDiversityAssignment  < MOEOT > diversityAssignment;
    moeoElitistReplacement < MOEOT > replace;
    eoSGAGenOp < MOEOT > defaultSGAGenOp;
    eoGeneralBreeder < MOEOT > genBreed;
    eoBreed < MOEOT > & breed;

};

#endif /*MOEONSGAII_H_*/

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