moeoNSGA.h

/*
* <moeoNSGA.h>
* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
* (C) OPAC Team, LIFL, 2002-2007
*
* Arnaud Liefooghe
*
* This software is governed by the CeCILL license under French law and
* abiding by the rules of distribution of free software.  You can  use,
* modify and/ or redistribute the software under the terms of the CeCILL
* license as circulated by CEA, CNRS and INRIA at the following URL
* "http://www.cecill.info".
*
* As a counterpart to the access to the source code and  rights to copy,
* modify and redistribute granted by the license, users are provided only
* with a limited warranty  and the software's author,  the holder of the
* economic rights,  and the successive licensors  have only  limited liability.
*
* In this respect, the user's attention is drawn to the risks associated
* with loading,  using,  modifying and/or developing or reproducing the
* software by the user in light of its specific status of free software,
* that may mean  that it is complicated to manipulate,  and  that  also
* therefore means  that it is reserved for developers  and  experienced
* professionals having in-depth computer knowledge. Users are therefore
* encouraged to load and test the software's suitability as regards their
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* same conditions as regards security.
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*
* ParadisEO WebSite : http://paradiseo.gforge.inria.fr
* Contact: paradiseo-help@lists.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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