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trunk/paradiseo-moeo/src/fitness/moeoAggregativeFitnessAssignment.h
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/*
* <moeoAggregativeFitnessAssignment.h>
* Copyright (C) DOLPHIN Project-Team, INRIA Lille-Nord Europe, 2006-2008
* (C) OPAC Team, LIFL, 2002-2008
*
* Arnaud Liefooghe
* Jeremie Humeau
*
* 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
* requirements in conditions enabling the security of their systems and/or
* data to be ensured and, more generally, to use and operate it in the
* same conditions as regards security.
* The fact that you are presently reading this means that you have had
* knowledge of the CeCILL license and that you accept its terms.
*
* ParadisEO WebSite : http://paradiseo.gforge.inria.fr
* Contact: paradiseo-help@lists.gforge.inria.fr
*
*/
//-----------------------------------------------------------------------------
// moeoAggregativeFitnessAssignment.h
//-----------------------------------------------------------------------------
#ifndef MOEOAGGREGATIVEFITNESSASSIGNMENT_H_
#define MOEOAGGREGATIVEFITNESSASSIGNMENT_H_
#include <vector>
#include <eoPop.h>
/*
* Fitness assignment scheme which used weight foreach objectives
*/
template < class MOEOT >
class moeoAggregativeFitnessAssignment : public moeoFitnessAssignment < MOEOT >
{
public:
/** the objective vector type of the solutions */
typedef typename MOEOT::ObjectiveVector ObjectiveVector;
/**
* Default ctor
* @param _weight vectors contains all weights.
*/
moeoAggregativeFitnessAssignment(std::vector<double> & _weight) : weight(_weight)
{}
/**
* Sets the fitness values for every solution contained in the population _pop (and in the archive)
* @param _pop the population
*/
void operator()(eoPop < MOEOT > & _pop)
{
unsigned int i= _pop.size();
unsigned int nb_obj= MOEOT::ObjectiveVector::nObjectives();
double res;
for (unsigned int k=0; k<i; k++){
res=0;
for(unsigned int l=0; l<nb_obj; l++)
res+=_pop[k].objectiveVector()[l] * weight[l];
_pop[k].fitness(res);
}
}
/**
* Warning: no yet implemented: Updates the fitness values of the whole population _pop by taking the deletion of the objective vector _objVec into account.
* @param _pop the population
* @param _objVec the objective vector
*/
void updateByDeleting(eoPop < MOEOT > & _pop, ObjectiveVector & _objVec)
{
std::cout << "WARNING : updateByDeleting not implemented in moeoAssignmentFitnessAssignment" << std::endl;
}
private:
//the vector of weight
std::vector<double> weight;
};
#endif /*MOEOAGGREGATIVEFITNESSASSIGNMENT_H_*/