moeoAggregativeComparator.h

/* 
* <moeoAggregativeComparator.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
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* economic rights,  and the successive licensors  have only  limited liability.
*
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//-----------------------------------------------------------------------------

#ifndef MOEOAGGREGATIVECOMPARATOR_H_
#define MOEOAGGREGATIVECOMPARATOR_H_

#include <comparator/moeoComparator.h>

template < class MOEOT >
class moeoAggregativeComparator : public moeoComparator < MOEOT >
{
public:

    moeoAggregativeComparator(double _weightFitness = 1.0, double _weightDiversity = 1.0) : weightFitness(_weightFitness), weightDiversity(_weightDiversity)
    {}


    const bool operator()(const MOEOT & _moeo1, const MOEOT & _moeo2)
    {
        return ( weightFitness * _moeo1.fitness() + weightDiversity * _moeo1.diversity() ) < ( weightFitness * _moeo2.fitness() + weightDiversity * _moeo2.diversity() );
    }


private:

    double weightFitness;
    double weightDiversity;

};

#endif /*MOEOAGGREGATIVECOMPARATOR_H_*/

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