t-moeoCrowdingDiversityAssignment.cpp

/*
* <t-moeoCrowdingDiversityAssignment.cpp>
* 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
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* software by the user in light of its specific status of free software,
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*/
//-----------------------------------------------------------------------------
// t-moeoCrowdingDiversityAssignment.cpp
//-----------------------------------------------------------------------------

#include <eo>
#include <moeo>

//-----------------------------------------------------------------------------

class ObjectiveVectorTraits : public moeoObjectiveVectorTraits
{
public:
    static bool minimizing (int i)
    {
        return true;
    }
    static bool maximizing (int i)
    {
        return false;
    }
    static unsigned int nObjectives ()
    {
        return 2;
    }
};

typedef moeoRealObjectiveVector < ObjectiveVectorTraits > ObjectiveVector;

typedef MOEO < ObjectiveVector, double, double > Solution;

//-----------------------------------------------------------------------------

int main()
{
    std::cout << "[moeoCrowdingDiversityAssignment]\t=>\t";

    // objective vectors
    ObjectiveVector obj0, obj1, obj2, obj3;
    obj0[0] = 1;
    obj0[1] = 5;
    obj1[0] = 3;
    obj1[1] = 3;
    obj2[0] = 3;
    obj2[1] = 3;
    obj3[0] = 5;
    obj3[1] = 1;

    // population
    eoPop < Solution > pop;
    pop.resize(4);
    pop[0].objectiveVector(obj0);
    pop[1].objectiveVector(obj1);
    pop[2].objectiveVector(obj2);
    pop[3].objectiveVector(obj3);

    // diversity assignment
    moeoCrowdingDiversityAssignment< Solution > diversityAssignment;
    diversityAssignment(pop);

    // pop[0]
    if (pop[0].diversity() != diversityAssignment.inf())
    {
        std::cout << "ERROR (bad diversity for pop[0])" << std::endl;
        return EXIT_FAILURE;
    }
    // pop[1]
    if (pop[1].diversity() != 1.0)
    {
        std::cout << "ERROR (bad diversity for pop[1])" << std::endl;
        return EXIT_FAILURE;
    }
    // pop[2]
    if (pop[2].diversity() != 1.0)
    {
        std::cout << "ERROR (bad diversity for pop[2])" << std::endl;
        return EXIT_FAILURE;
    }
    // pop[3]
    if (pop[3].diversity() != diversityAssignment.inf())
    {
        std::cout << "ERROR (bad diversity for pop[3]) " << std::endl;
        return EXIT_FAILURE;
    }

    std::cout << "OK" << std::endl;
    return EXIT_SUCCESS;
}

//-----------------------------------------------------------------------------

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