82 lines
2.8 KiB
C++
82 lines
2.8 KiB
C++
/*
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* <moeoOneObjectiveComparator.h>
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* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
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* (C) OPAC Team, LIFL, 2002-2007
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*
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* Arnaud Liefooghe
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*
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* This software is governed by the CeCILL license under French law and
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* abiding by the rules of distribution of free software. You can use,
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* modify and/ or redistribute the software under the terms of the CeCILL
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* license as circulated by CEA, CNRS and INRIA at the following URL
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* "http://www.cecill.info".
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*
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* As a counterpart to the access to the source code and rights to copy,
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* modify and redistribute granted by the license, users are provided only
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* with a limited warranty and the software's author, the holder of the
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* economic rights, and the successive licensors have only limited liability.
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*
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* In this respect, the user's attention is drawn to the risks associated
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* with loading, using, modifying and/or developing or reproducing the
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* software by the user in light of its specific status of free software,
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* that may mean that it is complicated to manipulate, and that also
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* therefore means that it is reserved for developers and experienced
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* professionals having in-depth computer knowledge. Users are therefore
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* encouraged to load and test the software's suitability as regards their
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* requirements in conditions enabling the security of their systems and/or
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* data to be ensured and, more generally, to use and operate it in the
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* same conditions as regards security.
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* The fact that you are presently reading this means that you have had
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* knowledge of the CeCILL license and that you accept its terms.
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*
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* ParadisEO WebSite : http://paradiseo.gforge.inria.fr
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* Contact: paradiseo-help@lists.gforge.inria.fr
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*
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*/
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//-----------------------------------------------------------------------------
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#ifndef MOEOONEOBJECTIVECOMPARATOR_H_
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#define MOEOONEOBJECTIVECOMPARATOR_H_
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#include <comparator/moeoComparator.h>
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/**
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* Functor allowing to compare two solutions according to one objective.
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*/
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template < class MOEOT >
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class moeoOneObjectiveComparator : public moeoComparator < MOEOT >
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{
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public:
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/**
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* Ctor.
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* @param _obj the index of objective
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*/
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moeoOneObjectiveComparator(unsigned int _obj) : obj(_obj)
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{
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if (obj > MOEOT::ObjectiveVector::nObjectives())
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{
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throw eoException("Problem with the index of objective in moeoOneObjectiveComparator");
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}
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}
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/**
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* Returns true if _moeo1 < _moeo2 on the obj objective
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* @param _moeo1 the first solution
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* @param _moeo2 the second solution
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*/
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bool operator()(const MOEOT & _moeo1, const MOEOT & _moeo2)
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{
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return _moeo1.objectiveVector()[obj] < _moeo2.objectiveVector()[obj];
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}
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private:
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/** the index of objective */
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unsigned int obj;
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};
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#endif /*MOEOONEOBJECTIVECOMPARATOR_H_*/
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