bda48533e8
When compiling whith --Wignored-qualifiers, g++ no more warns about ignoring const in methods *returning* a const, which isn't logical.
127 lines
4.3 KiB
C++
127 lines
4.3 KiB
C++
/*
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* <moeoGDominanceObjectiveVectorComparator.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 MOEOGDOMINANCEOBJECTIVEVECTORCOMPARATOR_H_
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#define MOEOGDOMINANCEOBJECTIVEVECTORCOMPARATOR_H_
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#include <comparator/moeoObjectiveVectorComparator.h>
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/**
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* This functor class allows to compare 2 objective vectors according to g-dominance.
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* The concept of g-dominance as been introduced in:
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* J. Molina, L. V. Santana, A. G. Hernandez-Diaz, C. A. Coello Coello, R. Caballero,
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* "g-dominance: Reference point based dominance" (2007)
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*/
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template < class ObjectiveVector >
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class moeoGDominanceObjectiveVectorComparator : public moeoObjectiveVectorComparator < ObjectiveVector >
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{
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public:
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/**
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* Ctor.
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* @param _ref the reference point
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*/
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moeoGDominanceObjectiveVectorComparator(ObjectiveVector & _ref) : ref(_ref)
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{}
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/**
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* Returns true if _objectiveVector1 is g-dominated by _objectiveVector2.
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* @param _objectiveVector1 the first objective vector
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* @param _objectiveVector2 the second objective vector
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*/
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bool operator()(const ObjectiveVector & _objectiveVector1, const ObjectiveVector & _objectiveVector2)
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{
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unsigned int flag1 = flag(_objectiveVector1);
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unsigned int flag2 = flag(_objectiveVector2);
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if (flag2==0)
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{
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// cannot dominate
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return false;
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}
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else if ( (flag2==1) && (flag1==0) )
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{
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// is dominated
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return true;
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}
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else // (flag1==1) && (flag2==1)
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{
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// both are on the good region, so let's use the classical Pareto dominance
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return paretoComparator(_objectiveVector1, _objectiveVector2);
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}
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}
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private:
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/** the reference point */
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ObjectiveVector & ref;
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/** Pareto comparator */
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moeoParetoObjectiveVectorComparator < ObjectiveVector > paretoComparator;
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/**
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* Returns the flag of _objectiveVector according to the reference point
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* @param _objectiveVector the first objective vector
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*/
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unsigned int flag(const ObjectiveVector & _objectiveVector)
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{
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unsigned int result=1;
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for (unsigned int i=0; i<ref.nObjectives(); i++)
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{
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if (_objectiveVector[i] > ref[i])
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{
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result=0;
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}
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}
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if (result==0)
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{
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result=1;
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for (unsigned int i=0; i<ref.nObjectives(); i++)
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{
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if (_objectiveVector[i] < ref[i])
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{
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result=0;
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}
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}
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}
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return result;
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}
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};
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#endif /*MOEOGDOMINANCEOBJECTIVEVECTORCOMPARATOR_H_*/
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