7e47894417
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@371 331e1502-861f-0410-8da2-ba01fb791d7f
55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// moeoAggregativeComparator.h
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// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007
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/*
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This library...
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Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
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*/
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//-----------------------------------------------------------------------------
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#ifndef MOEOAGGREGATIVECOMPARATOR_H_
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#define MOEOAGGREGATIVECOMPARATOR_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 their fitness and diversity values, each according to its aggregative value.
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*/
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template < class MOEOT >
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class moeoAggregativeComparator : 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 _weightFitness the weight for fitness
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* @param _weightDiversity the weight for diversity
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*/
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moeoAggregativeComparator(double _weightFitness = 1.0, double _weightDiversity = 1.0) : weightFitness(_weightFitness), weightDiversity(_weightDiversity)
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{}
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/**
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* Returns true if _moeo1 < _moeo2 according to the aggregation of their fitness and diversity values
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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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const bool operator()(const MOEOT & _moeo1, const MOEOT & _moeo2)
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{
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return ( weightFitness * _moeo1.fitness() + weightDiversity * _moeo1.diversity() ) < ( weightFitness * _moeo2.fitness() + weightDiversity * _moeo2.diversity() );
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}
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private:
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/** the weight for fitness */
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double weightFitness;
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/** the weight for diversity */
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double weightDiversity;
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};
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#endif /*MOEOAGGREGATIVECOMPARATOR_H_*/
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