8b3d81bd71
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@236 331e1502-861f-0410-8da2-ba01fb791d7f
118 lines
3.3 KiB
C++
118 lines
3.3 KiB
C++
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// moeoFitnessAssignment.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 MOEOFITNESSASSIGNMENT_H_
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#define MOEOFITNESSASSIGNMENT_H_
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#include <eoFunctor.h>
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#include <eoPop.h>
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/**
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* Functor that sets the fitness values of a whole population.
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*/
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template < class MOEOT >
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class moeoFitnessAssignment : public eoUF < eoPop < MOEOT > &, void >
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{
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public:
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/** The type for objective vector */
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typedef typename MOEOT::ObjectiveVector ObjectiveVector;
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/**
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* Updates the fitness values of the whole population _pop by taking the deletion of the objective vector _objVec into account.
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* @param _pop the population
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* @param _objVec the objective vector
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*/
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virtual void updateByDeleting(eoPop < MOEOT > & _pop, ObjectiveVector & _objVec) = 0;
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/**
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* Updates the fitness values of the whole population _pop by taking the deletion of the individual _moeo into account.
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* @param _pop the population
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* @param _moeo the individual
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*/
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void updateByDeleting(eoPop < MOEOT > & _pop, MOEOT & _moeo)
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{
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updateByDeleting(_pop, _moeo.objectiveVector());
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}
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};
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/**
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* moeoDummyFitnessAssignment is a moeoFitnessAssignment that gives the value '0' as the individual's fitness for a whole population if it is invalid.
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*/
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template < class MOEOT >
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class moeoDummyFitnessAssignment : public moeoFitnessAssignment < MOEOT >
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{
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public:
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/** The type for objective vector */
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typedef typename MOEOT::ObjectiveVector ObjectiveVector;
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/**
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* Sets the fitness to '0' for every individuals of the population _pop if it is invalid
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* @param _pop the population
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*/
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void operator () (eoPop < MOEOT > & _pop)
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{
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for (unsigned idx = 0; idx<_pop.size (); idx++)
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{
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if (_pop[idx].invalidFitness())
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{
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// set the diversity to 0
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_pop[idx].fitness(0.0);
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}
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}
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}
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/**
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* Updates the fitness values of the whole population _pop by taking the deletion of the objective vector _objVec into account.
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* @param _pop the population
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* @param _objVec the objective vector
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*/
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void updateByDeleting(eoPop < MOEOT > & _pop, ObjectiveVector & _objVec)
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{
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// nothing to do... ;-)
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}
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};
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/**
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* moeoScalarFitnessAssignment is a moeoFitnessAssignment for scalar strategies.
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*/
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template < class MOEOT >
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class moeoScalarFitnessAssignment : public moeoFitnessAssignment < MOEOT >
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{};
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/**
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* moeoCriterionBasedFitnessAssignment is a moeoFitnessAssignment for criterion-based strategies.
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*/
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template < class MOEOT >
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class moeoCriterionBasedFitnessAssignment : public moeoFitnessAssignment < MOEOT >
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{};
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/**
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* moeoParetoBasedFitnessAssignment is a moeoFitnessAssignment for Pareto-based strategies.
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*/
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template < class MOEOT >
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class moeoParetoBasedFitnessAssignment : public moeoFitnessAssignment < MOEOT >
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{};
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#endif /*MOEOFITNESSASSIGNMENT_H_*/
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