ebd175c05b
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@198 331e1502-861f-0410-8da2-ba01fb791d7f
149 lines
4.9 KiB
C++
149 lines
4.9 KiB
C++
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// moeoDetTournamentSelect.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 MOEODETTOURNAMENTSELECT_H_
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#define MOEODETTOURNAMENTSELECT_H_
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#include <moeoSelectOne.h>
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#include <moeoSelectors.h>
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/**
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* Selection strategy that selects ONE individual by deterministic tournament.
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*/
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template < class MOEOT >
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class moeoDetTournamentSelect:public moeoSelectOne <MOEOT>
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{
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public:
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/**
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* Full Ctor.
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* @param _evalFitness the fitness assignment strategy
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* @param _evalDiversity the diversity assignment strategy
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* @param _comparator the comparator (used to compare 2 individuals)
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* @param _tSize the number of individuals in the tournament (default: 2)
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*/
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moeoDetTournamentSelect (moeoFitnessAssignment < MOEOT > & _evalFitness, moeoDiversityAssignment < MOEOT > & _evalDiversity, moeoComparator < MOEOT > & _comparator, unsigned _tSize = 2) :
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evalFitness (_evalFitness), evalDiversity (_evalDiversity), comparator (_comparator), tSize (_tSize)
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{
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// consistency check
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if (tSize < 2)
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{
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cout << "Warning, Tournament size should be >= 2\nAdjusted to 2\n";
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tSize = 2;
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}
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}
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/**
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* Ctor without comparator. A moeoFitnessThenDiversityComparator is used as default.
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* @param _evalFitness the fitness assignment strategy
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* @param _evalDiversity the diversity assignment strategy
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* @param _tSize the number of individuals in the tournament (default: 2)
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*/
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moeoDetTournamentSelect (moeoFitnessAssignment < MOEOT > &_evalFitness, moeoDiversityAssignment < MOEOT > &_evalDiversity, unsigned _tSize = 2) :
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evalFitness (_evalFitness),evalDiversity(_evalDiversity),tSize(_tSize)
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{
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// a moeoFitThenDivComparator is used as default
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moeoFitnessThenDiversityComparator < MOEOT > & fitThenDivComparator;
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comparator = fitThenDivComparator;
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// consistency check
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if (tSize < 2)
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{
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cout << "Warning, Tournament size should be >= 2\nAdjusted to 2\n";
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tSize = 2;
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}
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}
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/**
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* Ctor without diversity assignment. A dummy diversity assignment is used.
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* @param _evalFitness the fitness assignment strategy
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* @param _comparator the comparator (used to compare 2 individuals)
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* @param _tSize the number of individuals in the tournament (default: 2)
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*/
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moeoDetTournamentSelect (moeoFitnessAssignment < MOEOT > & _evalFitness, moeoComparator < MOEOT > & _comparator, unsigned _tSize = 2) :
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evalFitness (_evalFitness), comparator (_comparator), tSize (_tSize)
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{
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// a dummy diversity is used as default
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moeoDummyDiversityAssignment < MOEOT > &dummyDiversityAssignment;
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evalDiversity = dummyDiversityAssignment;
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// consistency check
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if (tSize < 2)
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{
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cout << "Warning, Tournament size should be >= 2\nAdjusted to 2\n";
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tSize = 2;
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}
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}
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/**
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* Ctor without diversity assignment nor comparator.
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* A moeoDummyDiversityAssignment and a moeoFitnessThenDiversityComparator are used as default.
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* @param _evalFitness the fitness assignment strategy
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* @param _tSize the number of individuals in the tournament (default: 2)
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*/
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moeoDetTournamentSelect (moeoFitnessAssignment < MOEOT > & _evalFitness, unsigned _tSize = 2) :
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evalFitness (_evalFitness), tSize (_tSize)
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{
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// a dummy diversity is used as default
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moeoDummyDiversityAssignment < MOEOT > &dummyDiversityAssignment;
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evalDiversity = dummyDiversityAssignment;
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// a moeoFitThenDivComparator is used as default
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moeoFitnessThenDiversityComparator < MOEOT > &fitThenDivComparator;
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comparator = fitThenDivComparator;
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// consistency check
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if (tSize < 2)
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{
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cout << "Warning, Tournament size should be >= 2\nAdjusted to 2\n";
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tSize = 2;
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}
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}
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/**
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* Evaluate the fitness and the diversity of each individual of the population _pop.
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* @param _pop the population
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*/
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void setup (eoPop<MOEOT>& _pop)
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{
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// eval fitness
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evalFitness(_pop);
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// eval diversity
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evalDiversity(_pop);
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}
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/**
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* Apply the tournament to the given population
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* @param _pop the population
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*/
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const MOEOT & operator () (const eoPop < MOEOT > &_pop)
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{
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// use the selector
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return mo_deterministic_tournament(_pop,tSize,comparator);
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}
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protected:
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/** the fitness assignment strategy */
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moeoFitnessAssignment < MOEOT > & evalFitness;
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/** the diversity assignment strategy */
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moeoDiversityAssignment < MOEOT > & evalDiversity;
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/** the comparator (used to compare 2 individuals) */
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moeoComparator < MOEOT > & comparator;
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/** the number of individuals in the tournament */
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unsigned tSize;
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};
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#endif /*MOEODETTOURNAMENTSELECT_H_*/
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