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git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@267 331e1502-861f-0410-8da2-ba01fb791d7f
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liefooga 2007-04-17 15:53:56 +00:00
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trunk/paradiseo-moeo/src/moeoDetTournamentSelect.h Normal file
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
//-----------------------------------------------------------------------------
// moeoDetTournamentSelect.h
// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007
/*
This library...
Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
*/
//-----------------------------------------------------------------------------
#ifndef MOEODETTOURNAMENTSELECT_H_
#define MOEODETTOURNAMENTSELECT_H_
#include <moeoComparator.h>
#include <moeoSelectOne.h>
#include <moeoSelectors.h>
/**
* Selection strategy that selects ONE individual by deterministic tournament.
*/
template < class MOEOT > class moeoDetTournamentSelect:public moeoSelectOne <
MOEOT >
{
public:
/**
* Full Ctor.
* @param _comparator the comparator (used to compare 2 individuals)
* @param _tSize the number of individuals in the tournament (default: 2)
*/
moeoDetTournamentSelect (moeoComparator < MOEOT > &_comparator, unsigned _tSize = 2):
comparator (_comparator), tSize (_tSize)
{
// consistency check
if (tSize < 2)
{
std::
cout << "Warning, Tournament size should be >= 2\nAdjusted to 2\n";
tSize = 2;
}
}
/**
* Ctor without comparator. A moeoFitnessThenDiversityComparator is used as default.
* @param _tSize the number of individuals in the tournament (default: 2)
*/
moeoDetTournamentSelect (unsigned _tSize = 2):
comparator (*(new moeoFitnessThenDiversityComparator < MOEOT > ())),
tSize (_tSize)
{
// consistency check
if (tSize < 2)
{
std::
cout << "Warning, Tournament size should be >= 2\nAdjusted to 2\n";
tSize = 2;
}
}
/**
* Apply the tournament to the given population
* @param _pop the population
*/
const MOEOT & operator () (const eoPop < MOEOT > &_pop)
{
// use the selector
return mo_deterministic_tournament (_pop, tSize, comparator);
}
protected:
/** the comparator (used to compare 2 individuals) */
moeoComparator < MOEOT > &comparator;
/** the number of individuals in the tournament */
unsigned tSize;
};
#endif /*MOEODETTOURNAMENTSELECT_H_ */