paradiseo/moeo/src/selection/moeoDetArchiveSelect.h
2012-08-30 11:30:11 +02:00

99 lines
3.5 KiB
C++

/*
* <moeoDetArchiveSelect.h>
* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
* (C) OPAC Team, LIFL, 2002-2007
*
* Arnaud Liefooghe
* Jérémie Humeau
* François Legillon
* Thibaut demaret
*
* This software is governed by the CeCILL license under French law and
* abiding by the rules of distribution of free software. You can use,
* modify and/ or redistribute the software under the terms of the CeCILL
* license as circulated by CEA, CNRS and INRIA at the following URL
* "http://www.cecill.info".
*
* As a counterpart to the access to the source code and rights to copy,
* modify and redistribute granted by the license, users are provided only
* with a limited warranty and the software's author, the holder of the
* economic rights, and the successive licensors have only limited liability.
*
* In this respect, the user's attention is drawn to the risks associated
* with loading, using, modifying and/or developing or reproducing the
* software by the user in light of its specific status of free software,
* that may mean that it is complicated to manipulate, and that also
* therefore means that it is reserved for developers and experienced
* professionals having in-depth computer knowledge. Users are therefore
* encouraged to load and test the software's suitability as regards their
* requirements in conditions enabling the security of their systems and/or
* data to be ensured and, more generally, to use and operate it in the
* same conditions as regards security.
* The fact that you are presently reading this means that you have had
* knowledge of the CeCILL license and that you accept its terms.
*
* ParadisEO WebSite : http://paradiseo.gforge.inria.fr
* Contact: paradiseo-help@lists.gforge.inria.fr
*
*/
//-----------------------------------------------------------------------------
#ifndef MOEODETARCHIVESELECT_H
#define MOEODETARCHIVESELECT_H
#include <eoSelect.h>
#include <cassert>
template<class MOEOT>
class moeoDetArchiveSelect : public eoSelect<MOEOT>
{
public:
moeoDetArchiveSelect(moeoArchive < MOEOT > & _archive, unsigned int _max, unsigned int _min=0) :
archive(_archive), max(_max), min(_min) {}
/**
* Repopulate copying the archive, selecting randomly if the archive size is over bounds (min and max)
* @param _source compatibility parameter, not used
* @param _dest destination population, selected from archive
*/
void operator()(const eoPop < MOEOT > & _source, eoPop < MOEOT > & _dest)
{
if(max < min){
std::cout << "Warning! moeoDetArchiveSelect: min value > max value!!! Nothing is done." << std::endl;
}
else{
unsigned int archive_size = archive.size();
_dest.resize(0);
if ((archive_size >= min) && (archive_size <= max)){
for (unsigned int i=0; i<archive_size; i++)
_dest.push_back(archive[i]);
}
else if (archive_size > max){
UF_random_generator<unsigned int> rndGen;
std::vector <int> permutation;
for(unsigned int i=0; i < archive_size; i++)
permutation.push_back(i);
random_shuffle(permutation.begin(), permutation.end(), rndGen);
for (unsigned int i=0; i<max; i++)
_dest.push_back(archive[permutation[i]]);
}
else {
for (unsigned int i=0; i<min; i++){
_dest.push_back(archive[i%archive_size]);
}
}
}
}
private :
/** archive used to select MOEOT*/
moeoArchive < MOEOT > & archive;
/** max is the maximum size of the new population*/
unsigned int max;
/** min is the minimum size of the new population (default 0) */
unsigned int min;
};
#endif /*MOEODETARCHIVESELECT_H*/