paradiseo/contribution/branches/MOLS/src2/moeoNumberUnvisitedSelect.h

78 lines
2.6 KiB
C++

/*
* <moeoNumberUnvisitedSelect.h>
* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2008
* (C) OPAC Team, LIFL, 2002-2008
*
* Arnaud Liefooghe
* Jérémie Humeau
*
* 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 _MOEONUMBERUNVISITEDSELECT_H
#define _MOEONUMBERUNVISITEDSELECT_H
#include <eo>
#include <moeo>
/**
* TODO
*/
template < class MOEOT >
class moeoNumberUnvisitedSelect : public moeoUnvisitedSelect < MOEOT >
{
public:
moeoNumberUnvisitedSelect(unsigned int _number): number(_number){}
std::vector <unsigned int> operator()(eoPop < MOEOT > & _src)
{
std::vector <unsigned int> res;
res.resize(0);
for (unsigned int i=0; i<_src.size(); i++)
{
if (_src[i].flag() == 0)
res.push_back(i);
}
if(number < res.size()){
UF_random_generator<unsigned int> rndGen;
std::random_shuffle(res.begin(), res.end(), rndGen);
res.resize(number);
}
return res;
}
private:
unsigned int number;
};
#endif /*_MOEONUMBERUNVISITEDSELECT_H_*/