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Ajout des fichiers problems/eval/moPopXoverEval.h problems/bitString/moPopXover*.h pour le neighborhood lié au crossover

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git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1906 331e1502-861f-0410-8da2-ba01fb791d7f
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verel 2010-08-23 14:02:13 +00:00
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/*
<moPopXoverEval.h>
Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
Sebastien Verel, Arnaud Liefooghe, Jeremie 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 moPopXoverEval_H
#define moPopXoverEval_H
#include <eoFunctor.h>
#include <eval/moEval.h>
/**
* Class to compute the fitness of the solution-set after the crossover
*/
template<class Neighbor>
class moPopXoverEval : public moEval<Neighbor>
{
public:
typedef typename Neighbor::EOT EOT;
typedef typename Neighbor::SUBEOT SUBEOT; // type of the solution
typedef typename SUBEOT::Fitness Fitness; // fitness type of the solution
/**
* Default constructor
*
* @param _eval evaluation function of the solution
* @param _p exponent of the p-norm to compute the fitness of the solution-set
*/
moPopXoverEval(eoEvalFunc<SUBEOT>& _eval, unsigned int _p) : eval(_eval), p(_p) {
}
/**
* Compute the fitness of the neighbor after the crossover
*
* @param _sol the solution-set
* @param _n the neighbor which is supposed to be a "crossover" neighbor
*/
void operator()(EOT& _sol, Neighbor& _n){
if (_sol[0].size() > 0) {
// index of the solutions
unsigned int i1 = _n.index1();
unsigned int i2 = _n.index2();
// evaluation of the solutions which are moved
eval(_n.solution1());
eval(_n.solution2());
// save the fitness of the solution i1 and i2
Fitness f1 = _sol[i1].fitness();
Fitness f2 = _sol[i2].fitness();
_sol[i1].fitness(_n.solution1().fitness());
_sol[i2].fitness(_n.solution2().fitness());
// compute the fitness of the solution-set
double fit = 0;
for (unsigned int i = 0; i < _sol.size(); i++)
fit += pow((double) _sol[i].fitness(), (int) p);
fit = pow((double) fit, (double)1/p);
_n.fitness(fit);
// come back to the fitness of the initial solution
_sol[i1].fitness(f1);
_sol[i2].fitness(f2);
}
}
private:
eoEvalFunc<SUBEOT> & eval;
unsigned int p;
};
#endif