6ac32c4d0c
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1904 331e1502-861f-0410-8da2-ba01fb791d7f
82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
/*
|
|
<moPopSolEval.h>
|
|
Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
|
|
|
|
Sébastien Verel, 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 ue,
|
|
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".
|
|
|
|
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 _moPopSolEval_h
|
|
#define _moPopSolEval_h
|
|
|
|
#include <problems/bitString/moPopSol.h>
|
|
#include <eoEvalFunc.h>
|
|
#include <cmath>
|
|
|
|
/**
|
|
* To compute the fitness of a pop-based solution
|
|
*/
|
|
template< class EOT >
|
|
class moPopSolEval : public eoEvalFunc<EOT>
|
|
{
|
|
public:
|
|
typedef typename EOT::SUBEOT SUBEOT;
|
|
|
|
/**
|
|
* default constructor
|
|
*
|
|
* @param _eval evaluation function of the solution
|
|
* @param _p the exponent of the p-norm to compute the population based fitness
|
|
*/
|
|
moPopSolEval(eoEvalFunc<SUBEOT>& _eval, unsigned int _p): eval(_eval), p(_p){}
|
|
|
|
/**
|
|
* to compute the fitness of a population-based solution
|
|
* which is the norm p of the fitness of solutions: ( sigma_{i} f(s_i)^p )^(1/p)
|
|
*
|
|
* re-compute the fitness of solution which are invalid
|
|
*
|
|
* @param _sol the population-based solution to evaluate
|
|
*/
|
|
void operator() (EOT& _sol) {
|
|
double fit = 0;
|
|
|
|
for (unsigned int i = 0; i < _sol.size(); i++) {
|
|
if(_sol[i].invalid())
|
|
eval(_sol[i]);
|
|
|
|
fit += pow((double) _sol[i].fitness(), (int) p);
|
|
}
|
|
|
|
fit = pow((double) fit, (double)1/p);
|
|
|
|
_sol.fitness(fit);
|
|
}
|
|
|
|
private:
|
|
eoEvalFunc<SUBEOT>& eval;
|
|
unsigned int p;
|
|
};
|
|
|
|
#endif
|