74 lines
2.7 KiB
C++
74 lines
2.7 KiB
C++
/*
|
|
* <DTLZ1Eval.cpp>
|
|
* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2008
|
|
* (C) OPAC Team, LIFL, 2002-2008
|
|
*
|
|
* 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
|
|
*
|
|
*/
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#include <DTLZ1Eval.h>
|
|
|
|
#define M_PI 3.14159265358979323846
|
|
// Ce code est implémenté à partir de DEME:Dtlz1.cpp
|
|
void DTLZ1Eval::operator() (DTLZ & _element)
|
|
{
|
|
if (_element.invalidObjectiveVector())
|
|
{
|
|
int nbFun= DTLZ::ObjectiveVector::nObjectives();
|
|
int nbVar= _element.size();
|
|
int k;
|
|
double g;
|
|
DTLZObjectiveVector objVec(nbVar);
|
|
|
|
k = nbVar - nbFun + 1;
|
|
g = 0.0;
|
|
for (unsigned i = nbVar - k + 1; i <= nbVar; i++)
|
|
g += pow(_element[i-1]-0.5,2) - cos(20 * M_PI * (_element[i-1]-0.5));
|
|
|
|
g = 100 *(k + g);
|
|
|
|
for (unsigned i = 1; i <= nbFun; i++) {
|
|
double f = 0.5 * (1 + g);
|
|
for (unsigned j = nbFun - i; j >= 1; j--)
|
|
f *= _element[j-1];
|
|
|
|
if (i > 1)
|
|
f *= 1 - _element[(nbFun - i + 1) - 1];
|
|
|
|
objVec[i-1] = f;
|
|
}
|
|
|
|
_element.objectiveVector(objVec);
|
|
}
|
|
}
|
|
|