paradiseo/moeo/tutorial/examples/flowshop/FlowShopEval.cpp
2012-08-30 11:30:11 +02:00

95 lines
3.6 KiB
C++

/*
* <FlowShopEval.cpp>
* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
* (C) OPAC Team, LIFL, 2002-2007
*
* Arnaud Liefooghe
*
* 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 <FlowShopEval.h>
FlowShopEval::FlowShopEval(unsigned int _M, unsigned int _N, const std::vector< std::vector<unsigned int> > & _p, const std::vector<unsigned int> & _d) :
M(_M), N (_N), p(_p), d(_d)
{}
void FlowShopEval::operator()(FlowShop & _flowshop)
{
FlowShopObjectiveVector objVector;
objVector[0] = makespan(_flowshop);
objVector[1] = tardiness(_flowshop);
_flowshop.objectiveVector(objVector);
}
double FlowShopEval::makespan(const FlowShop & _flowshop)
{
// completion times computation for each job on each machine
// C[i][j] = completion of the jth job of the scheduling on the ith machine
std::vector< std::vector<unsigned int> > C = completionTime(_flowshop);
return C[M-1][_flowshop[N-1]];
}
double FlowShopEval::tardiness(const FlowShop & _flowshop)
{
// completion times computation for each job on each machine
// C[i][j] = completion of the jth job of the scheduling on the ith machine
std::vector< std::vector<unsigned int> > C = completionTime(_flowshop);
// tardiness computation
unsigned int long sum = 0;
for (unsigned int j=0 ; j<N ; j++)
sum += (unsigned int) std::max (0, (int) (C[M-1][_flowshop[j]] - d[_flowshop[j]]));
return sum;
}
std::vector< std::vector<unsigned int> > FlowShopEval::completionTime(const FlowShop & _flowshop)
{
std::vector< std::vector<unsigned int> > C;
C.resize(M);
for (unsigned int i=0;i<M;i++)
{
C[i].resize(N);
}
C[0][_flowshop[0]] = p[0][_flowshop[0]];
for (unsigned int j=1; j<N; j++)
C[0][_flowshop[j]] = C[0][_flowshop[j-1]] + p[0][_flowshop[j]];
for (unsigned int i=1; i<M; i++)
C[i][_flowshop[0]] = C[i-1][_flowshop[0]] + p[i][_flowshop[0]];
for (unsigned int i=1; i<M; i++)
for (unsigned int j=1; j<N; j++)
C[i][_flowshop[j]] = std::max(C[i][_flowshop[j-1]], C[i-1][_flowshop[j]]) + p[i][_flowshop[j]];
return C;
}