95 lines
3.6 KiB
C++
95 lines
3.6 KiB
C++
/*
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* <FlowShopEval.cpp>
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* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
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* (C) OPAC Team, LIFL, 2002-2007
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*
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* Arnaud Liefooghe
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*
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* This software is governed by the CeCILL license under French law and
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* abiding by the rules of distribution of free software. You can use,
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* modify and/ or redistribute the software under the terms of the CeCILL
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* license as circulated by CEA, CNRS and INRIA at the following URL
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* "http://www.cecill.info".
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*
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* As a counterpart to the access to the source code and rights to copy,
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* modify and redistribute granted by the license, users are provided only
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* with a limited warranty and the software's author, the holder of the
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* economic rights, and the successive licensors have only limited liability.
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*
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* In this respect, the user's attention is drawn to the risks associated
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* with loading, using, modifying and/or developing or reproducing the
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* software by the user in light of its specific status of free software,
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* that may mean that it is complicated to manipulate, and that also
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* therefore means that it is reserved for developers and experienced
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* professionals having in-depth computer knowledge. Users are therefore
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* encouraged to load and test the software's suitability as regards their
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* requirements in conditions enabling the security of their systems and/or
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* data to be ensured and, more generally, to use and operate it in the
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* same conditions as regards security.
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* The fact that you are presently reading this means that you have had
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* knowledge of the CeCILL license and that you accept its terms.
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*
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* ParadisEO WebSite : http://paradiseo.gforge.inria.fr
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* Contact: paradiseo-help@lists.gforge.inria.fr
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*
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*/
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//-----------------------------------------------------------------------------
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#include <FlowShopEval.h>
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FlowShopEval::FlowShopEval(unsigned int _M, unsigned int _N, const std::vector< std::vector<unsigned int> > & _p, const std::vector<unsigned int> & _d) :
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M(_M), N (_N), p(_p), d(_d)
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{}
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void FlowShopEval::operator()(FlowShop & _flowshop)
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{
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FlowShopObjectiveVector objVector;
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objVector[0] = makespan(_flowshop);
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objVector[1] = tardiness(_flowshop);
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_flowshop.objectiveVector(objVector);
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}
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double FlowShopEval::makespan(const FlowShop & _flowshop)
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{
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// completion times computation for each job on each machine
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// C[i][j] = completion of the jth job of the scheduling on the ith machine
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std::vector< std::vector<unsigned int> > C = completionTime(_flowshop);
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return C[M-1][_flowshop[N-1]];
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}
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double FlowShopEval::tardiness(const FlowShop & _flowshop)
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{
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// completion times computation for each job on each machine
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// C[i][j] = completion of the jth job of the scheduling on the ith machine
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std::vector< std::vector<unsigned int> > C = completionTime(_flowshop);
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// tardiness computation
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unsigned int long sum = 0;
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for (unsigned int j=0 ; j<N ; j++)
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sum += (unsigned int) std::max (0, (int) (C[M-1][_flowshop[j]] - d[_flowshop[j]]));
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return sum;
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}
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std::vector< std::vector<unsigned int> > FlowShopEval::completionTime(const FlowShop & _flowshop)
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{
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std::vector< std::vector<unsigned int> > C;
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C.resize(M);
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for (unsigned int i=0;i<M;i++)
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{
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C[i].resize(N);
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}
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C[0][_flowshop[0]] = p[0][_flowshop[0]];
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for (unsigned int j=1; j<N; j++)
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C[0][_flowshop[j]] = C[0][_flowshop[j-1]] + p[0][_flowshop[j]];
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for (unsigned int i=1; i<M; i++)
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C[i][_flowshop[0]] = C[i-1][_flowshop[0]] + p[i][_flowshop[0]];
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for (unsigned int i=1; i<M; i++)
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for (unsigned int j=1; j<N; j++)
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C[i][_flowshop[j]] = std::max(C[i][_flowshop[j-1]], C[i-1][_flowshop[j]]) + p[i][_flowshop[j]];
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return C;
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}
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