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# moTSMoveLoopExpl.h

    00001 /*
    00002 * <moTSMoveLoopExpl.h>
    00003 * Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
    00004 * (C) OPAC Team, LIFL, 2002-2007
    00005 *
    00006 * Sébastien Cahon, Jean-Charles Boisson (Jean-Charles.Boisson@lifl.fr)
    00007 *
    00008 * This software is governed by the CeCILL license under French law and
    00009 * abiding by the rules of distribution of free software.  You can  use,
    00010 * modify and/ or redistribute the software under the terms of the CeCILL
    00011 * license as circulated by CEA, CNRS and INRIA at the following URL
    00012 * "http://www.cecill.info".
    00013 *
    00014 * As a counterpart to the access to the source code and  rights to copy,
    00015 * modify and redistribute granted by the license, users are provided only
    00016 * with a limited warranty  and the software's author,  the holder of the
    00017 * economic rights,  and the successive licensors  have only  limited liability.
    00018 *
    00019 * In this respect, the user's attention is drawn to the risks associated
    00020 * with loading,  using,  modifying and/or developing or reproducing the
    00021 * software by the user in light of its specific status of free software,
    00022 * that may mean  that it is complicated to manipulate,  and  that  also
    00023 * therefore means  that it is reserved for developers  and  experienced
    00024 * professionals having in-depth computer knowledge. Users are therefore
    00025 * encouraged to load and test the software's suitability as regards their
    00026 * requirements in conditions enabling the security of their systems and/or
    00027 * data to be ensured and,  more generally, to use and operate it in the
    00028 * same conditions as regards security.
    00029 * The fact that you are presently reading this means that you have had
    00030 * knowledge of the CeCILL license and that you accept its terms.
    00031 *
    00032 * ParadisEO WebSite : http://paradiseo.gforge.inria.fr
    00033 * Contact: paradiseo-help@lists.gforge.inria.fr
    00034 *
    00035 */
    00036
    00037 #ifndef __moTSMoveLoopExpl_h
    00038 #define __moTSMoveLoopExpl_h
    00039
    00040 #include "moMoveLoopExpl.h"
    00041
    00042 #include "moMoveInit.h"
    00043 #include "moNextMove.h"
    00044 #include "moMoveIncrEval.h"
    00045 #include "moMoveSelect.h"
    00046
    00047 #include "moTabuList.h"
    00048 #include "moAspirCrit.h"
    00049 #include "moBestImprSelect.h"
    00050
    00052
    00055 template < class M > class moTSMoveLoopExpl:public moMoveLoopExpl < M >
    00056 {
    00057
    00059   typedef typename M::EOType EOT;
    00060
    00062   typedef typename M::EOType::Fitness Fitness;
    00063
    00064 public:
    00065
    00067
    00074 moTSMoveLoopExpl (moMoveInit < M > &__move_init, moNextMove < M > &__next_move, moMoveIncrEval < M > &__incr_eval, moTabuList < M > &__tabu_list, moAspirCrit < M > &__aspir_crit):
    00075   move_init (__move_init),
    00076     next_move (__next_move),
    00077     incr_eval (__incr_eval),
    00078     tabu_list (__tabu_list), aspir_crit (__aspir_crit)
    00079   {
    00080
    00081     tabu_list.init ();
    00082     aspir_crit.init ();
    00083   }
    00084
    00086
    00094   void operator   () (const EOT & __old_sol, EOT & __new_sol)
    00095   {
    00096
    00097     M move;
    00098
    00099
    00100     move_init (move, __old_sol);        /* Restarting the exploration of
    00101                                            of the neighborhood ! */
    00102
    00103     move_select.init (__old_sol.fitness ());
    00104
    00105     do
    00106       {
    00107
    00108         Fitness fit = incr_eval (move, __old_sol);
    00109
    00110         if (!tabu_list (move, __old_sol) || aspir_crit (move, fit))
    00111           {
    00112             if (!move_select.update (move, fit))
    00113               break;
    00114           }
    00115
    00116       }
    00117     while (next_move (move, __old_sol));
    00118
    00119     M best_move;
    00120
    00121     Fitness best_move_fit;
    00122
    00123     move_select (best_move, best_move_fit);
    00124
    00125     __new_sol.fitness (best_move_fit);
    00126     best_move (__new_sol);
    00127
    00128     /* Removing moves that are
    00129        no more tabu */
    00130     tabu_list.update ();
    00131
    00132     // Updating the tabu list
    00133     tabu_list.add (best_move, __new_sol);
    00134   }
    00135
    00136 private:
    00137
    00139   moMoveInit < M > &move_init;
    00140
    00142   moNextMove < M > &next_move;
    00143
    00145   moMoveIncrEval < M > &incr_eval;
    00146
    00148   moBestImprSelect < M > move_select;
    00149
    00151   moTabuList < M > &tabu_list;
    00152
    00154   moAspirCrit < M > &aspir_crit;
    00155 };
    00156
    00157 #endif