5ccbfa458d
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@793 331e1502-861f-0410-8da2-ba01fb791d7f
131 lines
3.9 KiB
C++
Executable file
131 lines
3.9 KiB
C++
Executable file
/*
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* <moHCMoveLoopExpl.h>
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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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* Sébastien Cahon, Jean-Charles Boisson (Jean-Charles.Boisson@lifl.fr)
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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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#ifndef __moHCMoveLoopExpl_h
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#define __moHCMoveLoopExpl_h
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#include "moMoveLoopExpl.h"
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#include "moMoveInit.h"
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#include "moNextMove.h"
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#include "moMoveIncrEval.h"
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#include "moMoveSelect.h"
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//! Iterative explorer used by a moHC.
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template < class M > class moHCMoveLoopExpl:public moMoveLoopExpl < M >
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{
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//! Alias for the type.
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typedef typename M::EOType EOT;
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//! Alias for the fitness.
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typedef typename M::EOType::Fitness Fitness;
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public:
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//! Constructor.
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/*!
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All the boxes have to be specified.
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\param __move_init the move initialiser.
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\param __next_move the neighborhood explorer.
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\param __incr_eval (generally) efficient evaluation function.
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\param __move_select the move selector.
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*/
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moHCMoveLoopExpl (moMoveInit < M > &__move_init, moNextMove < M > &__next_move, moMoveIncrEval < M > &__incr_eval, moMoveSelect < M > &__move_select):
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move_init (__move_init),
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next_move (__next_move),
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incr_eval (__incr_eval), move_select (__move_select)
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{}
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//! Procedure which launches the explorer.
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/*!
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The exploration starts from an old solution and provides a new solution.
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\param __old_sol the current solution.
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\param __new_sol the new_sol (result of the procedure).
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*/
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void operator () (const EOT & __old_sol, EOT & __new_sol)
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{
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M move;
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//
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move_init (move, __old_sol); /* Restarting the exploration of
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of the neighborhood ! */
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move_select.init (__old_sol.fitness ());
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while (move_select.update (move, incr_eval (move, __old_sol))
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&& next_move (move, __old_sol));
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try
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{
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M best_move;
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Fitness best_move_fit;
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move_select (best_move, best_move_fit);
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best_move (__new_sol);
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__new_sol.fitness (best_move_fit);
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}
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catch (EmptySelection & __ex)
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{
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// ?
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}
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}
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private:
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//! Move initialiser.
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moMoveInit < M > &move_init;
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//! Neighborhood explorer.
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moNextMove < M > &next_move;
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//! (generally) Efficient evaluation.
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moMoveIncrEval < M > &incr_eval;
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//! Move selector.
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moMoveSelect < M > &move_select;
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};
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#endif
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