7161febf9c
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@787 331e1502-861f-0410-8da2-ba01fb791d7f
88 lines
3 KiB
C++
Executable file
88 lines
3 KiB
C++
Executable file
/*
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* <moMoveSelect.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 __moMoveSelect_h
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#define __moMoveSelect_h
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#include <eoFunctor.h>
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//! Special class that describes the case of no selection.
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/*!
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This class is used as an exception that can be thrown if a solution selector has completly failed.
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*/
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class EmptySelection
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{};
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//! Class that describes a move selector (moMove).
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/*!
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It iteratively considers some moves (moMove) and their
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associated fitnesses. The best move is so regularly updated.
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At any time, it could be accessed.
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*/
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template < class M > class moMoveSelect:public eoBF < M &, typename M::EOType::Fitness &,
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void >
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{
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public:
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//! Alias for the fitness
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typedef
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typename
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M::EOType::Fitness
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Fitness;
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//! Procedure which initialises all that the move selector needs including the initial fitness.
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/*!
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In order to know the fitness of the solution,
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for which the neighborhood will
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be soon explored
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\param __fit the current fitness.
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*/
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virtual void
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init (const Fitness & __fit) = 0;
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//! Function which updates the best solutions.
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/*!
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\param __move a new move.
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\param __fit a fitness linked to the new move.
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\return a boolean that expresses the need to resume the exploration.
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*/
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virtual
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bool
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update (const M & __move, const Fitness & __fit) = 0;
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};
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#endif
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