103 lines
3.1 KiB
C++
Executable file
103 lines
3.1 KiB
C++
Executable file
/*
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<moImprBestFitAspirCrit.h>
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Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2008
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(C) OPAC Team, LIFL, 2002-2008
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Sébastien Cahon, Jean-Charles Boisson (Jean-Charles.Boisson@lifl.fr)
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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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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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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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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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#ifndef _moImprBestFitAspirCrit_h
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#define _moImprBestFitAspirCrit_h
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#include <moAspirCrit.h>
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//! One of the possible moAspirCrit
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/*!
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This criterion is satisfied when a given fitness
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is the best ever considered.
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*/
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template < class M >
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class moImprBestFitAspirCrit:public moAspirCrit < M >
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{
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public:
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//! Alias for the fitness
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typedef typename M::EOType::Fitness Fitness;
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//! Contructor
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moImprBestFitAspirCrit (): first_time(true)
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{}
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//! Initialisation procedure
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void init ()
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{
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first_time = true;
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}
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//! Function that indicates if the current fitness is better that the already saved fitness
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/*!
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The first time, the function only saved the current move and fitness.
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\param _move A move.
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\param _fitness A fitness linked to the move.
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\return true The first time and if _fitness > best_fitness, else false.
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*/
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bool operator () (const M & _move, const Fitness & _fitness)
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{
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//code only used for avoiding warning because _move is not used in this function.
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const M move(_move);
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if (first_time)
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{
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best_fitness = _fitness;
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first_time = false;
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return true;
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}
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if (_fitness > best_fitness)
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{
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best_fitness = _fitness;
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return true;
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}
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return false;
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}
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private:
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//! Best fitness found until now
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Fitness best_fitness;
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//! Indicates that a fitness has been already saved or not
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bool first_time;
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};
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#endif
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