93533e5fad
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1819 331e1502-861f-0410-8da2-ba01fb791d7f
113 lines
3.8 KiB
C++
113 lines
3.8 KiB
C++
/*
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<moNeighborFitnessStat.h>
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Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
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Sebastien Verel, Arnaud Liefooghe, Jeremie Humeau
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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 moNeighborFitnessStat_h
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#define moNeighborFitnessStat_h
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#include <continuator/moStat.h>
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#include <neighborhood/moNeighborhood.h>
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#include <eval/moEval.h>
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/**
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* Compute the fitness of one random neighbor
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*/
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template< class Neighbor >
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class moNeighborFitnessStat : public moStat<typename Neighbor::EOT, typename Neighbor::EOT::Fitness>
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{
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public :
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typedef typename Neighbor::EOT EOT ;
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typedef moNeighborhood<Neighbor> Neighborhood ;
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typedef typename EOT::Fitness Fitness ;
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using moStat< EOT, Fitness >::value;
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/**
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* Constructor
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* @param _neighborhood a neighborhood
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* @param _eval an evaluation function
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*/
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moNeighborFitnessStat(Neighborhood& _neighborhood, moEval<Neighbor>& _eval):
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moStat<EOT, Fitness>(Fitness(), "neighborhood"),
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neighborhood(_neighborhood), eval(_eval)
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{
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if (!neighborhood.isRandom()) {
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std::cout << "moNeighborFitnessStat::Warning -> the neighborhood used is not random, the neighbor will not be random" << std::endl;
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}
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}
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/**
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* Compute the fitness of one random neighbor
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* @param _solution the first solution
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*/
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virtual void init(EOT & _solution) {
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operator()(_solution);
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}
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/**
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* Compute the fitness of one random neighbor
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* @param _solution the corresponding solution
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*/
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virtual void operator()(EOT & _solution) {
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if (neighborhood.hasNeighbor(_solution)) {
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Neighbor current ;
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//init the first neighbor which is supposed to be random
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neighborhood.init(_solution, current);
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//eval the _solution moved with the neighbor and stock the result in the neighbor
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eval(_solution, current);
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// the fitness value is collected
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value() = current.fitness();
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} else {
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//if _solution hasn't neighbor,
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value() = Fitness();
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}
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}
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/**
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* @return the class name
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*/
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virtual std::string className(void) const {
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return "moNeighborFitnessStat";
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}
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private:
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// the neighborhood
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Neighborhood& neighborhood ;
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moEval<Neighbor>& eval;
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};
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#endif
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