c2771d8a3a
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1728 331e1502-861f-0410-8da2-ba01fb791d7f
77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
/*
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<moRestartPerturb.h>
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Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
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Sébastien Verel, Arnaud Liefooghe, Jérémie 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 ue,
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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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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 _moRestartPerturb_h
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#define _moRestartPerturb_h
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#include <eoEvalFunc.h>
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#include <eoInit.h>
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#include <perturb/moPerturbation.h>
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#include <memory/moCountMoveMemory.h>
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/**
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* Restart Perturbation : restart when maximum number of iteration with no improvement is reached
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*/
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template< class Neighbor >
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class moRestartPerturb : public moPerturbation<Neighbor>, public moCountMoveMemory<Neighbor> {
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public:
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typedef typename Neighbor::EOT EOT;
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/**
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* Default Constructor
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* @param _init an initializer of solution
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* @param _fullEval a full evaluation function
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* @param _threshold maximum number of iteration with no improvement
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*/
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moRestartPerturb(eoInit<EOT>& _init, eoEvalFunc<EOT>& _fullEval, unsigned int _threshold):init(_init), fullEval(_fullEval), threshold(_threshold) {}
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/**
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* Apply restart when necessary
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* @param _solution to restart
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* @return true
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*/
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bool operator()(EOT& _solution){
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if((*this).getCounter()>= threshold){
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init(_solution);
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fullEval(_solution);
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(*this).initCounter();
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}
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return true;
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}
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private:
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eoInit<EOT>& init;
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eoEvalFunc<EOT>& fullEval;
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unsigned int threshold;
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};
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#endif
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