96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
/*
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<moValueParamContinuator.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 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 _moValueParamContinuator_h
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#define _moValueParamContinuator_h
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#include <continuator/moContinuator.h>
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//#include <neighborhood/moNeighborhood.h>
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#include <utils/eoParam.h>
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/**
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* Continue until a maximum fixed number of full evaluation is reached
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*
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*
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* Becareful 1: if restartCounter is true, then the number of full evaluations is considered during the local search (not before it)
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*
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* Becareful 2: Can not be used if the evaluation function is used in parallel
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*/
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template< class Neighbor, class ValueType >
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class moValueParamContinuator : public moContinuator<Neighbor>
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{
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public:
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typedef typename Neighbor::EOT EOT ;
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/**
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* Constructor
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* @param _eval evaluation function to count
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* @param _maxValue bound of the value
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* @param _restartCounter if true the counter of number of evaluations restarts to "zero" at initialization, if false, the number is cumulative
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*/
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moValueParamContinuator(eoValueParam<ValueType> & _valueParam, unsigned int _maxValue, bool _restartCounter = true): valueParam(_valueParam), maxValue(_maxValue), restartCounter(_restartCounter) {
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value_start = valueParam.value();
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}
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/**
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* Test if continue
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* @param _solution a solution
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* @return true if number of evaluations < maxValue
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*/
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virtual bool operator()(EOT & _solution) {
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return (valueParam.value() - value_start < maxValue);
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}
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/**
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* Reset the number of evaluations
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* @param _solution a solution
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*/
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virtual void init(EOT & _solution) {
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if (restartCounter)
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value_start = valueParam.value();
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else
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value_start = 0;
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}
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/**
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* the current number of evaluation from the begining
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* @return the number of evaluation
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*/
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unsigned int value() {
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return valueParam.value() - value_start ;
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}
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private:
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eoValueParam<ValueType> & valueParam;
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ValueType value_start ;
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bool restartCounter;
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unsigned int maxValue ;
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};
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#endif
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