diff --git a/trunk/paradiseo-mo/src/continuator/moEvalsContinuator.h b/trunk/paradiseo-mo/src/continuator/moEvalsContinuator.h new file mode 100644 index 000000000..3f9ee7f79 --- /dev/null +++ b/trunk/paradiseo-mo/src/continuator/moEvalsContinuator.h @@ -0,0 +1,99 @@ +/* + +Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010 + +Sebastien Verel, Arnaud Liefooghe, Jeremie Humeau + +This software is governed by the CeCILL license under French law and +abiding by the rules of distribution of free software. You can ue, +modify and/ or redistribute the software under the terms of the CeCILL +license as circulated by CEA, CNRS and INRIA at the following URL +"http://www.cecill.info". + +In this respect, the user's attention is drawn to the risks associated +with loading, using, modifying and/or developing or reproducing the +software by the user in light of its specific status of free software, +that may mean that it is complicated to manipulate, and that also +therefore means that it is reserved for developers and experienced +professionals having in-depth computer knowledge. Users are therefore +encouraged to load and test the software's suitability as regards their +requirements in conditions enabling the security of their systems and/or +data to be ensured and, more generally, to use and operate it in the +same conditions as regards security. +The fact that you are presently reading this means that you have had +knowledge of the CeCILL license and that you accept its terms. + +ParadisEO WebSite : http://paradiseo.gforge.inria.fr +Contact: paradiseo-help@lists.gforge.inria.fr +*/ + +#ifndef _moEvalsContinuator_h +#define _moEvalsContinuator_h + +#include +#include +#include +#include + +/** + * Continue until a maximum fixed number of full evaluation and neighbor evaluation is reached (total number of evaluation = full evaluation + incremental evaluation) + * + * + * Becareful 1: if restartCounter is true, then the number of neighbor evaluations (for example incremental evaluations) is considered during the local search (not before it) + * + * Becareful 2: Can not be used if the evaluation function is used in parallel + * + * Becareful 3: Check if the incremental does not use full evaluation, otherwise the total number of evaluations is not correct + */ +template< class Neighbor > +class moEvalsContinuator : public moContinuator +{ +public: + typedef typename Neighbor::EOT EOT ; + + /** + * Constructor + * @param _fullEval full evaluation function to count + * @param _NeighborEval neighbor evaluation function to count + * @param _maxEvals number maximum of evaluations (full and incremental evaluations) + * @param _restartCounter if true the counter of number of evaluations restarts to "zero" at initialization, if false, the number is cumulative + */ + moEvalsContinuator(eoEvalFuncCounter & _fullEval, moEvalCounter & _neighborEval, unsigned int _maxEvals, bool _restartCounter = true): fullEval(_fullEval), neighborEval(_neighborEval), maxEvals(_maxEvals), restartCounter(_restartCounter) {} + + /** + * Test if continue + * @param _solution a solution + * @return true if number of evaluations < maxEvals + */ + virtual bool operator()(EOT & _solution) { + return (fullEval.value() + neighborEval.value() - nbEval_start < maxEvals); + } + + /** + * Reset the number of evaluations + * @param _solution a solution + */ + virtual void init(EOT & _solution) { + if (restartCounter) + nbEval_start = fullEval.value() + neighborEval.value(); + else + nbEval_start = 0; + } + + /** + * the current number of evaluation from the begining + * @return the number of evaluation + */ + unsigned int value() { + return fullEval.value() + neighborEval.value() - nbEval_start ; + } + +private: + eoEvalFuncCounter & fullEval; + moEvalCounter & neighborEval; + unsigned int maxEvals; + bool restartCounter; + unsigned int nbEval_start ; + +}; +#endif