104 lines
3.3 KiB
C++
104 lines
3.3 KiB
C++
/*
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<moDoubleIncrEvaluation.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 moDoubleIncrEvaluation_H
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#define moDoubleIncrEvaluation_H
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#include <eval/moNeighborhoodEvaluation.h>
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#include <continuator/moUpdater.h>
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/**
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* Base class for the double incremental evaluation of the neighborhood
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*
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* The sizes of the neighborhoods are equal
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*/
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template<class Neighbor>
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class moDoubleIncrEvaluation : public moNeighborhoodEvaluation<Neighbor>, public moUpdater
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{
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public:
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typedef typename Neighbor::EOT EOT;
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typedef typename EOT::Fitness Fitness;
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/**
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* Constructor
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*
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* @param _neighborhoodSize the size of the neighborhood
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*/
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moDoubleIncrEvaluation(unsigned int _neighborhoodSize) : moNeighborhoodEvaluation<Neighbor>(), moUpdater(), neighborhoodSize(_neighborhoodSize), firstEval(true) {
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deltaFitness = new Fitness[neighborhoodSize];
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}
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/**
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* Destructor
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*/
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~moDoubleIncrEvaluation() {
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if (deltaFitness != NULL)
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delete [] deltaFitness;
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}
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/**
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* Initialisation of the evaluation process
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* The first evaluation will be a simple incremental evaluation
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*
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*/
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virtual void init() {
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firstEval = true;
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}
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virtual void operator()() {
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}
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/**
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* Evaluation of the neighborhood
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* Here nothing to do
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*
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* @param _solution the current solution
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*/
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virtual void operator()(EOT & _solution) {
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}
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/** the delta of fitness for each neighbors
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* The fitness of the neighbor i is given by : fitness(solution) + deltaFitness[i]
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*/
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Fitness * deltaFitness;
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protected:
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/** the neighborhood size */
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unsigned int neighborhoodSize;
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/** flag : true when it is the first evaluation */
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bool firstEval;
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};
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#endif
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