93533e5fad
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1819 331e1502-861f-0410-8da2-ba01fb791d7f
93 lines
3.1 KiB
C++
93 lines
3.1 KiB
C++
/*
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<moDistanceStat.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 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 moDistanceStat_h
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#define moDistanceStat_h
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#include <utils/eoDistance.h>
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#include <continuator/moStat.h>
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/**
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* The statistic gives the distance to a reference solution
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* The reference solution could be the global optimum, or the best knowed solution
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* It allows to compute the Fitness-Distance correlation (FDC)
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*/
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template <class EOT, class T = double>
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class moDistanceStat : public moStat<EOT, T>
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{
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public :
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using moStat< EOT, T >::value;
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/**
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* Constructor
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* @param _dist a distance
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* @param _ref the reference solution
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*/
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moDistanceStat(eoDistance<EOT> & _dist, EOT & _ref): moStat<EOT, T>(0, "distance"), dist(_dist), refSolution(_ref) {}
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/**
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* Compute distance between the first solution and the reference solution
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* @param _sol the first solution
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*/
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virtual void init(EOT & _sol) {
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value() = dist(_sol, refSolution);
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}
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/**
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* Compute distance between a solution and the reference solution
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* @param _sol a solution
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*/
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virtual void operator()(EOT & _sol) {
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value() = dist(_sol, refSolution);
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}
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/**
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* @return name of the class
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*/
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virtual std::string className(void) const {
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return "moDistanceStat";
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}
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private:
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/** the distance */
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eoDistance<EOT> & dist;
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/**
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* the reference solution does not change during the run
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* it could be the best solution knowed of the problem
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*/
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EOT refSolution;
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};
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#endif
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