From a1956e2524ed769fcab711edddbe9689731588e7 Mon Sep 17 00:00:00 2001 From: jhumeau Date: Wed, 23 Jul 2008 08:56:44 +0000 Subject: [PATCH] Binary Metric Epsilon added in MOEO git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1223 331e1502-861f-0410-8da2-ba01fb791d7f --- .../moeoVecVsVecAdditiveEpsilonBinaryMetric.h | 91 +++++++++++ .../metric/moeoVecVsVecEpsilonBinaryMetric.h | 152 ++++++++++++++++++ ...ecVsVecMultiplicativeEpsilonBinaryMetric.h | 99 ++++++++++++ 3 files changed, 342 insertions(+) create mode 100644 trunk/paradiseo-moeo/src/metric/moeoVecVsVecAdditiveEpsilonBinaryMetric.h create mode 100644 trunk/paradiseo-moeo/src/metric/moeoVecVsVecEpsilonBinaryMetric.h create mode 100644 trunk/paradiseo-moeo/src/metric/moeoVecVsVecMultiplicativeEpsilonBinaryMetric.h diff --git a/trunk/paradiseo-moeo/src/metric/moeoVecVsVecAdditiveEpsilonBinaryMetric.h b/trunk/paradiseo-moeo/src/metric/moeoVecVsVecAdditiveEpsilonBinaryMetric.h new file mode 100644 index 000000000..40ef999a7 --- /dev/null +++ b/trunk/paradiseo-moeo/src/metric/moeoVecVsVecAdditiveEpsilonBinaryMetric.h @@ -0,0 +1,91 @@ +/* +* +* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007 +* (C) OPAC Team, LIFL, 2002-2007 +* +* Jeremie Humeau +* Arnaud Liefooghe +* +* This software is governed by the CeCILL license under French law and +* abiding by the rules of distribution of free software. You can use, +* 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". +* +* As a counterpart to the access to the source code and rights to copy, +* modify and redistribute granted by the license, users are provided only +* with a limited warranty and the software's author, the holder of the +* economic rights, and the successive licensors have only limited liability. +* +* 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 MOEOVECVSVECADDITIVEEPSILONBINARYMETRIC_H_ +#define MOEOVECVSVECADDITIVEEPSILONBINARYMETRIC_H_ + +#include +#include + +/** + * moeoVecVsVecAdditiveEpsilonBinaryMetric is the implementation of moeoVecVsVecEpsilonBinaryMetric whose calculate an additive epsilon indicator + */ +template < class ObjectiveVector > +class moeoVecVsVecAdditiveEpsilonBinaryMetric : public moeoVecVsVecEpsilonBinaryMetric < ObjectiveVector > +{ + +public: + + /** + * Default Constructor: inherit of moeoVecVsVecEpsilonBinaryMetric + */ + moeoVecVsVecAdditiveEpsilonBinaryMetric(bool _normalize=true): moeoVecVsVecEpsilonBinaryMetric < ObjectiveVector >(_normalize){} + +private: + + + /** + * compute the additive epsilon indicator. Ieps+(A,B) equals the minimum factor eps such that any objective vector in B is eps-dominated by at least one objective vector in A. + * a vector z1 is said to eps+-dominate another vector z2, if we can add each objective value in z2 by eps and the resulting objective vector is still weakly dominates by z1. + * @param _o1 the first objective vector (correspond to A, must not have dominated elements) + * @param _o2 the second objective vector (correspond to B, must not have dominated elements) + * @return the additive epsilon indicator between the two objective vector _o1 and _o2 + */ + double epsilon(const ObjectiveVector & _o1, const ObjectiveVector & _o2, const unsigned int _obj){ + + double result; + // if the objective _obj have to be minimized + if (ObjectiveVector::Traits::minimizing(_obj)) + { + // _o1[_obj] - _o2[_obj] + result = ( (_o1[_obj] - moeoVecVsVecEpsilonBinaryMetric < ObjectiveVector >::bounds[_obj].minimum()) / moeoVecVsVecEpsilonBinaryMetric < ObjectiveVector >::bounds[_obj].range() ) - ( (_o2[_obj] - moeoVecVsVecEpsilonBinaryMetric < ObjectiveVector >::bounds[_obj].minimum()) / moeoVecVsVecEpsilonBinaryMetric < ObjectiveVector >::bounds[_obj].range() ); + } + // if the objective _obj have to be maximized + else + { + // _o2[_obj] - _o1[_obj] + result = ( (_o2[_obj] - moeoVecVsVecEpsilonBinaryMetric < ObjectiveVector >::bounds[_obj].minimum()) / moeoVecVsVecEpsilonBinaryMetric < ObjectiveVector >::bounds[_obj].range() ) - ( (_o1[_obj] - moeoVecVsVecEpsilonBinaryMetric < ObjectiveVector >::bounds[_obj].minimum()) / moeoVecVsVecEpsilonBinaryMetric < ObjectiveVector >::bounds[_obj].range() ); + } + return result; + } + + + +}; + +#endif /*MOEOVECVSVECEPSILONBINARYMETRIC_H_*/ diff --git a/trunk/paradiseo-moeo/src/metric/moeoVecVsVecEpsilonBinaryMetric.h b/trunk/paradiseo-moeo/src/metric/moeoVecVsVecEpsilonBinaryMetric.h new file mode 100644 index 000000000..d5e44e00e --- /dev/null +++ b/trunk/paradiseo-moeo/src/metric/moeoVecVsVecEpsilonBinaryMetric.h @@ -0,0 +1,152 @@ +/* +* +* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007 +* (C) OPAC Team, LIFL, 2002-2007 +* +* Jeremie Humeau +* Arnaud Liefooghe +* +* This software is governed by the CeCILL license under French law and +* abiding by the rules of distribution of free software. You can use, +* 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". +* +* As a counterpart to the access to the source code and rights to copy, +* modify and redistribute granted by the license, users are provided only +* with a limited warranty and the software's author, the holder of the +* economic rights, and the successive licensors have only limited liability. +* +* 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 MOEOVECVSVECEPSILONBINARYMETRIC_H_ +#define MOEOVECVSVECEPSILONBINARYMETRIC_H_ + +#include +#include + +/** + * moeoVecVsVecEpsilonBinaryMetric is an abstract class allow to calculate the epsilon indicator betweend two Pareto sets + */ +template < class ObjectiveVector > +class moeoVecVsVecEpsilonBinaryMetric : public moeoVectorVsVectorBinaryMetric < ObjectiveVector, double > +{ +public: + + /** + * Default Construtcor + * @param _normalize allow to normalize data (default true) + */ + moeoVecVsVecEpsilonBinaryMetric(bool _normalize=true): normalize(_normalize){ + bounds.resize(ObjectiveVector::Traits::nObjectives()); + // initialize bounds in case someone does not want to use them + for (unsigned int i=0; i & _set1, const std::vector < ObjectiveVector > & _set2) + { + if (normalize) + setup(_set1, _set2); + double eps, eps_temp, eps_j, eps_k; + + unsigned i, j, k; + + for (i = 0; i < _set2.size(); i++) { + for (j = 0; j < _set1.size(); j++) { + for (k = 0; k < ObjectiveVector::Traits::nObjectives(); k++) { + eps_temp=epsilon(_set1[j], _set2[i], k); + if (k == 0) + eps_k = eps_temp; + else if (eps_k < eps_temp) + eps_k = eps_temp; + } + if (j == 0) + eps_j = eps_k; + else if (eps_j > eps_k) + eps_j = eps_k; + } + if (i == 0) + eps = eps_j; + else if (eps < eps_j) + eps = eps_j; + } + return eps; + } + + std::vector < eoRealInterval > getBounds(){ + return bounds; + } + + /** + * method caclulate bounds for the normalization + * @param _set1 the first vector of objective vectors + * @param _set2 the second vector of objective vectors + */ + void setup(const std::vector < ObjectiveVector > & _set1, const std::vector < ObjectiveVector > & _set2){ + double min, max; + unsigned int nbObj=ObjectiveVector::Traits::nObjectives(); + bounds.resize(nbObj); + for (unsigned int i=0; i bounds; + + + /*boolean indicates if data must be normalized or not*/ + bool normalize; + +private : + + /** + * abstract method allow to use differents epsilon indicators + * @param _o1 the first objective vector + * @parama _o2 the second objective vector + * @return an epsilon indicator between two objective vectors + */ + virtual double epsilon(const ObjectiveVector & _o1, const ObjectiveVector & _o2, const unsigned int _obj)=0; + +}; + +#endif /*MOEOVECVSVECEPSILONBINARYMETRIC_H_*/ diff --git a/trunk/paradiseo-moeo/src/metric/moeoVecVsVecMultiplicativeEpsilonBinaryMetric.h b/trunk/paradiseo-moeo/src/metric/moeoVecVsVecMultiplicativeEpsilonBinaryMetric.h new file mode 100644 index 000000000..8369d5c97 --- /dev/null +++ b/trunk/paradiseo-moeo/src/metric/moeoVecVsVecMultiplicativeEpsilonBinaryMetric.h @@ -0,0 +1,99 @@ +/* +* +* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007 +* (C) OPAC Team, LIFL, 2002-2007 +* +* Jeremie Humeau +* Arnaud Liefooghe +* +* This software is governed by the CeCILL license under French law and +* abiding by the rules of distribution of free software. You can use, +* 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". +* +* As a counterpart to the access to the source code and rights to copy, +* modify and redistribute granted by the license, users are provided only +* with a limited warranty and the software's author, the holder of the +* economic rights, and the successive licensors have only limited liability. +* +* 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 MOEOVECVSVECMULTIPLICATIVEEPSILONBINARYMETRIC_H_ +#define MOEOVECVSVECMULTIPLICATIVEEPSILONBINARYMETRIC_H_ + +#include +#include +#include + +/** + * moeoVecVsVecMultiplicativeEpsilonBinaryMetric is the implementation of moeoVecVsVecEpsilonBinaryMetric whose calculate a multiplicative epsilon indicator + */ +template < class ObjectiveVector > +class moeoVecVsVecMultiplicativeEpsilonBinaryMetric : public moeoVecVsVecEpsilonBinaryMetric < ObjectiveVector > +{ +public: + + /** + * Default Constructor: inherit of moeoVecVsVecEpsilonBinaryMetric + */ + moeoVecVsVecMultiplicativeEpsilonBinaryMetric(): moeoVecVsVecEpsilonBinaryMetric < ObjectiveVector >(false){} + +private: + + /** + * Precondition : for a given _obj, _o1 and _o2 must both have a strictly positive or a strictly negative value else an exception is thrown + * compute the epsilon indicator. Ieps(A,B) equals the minimum factor eps such that any objective vector in B is eps-dominated by at least one objective vector in A. + * a vector z1 is said to eps-dominate another vector z2, if we can multiply each objective value in z2 by a factor of z2 and the resulting objective vector is still weakly dominates by z1. + * + * @param _o1 the first objective vector (correspond to A, must not have dominated elements) + * @param _o2 the second objective vector (correspond to B, must not have dominated elements) + * @return the epsilon indicator between the two objective vector _o1 and _o2 + */ + double epsilon(const ObjectiveVector & _o1, const ObjectiveVector & _o2, const unsigned int _obj){ + + double result; + + //test if values are correct + if ( _o1[_obj] * _o2[_obj] <= 0.0){ + std::cout << "ERROR in moeoVecVsVecMultiplicativeEpsilonBinaryMetric::epsilon -> ObjectiveVectors contains bad values"; + throw("ERROR in moeoVecVsVecMultiplicativeEpsilonBinaryMetric::epsilon -> ObjectiveVectors contains bad values"); + } + else{ + + // if the objective _obj have to be minimized + if (ObjectiveVector::Traits::minimizing(_obj)) + { + // _o1[_obj] / _o2[_obj] + result = ( _o1[_obj] / _o2[_obj]); + } + // if the objective _obj have to be maximized + else + { + // _o2[_obj] / _o1[_obj] + result = (_o2[_obj] / _o1[_obj]); + } + } + return result; + } + +}; + +#endif /*MOEOVECVSVECEPSILONBINARYMETRIC_H_*/