From 417d00b986c6ddf55676f2df9d10c966edfdf336 Mon Sep 17 00:00:00 2001 From: verel Date: Mon, 23 Aug 2010 14:02:19 +0000 Subject: [PATCH] =?UTF-8?q?Ajout=20des=20fichiers=20problems/eval/moPopXov?= =?UTF-8?q?erEval.h=20problems/bitString/moPopXover*.h=20pour=20le=20neigh?= =?UTF-8?q?borhood=20li=C3=A9=20au=20crossover?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1907 331e1502-861f-0410-8da2-ba01fb791d7f --- .../problems/bitString/moPopXoverNeighbor.h | 162 ++++++++++++++++++ .../bitString/moPopXoverRndNeighborhood.h | 134 +++++++++++++++ 2 files changed, 296 insertions(+) create mode 100644 trunk/paradiseo-mo/src/problems/bitString/moPopXoverNeighbor.h create mode 100644 trunk/paradiseo-mo/src/problems/bitString/moPopXoverRndNeighborhood.h diff --git a/trunk/paradiseo-mo/src/problems/bitString/moPopXoverNeighbor.h b/trunk/paradiseo-mo/src/problems/bitString/moPopXoverNeighbor.h new file mode 100644 index 000000000..5971e410e --- /dev/null +++ b/trunk/paradiseo-mo/src/problems/bitString/moPopXoverNeighbor.h @@ -0,0 +1,162 @@ +/* + + 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 _moPopXoverNeighbor_h +#define _moPopXoverNeighbor_h + +#include +#include +#include + +/** + * Crossover neighbor: apply one crossover operator between 2 random solutions of the population + */ +template< class EOT > +class moPopXoverNeighbor : public moNeighbor +{ +public: + typedef typename EOT::SUBEOT SUBEOT ; + + using moNeighbor::fitness; + + /** + * Move the solution according to the information of this neighbor + * @param _solution the solution to move + */ + virtual void move(EOT & _solution) { + if (_solution.size() > 0) { + _solution[i1] = sol1; + _solution[i2] = sol2; + + _solution.invalidate(); + } + } + + /** + * Set the index of the solutions on which the crossover is applied + * + * @param _i1 index of the first solution + * @param _i2 index of the second solution + */ + void setIndexes(unsigned int _i1, unsigned int _i2){ + i1 = _i1; + i2 = _i2; + } + + /** + * Give the variable on the first solution + * + * @return first solution + */ + SUBEOT& solution1() { + return sol1; + } + + /** + * Give the variable on the second solution + * + * @return second solution + */ + SUBEOT& solution2() { + return sol2; + } + + /** + * Give the index in the population of the first solution + * + * @return index of the first solution + */ + unsigned int index1() { + return i1; + } + + /** + * Give the index in the population of the second solution + * + * @return index of the second solution + */ + unsigned int index2() { + return i2; + } + + /** + * return the class name + * @return the class name as a std::string + */ + virtual std::string className() const { + return "moPopXoverNeighbor"; + } + + /** + * Read object.\ + * Calls base class, just in case that one had something to do. + * The read and print methods should be compatible and have the same format. + * In principle, format is "plain": they just print a number + * @param _is a std::istream. + * @throw runtime_std::exception If a valid object can't be read. + */ + virtual void readFrom(std::istream& _is) { + std::string fitness_str; + int pos = _is.tellg(); + _is >> fitness_str; + if (fitness_str == "INVALID") { + throw std::runtime_error("invalid fitness"); + } + else { + typename EOT::Fitness repFit ; + _is.seekg(pos); + _is >> repFit; + + _is >> i1; + _is >> i2; + + _is >> sol1; + _is >> sol2; + + fitness(repFit); + } + } + + /** + * Write object. Called printOn since it prints the object _on_ a stream. + * @param _os A std::ostream. + */ + virtual void printOn(std::ostream& _os) const { + _os << fitness() << ' ' << i1 << ' ' << i2 << ' ' << sol1 << ' ' << sol2 << std::endl; + } + +private: + // the two solutions which are the results of the crossover operator + SUBEOT sol1, sol2; + + // index of the two solutions + unsigned int i1, i2; +}; + +#endif diff --git a/trunk/paradiseo-mo/src/problems/bitString/moPopXoverRndNeighborhood.h b/trunk/paradiseo-mo/src/problems/bitString/moPopXoverRndNeighborhood.h new file mode 100644 index 000000000..41b535c9d --- /dev/null +++ b/trunk/paradiseo-mo/src/problems/bitString/moPopXoverRndNeighborhood.h @@ -0,0 +1,134 @@ +/* + + 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 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 _moPopXoverRndNeighborhood_h +#define _moPopXoverRndNeighborhood_h + +#include +#include +#include + +/** + * A Xover neighborhood with random crossover between random solutions + */ +template< class Neighbor > +class moPopXoverRndNeighborhood : public moRndNeighborhood +{ +public: + + /** + * Define type of a solution corresponding to Neighbor + */ + typedef typename Neighbor::EOT EOT; + + /** + * Define type of a sub-solution which compose the population + */ + typedef typename EOT::SUBEOT SUBEOT; + + /** + * Constructor + * @param _crossover the crossover operator + */ + moPopXoverRndNeighborhood(eoQuadOp & _crossover): moRndNeighborhood(), crossover(_crossover) {} + + /** + * Test if it exist a neighbor + * @param _solution the solution to explore + * @return true if the neighborhood was not empty: the opulation soze is at least 2 + */ + virtual bool hasNeighbor(EOT& _solution) { + return _solution.size() > 1; + } + + /** + * Initialization of the neighborhood: + * apply a ones the crossover operato between random solutions + * @param _solution the solution to explore (population of solutions) + * @param _neighbor the first neighbor + */ + virtual void init(EOT & _solution, Neighbor & _neighbor) { + unsigned int popSize = _solution.size(); + + // random solutions in the population + unsigned int i1, i2; + + i1 = rng.random(popSize); + i2 = rng.random(popSize); + + while (i2 == i1) + i2 = rng.random(popSize); + + _neighbor.setIndexes(i1, i2); + + // copy the solutions + _neighbor.solution1() = _solution[i1]; + _neighbor.solution2() = _solution[i2]; + + // apply the crossover + crossover(_neighbor.solution1(), _neighbor.solution2()); + } + + /** + * Give the next neighbor + * apply a ones the crossover operato between random solutions + * @param _solution the solution to explore (population of solutions) + * @param _neighbor the next neighbor which is "random" + */ + virtual void next(EOT & _solution, Neighbor & _neighbor) { + init(_solution, _neighbor); + } + + /** + * Test if all neighbors are explored or not,if false, there is no neighbor left to explore + * @param _solution the solution to explore + * @return true if there is again a neighbor to explore: population size larger or equals than 2 + */ + virtual bool cont(EOT & _solution) { + return _solution.size() > 1; + } + + /** + * Return the class Name + * @return the class name as a std::string + */ + virtual std::string className() const { + return "moPopXoverRndNeighborhood"; + } + +private: + eoQuadOp & crossover; +}; + +#endif