111 lines
3.5 KiB
C++
111 lines
3.5 KiB
C++
/*
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<moBitNeighbor.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 _bitNeighbor_h
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#define _bitNeighbor_h
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#include <ga/eoBit.h>
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#include <neighborhood/moBackableNeighbor.h>
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#include <neighborhood/moIndexNeighbor.h>
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/**
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* Neighbor related to a vector of Bit
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*/
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template< class Fitness >
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class moBitNeighbor : public moBackableNeighbor<eoBit<Fitness> >, public moIndexNeighbor<eoBit<Fitness> >
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{
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public:
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typedef eoBit<Fitness> EOT;
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using moBackableNeighbor<EOT>::fitness;
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using moIndexNeighbor<EOT>::key;
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/**
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* move the solution
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* @param _solution the solution to move
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*/
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virtual void move(EOT & _solution) {
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_solution[key] = !_solution[key];
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_solution.invalidate(); // only there for eoEvalFuncCounter !
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}
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/**
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* move back the solution (useful for the evaluation by modif)
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* @param _solution the solution to move back
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*/
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virtual void moveBack(EOT & _solution) {
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move(_solution);
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}
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/**
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* return the class name
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* @return the class name as a std::string
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*/
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virtual std::string className() const {
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return "moBitNeighbor";
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}
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/**
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* Read object.\
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* Calls base class, just in case that one had something to do.
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* The read and print methods should be compatible and have the same format.
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* In principle, format is "plain": they just print a number
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* @param _is a std::istream.
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* @throw runtime_std::exception If a valid object can't be read.
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*/
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virtual void readFrom(std::istream& _is) {
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std::string fitness_str;
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int pos = _is.tellg();
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_is >> fitness_str;
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if (fitness_str == "INVALID") {
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throw eoInvalidFitnessError("invalid fitness");
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} else {
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Fitness repFit;
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_is.seekg(pos);
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_is >> repFit;
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_is >> key;
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fitness(repFit);
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}
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}
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/**
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* Write object. Called printOn since it prints the object _on_ a stream.
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* @param _os A std::ostream.
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*/
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virtual void printOn(std::ostream& _os) const {
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_os << fitness() << ' ' << key << std::endl;
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}
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};
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#endif
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