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/*
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<moBitFlippingNeighbor.h>
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Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
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Boufaras Karima, Thé Van Luong
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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 ue,
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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
|
||||
"http://www.cecill.info".
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||||
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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.
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||||
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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 _moBitFlippingNeighbor_h
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#define _moBitFlippingNeighbor_h
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#include <neighborhood/moBackableNeighbor.h>
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#include <neighborhood/moIndexSwapNeighbor.h>
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/**
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* BitFlipping Neighbor
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*/
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template<class EOT, class Fitness = typename EOT::Fitness>
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class moBitFlippingNeighbor: public moBackableNeighbor<EOT> ,
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public moIndexSwapNeighbor<EOT> {
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public:
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using moIndexSwapNeighbor<EOT>::indices;
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using moIndexSwapNeighbor<EOT>::Kswap;
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using moIndexSwapNeighbor<EOT>::size;
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/**
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*Default Constructor
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*/
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moBitFlippingNeighbor() :
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moIndexSwapNeighbor<EOT> () {
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}
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/**
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* Constructor
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* @param _Kflip the number of bit to flip
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*/
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moBitFlippingNeighbor(unsigned int _Kflip) :
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moIndexSwapNeighbor<EOT> (_Kflip) {
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}
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/**
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* Apply the K-Flip in 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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size = _solution.size();
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if (!Kswap) {
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_solution[indices[Kswap]] = !_solution[indices[Kswap]];
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} else {
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for (unsigned int i = 0; i <= Kswap; i++) {
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_solution[indices[i]] = !_solution[indices[i]];
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}
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}
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_solution.invalidate();
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}
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/**
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* apply the K-Flip to restore the solution (use by moFullEvalByModif)
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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 "moBitFlippingNeighbor";
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}
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};
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#endif
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@ -1,108 +0,0 @@
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/*
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<moKSwapNeighbor.h>
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Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
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Boufaras Karima, Thé Van Luong
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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 ue,
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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
|
||||
"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
|
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same conditions as regards security.
|
||||
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 _moKswapNeighbor_h
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#define _moKswapNeighbor_h
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#include <neighborhood/moBackableNeighbor.h>
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#include <neighborhood/moIndexSwapNeighbor.h>
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/**
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* K Swap Neighbor
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*/
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template<class EOT, class Fitness = typename EOT::Fitness>
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class moKswapNeighbor: public moBackableNeighbor<EOT> ,
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public moIndexSwapNeighbor<EOT> {
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public:
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using moIndexSwapNeighbor<EOT>::indices;
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using moIndexSwapNeighbor<EOT>::Kswap;
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using moIndexSwapNeighbor<EOT>::size;
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/**
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*Default Constructor
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*/
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moKswapNeighbor() :
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moIndexSwapNeighbor<EOT> () {
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}
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/**
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* Constructor
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* @param _Kswap the number of swap to do
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*/
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moKswapNeighbor(unsigned int _Kswap) :
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moIndexSwapNeighbor<EOT> (_Kswap) {
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}
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/**
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* Apply the K-swap
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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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size = _solution.size();
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EOT tmp(1);
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for (unsigned int i = 0; i < Kswap; i++) {
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tmp[0] = _solution[indices[i]];
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_solution[indices[i]] = _solution[indices[i + 1]];
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_solution[indices[i + 1]] = tmp[0];
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}
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_solution.invalidate();
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}
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/**
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* apply the K-swap to restore the solution (use by moFullEvalByModif)
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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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EOT tmp(1);
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for (int i = Kswap; i > 0; i--) {
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tmp[0] = _solution[indices[i]];
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_solution[indices[i]] = _solution[indices[i - 1]];
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_solution[indices[i - 1]] = tmp[0];
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}
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_solution.invalidate();
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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 "moKswapNeighbor";
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}
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};
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#endif
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@ -1,287 +0,0 @@
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/*
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<moKswapNeighborhood.h>
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Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
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Boufaras Karima, Thé Van Luong
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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 ue,
|
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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
|
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knowledge of the CeCILL license and that you accept its terms.
|
||||
|
||||
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 _moKSwapNeighborhood_h
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#define _moKSwapNeighborhood_h
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#include <neighborhood/moOrderNeighborhood.h>
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/**
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* @return the factorial of an integer
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* @param _i an integer
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*/
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static int factorial(int _i) {
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if (_i == 0)
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return 1;
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else
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return _i * factorial(_i - 1);
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}
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/**
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* @return the neighborhood Size from the solution size and number of swap
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* @param _size the solution size
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* @param _Kswap the number of swap
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*/
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static int sizeMapping(int _size,unsigned int _Kswap) {
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int _sizeMapping = _size;
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for (int i = _Kswap; i > 0; i--) {
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_sizeMapping *= (_size - i);
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}
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_sizeMapping /= factorial(_Kswap + 1);
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return _sizeMapping;
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}
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/**
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* K-Swap Neighborhood
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*/
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template<class N>
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class moKswapNeighborhood: public moOrderNeighborhood<N> {
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public:
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typedef N Neighbor;
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typedef typename Neighbor::EOT EOT;
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using moOrderNeighborhood<Neighbor>::neighborhoodSize;
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using moOrderNeighborhood<Neighbor>::currentIndex;
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/**
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* @Constructor
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* @param _size the solution size
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* @param _Kswap the number of swap
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*/
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moKswapNeighborhood(unsigned int _size, unsigned int _Kswap) :
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moOrderNeighborhood<Neighbor> (sizeMapping(_size, _Kswap)) {
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mutex = true;
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size = _size;
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Kswap = _Kswap;
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indices = new unsigned int[Kswap + 1];
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mapping = new unsigned int[neighborhoodSize * (Kswap + 1)];
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}
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;
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/**
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* Destructor
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*/
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~moKswapNeighborhood() {
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delete[] (indices);
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delete[] (mapping);
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}
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/**
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* Initialization of the neighborhood
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* @param _solution the solution to explore
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* @param _current the first neighbor
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*/
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virtual void init(EOT& _solution, Neighbor& _current) {
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//Compute the mapping only for the first init
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if (mutex==true) {
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setMapping();
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mutex = false;
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}
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moOrderNeighborhood<Neighbor>::init(_solution, _current);
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_current.setKswap(Kswap);
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_current.reSizeIndices(Kswap);
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_current.setSize(_solution.size());
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getMapping(currentIndex);
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_current.setIndices(indices);
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}
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/**
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* Give the next neighbor
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* @param _solution the solution to explore
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* @param _current the next neighbor
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*/
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virtual void next(EOT& _solution, Neighbor& _current) {
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moOrderNeighborhood<Neighbor>::next(_solution, _current);
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getMapping(currentIndex);
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_current.setIndices(indices);
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}
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/**
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* Associate mapping of current index to K indexes
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* _currentIndex the index to map with K indexes
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*/
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virtual void getMapping(unsigned int _currentIndex) {
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for (unsigned int i = 0; i <= Kswap; i++){
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indices[i] = mapping[_currentIndex + i * neighborhoodSize];
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}
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}
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/**
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* Set the mapping of K-indexes
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* @param _size the solution size
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*/
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void setMapping() {
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if (!Kswap) {
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for (unsigned int i = 0; i < size; i++)
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mapping[i] = i;
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} else {
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unsigned int * _indices;
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_indices = new unsigned int[Kswap + 1];
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for (unsigned int i = 0; i < Kswap + 1; i++)
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_indices[i] = i;
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unsigned int id = 0;
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bool change = false;
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while (id < neighborhoodSize) {
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while (_indices[Kswap] < size) {
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for (unsigned int k = 0; k < Kswap; k++) {
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mapping[id + k * neighborhoodSize] = _indices[k];
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}
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mapping[id + Kswap * neighborhoodSize] = _indices[Kswap]++;
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id++;
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}
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_indices[Kswap]--;
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if (id < neighborhoodSize) {
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for (int i = Kswap - 1; i >= 0; i--)
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if (!change)
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change = nextIndices(_indices, i);
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}
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change = false;
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}
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delete[] (_indices);
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}
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}
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/**
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* Compute the next combination of mapping indexes
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* @param _indices the current combination of indexes
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* @param _indice compute next combination of indexes from this index
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*/
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bool nextIndices(unsigned int* _indices, int _indice) {
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if (_indices[_indice + 1] == size - Kswap + _indice) {
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if (_indices[_indice] + 1 < size - Kswap + _indice) {
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_indices[_indice]++;
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unsigned int i = 1;
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while (_indice + i <= Kswap) {
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_indices[_indice + i] = _indices[_indice + i - 1] + 1;
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i++;
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}
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return true;
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} else {
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_indices[_indice] = _indices[_indice];
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return false;
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}
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} else {
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_indices[_indice + 1]++;
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unsigned int i = 2;
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while (_indice + i <= Kswap) {
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_indices[_indice + i] = _indices[_indice + i - 1] + 1;
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i++;
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}
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return true;
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}
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}
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/**
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* Setter to fix the Kswap
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* @param _Kswap the number of swap
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*/
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void setKswap(unsigned int _Kswap) {
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Kswap = _Kswap;
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}
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/**
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* Get the number of swap
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*/
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unsigned int getKswap() {
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return Kswap;
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}
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/**
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* Setter to fix the neighbor size
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* @param _size the neighbor size to set
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*/
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void setSize(unsigned int _size) {
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size = _size;
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}
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/**
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* Get the size of neighbor
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*/
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unsigned int getSize() {
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return size;
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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 "moKSwapNeighborhood";
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}
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protected:
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unsigned int * indices;
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unsigned int * mapping;
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unsigned int Kswap;
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unsigned int size;
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bool mutex;
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};
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#endif
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