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new class for x-swap neighbor,swap x positions on solution

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git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@2297 331e1502-861f-0410-8da2-ba01fb791d7f
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boufaras 2011-07-06 14:47:27 +00:00
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trunk/paradiseo-mo/src/neighborhood/moXSwapNeighbor.h Executable file
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/*
<moXSwapNeighbor.h.h>
Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
Boufaras Karima, Thé Van Luong
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 _moXSwapNeighbor_h
#define _moXSwapNeighbor_h
#include <neighborhood/moBackableNeighbor.h>
#include <neighborhood/moXChangeNeighbor.h>
/**
* A X-Swap Neighbor
*/
template<class EOT, class Fitness = typename EOT::Fitness>
class moXSwapNeighbor: public moBackableNeighbor<EOT> ,
public moXChangeNeighbor<EOT> {
public:
using moXChangeNeighbor<EOT>::indices;
using moXChangeNeighbor<EOT>::xChange;
using moXChangeNeighbor<EOT>::key;
/**
*Default Constructor
*/
moXSwapNeighbor() :
moXChangeNeighbor<EOT> () {
}
/**
* Constructor
* @param _xSwap the number of swap to do
*/
moXSwapNeighbor(unsigned int _xSwap) :
moXChangeNeighbor<EOT> (_xSwap) {
}
/**
* Apply the K-swap
* @param _solution the solution to move
*/
virtual void move(EOT& _solution) {
EOT tmp(1);
for (unsigned int i = 0; i < xChange-1; i++) {
tmp[0] = _solution[indices[i]];
_solution[indices[i]] = _solution[indices[i + 1]];
_solution[indices[i + 1]] = tmp[0];
}
_solution.invalidate();
}
/**
* apply the K-swap to restore the solution (use by moFullEvalByModif)
* @param _solution the solution to move back
*/
virtual void moveBack(EOT& _solution) {
EOT tmp(1);
for (int i = xChange-1; i > 0; i--) {
tmp[0] = _solution[indices[i]];
_solution[indices[i]] = _solution[indices[i - 1]];
_solution[indices[i - 1]] = tmp[0];
}
_solution.invalidate();
}
/**
* Return the class name.
* @return the class name as a std::string
*/
virtual std::string className() const {
return "moXSwapNeighbor";
}
};
#endif