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103
ParadisEO-GPU/src/problems/neighborhood/PPPNeighbor.h Normal file
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/*
<PPPNeighbor.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 _PPPNeighbor_h
#define _PPPNeighbor_h
#include <neighborhood/moBackableNeighbor.h>
#include <neighborhood/moIndexSwapNeighbor.h>
/**
* PPP Neighbor
*/
template<class EOT, class Fitness = typename EOT::Fitness>
class PPPNeighbor: public moBackableNeighbor<EOT> ,
public moIndexSwapNeighbor<EOT> {
public:
using moIndexSwapNeighbor<EOT>::indices;
using moIndexSwapNeighbor<EOT>::Kswap;
using moIndexSwapNeighbor<EOT>::size;
/**
*Default Constructor
*/
PPPNeighbor() :
moIndexSwapNeighbor<EOT> () {
}
/**
* Constructor
* @param _Kflip the number of bit to flip
*/
PPPNeighbor(unsigned int _Kflip) :
moIndexSwapNeighbor<EOT> (_Kflip) {
}
/**
* Apply the K-Flip in solution
* @param _solution the solution to move
*/
virtual void move(EOT& _solution) {
size = _solution.size();
if (!Kswap) {
_solution[indices[Kswap]] = -_solution[indices[Kswap]];
} else {
for (unsigned int i = 0; i <= Kswap; i++) {
_solution[indices[i]] = -_solution[indices[i]];
}
}
_solution.invalidate();
}
/**
* apply the K-Flip to restore the solution (use by moFullEvalByModif)
* @param _solution the solution to move back
*/
virtual void moveBack(EOT& _solution) {
move(_solution);
}
/**
* Return the class name.
* @return the class name as a std::string
*/
virtual std::string className() const {
return "PPPNeighbor";
}
};
#endif

109
ParadisEO-GPU/src/problems/types/PPPSolution.h Normal file
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/*
<PPPSolution.h>
Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
Karima Boufaras, 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 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 _PPPSolution_H_
#define _PPPSolution_H_
#include <cudaType/moCudaVector.h>
/**
* Implementation of PPP vector representation on CUDA.
*/
template<class Fitness>
class PPPSolution: public moCudaVector<int, Fitness> {
public:
using moCudaVector<int, Fitness>::vect;
using moCudaVector<int, Fitness>::N;
/**
* Default constructor.
*/
PPPSolution() :
moCudaVector<int, Fitness> () {
}
/**
*Constructor.
*@param _size The neighborhood size.
*/
PPPSolution(unsigned _size) {
N = _size;
vect = new int[_size];
create();
}
/**
*Assignment operator
*@param _vector The vector passed to the function determine the new content.
*@return a new vector.
*/
PPPSolution& operator=(const PPPSolution & _vector) {
N = _vector.N;
vect = new int[N];
for (unsigned i = 0; i < N; i++)
vect[i] = _vector.vect[i];
fitness(_vector.fitness());
return (*this);
}
/**
*Initializer of random PPP vector.
*/
void create() {
for (int i = 0; i <N; i++){
if((rng.rand()%2)==0)
vect[i] = -1;
else
vect[i] = 1;
}
}
};
#endif