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regroup within ParadisEO-GPU package

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git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@2620 331e1502-861f-0410-8da2-ba01fb791d7f
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boufaras 2012-01-12 10:05:59 +00:00
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trunk/paradiseo-mo/src/neighborhood/moMappingNeighborhood.h
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/*
<moMappingNeighborhood.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 _moMappingNeighborhood_h
#define _moMappingNeighborhood_h
#include <neighborhood/moOrderNeighborhood.h>
/**
* Define a Mapping Neighborhood:
*
* This neighborhood should manipulate a moXChangeNeighbor
* It helps to associate to identified neighbor by one index a set of correspondent indexes
*/
template<class N>
class moMappingNeighborhood: public moOrderNeighborhood<N> {
public:
/**
* Define type of a solution corresponding to Neighbor
*/
typedef N Neighbor;
typedef typename Neighbor::EOT EOT;
using moOrderNeighborhood<Neighbor>::neighborhoodSize;
using moOrderNeighborhood<Neighbor>::currentIndex;
/**
* Constructor
* @param _neighborhoodSize the neighborhood size
* @param _xChange the number of positions to exchange
*/
moMappingNeighborhood(unsigned int _neighborhoodSize, unsigned int _xChange) :
moOrderNeighborhood<Neighbor> (_neighborhoodSize), xChange(_xChange) {
mutex = false;
indices = new unsigned int[xChange];
mapping = new unsigned int[neighborhoodSize * xChange];
}
/**
* Destructor
*/
~moMappingNeighborhood() {
delete[] (indices);
delete[] (mapping);
}
/**
* Initialization of the neighborhood
* @param _solution the solution to explore
* @param _current the first neighbor
*/
virtual void init(EOT& _solution, Neighbor& _current) {
moOrderNeighborhood<Neighbor>::init(_solution, _current);
//Compute the mapping only for the first init
if (!mutex) {
setMapping(_solution.size());
mutex = true;
}
//get the mapping correspondent to the currentIndex
getMapping(currentIndex);
if (!(_current.getXChange() == xChange))
_current.setXChange(xChange);
//associate to this neighbor a set of correspondent indexes
_current.setIndices(indices);
}
/**
* Give the next neighbor
* @param _solution the solution to explore
* @param _current the next neighbor
*/
virtual void next(EOT& _solution, Neighbor& _current) {
moOrderNeighborhood<Neighbor>::next(_solution, _current);
getMapping(currentIndex);
_current.setIndices(indices);
}
/**
* Set the mapping of K-indexes
* @param _size the size of the solution
*/
virtual void setMapping(unsigned _size) =0;
/**
* Associate mapping of current index to a set of indexes
* _currentIndex the index to map with a set of indexes
*/
virtual void getMapping(unsigned int _currentIndex) {
for (unsigned int i = 0; i < xChange; i++) {
indices[i] = mapping[_currentIndex + i * neighborhoodSize];
}
}
/**
* update mapping with combination of indexes corresponding to the currentIndex
* @param _indices the set of current combination of indexes
* @param _currentIndex the current index corresponding to the current neighbor
*/
virtual void updateMapping(unsigned int* _indices, int _currentIndex) {
for (unsigned k = 0; k < xChange; k++)
mapping[_currentIndex + k * neighborhoodSize] = _indices[k];
}
/**
* Return the class Name
* @return the class name as a std::string
*/
virtual std::string className() const {
return "moMappingNeighborhood";
}
protected:
unsigned int * indices;
unsigned int * mapping;
unsigned int xChange;
bool mutex;
};
#endif