paradiseo/moeo/src/distance/moeoDistanceMatrix.h
2012-08-30 11:30:11 +02:00

101 lines
3.5 KiB
C++

/*
* <moeoDistanceMatrix.h>
* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
* (C) OPAC Team, LIFL, 2002-2007
*
* Arnaud Liefooghe
*
* 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 MOEODISTANCEMATRIX_H_
#define MOEODISTANCEMATRIX_H_
#include <vector>
#include <eoFunctor.h>
#include <distance/moeoDistance.h>
/**
* A matrix to compute distances between every pair of individuals contained in a population.
*/
template < class MOEOT , class Type >
class moeoDistanceMatrix : public eoUF < const eoPop < MOEOT > &, void > , public std::vector< std::vector < Type > >
{
public:
using std::vector< std::vector < Type > > :: size;
using std::vector< std::vector < Type > > :: operator[];
/**
* Ctor
* @param _size size for every dimension of the matrix
* @param _distance the distance to use
*/
moeoDistanceMatrix (unsigned int _size, moeoDistance < MOEOT , Type > & _distance) : distance(_distance)
{
this->resize(_size);
for (unsigned int i=0; i<_size; i++)
{
this->operator[](i).resize(_size);
}
}
/**
* Sets the distance between every pair of individuals contained in the population _pop
* @param _pop the population
*/
void operator()(const eoPop < MOEOT > & _pop)
{
// 1 - setup the bounds (if necessary)
distance.setup(_pop);
// 2 - compute distances
this->operator[](0).operator[](0) = Type();
for (unsigned int i=0; i<size(); i++)
{
this->operator[](i).operator[](i) = Type();
for (unsigned int j=0; j<i; j++)
{
this->operator[](i).operator[](j) = distance(_pop[i], _pop[j]);
this->operator[](j).operator[](i) = this->operator[](i).operator[](j);
}
}
}
private:
/** the distance to use */
moeoDistance < MOEOT , Type > & distance;
};
#endif /*MOEODISTANCEMATRIX_H_*/