paradiseo/branches/paradiseo-moeo-1.0/src/moeoDiversityAssignment.h
liefooga 8b3d81bd71 update doc
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@236 331e1502-861f-0410-8da2-ba01fb791d7f
2007-04-16 08:22:17 +00:00

93 lines
2.7 KiB
C++

// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
//-----------------------------------------------------------------------------
// moeoDiversityAssignment.h
// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007
/*
This library...
Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
*/
//-----------------------------------------------------------------------------
#ifndef MOEODIVERSITYASSIGNMENT_H_
#define MOEODIVERSITYASSIGNMENT_H_
#include <eoFunctor.h>
#include <eoPop.h>
/**
* Functor that sets the diversity values of a whole population.
*/
template < class MOEOT >
class moeoDiversityAssignment : public eoUF < eoPop < MOEOT > &, void >
{
public:
/** The type for objective vector */
typedef typename MOEOT::ObjectiveVector ObjectiveVector;
/**
* Updates the diversity values of the whole population _pop by taking the deletion of the objective vector _objVec into account.
* @param _pop the population
* @param _objVec the objective vector
*/
virtual void updateByDeleting(eoPop < MOEOT > & _pop, ObjectiveVector & _objVec) = 0;
/**
* Updates the diversity values of the whole population _pop by taking the deletion of the individual _moeo into account.
* @param _pop the population
* @param _moeo the individual
*/
void updateByDeleting(eoPop < MOEOT > & _pop, MOEOT & _moeo)
{
updateByDeleting(_pop, _moeo.objectiveVector());
}
};
/**
* moeoDummyDiversityAssignment is a moeoDiversityAssignment that gives the value '0' as the individual's diversity for a whole population if it is invalid.
*/
template < class MOEOT >
class moeoDummyDiversityAssignment : public moeoDiversityAssignment < MOEOT >
{
public:
/** The type for objective vector */
typedef typename MOEOT::ObjectiveVector ObjectiveVector;
/**
* Sets the diversity to '0' for every individuals of the population _pop if it is invalid
* @param _pop the population
*/
void operator () (eoPop < MOEOT > & _pop)
{
for (unsigned idx = 0; idx<_pop.size (); idx++)
{
if (_pop[idx].invalidDiversity())
{
// set the diversity to 0
_pop[idx].diversity(0.0);
}
}
}
/**
* Updates the diversity values of the whole population _pop by taking the deletion of the objective vector _objVec into account.
* @param _pop the population
* @param _objVec the objective vector
*/
void updateByDeleting(eoPop < MOEOT > & _pop, ObjectiveVector & _objVec)
{
// nothing to do... ;-)
}
};
#endif /*MOEODIVERSITYASSIGNMENT_H_*/