nojhan/paradiseo
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

delete a non-used file

Browse source 
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@395 331e1502-861f-0410-8da2-ba01fb791d7f
This commit is contained in:
liefooga 2007-06-26 12:23:40 +00:00
commit d8c474f76a
1 changed files with 0 additions and 155 deletions
Download patch file Download diff file Expand all files Collapse all files

155
branches/paradiseo-moeo-1.0/src/replacement/moeoEnvironmentalReplacementExtremes.h
View file

@ -1,155 +0,0 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
//-----------------------------------------------------------------------------
// moeoEnvironmentalReplacement.h
// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007
/*
This library...
Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
*/
//-----------------------------------------------------------------------------
#ifndef MOEOENVIRONMENTALREPLACEMENT_H_
#define MOEOENVIRONMENTALREPLACEMENT_H_
#include <comparator/moeoComparator.h>
#include <comparator/moeoFitnessThenDiversityComparator.h>
#include <diversity/moeoDiversityAssignment.h>
#include <fitness/moeoFitnessAssignment.h>
#include <replacement/moeoReplacement.h>
/**
* Environmental replacement strategy that consists in keeping the N best individuals by deleting individuals 1 by 1
* and by updating the fitness and diversity values after each deletion.
*/
template < class MOEOT > class moeoEnvironmentalReplacement:public moeoReplacement < MOEOT >
{
public:
/** The type for objective vector */
typedef typename MOEOT::ObjectiveVector ObjectiveVector;
/**
* Full constructor.
* @param _evalFitness the fitness assignment strategy
* @param _evalDiversity the diversity assignment strategy
* @param _comparator the comparator (used to compare 2 individuals)
*/
moeoEnvironmentalReplacement (moeoFitnessAssignment < MOEOT > & _fitnessAssignment, moeoDiversityAssignment < MOEOT > & _diversityAssignment, moeoComparator < MOEOT > & _comparator) :
fitnessAssignment (_fitnessAssignment), diversityAssignment (_diversityAssignment), comparator (_comparator)
{}
/**
* Constructor without comparator. A moeoFitThenDivComparator is used as default.
* @param _evalFitness the fitness assignment strategy
* @param _evalDiversity the diversity assignment strategy
*/
moeoEnvironmentalReplacement (moeoFitnessAssignment < MOEOT > & _fitnessAssignment, moeoDiversityAssignment < MOEOT > & _diversityAssignment) :
fitnessAssignment (_fitnessAssignment), diversityAssignment (_diversityAssignment), comparator (defaultComparator)
{}
/**
* Constructor without moeoDiversityAssignement. A dummy diversity is used as default.
* @param _evalFitness the fitness assignment strategy
* @param _comparator the comparator (used to compare 2 individuals)
*/
moeoEnvironmentalReplacement (moeoFitnessAssignment < MOEOT > & _fitnessAssignment, moeoComparator < MOEOT > & _comparator) :
fitnessAssignment (_fitnessAssignment), diversityAssignment (defaultDiversity), comparator (_comparator)
{}
/**
* Constructor without moeoDiversityAssignement nor moeoComparator.
* A moeoFitThenDivComparator and a dummy diversity are used as default.
* @param _evalFitness the fitness assignment strategy
*/
moeoEnvironmentalReplacement (moeoFitnessAssignment < MOEOT > & _fitnessAssignment) :
fitnessAssignment (_fitnessAssignment), diversityAssignment (defaultDiversity), comparator (defaultComparator)
{}
/**
* Replaces the first population by adding the individuals of the second one, sorting with a moeoComparator and resizing the whole population obtained.
* @param _parents the population composed of the parents (the population you want to replace)
* @param _offspring the offspring population
*/
void operator () (eoPop < MOEOT > &_parents, eoPop < MOEOT > &_offspring)
{
unsigned int sz = _parents.size();
// merges offspring and parents into a global population
_parents.reserve (_parents.size() + _offspring.size());
std::copy (_offspring.begin(), _offspring.end(), back_inserter(_parents));
// evaluates the fitness and the diversity of this global population
fitnessAssignment (_parents);
diversityAssignment (_parents);
// remove individuals 1 by 1 and update the fitness values
unsigned int worstIdx;
ObjectiveVector worstObjVec;
///////////////////////////////////////////////
// let's put the extreme solutions at the beginning of _parents !
moeoOneObjectiveComparator<MOEOT> comp0(0);
unsigned int a = std::max_element(_parents.begin(), _parents.end(), comp0) - _parents.begin();
swap(_parents[0], _parents[a]);
moeoOneObjectiveComparator<MOEOT> comp1(1);
unsigned int b = std::max_element(_parents.begin() + 1, _parents.end(), comp1) - _parents.begin();
swap(_parents[1], _parents[b]);
///////////////////////////////////////////////
while (_parents.size() > sz)
{
// the individual to delete
worstIdx = std::min_element(_parents.begin()/* virer ! */ + 2 /* virer ! */, _parents.end(), comparator) - _parents.begin();
worstObjVec = _parents[worstIdx].objectiveVector();
// remove the woorst individual
_parents[worstIdx] = _parents.back();
_parents.pop_back();
// update of the fitness and diversity values
fitnessAssignment.updateByDeleting(_parents, worstObjVec);
diversityAssignment.updateByDeleting(_parents, worstObjVec);
}
// clear the offspring population
_offspring.clear ();
}
protected:
/** the fitness assignment strategy */
moeoFitnessAssignment < MOEOT > & fitnessAssignment;
/** the diversity assignment strategy */
moeoDiversityAssignment < MOEOT > & diversityAssignment;
/** a dummy diversity assignment can be used as default */
moeoDummyDiversityAssignment < MOEOT > defaultDiversity;
/** a fitness then diversity comparator can be used as default */
moeoFitnessThenDiversityComparator < MOEOT > defaultComparator;
/** this object is used to compare solutions in order to sort the population */
class Cmp
{
public:
/**
* Ctor.
* @param _comparator the comparator
*/
Cmp(moeoComparator < MOEOT > & _comp) : comp(_comp)
{}
/**
* Returns true if _moeo1 is greater than _moeo2 according to the comparator
* _moeo1 the first individual
* _moeo2 the first individual
*/
bool operator()(const MOEOT & _moeo1, const MOEOT & _moeo2)
{
return comp(_moeo1,_moeo2);
}
private:
/** the comparator */
moeoComparator < MOEOT > & comp;
} comparator;
};
#endif /*MOEOENVIRONMENTALREPLACEMENT_H_ */