nojhan/paradiseo
Watch
1
0
Fork
You've already forked paradiseo
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

modif moeoSelectOneFromPopAndArch.h en moeoSelectFromPopAndArch.h

Browse source 
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@197 331e1502-861f-0410-8da2-ba01fb791d7f
This commit is contained in:
liefooga 2007-02-23 15:03:48 +00:00
commit 2ade1412c6
1 changed files with 4 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

89
branches/paradiseo-moeo-1.0/src/moeoSelectFromPopAndArch.h Normal file
View file

@ -0,0 +1,89 @@
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
//-----------------------------------------------------------------------------
// moeoSelectFormPopAndArch.h
// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007
/*
This library...
Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
*/
//-----------------------------------------------------------------------------
#ifndef MOEOSELECTONEFROMPOPANDARCH_H_
#define MOEOSELECTONEFROMPOPANDARCH_H_
#include <eoPop.h>
#include <utils/eoRNG.h>
#include <moeoArchive.h>
#include <moeoSelectOne.h>
#include <moeoRandomSelectOne.h>
/**
* Elitist selection process that consists in choosing individuals in the archive as well as in the current population.
*/
template < class MOEOT >
class moeoSelectFromPopAndArch : public moeoSelectOne < MOEOT >
{
public:
/**
* Ctor
* @param _popSelectOne the population's selection operator
* @param _archSelectOne the archive's selection operator
* @param _arch the archive
* @param _ratioFromPop the ratio of selected individuals from the population
*/
moeoSelectFromPopAndArch (moeoSelectOne < MOEOT > & _popSelectOne, moeoSelectOne < MOEOT > _archSelectOne, moeoArchive < MOEOT > & _arch, double _ratioFromPop=0.5)
: popSelectOne(_popSelectOne), archSelectOne(_archSelectOne), arch(_arch), ratioFromPop(_ratioFromPop)
{}
/**
* Defaulr ctor - the archive's selection operator is a random selector
* @param _popSelectOne the population's selection operator
* @param _arch the archive
* @param _ratioFromPop the ratio of selected individuals from the population
*/
moeoSelectFromPopAndArch (moeoSelectOne < MOEOT > & _popSelectOne, moeoArchive < MOEOT > & _arch, double _ratioFromPop=0.5)
: popSelectOne(_popSelectOne), archSelectOne(randomSelectOne), arch(_arch), ratioFromPop(_ratioFromPop)
{}
/**
* The selection process
*/
virtual const MOEOT & operator () (const eoPop < MOEOT > & pop)
{
if (arch.size() > 0)
if (rng.flip(ratioFromPop))
return popSelectOne(pop);
else
return archSelectOne(arch);
else
return popSelectOne(pop);
}
/**
* Setups some population stats
*/
virtual void setup (const eoPop < MOEOT > & _pop)
{
popSelectOne.setup(_pop);
}
private:
/** The population's selection operator */
moeoSelectOne < MOEOT > & popSelectOne;
/** The archive's selection operator */
moeoSelectOne < MOEOT > & archSelectOne;
/** The archive */
moeoArchive < MOEOT > & arch;
/** The ratio of selected individuals from the population*/
double ratioFromPop;
/** A random selection operator (used as default for archSelectOne) */
moeoRandomSelectOne< MOEOT > randomSelectOne;
};
#endif /*MOEOSELECTONEFROMPOPANDARCH_H_*/