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Added changes mainly by Marc

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jmerelo 1999-11-22 09:47:32 +00:00
commit 91f5ddbdaa
28 changed files with 2400 additions and 1595 deletions
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175
eo/src/eoInsertion.h
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@ -1,79 +1,96 @@
//-----------------------------------------------------------------------------
// eoInsertion.h
//-----------------------------------------------------------------------------
#ifndef eoInsertion_h
#define eoInsertion_h
//-----------------------------------------------------------------------------
#include <eoPop.h> // eoPop
#include <eoPopOps.h> // eoMerge
/******************************************************************************
* eoInsertion: A replacement algorithm.
* Creates a new population with all the breeders and the best individuals
* from the original population.
*****************************************************************************/
template<class Chrom> class eoInsertion: public eoMerge<Chrom>
{
public:
/// (Default) Constructor.
eoInsertion(const float& _rate = 1.0): eoMerge<Chrom>(_rate) {}
/**
* Creates a new population based on breeders and original populations.
* @param breeders The population of breeders.
* @param pop The original population.
*/
/*void operator()(eoPop<Chrom>& breeders, eoPop<Chrom>& pop)
{
int new_size = static_cast<int>(pop.size() * rate());
if (new_size == breeders.size())
{
pop = breeders;
}
else if (new_size < breeders.size())
{
pop = breeders;
sort(pop.begin(), pop.end());
pop.erase(pop.begin(), pop.begin() - new_size + pop.size());
}
else
{
sort(pop.begin(), pop.end());
pop.erase(pop.begin(),
pop.begin() + breeders.size() + pop.size() - new_size);
copy(breeders.begin(), breeders.end(),
back_insert_iterator<eoPop<Chrom> >(pop));
}
}*/
void operator()(eoPop<Chrom>& breeders, eoPop<Chrom>& pop)
{
unsigned target = static_cast<unsigned>(rint(pop.size() * rate()));
pop.swap(breeders);
if (target < pop.size())
{
partial_sort(pop.begin(), pop.begin() + target, pop.end(),
greater<Chrom>());
pop.erase(pop.begin() + target, pop.end());
}
else
{
target = min(target - pop.size(), breeders.size());
partial_sort(breeders.begin(), breeders.begin() + target,
breeders.end(), greater<Chrom>());
copy(breeders.begin(), breeders.begin() + target,
back_insert_iterator<eoPop<Chrom> >(pop));
}
}
};
//-----------------------------------------------------------------------------
#endif eoInsertion_h
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
//-----------------------------------------------------------------------------
// eoInsertion.h
// Inserts new members into the population
// (c) GeNeura Team, 1998
/*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: todos@geneura.ugr.es, http://geneura.ugr.es
*/
//-----------------------------------------------------------------------------
#ifndef eoInsertion_h
#define eoInsertion_h
//-----------------------------------------------------------------------------
#include <iostream>
// EO includes
#include <eoPop.h> // eoPop
#include <eoMerge.h> // eoMerge
/******************************************************************************
* eoInsertion: A replacement algorithm.
* Creates a new population with all the breeders and the best individuals
* from the original population.
*****************************************************************************/
template<class Chrom> class eoInsertion: public eoMerge<Chrom>
{
public:
/// (Default) Constructor.
eoInsertion(const float& _rate = 1.0): eoMerge<Chrom>( _rate ) {}
/// Ctor from istream
eoInsertion( istream& _is): eoBinPopOp<Chrom>( _is ) {};
/// Dtor
virtual ~eoInsertion() {};
/**
* Creates a new population based on breeders and original populations.
* @param breeders The population of breeders. Should be sorted to work correctly
* @param pop The original population.
*/
void operator()( eoPop<Chrom>& _breeders, eoPop<Chrom>& _pop)
{
unsigned target = static_cast<unsigned>(rint(_pop.size() * rate()));
_pop.swap(_breeders);
if (target < _pop.size())
{
partial_sort(_pop.begin(), _pop.begin() + target, _pop.end(),
greater<Chrom>());
_pop.erase(_pop.begin() + target, _pop.end());
}
else
{
target = min(target - _pop.size(), _breeders.size());
partial_sort(_breeders.begin(), _breeders.begin() + target,
_breeders.end(), greater<Chrom>());
copy(_breeders.begin(), _breeders.begin() + target,
back_insert_iterator<eoPop<Chrom> >(_pop));
}
};
/** @name Methods from eoObject */
//@{
/** readFrom and printOn inherited from eoMerge */
/** Inherited from eoObject. Returns the class name.
@see eoObject
*/
virtual string className() const {return "eoInsertion";};
//@}
};
//-----------------------------------------------------------------------------
#endif eoInsertion_h