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eodev/eo/src/eoGeneration.h
1999-11-22 09:47:32 +00:00

80 lines
2.7 KiB
C++

// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
//-----------------------------------------------------------------------------
// eoOp.h
// (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 eoGeneration_h
#define eoGeneration_h
//-----------------------------------------------------------------------------
#include <eoAlgo.h> // eoPop
#include <eoEvalFunc.h>
#include <eoPopOps.h> // eoSelect, eoTranform, eoMerge
//-----------------------------------------------------------------------------
// eoGeneration
//-----------------------------------------------------------------------------
template<class Chrom> class eoGeneration: public eoAlgo<Chrom>
{
public:
/// Constructor.
eoGeneration(eoBinPopOp<Chrom>& _select,
eoMonPopOp<Chrom>& _transform,
eoBinPopOp<Chrom>& _replace,
eoEvalFunc<Chrom>& _evaluator):
select(_select), transform(_transform),
replace(_replace), evaluator( _evaluator) {};
/// Copy Constructor.
eoGeneration(eoGeneration<Chrom>& _gen):
select(_gen.select), transform(_gen.transform),
replace(_gen.replace), evaluator( _gen.evaluator ) {};
/// Apply one generation of evolution to the population.
virtual void operator()(eoPop<Chrom>& pop) {
eoPop<Chrom> breeders;
select(pop, breeders);
transform(breeders);
eoPop<Chrom>::iterator i;
// Can't use foreach here since foreach takes the
// parameter by reference
for ( i = breeders.begin(); i != breeders.end(); i++)
evaluator(*i);
replace(breeders, pop);
}
/// Class name.
string className() const { return "eoGeneration"; }
private:
eoBinPopOp<Chrom>& select;
eoMonPopOp<Chrom>& transform;
eoBinPopOp<Chrom>& replace;
eoEvalFunc<Chrom>& evaluator;
};
//-----------------------------------------------------------------------------
#endif eoGeneration_h