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eodev/eo/src/eoDetTournamentInserter.h

70 lines
2.2 KiB
C++

/* -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
-----------------------------------------------------------------------------
eoDetTournamentInserter.h
Concrete steady state inserter. It is initialized with a population and
inserts individuals in the population based on an inverse deterministic
tournament
(c) Maarten Keijzer (mkeijzer@mad.scientist.com) and GeNeura Team, 1999, 2000
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 eoDetTournamentInserter_h
#define eoDetTournamentInserter_h
#include <eoSteadyStateInserter.h>
#include <utils/selectors.h>
/**
* eoDetTournamentInserter: Uses an inverse deterministic tournament to figure
* out who gets overridden by the new individual. It resets the fitness of the
* individual.
*/
template <class EOT>
class eoDetTournamentInserter : public eoSteadyStateInserter<EOT>
{
public :
eoDetTournamentInserter(eoEvalFunc<EOT>& _eval, unsigned _t_size):
eoSteadyStateInserter<EOT>(_eval),
t_size(_t_size)
{
if (t_size < 2)
{ // warning, error?
t_size = 2;
}
}
eoInserter<EOT>& operator()(const EOT& _eot)
{
EOT& eo = inverse_deterministic_tournament<EOT>(pop(), t_size);
eo = _eot; // overwrite loser of tournament
eval(eo); // Evaluate after insert
return *this;
}
string className(void) const { return "eoDetTournamentInserter"; }
private :
unsigned t_size;
};
#endif