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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
//-----------------------------------------------------------------------------
// eoFitContinue.h
// (c) Maarten Keijzer, 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 _eoFitContinue_h
#define _eoFitContinue_h
#include <eoContinue.h>
#include <utils/eoLogger.h>
/**
Continues until the optimum fitness level is reached.
All types which derive from eoScalarFitness is able to compare well via the operator override ( <, >, <=, ...)
@ingroup Continuators
*/
template< class EOT>
class eoFitContinue: public eoContinue<EOT> {
public:
/// Define Fitness
typedef typename EOT::Fitness FitnessType;
/// Ctor
eoFitContinue( const FitnessType _optimum)
: eoContinue<EOT> (), optimum( _optimum ) {};
/** Returns false when a fitness criterium is reached. Assumes pop is not sorted! */
virtual bool operator() ( const eoPop<EOT>& _pop )
{
//FitnessType bestCurrentFitness = _pop.nth_element_fitness(0);
FitnessType bestCurrentFitness = _pop.best_element().fitness();
if (bestCurrentFitness >= optimum)
{
eo::log << eo::logging << "STOP in eoFitContinue: Best fitness has reached " <<
bestCurrentFitness << "\n";
return false;
}
return true;
}
virtual std::string className(void) const { return "eoFitContinue"; }
private:
FitnessType optimum;
};
#endif
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