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eodev/eo/src/utils/eoMOFitnessStat.h

77 lines
2.7 KiB
C++

// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
//-----------------------------------------------------------------------------
// eoFitnessStat.h
// (c) Marc Schoenauer, Maarten Keijzer and GeNeura Team, 2000, 2001
/*
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
Marc.Schoenauer@polytechnique.fr
mkeijzer@dhi.dk
*/
//-----------------------------------------------------------------------------
#ifndef _eoFitnessStat_h
#define _eoFitnessStat_h
#include <utils/eoStat.h>
/**
The fitnesses of a whole population, as a vector
*/
template <class EOT, class FitT = typename EOT::Fitness>
class eoFitnessStat : public eoSortedStat<EOT, vector<FitT> >
{
public :
eoFitnessStat(std::string _description = "AllFitnesses") :
eoSortedStat<EOT, vector<FitT> >(vector<FitT>(0), _description) {}
virtual void operator()(const vector<const EOT*>& _popPters)
{
value().resize(_popPters.size());
for (unsigned i=0; i<_popPters.size(); i++)
value()[i] = _popPters[i]->fitness();
}
};
/** For multi-objective fitness, we need to translate a stat<vector<double> >
into a vector<stat>, so each objective gets a seperate stat
*/
template <class EOT, class PartFitT = double>
class eoMOFitnessStat : public eoSortedStat<EOT, vector<PartFitT> >
{
public :
/** Ctor: say what component you want
*/
eoMOFitnessStat(unsigned _objective, std::string _description = "MO-Fitness") :
eoSortedStat<EOT, vector<PartFitT> >(vector<PartFitT>(0), _description),
objective(_objective) {}
virtual void operator()(const vector<const EOT*>& _popPters)
{
value().resize(_popPters.size());
for (unsigned i=0; i<_popPters.size(); i++)
{
value()[i] = _popPters[i]->fitness()[objective];
}
}
private:
unsigned int objective; // The objective we're storing
};
#endif