111 lines
3.7 KiB
C++
111 lines
3.7 KiB
C++
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// eoAssembledFitnessStat.h
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// Marc Wintermantel & Oliver Koenig
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// IMES-ST@ETHZ.CH
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// April 2003
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//-----------------------------------------------------------------------------
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// eoStat.h
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// (c) Marc Schoenauer, Maarten Keijzer and GeNeura Team, 2000
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/*
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Contact: todos@geneura.ugr.es, http://geneura.ugr.es
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Marc.Schoenauer@polytechnique.fr
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mkeijzer@dhi.dk
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*/
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//-----------------------------------------------------------------------------
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#ifndef _eoAssembledFitnessStat_h
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#define _eoAssembledFitnessStat_h
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#include <utils/eoStat.h>
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#include <eoScalarFitnessAssembled.h>
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/**
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Average fitness values of a population, where the fitness is
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of type eoScalarAssembledFitness. Specify in the constructor,
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for which fitness term (index) the average should be evaluated.
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*/
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#ifdef _MSC_VER
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template <class EOT>
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class eoAssembledFitnessAverageStat : public eoStat<EOT, EOT::Fitness>
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#else
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template <class EOT>
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class eoAssembledFitnessAverageStat : public eoStat<EOT, typename EOT::Fitness>
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#endif
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{
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public :
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typedef typename EOT::Fitness Fitness;
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eoAssembledFitnessAverageStat(unsigned _whichTerm=0, std::string _description = "Average Fitness")
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: eoStat<EOT, Fitness>(Fitness(), _description), whichFitnessTerm(_whichTerm) {}
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virtual void operator()(const eoPop<EOT>& _pop){
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if ( whichFitnessTerm >= _pop[0].fitness().size() )
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throw std::logic_error("Fitness term requested out of range");
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double result =0.0;
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for (typename eoPop<EOT>::const_iterator it = _pop.begin(); it != _pop.end(); ++it)
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result+= it->fitness()[whichFitnessTerm];
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value().clear();
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value() = result / _pop.size();
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}
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private:
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// Store an index of the fitness term to be evaluated in eoScalarFitnessAssembled
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unsigned whichFitnessTerm;
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};
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/**
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Fitness values of best individuum in a population, where the fitness is
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of type eoScalarAssembledFitness. Specify in the constructor,
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for which fitness term (index) the value should be evaluated.
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*/
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#ifdef _MSC_VER
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template <class EOT>
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class eoAssembledFitnessBestStat : public eoStat<EOT, EOT::Fitness>
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#else
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template <class EOT>
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class eoAssembledFitnessBestStat : public eoStat<EOT, typename EOT::Fitness>
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#endif
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{
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public :
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typedef typename EOT::Fitness Fitness;
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eoAssembledFitnessBestStat(unsigned _whichTerm=0, std::string _description = "Best Fitness")
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: eoStat<EOT, Fitness>(Fitness(), _description), whichFitnessTerm(_whichTerm) {}
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virtual void operator()(const eoPop<EOT>& _pop){
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if ( whichFitnessTerm >= _pop[0].fitness().size() )
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throw std::logic_error("Fitness term requested out of range");
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value().clear();
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value() = _pop.best_element().fitness()[whichFitnessTerm];
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}
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private:
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// Store an index of the fitness term to be evaluated in eoScalarFitnessAssembled
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unsigned whichFitnessTerm;
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};
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#endif
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