94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
/*
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* Open BEAGLE
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* Copyright (C) 2001-2007 by Christian Gagne and Marc Parizeau
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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 2.1 of the License, or (at your option) any later version.
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*
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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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*
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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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*
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* Contact:
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* Laboratoire de Vision et Systemes Numeriques
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* Departement de genie electrique et de genie informatique
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* Universite Laval, Quebec, Canada, G1K 7P4
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* http://vision.gel.ulaval.ca
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*
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*/
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/*!
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* \file beagle/SelectRouletteOp.hpp
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* \brief Definition of the class SelectRouletteOp.
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* \author Christian Gagne
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* \author Marc Parizeau
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* $Revision: 1.6.2.1 $
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* $Date: 2007/05/09 01:51:17 $
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*/
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#ifndef Beagle_SelectRouletteOp_hpp
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#define Beagle_SelectRouletteOp_hpp
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#include <string>
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#include "beagle/config.hpp"
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#include "beagle/macros.hpp"
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#include "beagle/Object.hpp"
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#include "beagle/AllocatorT.hpp"
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#include "beagle/PointerT.hpp"
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#include "beagle/ContainerT.hpp"
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#include "beagle/SelectionOp.hpp"
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#include "beagle/RouletteT.hpp"
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namespace Beagle {
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/*!
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* \class SelectRouletteOp beagle/SelectRouletteOp.hpp "beagle/SelectRouletteOp.hpp"
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* \brief Proportionnal roulette selection operator class.
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* \ingroup ECF
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* \ingroup Op
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* \warning To use roulette selection, every individuals composing the population must have
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* non-negative fitness value. Roulette selection is valid only with FitnessSimple object
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* and derived (FitnessSimpleMin, FitnessKoza).
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*/
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class SelectRouletteOp : public SelectionOp {
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public:
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//! SelectRouletteOp allocator type.
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typedef AllocatorT<SelectRouletteOp,SelectionOp::Alloc>
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Alloc;
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//! SelectRouletteOp handle type.
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typedef PointerT<SelectRouletteOp,SelectionOp::Handle>
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Handle;
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//! SelectRouletteOp bag type.
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typedef ContainerT<SelectRouletteOp,SelectionOp::Bag>
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Bag;
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explicit SelectRouletteOp(string inReproProbaName="ec.repro.prob",
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string inName="SelectRouletteOp");
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virtual ~SelectRouletteOp() { }
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virtual void operate(Deme& ioDeme, Context& ioContext);
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virtual unsigned int selectIndividual(Individual::Bag& ioPool, Context& ioContext);
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protected:
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RouletteT<unsigned int> mRoulette; //!< Roulette with cumulative probabilities.
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bool mRouletteValid; //!< Flag whether roulette is still valid.
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};
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}
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#endif // Beagle_SelectRouletteOp_hpp
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