58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// eoReduce.h
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// Base class for population-merging classes
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// (c) GeNeura Team, 1998
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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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*/
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//-----------------------------------------------------------------------------
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#ifndef eoReduce_h
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#define eoReduce_h
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//-----------------------------------------------------------------------------
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#include <iostream>
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// EO includes
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#include <eoPop.h> // eoPop
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#include <eoFunctor.h> // eoReduce
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/**
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* eoReduce: .reduce the new generation to the specified size
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*/
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template<class Chrom> class eoReduce: public eoBinaryFunctor<void, eoPop<Chrom>&, unsigned>
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{};
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template <class EOT> class eoTruncate : public eoReduce<EOT>
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{
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void operator()(eoPop<EOT>& _newgen, unsigned _newsize)
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{
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if (_newgen.size() == _newsize)
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return;
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_newgen.nth_element(_newsize);
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_newgen.resize(_newsize);
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}
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};
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//-----------------------------------------------------------------------------
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#endif //eoInsertion_h
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