a998ad0a41
This impacts on many files, creating new entries in src (the old ones are moved to obsolete dir), modifying t-eoSymreg.cpp and t-eobin.cpp in test, as well as gprop.cc and mastermind.cc in app dir (not to mention almost all files in tutorial:-(
71 lines
2.3 KiB
C++
Executable file
71 lines
2.3 KiB
C++
Executable file
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// eoProportionalSelect.h
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// (c) GeNeura Team, 1998 - EEAAX 1999, Maarten Keijzer 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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mak@dhi.dk
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*/
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//-----------------------------------------------------------------------------
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#ifndef eoProportionalSelect_h
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#define eoProportionalSelect_h
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//-----------------------------------------------------------------------------
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#include <utils/eoRNG.h>
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#include <utils/selectors.h>
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#include <eoSelectOne.h>
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//-----------------------------------------------------------------------------
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/** eoProportionalSelect: select an individual proportional to her stored fitness
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value
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*/
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//-----------------------------------------------------------------------------
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template <class EOT> class eoProportionalSelect: public eoSelectOne<EOT>
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{
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public:
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/// Sanity check
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eoProportionalSelect(const eoPop<EOT>& pop = eoPop<EOT>()):
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total((pop.size() == 0) ? -1.0 : sum_fitness(pop))
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{
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if (minimizing_fitness<EOT>())
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throw logic_error("eoProportionalSelect: minimizing fitness");
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}
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void setup(const eoPop<EOT>& _pop)
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{
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total = sum_fitness(_pop);
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}
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/** do the selection, call roulette_wheel.
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*/
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const EOT& operator()(const eoPop<EOT>& _pop)
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{
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return roulette_wheel(_pop, total) ;
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}
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private :
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typename EOT::Fitness total;
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};
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#endif
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