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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
//-----------------------------------------------------------------------------
// eoSharingSelect.h
// (c) GeNeura Team, 1998, Maarten Keijzer 2000, Marc Schoenauer 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: Marc.Schoenauer@polytechnique.fr
mak@dhi.dk
*/
//-----------------------------------------------------------------------------
#ifndef eoSharingSelect_h
#define eoSharingSelect_h
//-----------------------------------------------------------------------------
#include <eoSelectFromWorth.h>
#include <eoSharing.h>
/** eoSharingSelect: select an individual by roulette wheel
* on its SHARED fitness. It is an eoRouletteWorthSelect,
* i.e. a selector using a std::vector of worthes
* rather than the raw fitness (see eoSelectFromWorth.h)
* It uses an internal eoSharing object which is
* an eoPerf2Worth<EOT, double>
* @ingroup Selectors
*/
template <class EOT>
class eoSharingSelect: public eoRouletteWorthSelect<EOT, double>
{
public:
/** Ctor:
* @param _sigma the sigma_share
* @param _dist the distance object to use
*/
eoSharingSelect(double _sigma, eoDistance<EOT> & _dist):
eoRouletteWorthSelect<EOT, double>(sharing), sharing(_sigma, _dist) {}
private :
eoSharing<EOT> sharing; // derived from eoPerf2Worth
};
/** @example t-eoSharing.cpp
*/
#endif
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