// -*- 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