/** -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-

   -----------------------------------------------------------------------------
   eoSelectOne.h 
   (c) Maarten Keijzer, GeNeura Team, 2000
 
   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: todos@geneura.ugr.es, http://geneura.ugr.es
 */
//-----------------------------------------------------------------------------

#ifndef _eoSelectOne_h
#define _eoSelectOne_h


//-----------------------------------------------------------------------------
#include <eoPop.h>
#include <eoFunctor.h>
//-----------------------------------------------------------------------------

/** eoSelectOne selects only one element from a whole population.
    Most selection techniques are simply repeated applications
    of eoSelectOne.

      @see eoSelectMany, eoSelectRandom, eoDetTournament, eoStochTournament, eoProportional
*/
template<class EOT, class WorthT = typename EOT::Fitness>
class eoSelectOne : public eoUF<const eoPop<EOT>&, const EOT&>
{
    public :
      /// virtual function to setup some population stats (for instance eoProportional can benefit greatly from this)
      virtual void setup(const eoPop<EOT>& _pop)
      {}
};


#endif