/*
 *  Open BEAGLE
 *  Copyright (C) 2001-2007 by Christian Gagne and Marc Parizeau
 *
 *  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 2.1 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:
 *  Laboratoire de Vision et Systemes Numeriques
 *  Departement de genie electrique et de genie informatique
 *  Universite Laval, Quebec, Canada, G1K 7P4
 *  http://vision.gel.ulaval.ca
 *
 */

/*!
 *  \file   ZeroMinEvalOp.hpp
 *  \brief  Definition of the type ZeroMinEvalOp.
 *  \author Christian Gagne
 *  \author Marc Parizeau
 *  $Revision: 1.9.2.1 $
 *  $Date: 2007/05/09 01:51:23 $
 */

/*!
 *  \defgroup ZeroMin ZeroMin Minimization GA Example
 *  \brief ZeroMin (zeromin): Minimization GA example with Open BEAGLE.
 *
 *  \par Objective
 *  Find a bit string filled with zeros.
 *
 *  \par Representation
 *  Bit strings made of N bits.
 *
 *  \par Fitness
 *  Number of ones in the bit string, where the perfect solution has a fitness of 0.
 *
 */
 
#ifndef ZeroMinEvalOp_hpp
#define ZeroMinEvalOp_hpp

#include "beagle/GA.hpp"
#include <vector>


/*!
 *  \class ZeroMinEvalOp ZeroMinEvalOp.hpp "ZeroMinEvalOp.hpp"
 *  \brief The individual evaluation class operator for the ZeroMin minimization problem.
 *  \ingroup ZeroMin
 */
class ZeroMinEvalOp : public Beagle::EvaluationOp {

public:

  //! ZeroMinEvalOp allocator type.
  typedef Beagle::AllocatorT<ZeroMinEvalOp,Beagle::EvaluationOp::Alloc>
          Alloc;
  //!< ZeroMinEvalOp handle type.
  typedef Beagle::PointerT<ZeroMinEvalOp,Beagle::EvaluationOp::Handle>
          Handle;
  //!< ZeroMinEvalOp bag type.
  typedef Beagle::ContainerT<ZeroMinEvalOp,Beagle::EvaluationOp::Bag>
          Bag;

  explicit ZeroMinEvalOp();

  virtual Beagle::Fitness::Handle evaluate(Beagle::Individual& inIndividual,
                                           Beagle::Context& ioContext);

};

#endif // ZeroMinEvalOp_hpp
