/*
    Copyright (C) 2012 Bartosz Broda, Jacek Bochenek, Łukasz Biłeńkij, 
    Damian Jaworski, Wojciech Mazur, Dominik Piasecki, Maciej Piasecki, 
    Radosław Ramocki
    
    This program 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 3 of the License, or (at your option)
any later version.

    This program 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 LICENSE and COPYING files for more details.
*/

//
// C++ Interface: LinSimilarity
//
// Description:
//
//
// Author: Bartosz Broda <bartosz.broda@pwr.wroc.pl>, (C) 2007
//

#ifndef SMARTCOMPARATOR_SIMFUNCTIONSLINSIMILARITY_H
#define SMARTCOMPARATOR_SIMFUNCTIONSLINSIMILARITY_H

#include "../comparator_stdheaders.h"
#include "SimilarityFunction.h"

namespace smartcomparator
{

	namespace simfunctions
	{

		/**
		 * @author Bartosz Broda <bartosz.broda@pwr.wroc.pl>
		 */
		class SMART_COMPARATOR_API LinSimilarity : public SimilarityFunction
		{
			public:
				LinSimilarity(Matrices::SuperMatrixPtr m);

				virtual double CountSimilarity(Matrices::CompressedVector& v1, Matrices::CompressedVector& v2,
											   size_t v1ind, size_t v2ind,	const std::set<size_t> &v1Ind, const std::set<size_t> &v2Ind);

				/**
				 * \todo Check LinSim min value
				 */
				virtual double MinValue() const;

			private:
				std::vector<size_t> m_vOperatorIndices;

		};

	}

}

#endif
