/*
    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.
*/

#pragma once
#include "../comparator_stdheaders.h"
#include "Selector.h"

namespace smartcomparator
{
	namespace selectors
	{
		class SMART_COMPARATOR_API TScoreSelector :	public Selector
		{
		public:
			/**
			\param threshold 2.576 dla poziomu ufnosci 99,5%
			*/
			TScoreSelector(Matrices::SuperMatrixPtr jm, double threshold = 2.576);
			virtual ~TScoreSelector(void);

			void SelectBestFeatures(size_t rowIndex, 
				const std::set<size_t> &filteredIndices, std::set<size_t> &out);

		protected:
			double m_dTreshold;
						/// Count of tokens in corpus
			double W;
		};
	}
}
