/*
    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 "FilterFeature.h"

namespace smartcomparator
{
	namespace filters
	{
		/**
		odrzuca cechy, ktory nz < k (domyslnie k=2)
		*/
		class SMART_COMPARATOR_API FilterFeature01 : public FilterFeature
		{
		public:
			FilterFeature01(Matrices::FeatureVectorPtr cf, size_t k = 2);
			virtual ~FilterFeature01(void);

			/**
			\return zwraca indeksy, ktore przeszly filtrowanie
			*/
			virtual void Filter(std::set<size_t> &out,const std::set<size_t> *nzind);
		private:
			size_t m_stK;
		};
	}
}
