/*
 * Copyright (c) 2006, Anatoly Sova All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 
 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation 
 * and/or other materials provided with the distribution. 
 * Neither the name of the author nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
 * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */
//---------------------------------------------------------------------------

#ifndef Approximator_2H
#define Approximator_2H
//---------------------------------------------------------------------------
#include <boost/tuple/tuple.hpp>

#include "approximator.h"

using namespace boost;

typedef tuple<double,double,double> point_2;

class Approximator_2 : public Approximator
{
public:
    static double GetA(const vector<point_2> &data);
    static double GetB(const vector<point_2> &data);
    static double GetB2(const vector<point_2> &data);
    static double Delta(const vector<point_2> &data1, const vector<point_2> &data2);
    static double Sigma(const vector<point_2> &data);
    static double Correlation(const vector<point_2> &data);
protected:
    static double GetParameter(const vector<point_2> &data, string operation);
	Approximator_2();
};
#endif

