source/inc/numeric/polyeqnsolver.hxx

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/*************************************************************************
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005-2008 by Kohei Yoshida.
 *    1039 Kingsway Dr., Apex, NC 27502, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    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,
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#ifndef _SCSOLVER_NUMERIC_POLYEQNSOLVER_HXX_
#define _SCSOLVER_NUMERIC_POLYEQNSOLVER_HXX

#include <list>
#include <exception>

namespace scsolver { namespace numeric {

class Matrix;

class NotEnoughDataPoints : public ::std::exception 
{
public:
    virtual const char* what() const throw();
};

struct DataPoint
{
    double X;
    double Y;

    DataPoint(double x, double y);
};

class PolyEqnSolver
{
public:
    PolyEqnSolver();
    ~PolyEqnSolver() throw();

    void addDataPoint(double x, double y);
    const Matrix solve();
    void clear();

    size_t size() const;

private:
    ::std::list<DataPoint> m_DataPoints;
};

// ----------------------------------------------------------------------------

void getQuadraticPeak(double& x, double& y, const Matrix& coef);

}}

#endif

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