freqestleastsquare.h

/***************************************************************************
        Copyright (C) 2002-2015 Kentaro Kitagawa
                           kitagawa@phys.s.u-tokyo.ac.jp
        
        This program is free software; you can redistribute it and/or
        modify it under the terms of the GNU Library General Public
        License as published by the Free Software Foundation; either
        version 2 of the License, or (at your option) any later version.
        
        You should have received a copy of the GNU Library General 
        Public License and a list of authors along with this program; 
        see the files COPYING and AUTHORS.
***************************************************************************/
#ifndef FREQESTLEASTSQUARE_H_
#define FREQESTLEASTSQUARE_H_

#include "spectrumsolver.h"

//! Frequency estimation by least square fit.
//! Number of signals is determined by information criterion.
class DECLSPEC_KAME FreqEstLeastSquare : public SpectrumSolver {
public:
    FreqEstLeastSquare(tfuncIC ic) : 
        SpectrumSolver(), m_funcIC(ic) {}
protected:
    virtual void genSpectrum(const std::vector<std::complex<double> >& memin,
        std::vector<std::complex<double> >& memout,
        int t0, double tol, FFT::twindowfunc windowfunc, double windowlength);
    virtual bool hasWeighting() const {return true;}
private:
    const tfuncIC m_funcIC;
};

#endif /*FREQESTLEASTSQUARE_H_*/