/***************************************************************************

  PGKT_LF.h

  Author: Andreas Suter
  e-mail: andreas.suter@psi.ch

***************************************************************************/

/***************************************************************************
 *   Copyright (C) 2007-2025 by Andreas Suter                              *
 *   andreas.suter@psi.ch                                                  *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 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         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef _PGKT_LF_
#define _PGKT_LF_

#include <vector>

class PGKT_LF
{
  public:
    PGKT_LF(std::vector<double> &param);

    int DynamicGaussKTLF();
    bool IsValid() { return fValid; }

    std::vector<double> GetTime() { return fTime; }
    std::vector<double> GetPol()  { return fPol; }

  private:
    const double fGammaMu=8.5161545577e-2;
    std::vector<double> fDynLFFuncValue;
    std::vector<double> fLFIntegral;
    double fSamplingTime{0.0001};
    double fDynLFdt{0.0001};

    bool fValid{false};
    std::vector<double> fParam;
    std::vector<double> fTime;
    std::vector<double> fPol;

    void CalculateDynKTLF();
    void CalculateGaussLFIntegral();
    double GetLFIntegralValue(const double t) const;
    double GetDynKTLFValue(const double t) const;
};

#endif // _PGKT_LF_