TOPSignalShape.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#pragma once
 
#include <TObject.h>
#include <vector>
#include <TSpline.h>
 
namespace Belle2 {

  class TOPSignalShape: public TObject {
  public:

    TOPSignalShape()
    {}

    TOPSignalShape(std::vector<double> shape, double timeBin, double tau,
                   double pole1, double pole2);

    TOPSignalShape(const TOPSignalShape& shape): TObject()
    {
      *this = shape;
      m_interpolator = 0;
    }

    TOPSignalShape& operator=(const TOPSignalShape& shape)
    {
      if (this != &shape) {
        m_shape = shape.getShape();
        m_tmin = shape.getTMin();
        m_tmax = shape.getTMax();
        m_tau = shape.getTau();
        m_pole1 = shape.getPole1();
        m_pole2 = shape.getPole2();
        if (m_interpolator) delete m_interpolator;
        m_interpolator = 0;
        m_peakTime = 0;
      }
      return *this;
    }

    ~TOPSignalShape()
    {
      if (m_interpolator) delete m_interpolator;
    }

    double getValue(double t) const;

    double getTMin() const {return m_tmin;}

    double getTMax() const {return m_tmax;}

    double getPeakingTime() const;

    double getTau() const {return m_tau;}

    double getPole1() const {return m_pole1;}

    double getPole2() const {return m_pole2;}

    const std::vector<double>& getShape() const {return m_shape;}

    const TSpline5* getInterpolator() const {return m_interpolator;}
 
  private:
 
    std::vector<double> m_shape; 
    double m_tmin = 0; 
    double m_tmax = 0; 
    double m_tau = 0;  
    double m_pole1 = 0; 
    double m_pole2 = 0; 

    mutable TSpline5* m_interpolator = 0; 

    mutable double m_peakTime = 0; 
 
    ClassDef(TOPSignalShape, 1); 
 
  };

} // end namespace Belle2