DTDriftTimeParametrization.h

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#ifndef DTDriftTimeParametrization_H
#define DTDriftTimeParametrization_H
 
#define N_alpha 11
#define N_By 5
#define N_Bz 5
#define N_Par_t 19
#define N_Sigma_t 7
 
class DTDriftTimeParametrization {
public:
  DTDriftTimeParametrization();
 
  virtual ~DTDriftTimeParametrization();
 
  typedef struct {
    double v_drift, t_drift, delta_t, t_width_m, t_width_p;
  } drift_time;
 
  unsigned short MB_DT_drift_time(
      double x, double alpha, double by, double bz, short ifl, drift_time *DT, short interpolate) const;
 
private:
  double MB_DT_time(double, double *) const;
  double MB_DT_delta_t(double, double *) const;
  double MB_DT_sigma_t_m(double, double *) const;
  double MB_DT_sigma_t_p(double, double *) const;
 
  unsigned short MB_DT_Check_boundaries(double distime, double alpha, double by, double bz, short ifl) const;
 
  void MB_DT_Get_grid_values(
      double Var, unsigned short *pi, unsigned short *pj, short Initial, unsigned short N, const double *Values) const;
 
  void MB_DT_Get_grid_points(double alpha,
                             double by,
                             double bz,
                             unsigned short *p_alpha,
                             unsigned short *p_By,
                             unsigned short *p_Bz,
                             unsigned short *q_alpha,
                             unsigned short *q_By,
                             unsigned short *q_Bz) const;
 
  double MB_DT_MLInterpolation(double *al, double *by, double *bz, double *f) const;
 
  /*** Points of the grid ***/
  static const double alpha_value[N_alpha];
  static const double By_value[N_By];
  static const double Bz_value[N_Bz];
 
  /*** Parameter values ***/
  static const double fun_t[N_alpha][N_By][N_Bz][N_Par_t];
  static const double fun_sigma_t[N_alpha][N_By][N_Bz][N_Sigma_t];
 
  /*** skew factor ***/
  static const double velocitySkew;
};
#endif