cubspline.hpp

// cubspline.hpp
// $Id: cubspline.hpp,v 1.2 2006/08/05 09:10:45 ibadm Exp $
//-----------------------------------------------------------------------------

// cubspline.H
//-----------------------------------------------------------------------------
#ifndef __CubSplineH
#define __CubSplineH
#include "parspline_service.hpp"


class CubSpline
{
 public:

  CubSpline(double *x, double *z, int n ,double smParam = 0);
  ~CubSpline();

  bool SplineFunction(double x, double &z);

  double GetSigma();

 private:

  // from Spline.C
  void ApproxCubSplineOneD();
              
  double *x, *z, *a1, *a2, *a3, *a4;
  double *G, *dphi3n, *PHI;
  char *strerr;
  double sigma, amax;

  int N, err;

};
//=========================================================================
#endif