#ifndef __SPLINE2__
#define __SPLINE2__

extern void progonca (int N, double *f, double *d);
extern void b_and_c (int N, double *f, double *b, double *c, double *d);
extern double spline_for_graph (double iks, double *f, double *b, double *c, double *d);
extern void SPLINE2 (int koeff, int N, double *Iexp, double *dIexp, double *I);

#endif
