#ifndef RNGF_H
#define RNGF_H 2007

#include <stdio.h>

typedef struct RNGF {
    int i, j;
    float c, u[97];
} RNGF;

extern RNGF     *new_RNGF(void);		 /* seed always same */
extern RNGF     *new_RNGF_now(void);		 /* seed from date+time */
extern RNGF     *new_RNGF_from(unsigned long); /* seed is argument */
extern void     free_RNGF(RNGF *);

extern RNGF     *read_RNGF(FILE *);		/* read & allocate */
extern int      write_RNGF(FILE *, RNGF const *);

extern float	urandomf(RNGF *);	/* uniform (0,1) */
extern float	brandomf(RNGF *, float, float);	/* bounded (L,U) */
extern int	irandomf(RNGF *, int, int);

#endif /* RNGF_H */