#ifndef RAN0_H
#define RAN0_H

#define IA 16807
#define IM 2147483647
#define AM (1.0/IM)
#define IQ 127773
#define IR 2836
#define MASK 123459876

extern int seed;

void init(long *seed_);
void update(double *ran0_);
double ran0(long *idum);

#endif