double ran0(long* seed);
"Minimal" random number generator of Park and Miller. Returns a uniform random deviate between 0.0 and 1.0. Set or reset idum to any integer value to initialize the sequence; idum must not be altered between calls for successive deviates in a sequence.
Parameters:
seed | Random number generator seed. |
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Returns:
The next random number from the generator.
Usage:
long seed = 12345L; /* Initialize generator */
double r = ran0(&seed);
Header:
#include "deviate.h"