double ran3(long* seed);
George Marsaglia's 'The mother of all random number generators'. Returns a uniform random deviate between 0.0 and 1.0. Set seed to any negative value to initialize or reinitialize the sequence.
Parameters:
seed | Random number generator seed. |
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Returns:
The next random number from the generator.
Usage:
long seed = -1L; /* Initialize generator */
double r = ran4(&seed);
Header:
#include "deviate.h"