void random_generator::set ( unsigned long int  seed )

Function that initializes (or `seeds') the random number generator.

Parameters:
seed: value of seed to be used

From GSL manual: If the generator is seeded with the same value of s on two different runs, the same stream of random numbers will be generated by successive calls to the routines below. If different values of s >= 1 are supplied, then the generated streams of random numbers should be completely different. If the seed s is zero then the standard seed from the original implementation is used instead.

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