add perl5 rng_drand48 - Githubissues

rurban / dieharder

A fixed version of Robert G. Brown's "dieharder" tests for random number generators.

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add perl5 rng_drand48 #11

Closed rurban closed 3 years ago

rurban commented 3 years ago

Which is FreeBSD's drand48() lib/libc/gen/_rand48.c. plus perl5's own native 64bit optimization. perl5 uses ldexp() which looks extremely slow to me. FreeBSD is saner. However test the current perl5 variant. The faster FreeBSD variant is called rand48