http://d.puremagic.com/issues/show_bug.cgi?id=5509
Summary: R250/521 pseudo-random number engine
Product: D
Version: D2
Platform: All
OS/Version: All
Status: NEW
Severity: enhancement
Priority: P2
Component: Phobos
AssignedTo: nob...@puremagic.com
ReportedBy: bearophile_h...@eml.cc
--- Comment #0 from bearophile_h...@eml.cc 2011-01-31 00:03:54 PST ---
Beside the current ones, I'd like another pseudo-random number generator to be
present in the std.random module, the R250/521:
http://en.literateprograms.org/R250/521_%28C%29
http://en.literateprograms.org/Special:Downloadcode/R250/521_%28C%29
The implementation is easy, the quality of the generated numbers is not bad
(worse than Mersenne Twister but better than congruential generators), and the
performance is very good (among the best, in my tests). So it has a high
performance for its quality level. I suggest to use the Mersenne Twister to
initialize its r250_buffer and r521_buffer arrays. I have a D translation, if
you want.
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