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: nobody@puremagic.com
        ReportedBy: bearophile_hugs@eml.cc


--- Comment #0 from bearophile_hugs@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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