On Sat, Oct 3, 2009 at 1:57 AM, Duncan Coutts
<[email protected]>wrote:

>
> Internally, each time you demand the next random number, it is mutating
> the internal ST array.


This is the same thing that the Statistics.RandomVariate code in the
statistics package does, and it can be very fast:
http://www.serpentine.com/blog/2009/09/19/a-new-pseudo-random-number-generator-for-haskell/
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