[Haskell-cafe] Monte Carlo Pi calculation (newbie learnings)

Jonathan Cast jonathanccast at fastmail.fm
Tue Nov 6 11:04:50 EST 2007

On 6 Nov 2007, at 6:00 AM, Yitzchak Gale wrote:

> There is still a problem here - my code (and also
> all of the previous posters, I think) clobbers the random
> generator, rendering it unusable for future calculations.
> In this case that is probably not a problem, but it
> is a bad habit to get into, and not very polite.

Nope.  newStdGen is specified in terms of split, which means it  
leaves the random generator in a state independent of the generator  
it returns.  Perfectly safe.  (I think you think you used getStdGen).


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