[SciPy-user] help with precision for big numbers

Alan G Isaac aisaac@american....
Tue May 13 09:17:06 CDT 2008


On Tue, 13 May 2008, Johann Cohen-Tanugi apparently wrote:
> sp.factorial(Non+Noff-i)/sp.factorial(Non-i)

So Damien deduced the problem.  But if you are doing this 
a lot, I wonder if you can get some gain by replacing the 
above expression with a helper function. (I just mean to 
observe that once you compute 33! the other values of this 
expression are very simple multiples of 33!.

fwiw,
Alan Isaac





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