Disable NaN and Inf

Andrei Alexandrescu SeeWebsiteForEmail at erdani.org
Sat Feb 6 00:16:08 PST 2010


Jonathan Crapuchettes wrote:
> I would like to divide one array by another using the slice syntax so 
> that I can benefit from the vectorized operation, but I am running into 
> a problem. Some of the numbers is my denominator array are 0, producing 
> NaNs and Infs in the result.
> 
> My question is: Is there a way to force 0/0 and x/0 to result in 0?
> 
> Thank you,
> JC

I don't know of a way. You may want to try first running a loop 
replacing 0 with inf throughout the denominator array. Then run 
vectorized division; any non-inf divided by inf yields 0.

Andrei



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