[Numpy-discussion] Handling underflow
John J. Lee
phrxy at csv.warwick.ac.uk
Fri Feb 23 07:38:54 EST 2001
On 22 Feb 2001, Victor S. Miller wrote:
> Is there some way of having calculations which cause underflow
> automatically set their result to 0.0? For example when I take
> exp(a), where a is a floating point array.
Not 'automatically', but:
a = whatever()
choose(greater(a, MAX), (a, MAX))
answer = exp(-a)
any good? This is with a 1D array -- I haven't used higher dimensions
much.
John
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