[Numpy-discussion] Floating point question
Michael S. Gilbert
Mon Mar 2 15:00:16 CST 2009
On Mon, 2 Mar 2009 15:37:33 -0500, Gideon Simpson wrote:
> My two questions are:
> 1. What is the best way to handle this? Is it just to add a filter
> of the form
> u = u * ( np.abs(u) > 2.3 e-308)
> 2. What gives? What's the origin of this (perceived) inconsistency
> in floating points across languages within the same platform?
how are you calculating fmin? numpy has a built-in function that
will tell you this information:
>>> numpy.finfo( numpy.float ).min
hopefully this helps shed some light on your questions.
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