[Numpy-discussion] What is the sign of nan?
Charles R Harris
Mon Sep 29 17:13:27 CDT 2008
On Mon, Sep 29, 2008 at 3:52 PM, Charles R Harris <email@example.com
> Hi All,
> I've been cleaning up the ufunc loops and the sign function currently
> doesn't have a defined behavior for nans. This makes the results depend on
> the order/type of comparisons in the code, which looks fragile to me. So
> what should it return? I vote for nan but am open for suggestions.
And while we're at it, lets decide how to treat max/min when nans are
involved. Or should we just say the behavior is undefined.
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