On Fri, Aug 24, 2007 at 05:25:43PM +0200, Matthieu Brucher wrote: > It's the IEEE norm for flotting point numbers. You can have sevaral > different NaN, although in this case, they are the same kind. > Even if they are the same kind, the norm tells that NaN != NaN.
Someone mentioned using masked arrays. There is one "standard" mask that comes with numpy.ma (dunno about maskedarray -- is that still in the scipy sandbox?). Anyway, there could be another standard mask for NaN, which would serve to simplify the answer to those who encounter this in the future ... Glen _______________________________________________ Numpy-discussion mailing list Numpy-discussion@scipy.org http://projects.scipy.org/mailman/listinfo/numpy-discussion
