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Re: arithmetic issues

Taylor Campbell wrote:
NaN is *not* a numeric result; it's not a number!  It represents the
condition of a computation whose meaning is undefined; it's not a
defined result.

Your statements about NaNs are correct in the context of mathematical numbers but not in the context of IEEE floating point numbers.


Dr Alan Watson
Centro de Radioastronomía y Astrofísica
Universidad Astronómico Nacional de México