[Python-Dev] Why is nan != nan? (original) (raw)

Greg Ewing greg.ewing at canterbury.ac.nz
Fri Mar 26 05:40:23 CET 2010


I impulsively wrote:

The payload of a NaN in typical hardware implementations is quite small, because it has to fit into the exponent field.

...which turns out to be precisely wrong. Some day I'll learn to wait until somebody else in the thread has checked the facts for me before posting. :-)

-- Greg



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