On Sat, Sep 29, 2018 at 2:32 AM Steve Barnes <gadgetst...@live.co.uk> wrote:
> One of the strengths of the IEEE float, (to set against its many > weaknesses), is the presence of the magic value NaN. Not a Number, or > NaA, is especially useful in that it is a valid value in any > mathematical operation, (always returning NaN), or comparison, (always > returning False). >>> nan = float('nan') >>> nan**0 1.0 ... most operations. :-) -- Keeping medicines from the bloodstreams of the sick; food from the bellies of the hungry; books from the hands of the uneducated; technology from the underdeveloped; and putting advocates of freedom in prisons. Intellectual property is to the 21st century what the slave trade was to the 16th.
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