Not A Number in IEEE Math

[G. Simon Gales]

I think that that behavior is correct.  

	0.0 * (anything) = 0.0
and
	NaN / NaN = 1.0

Also a NaN/NaN situation is usually treated as 1, but this is definitely
not intended to be a -correct- result.  If you end up with NaNs in your
computation's results, you can't trust the answers you get.

-- 
Simon Gales at The University of Kentucky
   simon at ms.uky.edu             | 'Fate... protects fools, little children,
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