RFA: don't try to compare IEEE NaN's

[Fernando Nasser]

Jim Blandy wrote:
> 
> I think assigning a floating-point constant, which is clearly within
> the range of the type, is the most portable way to get a real
> floating-point value into the variable.  The values I chose should
> have interesting bits throughout the mantissa, so we'll notice if
> they're truncated.
> 
> So I still think the patch I posted is okay.

OK.  Just update the comments to reflect what was discussed here (if
needed) and I am happy. 

Eli and Michael, do you still object to this change?  

-- 
Fernando Nasser
Red Hat Canada Ltd.                     E-Mail:  fnasser@redhat.com
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