Re: Possible issue with pow(-1, NaN) in newlib's libm

Corinna Vinschen <[email protected]> Fri, 14 Feb 2020 10:15:55 +0100

Newsgroups	gmane.comp.lib.newlib
Message-ID	<[email protected]>

Hi Nicolas,

On Feb 14 09:11, Nicolas Brunie wrote:
> Hello all, 
> 
> First time sender, excuse me if I misspoke. 
> 
> I think I may have encountered a bug in the implementation of pow: 
> pow(-1.0, NaN) returns 1.0 when it should return NaN. 
> Because ix is used to check input vs 1.0 rather than hx, -1.0 is mistaken for 1.0 

You are right, thanks for catching!  I pushed your patch.

Next time, please send the patch in `git format-patch' format,
that's easier to apply :)


Thanks,
Corinna

-- 
Corinna Vinschen
Cygwin Maintainer
Red Hat

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