This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: Fix exp in non-default rounding modes (bug 3976)
On Tue, 28 Feb 2012, David Miller wrote:
> From: "Joseph S. Myers" <joseph@codesourcery.com>
> Date: Wed, 29 Feb 2012 01:51:31 +0000 (UTC)
>
> > No, it's not undefined;
>
> I'm just saying that this is the exact language I've seen in Sun's
> documentation for libm, it's "undefined".
I think C99 and C11 Annex F are what's relevant here, not Sun's libm
documentation. The entire standard C library may be called in any
rounding mode and must still meet the semantics given for each function.
--
Joseph S. Myers
joseph@codesourcery.com