Bug#372544: fixed in eglibc 2.13-1
notfound 372544 2.13-1
fixed 372544 2.13-1
thanks
On Tue, Oct 18, 2011 at 04:52:26PM +0200, Vincent Lefevre wrote:
> On 2011-10-18 07:15:31 +0200, Aurelien Jarno wrote:
> > I have reopened the bug, but tagged it moreinfo + unreproducible given
> > fma() has been implemented in eglibc 2.13, and that the testcases you
> > provided now pass correctly on at least i386 and amd64.
> >
> > Please provide some more details or testcases.
>
> Ah, I didn't see that the bug that was opened upstream yeaterday
> was against an old glibc version! Still, Bruno Haible said:
>
> "I see 6 different implementations of fma(), 4 implementations of fmaf(),
> and 4 implementations of fmal() in the glibc source code.
> How can you guarantee that all of them are thoroughly tested?
>
> The ones in math/s_fma.c, math/s_fmaf.c, math/s_fmal.c are definitely
> buggy."
>
> But I wonder whether Debian supports a platform with such an
> implementation.
>
> The old upstream bug http://sourceware.org/bugzilla/show_bug.cgi?id=3268
> was also still open.
>
> I'll try to write my own test suite (based on difficult cases and
> with the 4 rounding modes).
>
Please open a new bug when it's done and if you find some more bugs. In
the meanwhile, I guess it's better to trust upstream and consider this
bug fixed.
--
Aurelien Jarno GPG: 1024D/F1BCDB73
aurelien@aurel32.net http://www.aurel32.net
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