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[Bug libc/11422] sin(x) (actually probably all trig) is inaccurate for large x
- From: "drepper at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: 26 Mar 2010 14:27:18 -0000
- Subject: [Bug libc/11422] sin(x) (actually probably all trig) is inaccurate for large x
- References: <20100323141346.11422.simon.fenney@imgtec.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From drepper at redhat dot com 2010-03-26 14:27 -------
(In reply to comment #9)
> However, I don't believe x86-64 is an option as the code has to run on Atom
> platforms.
There are 64-bit Atoms.
> Can't the 32-bit builds use the same
> code base that the x86-64 systems use (which presumably avoid using the dubious
> fsin instruction on non trivial values)?
No. There are people asking for the opposite: using the inaccurate x86 code on
x86-64. The code is what it is. The good neas is that it's trivial to use your
own libm replacement once you write it.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=11422
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