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[Bug libc/11422] sin(x) (actually probably all trig) is inaccurate for large x
- From: "simon dot fenney at imgtec dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: 24 Mar 2010 12:13:14 -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 simon dot fenney at imgtec dot com 2010-03-24 12:13 -------
Please don't get annoyed, but I am well aware of the joy of x86 80-bit float HW.
All I'm trying to establish is why the standard maths library (and by the look
of it is the range reduction (a la Payne-Haneck) which for all intents and
purposes are integer operations though often implemented using doubles)) is no
longer functioning correctly.
Since you are saying that this source code has not changed, then I should be
able to go back to the gcc team and state that the problem is at their end and
stop this buck-passing.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=11422
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