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[Bug math/15359] Inaccurate cos for IBM long double
- From: "carlos at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Thu, 25 Apr 2013 17:03:06 +0000
- Subject: [Bug math/15359] Inaccurate cos for IBM long double
- Auto-submitted: auto-generated
- References: <bug-15359-131 at http dot sourceware dot org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=15359
--- Comment #9 from Carlos O'Donell <carlos at redhat dot com> 2013-04-25 17:03:06 UTC ---
(In reply to comment #8)
> It doesn't make sense to use the ulp of a broken implementation.
The implementation isn't broken, it's just inaccurate.
What problems do we have leaving the test in place and using a large ulp value
for IBM long double?
I noticed that Joseph also said he would like to disable cpow once we switch to
accurate ulps since the error in cpow is going to be a huge number of ulps.
Is this just a policy issue? That we disable tests if the ulp values are too
high?
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