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[Bug math/3976] libm rounding modes do not work correctly for many archs
- From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Fri, 02 Mar 2012 16:04:12 +0000
- Subject: [Bug math/3976] libm rounding modes do not work correctly for many archs
- Auto-submitted: auto-generated
- References: <bug-3976-131@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=3976
--- Comment #12 from Joseph Myers <jsm28 at gcc dot gnu.org> 2012-03-02 16:04:12 UTC ---
sinh and cosh appear to have been fixed by the exp fix. I confirm what you
report for tan and pow. For sin and cos, I don't see the problem for 100 with
current sources, but do for 7:
N: cos(7) = 0.7539022543433046
Z: cos(7) = 0.7539022543433046
D: cos(7) = 0.7539022543433046
U: cos(7) = -3.5593280928702544e+244
N: sin(7) = 0.65698659871878906
Z: sin(7) = 0.65698659871878906
D: sin(7) = 0.65698659871878906
U: sin(7) = 6.5993918533387462e+246
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