[Bug math/3976] libm rounding modes do not work correctly for many archs

[jsm28 at gcc dot gnu.org]

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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