[Bug math/16407] ldbl-128ibm coshl spurious overflows

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https://sourceware.org/bugzilla/show_bug.cgi?id=16407

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f517e06ab71e07b24bf085063b0ba2d072da4a56

commit f517e06ab71e07b24bf085063b0ba2d072da4a56
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Wed Dec 9 22:37:08 2015 +0000

    Fix ldbl-128ibm sinhl spurious overflows (bug 19350).

    The ldbl-128ibm implementation of sinhl uses a slightly too small
    overflow threshold (similar to bug 16407 for coshl).  This patch fixes
    it to use a safe threshold (so that values whose high part is above
    the value compared with definitely result in an overflow in all
    rounding modes).

    Tested for powerpc.

        [BZ #19350]
        * sysdeps/ieee754/ldbl-128ibm/e_sinhl.c (__ieee754_sinhl):
        Increase overflow threshold.

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                             |    4 ++++
 sysdeps/ieee754/ldbl-128ibm/e_sinhl.c |    2 +-
 2 files changed, 5 insertions(+), 1 deletions(-)

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