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[Bug math/16415] Clean up ldbl-128 / ldbl-128ibm expm1l for large positive arguments


https://sourceware.org/bugzilla/show_bug.cgi?id=16415

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8124ac3e7383a5938ca87c3cc554bf6646744d65

commit 8124ac3e7383a5938ca87c3cc554bf6646744d65
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Wed Sep 16 16:42:46 2015 +0000

    Clean up ldbl-128 / ldbl-128ibm expm1l dead code (bug 16415).

    The ldbl-128 and ldbl-128ibm expm1l implementations have code to
    handle +Inf and finite arguments above an overflow threshold.  Since
    they now use __expl for large positive arguments to fix other
    problems, this code is unreachable; this patch removes it.

    Tested for mips64 and powerpc.

        [BZ #16415]
        * sysdeps/ieee754/ldbl-128/s_expm1l.c (maxlog): Remove variable.
        (__expm1l): Remove code to handle positive infinity and overflow.
        * sysdeps/ieee754/ldbl-128ibm/s_expm1l.c (maxlog): Remove
        variable.
        (__expm1l): Remove code to handle positive infinity and overflow.

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

Summary of changes:
 ChangeLog                              |    9 +++++++++
 NEWS                                   |   12 ++++++------
 sysdeps/ieee754/ldbl-128/s_expm1l.c    |   18 ++----------------
 sysdeps/ieee754/ldbl-128ibm/s_expm1l.c |   18 ++----------------
 4 files changed, 19 insertions(+), 38 deletions(-)

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