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Date:      Wed, 03 Mar 2021 16:26:32 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 253984] log1pl() is less accurate than logl() on LD128 platforms
Message-ID:  <bug-253984-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253984

            Bug ID: 253984
           Summary: log1pl() is less accurate than logl() on LD128
                    platforms
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: bin
          Assignee: bugs@FreeBSD.org
          Reporter: arichardson@FreeBSD.org

This causes failures in the logarithm_test on non-x86 platforms such as
AArch64:

*** Check failed:
/local/scratch/alr48/cheri/freebsd/lib/msun/tests/logarithm_test.c:255:
(log1pl)(_d) (0.1823215567939546262083299) ~=
(1.82321556793954626202683007050468762914e-1L) (0.182321556793954626202683),
diff=5.6468863150286609024e-21, maxdiff=3.5113854573677529636e-35,
*** Check failed:
/local/scratch/alr48/cheri/freebsd/lib/msun/tests/logarithm_test.c:262:
(log1pl)(_d) (-0.2231435513142097557612129) ~=
(-2.23143551314209755752742563153765697950e-1L) (-0.2231435513142097557527426),
diff=8.4703294725430033907e-21, maxdiff=4.2975884737294630475e-35,

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