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Date:      Thu, 22 Apr 2021 11:09:42 +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-253984-227-2iaIQEQkSU@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-253984-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-253984-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D253984

--- Comment #2 from commit-hook@FreeBSD.org ---
A commit in branch stable/13 references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=3Db8beded343980477e6d670c263fda7b00=
07510cc

commit b8beded343980477e6d670c263fda7b0007510cc
Author:     Alex Richardson <arichardson@FreeBSD.org>
AuthorDate: 2021-04-19 23:22:45 +0000
Commit:     Alex Richardson <arichardson@FreeBSD.org>
CommitDate: 2021-04-22 09:44:55 +0000

    Allow lib/msun/logarithm_test to pass on ld128 platforms

    For some reason the ld128 log1pl() implementation is less accurate than
    logl(), but does at least guarantee precision >=3D the ld80 implementat=
ion.
    Mark log1p_accuracy_tests as XFAIL for ld128 and increase the log1p
tolerance
    to the ld80 equivalent in accuracy_tests to avoid losing test coverage =
for
    the other functions.

    PR:             253984
    Reviewed By:    ngie, dim
    Differential Revision: https://reviews.freebsd.org/D29039

    (cherry picked from commit 1ad83445fc0f1d2aecd32635f4ae713a057aa091)

 lib/msun/tests/logarithm_test.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

--=20
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