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Subject: [Bug math/28765] x86_64 libmvec atan2 accuracy
Date: Wed, 12 Jan 2022 22:24:39 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D28765

--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gn=
u.org> ---
The master branch has been updated by Sunil Pandey <skpgkp2@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=3Dglibc.git;h=3D49e2bf58d57758df244=
eb621d63cedd2ab6d1971

commit 49e2bf58d57758df244eb621d63cedd2ab6d1971
Author: Sunil K Pandey <skpgkp2@gmail.com>
Date:   Wed Jan 12 11:02:19 2022 -0800

    x86_64: Fix SSE4.2 libmvec atan2 function accuracy [BZ #28765]

    This patch fixes SSE4.2 libmvec atan2 function accuracy for following
    inputs to less than 4 ulps.

    {0x1.bcab29da0e947p-54,0x1.bc41f4d2294b8p-54}   4.19888 ulps
    {0x1.b836ed678be29p-588,0x1.b7be6f5a03a8cp-588} 4.09889 ulps

    This fixes BZ #28765.

    Reviewed-by: H.J. Lu <hjl.tools@gmail.com>

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