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* [Bug math/28765] New: x86_64 libmvec atan2 accuracy
@ 2022-01-11 17:38 skpgkp2 at gmail dot com
2022-01-11 17:39 ` [Bug math/28765] " skpgkp2 at gmail dot com
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: skpgkp2 at gmail dot com @ 2022-01-11 17:38 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=28765
Bug ID: 28765
Summary: x86_64 libmvec atan2 accuracy
Product: glibc
Version: 2.35
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: skpgkp2 at gmail dot com
Target Milestone: ---
libmvec vector function atan2 has greater than 4 ulps accuracy on SSE4.2 for
following inputs.
atan2(_ZGVbN2vv_atan2@GLIBC_2.35) on SSE4.2:
{0x1.bcab29da0e947p-54,0x1.bc41f4d2294b8p-54} 4.19888 ulps
{0x1.b836ed678be29p-588,0x1.b7be6f5a03a8cp-588} 4.09889 ulps
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug math/28765] x86_64 libmvec atan2 accuracy 2022-01-11 17:38 [Bug math/28765] New: x86_64 libmvec atan2 accuracy skpgkp2 at gmail dot com @ 2022-01-11 17:39 ` skpgkp2 at gmail dot com 2022-01-11 17:40 ` hjl.tools at gmail dot com ` (3 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: skpgkp2 at gmail dot com @ 2022-01-11 17:39 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=28765 Sunil Pandey <skpgkp2 at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hjl.tools at gmail dot com, | |zimmerma+gcc at loria dot fr -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug math/28765] x86_64 libmvec atan2 accuracy 2022-01-11 17:38 [Bug math/28765] New: x86_64 libmvec atan2 accuracy skpgkp2 at gmail dot com 2022-01-11 17:39 ` [Bug math/28765] " skpgkp2 at gmail dot com @ 2022-01-11 17:40 ` hjl.tools at gmail dot com 2022-01-12 22:24 ` cvs-commit at gcc dot gnu.org ` (2 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: hjl.tools at gmail dot com @ 2022-01-11 17:40 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=28765 H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |2.35 Ever confirmed|0 |1 Assignee|unassigned at sourceware dot org |skpgkp2 at gmail dot com Status|UNCONFIRMED |NEW Last reconfirmed| |2022-01-11 -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug math/28765] x86_64 libmvec atan2 accuracy 2022-01-11 17:38 [Bug math/28765] New: x86_64 libmvec atan2 accuracy skpgkp2 at gmail dot com 2022-01-11 17:39 ` [Bug math/28765] " skpgkp2 at gmail dot com 2022-01-11 17:40 ` hjl.tools at gmail dot com @ 2022-01-12 22:24 ` cvs-commit at gcc dot gnu.org 2022-01-14 14:56 ` cvs-commit at gcc dot gnu.org 2022-01-14 14:59 ` hjl.tools at gmail dot com 4 siblings, 0 replies; 6+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2022-01-12 22:24 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=28765 --- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Sunil Pandey <skpgkp2@sourceware.org>: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=49e2bf58d57758df244eb621d63cedd2ab6d1971 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> -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug math/28765] x86_64 libmvec atan2 accuracy 2022-01-11 17:38 [Bug math/28765] New: x86_64 libmvec atan2 accuracy skpgkp2 at gmail dot com ` (2 preceding siblings ...) 2022-01-12 22:24 ` cvs-commit at gcc dot gnu.org @ 2022-01-14 14:56 ` cvs-commit at gcc dot gnu.org 2022-01-14 14:59 ` hjl.tools at gmail dot com 4 siblings, 0 replies; 6+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2022-01-14 14:56 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=28765 --- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Sunil Pandey <skpgkp2@sourceware.org>: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=047512374a95b7bc42a996f61def50843f2bd5e7 commit 047512374a95b7bc42a996f61def50843f2bd5e7 Author: Sunil K Pandey <skpgkp2@gmail.com> Date: Wed Jan 12 12:26:35 2022 -0800 math: Add more inputs to atan2 accuracy tests [BZ #28765] This patch adds following inputs: 0x1.bcab29da0e947p-54 0x1.bc41f4d2294b8p-54 0x1.a11891ec004d4p-348 0x1.814830510be26p-348 0x1.b836ed678be29p-588 0x1.b7be6f5a03a8cp-588 0x1.a83f842ef3f73p-633 0x1.a799d8a6677ep-633 to atan2 tests and updates x86_64 double atan2 ulps. This fixes BZ #28765. Reviewed-By: Paul Zimmermann <Paul.Zimmermann@inria.fr> -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug math/28765] x86_64 libmvec atan2 accuracy 2022-01-11 17:38 [Bug math/28765] New: x86_64 libmvec atan2 accuracy skpgkp2 at gmail dot com ` (3 preceding siblings ...) 2022-01-14 14:56 ` cvs-commit at gcc dot gnu.org @ 2022-01-14 14:59 ` hjl.tools at gmail dot com 4 siblings, 0 replies; 6+ messages in thread From: hjl.tools at gmail dot com @ 2022-01-14 14:59 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=28765 H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> --- Fixed. -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2022-01-14 14:59 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2022-01-11 17:38 [Bug math/28765] New: x86_64 libmvec atan2 accuracy skpgkp2 at gmail dot com 2022-01-11 17:39 ` [Bug math/28765] " skpgkp2 at gmail dot com 2022-01-11 17:40 ` hjl.tools at gmail dot com 2022-01-12 22:24 ` cvs-commit at gcc dot gnu.org 2022-01-14 14:56 ` cvs-commit at gcc dot gnu.org 2022-01-14 14:59 ` hjl.tools at gmail dot com
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