From: Joseph Myers <josmyers@redhat.com>
To: Paul Zimmermann <Paul.Zimmermann@inria.fr>
Cc: libc-alpha@sourceware.org
Subject: Re: Implement C23 log2p1
Date: Wed, 10 Apr 2024 14:34:09 +0000 (UTC) [thread overview]
Message-ID: <ae7c7c61-c5a9-3910-62b7-28e57e76428@redhat.com> (raw)
In-Reply-To: <p9u0v84pzkik.fsf@araignee.loria.fr>
On Wed, 10 Apr 2024, Paul Zimmermann wrote:
> Dear Joseph,
>
> I tried your patch on a x86_64, it applies cleanly, everything compiles
> cleanly, and I can use the new log2p1 function in both binary32, binary64,
> double-extended and binary128.
>
> As for accuracy, here are the largest errors I found for rounding to nearest:
In general I encourage adding extra tests to auto-libm-test-in where they
show errors, for any implementation in glibc, larger than those inputs
already present (but not so large that they cannot be entered in
libm-test-ulps files). So adding such inputs for log2p1 would be
appropriate after this patch is in, and the same applies for all the other
C23 functions as they get added.
--
Joseph S. Myers
josmyers@redhat.com
next prev parent reply other threads:[~2024-04-10 14:34 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-08 21:19 Joseph Myers
2024-04-10 8:31 ` Paul Zimmermann
2024-04-10 14:34 ` Joseph Myers [this message]
2024-04-10 14:46 ` Paul Zimmermann
2024-04-10 15:00 ` Joseph Myers
2024-04-15 13:41 ` Carlos O'Donell
2024-04-15 13:52 ` Adhemerval Zanella Netto
2024-04-18 13:26 ` Joseph Myers
2024-04-29 13:34 ` Ping " Joseph Myers
2024-04-29 13:51 ` Paul Zimmermann
2024-05-07 21:34 ` Ping^2 " Joseph Myers
2024-05-16 16:47 ` Ping^3 " Joseph Myers
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