[v2] x86_64: Document libmvec vector functions accuracy [BZ #28766]
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Commit Message
Document maximum 4 ulps accuracy for x86_64 libmvec functions.
This fixes BZ #28766.
---
manual/math.texi | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
Comments
Dear Sunil,
looks good to me. Thanks.
Paul
Reviewed-By: Paul Zimmermann <Paul.Zimmermann@inria.fr>
> Date: Wed, 19 Jan 2022 07:43:48 -0800
> From: Sunil K Pandey via Libc-alpha <libc-alpha@sourceware.org>
> Cc: andrey.kolesov@intel.com, marius.cornea@intel.com
>
> Document maximum 4 ulps accuracy for x86_64 libmvec functions.
> This fixes BZ #28766.
> ---
> manual/math.texi | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/manual/math.texi b/manual/math.texi
> index e00871c303..477a18b6d1 100644
> --- a/manual/math.texi
> +++ b/manual/math.texi
> @@ -1395,8 +1395,9 @@ The table lists the ULP values for different architectures. Different
> architectures have different results since their hardware support for
> floating-point operations varies and also the existing hardware support
> is different. Only the round-to-nearest rounding mode is covered by
> -this table, and vector versions of functions are not covered.
> -Functions not listed do not have known errors.
> +this table. Functions not listed do not have known errors. Vector
> +versions of functions in the x86_64 libmvec library have a maximum error
> +of 4 ulps.
>
> @page
> @c This multitable does not fit on a single page
> --
> 2.34.1
@@ -1395,8 +1395,9 @@ The table lists the ULP values for different architectures. Different
architectures have different results since their hardware support for
floating-point operations varies and also the existing hardware support
is different. Only the round-to-nearest rounding mode is covered by
-this table, and vector versions of functions are not covered.
-Functions not listed do not have known errors.
+this table. Functions not listed do not have known errors. Vector
+versions of functions in the x86_64 libmvec library have a maximum error
+of 4 ulps.
@page
@c This multitable does not fit on a single page