x86_64: Document libmvec vector functions accuracy [BZ #28766]
Checks
Context |
Check |
Description |
dj/TryBot-apply_patch |
success
|
Patch applied to master at the time it was sent
|
dj/TryBot-32bit |
success
|
Build for i686
|
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,
> Date: Tue, 18 Jan 2022 09:33:08 -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..53b196bb6d 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 x86_64 libmvec library have the maximum error
> +of 4ulps.
>
> @page
> @c This multitable does not fit on a single page
> --
> 2.34.1
looks good to me, with two small editorial changes:
Vector versions of functions in *the* x86_64 libmvec library have *a*
maximum error of 4 ulps.
Thanks!
Paul
@@ -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 x86_64 libmvec library have the maximum error
+of 4ulps.
@page
@c This multitable does not fit on a single page