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x86_64: Document libmvec vector functions accuracy [BZ #28766]

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Document maximum 4 ulps accuracy for x86_64 libmvec functions.
This fixes BZ #28766.

Reviewed-By: Paul Zimmermann <Paul.Zimmermann@inria.fr>
This commit is contained in:
Sunil K Pandey
2022-01-18 07:07:44 -08:00
parent 1e000d3d33
commit 3e63b15d43
1 changed files with 3 additions and 2 deletions
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manual/math.texi
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@@ -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