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Date: Fri, 22 Sep 2023 08:44:10 +0200
From: Szabolcs Nagy <nsz@...t70.net>
To: enh <enh@...gle.com>
Cc: musl@...ts.openwall.com, vincenzo.innocente@...n.ch,
riemannic@...il.com
Subject: Re: Accuracy of Mathematical Functions
* enh <enh@...gle.com> [2023-09-21 09:30:10 -0700]:
> isn't Apple's libm (like Android's) largely the FreeBSD libm? are the
> Apple vs FreeBSD differences you found really FreeBSD/arm64 vs
> FreeBSD/x86-64 differences? (or differences between older and newer
> FreeBSD libms?)
freebsd is mostly c so behaves the same on x86 and arm
(fma usage can be different but that's about it)
in the apple libm neither x86 nor arm version looks freebsd based
(and this is old, they likely updated it for aarch64)
https://opensource.apple.com/source/Libm/Libm-2026/Source/
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