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Message-ID: <20260214192049.GG3520958@port70.net>
Date: Sat, 14 Feb 2026 20:20:49 +0100
From: Szabolcs Nagy <nsz@...t70.net>
To: Paul Zimmermann <Paul.Zimmermann@...ia.fr>
Cc: musl@...ts.openwall.com, vincenzo.innocente@...n.ch,
riemannic@...il.com, johnmather@...efx.com,
ozaki@....shibaura-it.ac.jp
Subject: Re: Accuracy of Mathematical Functions
* Paul Zimmermann <Paul.Zimmermann@...ia.fr> [2026-02-14 08:34:42 +0100]:
> Dear all,
>
> a new update of our comparison is available, still with Musl 1.2.5:
>
> https://members.loria.fr/PZimmermann/papers/accuracy.pdf
thanks.
> * in double precision, for all C99 univariate functions, at least one library
> now provides a correctly-rounded version, except atan, cosh, sinh, tanh
do you have information on their code/rodata size
and worst-case latency/throughput?
i found
https://github.com/llvm/llvm-project/blob/main/libc/docs/headers/math/index.rst
but it does not seem to have numbers on double prec.
eventually it may be worth considering cr in libc.
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