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From: Thomas Koenig <tkoenig@netcologne.de>
Newsgroups: comp.arch
Subject: Re: Calling conventions (particularly 32-bit ARM)
Date: Mon, 13 Jan 2025 18:02:10 -0000 (UTC)
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MitchAlsup1 <mitchalsup@aol.com> schrieb:

> errno is an atrocity all by itself; single handedly preventing
> direct use of SIN(), COS(), TAN(), ATAN(), exp(), ln(), pow()
> as instructions.

Fortunately, the C standard does not require errno to be set
for these functions.  Apple, for example, does not do so.