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Date: Fri, 8 Mar 2024 15:44:32 +1100 (AEDT)
From: Damian McGuckin <damianm@....com.au>
To: MUSL <musl@...ts.openwall.com>
Subject: Re: cacosh.c - Comment needs correction
On Fri, 8 Mar 2024, Damian McGuckin wrote:
>
> The routine produces the correct answer.
>
> However, currently, the comment at the top says
>
> /* acosh(z) = i acos(z) */
>
> I believe this is technically wrong;
>
> To reflect the code, it should be changed to something like:
>
> /* cacosh(z) = acosh(x +/- i y) = +/- i acos(x + i y) */
Sorry (fat fingers or worse):
/* cacosh(z) = acosh(x +/- i y) = +/- i acos(x +/- i y) */
Thanks - Damian
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