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From: Damian McGuckin <damianm@esi.com.au>
To: MUSL <musl@lists.openwall.com>
Subject: [musl] Re: cacosh.c - Comment needs correction
Date: Fri, 8 Mar 2024 15:44:32 +1100 (AEDT)	[thread overview]
Message-ID: <ef75efa8-594d-4864-d566-ab8f3ae2f535@esi.com.au> (raw)
In-Reply-To: <7e3d7940-60c8-2df9-2441-7acee57d7ba@esi.com.au>

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

Pacific Engineering Systems International ..... 20D Grose St, Glebe NSW 2037
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  reply	other threads:[~2024-03-08  4:44 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-08  4:20 [musl] " Damian McGuckin
2024-03-08  4:44 ` Damian McGuckin [this message]
2024-03-09 20:23   ` [musl] " Szabolcs Nagy
2024-03-09 21:56     ` Damian McGuckin

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