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Date: Fri, 05 Jan 2018 17:16:57 +0100
From: "Juan Manuel Guerrero (juan DOT guerrero AT gmx DOT de) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
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To: djgpp AT delorie DOT com
Subject: Re: Fixing various bugs in frexp.S
References: <5A4946EB DOT 3090500 AT gmx DOT de>
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Reply-To: djgpp AT delorie DOT com

Am 31.12.2017 21:22, schrieb Juan Manuel Guerrero (juan DOT guerrero AT gmx DOT de) [via djgpp AT delorie DOT com]:
> The frexp function provided by libc.a has a couple of bugs:
> - it sets errno to EDOM if the argument is either infinity or NaN
> - it produces the wrong value if the argument is -0
> - it returns NaN if the argument is infinity
> - for NaN and infinity arguments no sign checks are done thus the
> results are always positive
>
> All these issues are serious deviations from the ansi/posix behavior.
> With the patch below I have tried to fix these issues. If I do not get
> any serious objection I will commite the patch in a couple of days.

OFYI, I commited the changes.

Regards,
Juan M. Guerrero