From: Po Lu <luangruo@yahoo.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: log2
Date: Wed, 18 Jan 2023 21:11:44 +0800 [thread overview]
Message-ID: <87v8l46l7z.fsf@yahoo.com> (raw)
In-Reply-To: <83tu0o0znq.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 18 Jan 2023 14:56:25 +0200")
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Po Lu <luangruo@yahoo.com>
>> Date: Wed, 18 Jan 2023 20:01:36 +0800
>>
>> commit 203ffc68468abaccfed7e8ee630d9aa143ce5dbf
>> Author: Paul Eggert <eggert@cs.ucla.edu>
>> Date: Tue May 10 14:44:35 2022 -0700
>>
>> Port libm configure-time test to Solaris 11.4
>>
>> * configure.ac (LIB_MATH): Check all the math.h functions
>> that Emacs uses, not just sqrt (Bug#55294).
>>
>> introduced a test for log2. But some versions of Android lack that
>> function, being one major operating system to not support all of the C99
>> math functions.
>>
>> Does Emacs actually use log2 anywhere?
>
> Emacs uses log2 in Flog.
I meant not conditioned under HAVE_LOG2, sorry.
prev parent reply other threads:[~2023-01-18 13:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <878ri0831b.fsf.ref@yahoo.com>
2023-01-18 12:01 ` log2 Po Lu
2023-01-18 12:56 ` log2 Eli Zaretskii
2023-01-18 13:11 ` Po Lu [this message]
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