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Date: Sat, 6 Jun 2026 18:53:11 +0200
Message-ID: <CADt9576meHrk_QGyqrXYZuOky_9uA478+tehwjGg38_R6R9xTA@mail.gmail.com>
Subject: Re: log2() is not called for C code, a bug into math.h ?
To: Dimitry Andric <dimitry AT unified-streaming DOT com>
Cc: The Cygwin Mailing List <cygwin AT cygwin DOT com>
From: "Carlo B. via Cygwin" <cygwin AT cygwin DOT com>
Reply-To: "Carlo B." <carlo DOT bramini AT gmail DOT com>
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Hello,

Il Sab 6 Giu 2026, 14:19 Dimitry Andric <dimitry AT unified-streaming DOT com> ha
scritto:

>
> It's been defined like that since the "import newlib-2000-02-17 snapshot",
> so for 26 years:
>
>
> https://sourceware.org/git/?p=newlib-cygwin.git;a=blob;f=newlib/libc/include/math.h;h=d3f2e99ae4d33596b608225f0349a6d581d265ca;hb=8a0efa53e44919bcf5ccb1d3353618a82afdf8bc#l103
>
> My guess is that at the time, there wasn't yet a separate log2()
> implementation, so this was an easy way to cover that case.
>

Thank you very much for the reply.
So, do you think that it would be possible to remove those lines from
math.h and use the log2() now provided?

Sincerely,

Carlo Bramini


> -Dimitry
>
>

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