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Message-Id: <EEB44EA2-D13E-49B4-B501-882526046A88@gmail.com>
Date: Fri, 7 Mar 2025 11:58:56 -0600
From: Stephen Heumann <stephenheumann@...il.com>
To: musl@...ts.openwall.com
Cc: Thorsten Glaser <tg@...bsd.de>
Subject: Re: f128 aliases for long double math symbols
On Mar 7, 2025, at 11:38 AM, Rich Felker <dalias@...c.org> wrote:
>
>> i dont think the standard explicitly requires unequal library
>> functions.
>
> I don't see how you read that. The standard specifies two functions,
> and specifies that different functions compare not-equal. It does not
> rigorously define the word "different" but that's par for WG14.
The response to DR#78 indicates memcpy and memmove may compare equal:
https://www.open-std.org/jtc1/sc22/wg14/www/docs/dr_078.html
That's an old DR for C90, so maybe you could argue it's not directly applicable to current standards, but at least at one time WG14 said that was allowed.
--Stephen Heumann
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