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Date: Sun, 23 Feb 2020 22:18:31 +0100
From: Florian Weimer <fw@...eb.enyo.de>
To: Damian McGuckin <damianm@....com.au>
Cc: musl@...ts.openwall.com
Subject: Re: Min and Max of 2 Floating Point numbers
* Damian McGuckin:
> Please tell me if I am wrong.
>
> MUSL relevance: I believe that even in 1.2.0, MUSL's own fmax/fmin libc
> routines violate the IEEE 754-2019 standard which came out recently.
I don't think the new IEEE 754 version specifies the behavior of the
fmax/fmin functions due to the way they implemented this change. Do
you have a publicly accessible reference?
For ISO C, there is a different proposal here:
<http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2489.pdf>
It preserves the existing behavior of fmax/fmin, as far as I can tell.
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