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From: Keith Thompson <Keith.S.Thompson+u@gmail.com>
Newsgroups: comp.unix.programmer
Subject: Re: Python (was Re: I did not inhale)
Date: Tue, 20 Aug 2024 15:06:31 -0700
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James Kuyper <jameskuyper@alumni.caltech.edu> writes:
> I originally posted this a couple of days ago, to the wrong newsgroup.
> Sorry.
>
> On 8/18/24 15:24, Keith Thompson wrote:
>> David Brown <david.brown@hesbynett.no> writes:
>> [...]
>>> Without looking it up, what does the C standard library "fegetmode"
>>> function do?
>>
>> Nothing, it's specific to GNU libc.
>
> ? It's in every draft version of the C standard that I have since
> n2346.pdf, dated 2019-03-13. In the latest draft I have, n3096.pdf, it
> is described as follows:
>
> 7.6.5.1
> "The fegetmode function
> Synopsis
> #include <fenv.h>
> int fegetmode(femode_t *modep);
>
> Description
> The fegetmode function attempts to store all the dynamic floating-point
> control modes in the object pointed to by modep.
>
> Returns
> The fegetmode function returns zero if the modes were successfully
> stored. Otherwise, it returns a nonzero value."

Copying what I posted to comp.lang.c :

You're right.  It's not in C11 or C17, but it is in the C23 drafts.

My mistake.

....

The earliest reference I can find to fegetmode is in n2314,
"Floating-point extensions for C", 2018-11-12.  The earliest draft
standard that refers to it is n2346, 2019-03-13.

https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2314.pdf
https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2346.pdf

-- 
Keith Thompson (The_Other_Keith) Keith.S.Thompson+u@gmail.com
void Void(void) { Void(); } /* The recursive call of the void */