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From: Tim Rentsch <tr.17687@z991.linuxsc.com>
Newsgroups: comp.lang.c++
Subject: Re: We have a new standard!
Date: Tue, 14 Jan 2025 08:49:09 -0800
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Michael S <already5chosen@yahoo.com> writes:

> On Wed, 8 Jan 2025 08:44:05 +0200
> Paavo Helde <eesnimi@osa.pri.ee> wrote:
>
>> Fast *and* accurate printing of floating-point numbers is not a
>> trivial task.  AFAIK last significant advances in this area were done
>> as late as in 2010.  See e.g.
>> "http://www.serpentine.com/blog/2011/06/29/
>>      here-be-dragons-advances-in-problems-you-didnt-even-know-you-had/"
>
> I didn't read it, but I want to point that even the question of what is
> 'accurate' is not trivial when we consider conversion in
> non-default rounding modes.  I am not sure that C++ standard contains
> sufficient information about it.

IIANM the default rounding mode (at least in C) is round to nearest,
and even just that is not trivial.

(For michael: I sent you an email about the start of 2025; no reply
as yet.)