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From: Michael S <already5chosen@yahoo.com>
Newsgroups: comp.lang.c
Subject: Re: "A diagram of C23 basic types"
Date: Mon, 7 Apr 2025 23:49:50 +0300
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On Mon, 7 Apr 2025 22:14:20 +0200
Janis Papanagnou <janis_papanagnou+ng@hotmail.com> wrote:

> On 07.04.2025 20:18, bart wrote:
> > On 07/04/2025 19:12, Michael S wrote: =20
> >> On Mon, 7 Apr 2025 19:02:34 +0100
> >> bart <bc@freeuk.com> wrote:
> >> =20
> >>> On 04/04/2025 04:01, Lawrence D'Oliveiro wrote: =20
> >>>> On Wed, 2 Apr 2025 16:33:46 +0100, bart wrote:
> >>>>    =20
> >>>>> Here, tell me at a glance the magnitude of
> >>>>> this number:
> >>>>>
> >>>>>        10000000000 =20
> >>>>
> >>>>       #define THOUSAND 1000
> >>>>       #define MILLION (THOUSAND * THOUSAND)
> >>>>       #define BILLION (THOUSAND * MILLION)
> >>>>
> >>>>       uint64 num =3D 10 * BILLION;
> >>>>
> >>>> Much easier to figure out, don=E2=80=99t you think? =20
> >>>
> >>> Try 20 * BILLION; it will overflow if not careful. =20
> >=20
> > (Actually both 10/20 billion will overflow u32; I was thinking of 20
> > billion billion overflowing u64.)
> >  =20
> >>> I'd normally write '20 billion' outside of C, since I use such
> >>> numbers, with lots of zeros, constantly when writing test code.
> >>>
> >>> But when it isn't all zeros, or the base isn't 10, then numeric
> >>> separators are better.
> >>> =20
> >>
> >> Is not it "20 milliards" in British English? =20
> >=20
> > We (UK) now use 'billion' for 1E9; in the past it meant 1E12.
> >=20
> > 'Milliardo' is Italian for 'billion'; perhaps in a few other
> > languages too. =20
>=20
> "In a few other languages"? - That was not my impression;
> and a quick look into Wikipedia seems to support that.
>=20
> The global map[*] is interesting!
>=20
> (Read the articles for the details, the historic base, and
> especially what's standard in countries, and why the common
> standard is in some cases like GB not used primarily today.)
>=20
> Janis
>=20
> https://upload.wikimedia.org/wikipedia/commons/7/7c/World_map_of_long_and=
_short_scales.svg
>=20
> Green - long scale
> Blue - short scale
> Turquoise - both, long and short
> Yellow - other scales
>=20

I think that this map misses one important detail - majority of "blue"
non-English-speaking countries spell 1e9 as milliard/miliard.
I.e. for that specific scale they are aligned with "green" countries.
If you don't believe me, try google translate.