Re: Migrating to larger numbers

Kai Henningsen (kaih@khms.westfalen.de)
09 Jun 1999 18:38:00 +0200


hpa@transmeta.com (H. Peter Anvin) wrote on 08.06.99 in <7jk42p$aoc$1@palladium.transmeta.com>:

> Followup to: <7ITCO6lHw-B@khms.westfalen.de>
> By author: kaih@khms.westfalen.de (Kai Henningsen)
> In newsgroup: linux.dev.kernel
> >
> > There's only one large-capacity time_t allowed by the C standard (or
> > POSIX) that can hold more than the largest integer type - double. (Well,
> > or float if it's indeed larger.) Do you really want to use floating-point
> > here?
> >
>
> That's not allowed by POSIX. time_t is among the types specified by
> POSIX to be an *integral* type -- floating-point is not allowed (and
> if it did, "long double" would be allowed.)

Well, I admit that I only looked at Unix98, but that one says
"arithmetic", not "integral", and it's supposed to be a superset of POSIX
(which standard some guy didn't return to me, alas).

MfG Kai

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