From: dewar@gnat.com (Robert Dewar)
Subject: Re: 64-bit integers in Ada
Date: 16 May 2002 19:28:01 -0700
Date: 2002-05-17T02:28:01+00:00 [thread overview]
Message-ID: <5ee5b646.0205161828.33e794ee@posting.google.com> (raw)
In-Reply-To: 3CE3978F.6070704@gmx.spam.egg.sausage.and.spam.net
David Rasmussen <david.rasmussen@gmx.spam.egg.sausage.and.spam.net> wrote in message news:<3CE3978F.6070704@gmx.spam.egg.sausage.and.spam.net>...
> I understand that I can easily use an integer in Ada that has exactly 64
> bits. But are there any guarantees that such a type would be mapped to
> native integers on 64-bit machines or to a reasonable double 32-bit
> implementation on 32-bit machines? At least, are compilers ok at this in
> real life?
>
> /David
You have to check the particular compiler. GNAT supports 64-bit arithmetic
on all targets, using whatever is appropriate efficient code to do so.
next prev parent reply other threads:[~2002-05-17 2:28 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-16 11:27 64-bit integers in Ada David Rasmussen
2002-05-17 2:28 ` Robert Dewar [this message]
2002-05-17 13:56 ` Mark Johnson
2002-07-29 15:33 ` Victor Giddings
2002-07-29 20:15 ` Robert A Duff
2002-07-30 18:35 ` Richard Riehle
2002-07-30 20:20 ` Robert A Duff
2002-07-31 0:13 ` Robert Dewar
2002-07-31 4:17 ` Keith Thompson
2002-07-31 8:41 ` Larry Kilgallen
2002-07-31 13:20 ` Robert A Duff
2002-07-31 13:42 ` Marin David Condic
2002-08-01 7:54 ` Lutz Donnerhacke
2002-08-01 13:07 ` Marin David Condic
2002-08-02 7:31 ` Lutz Donnerhacke
2002-08-02 13:21 ` Marin David Condic
2002-08-03 12:24 ` Robert Dewar
2002-08-03 18:59 ` Richard Riehle
2002-08-04 6:12 ` Chad R. Meiners
2002-08-04 14:07 ` Robert Dewar
2002-08-05 2:28 ` Richard Riehle
2002-08-11 15:32 ` Simon Wright
2002-08-13 21:14 ` Randy Brukardt
2002-08-04 18:00 ` Larry Kilgallen
[not found] ` <5ee5b646.0208040607.ebb6909@posting.googOrganization: LJK Software <PG2KS5+doDWm@eisner.encompasserve.org>
2002-08-05 1:44 ` Robert Dewar
2002-08-05 1:48 ` Robert Dewar
2002-08-05 11:40 ` Marc A. Criley
2002-08-05 14:40 ` Pat Rogers
2002-08-05 2:34 ` Richard Riehle
2002-08-11 21:56 ` Robert A Duff
2002-08-13 21:09 ` Randy Brukardt
2002-08-18 1:01 ` AG
2002-08-20 0:15 ` Robert Dewar
2002-08-02 8:37 ` Fraser Wilson
2002-08-02 12:54 ` Frank J. Lhota
2002-08-01 11:57 ` Larry Kilgallen
2002-08-01 17:53 ` Ben Brosgol
2002-08-01 20:32 ` Keith Thompson
2002-07-31 21:50 ` Keith Thompson
2002-07-31 21:59 ` Robert A Duff
2002-07-30 4:29 ` Robert Dewar
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