From: Martin Krischik <krischik@users.sourceforge.net>
Subject: Re: different compilers: different standard types?????
Date: Wed, 17 Mar 2004 18:10:20 +0100
Date: 2004-03-17T18:10:20+01:00 [thread overview]
Message-ID: <1289218.QGP5jpaqpk@linux1.krischik.com> (raw)
In-Reply-To: c391gu$5c3$1@e3k.asi.ansaldo.it
Riccardo wrote:
> Hello everybody!
>
> I've got a problem.
> Using an old program that now my Firm wants to make running on different
> kind of consoles simoultaneously I see that my compilers (I have two of
> them) are different ones depending on the fact that the word lenght is
> different (32 vs 64 bit).
>
> Specifically: I noticed that the type long_long_integer, that is used on
> the first one, is not present at all on the second one.
Well define your own types.
> I'm looking for a solution that should permit me to compile the software
> on both the environments making, obviously, the least changes on the
> current version.
>
> The same product, in the end, should be compiled on both the consoles
> without making changes! (it is possible!?!??!!??!)
If both compilers support the same types: yes.
> Is there someone who has any kind of easy solution for that problem??
I take it you are pretty new to Ada - otherwise you would know the solution.
In Ada you can define your own integer types. i.E.:
type Month is range 1 .. 31;
The compiler will choose the bits needed which is good for most programms.
If you need a special size you can say:
for Month'Size use 8; -- bit!
or even
for Month'Size use 5;
Performace for a 5 bit type will be abysmal but if you want it the compiler
will give it to you.
If you need long_long_integer and the compiler does not provide one use:
type long_long_integer is range -2**63 .. +2**63 - 1;
for long_long_integer'Size use 64;
With Regards
Martin
--
mailto://krischik@users.sourceforge.net
http://www.ada.krischik.com
next prev parent reply other threads:[~2004-03-17 17:10 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-17 8:15 different compilers: different standard types????? Riccardo
2004-03-17 17:10 ` Martin Krischik [this message]
2004-03-18 3:47 ` Steve
2004-03-18 10:37 ` Jean-Pierre Rosen
2004-03-18 13:09 ` Dmitry A. Kazakov
2004-03-18 13:13 ` Marius Amado Alves
2004-03-18 14:21 ` Ludovic Brenta
2004-03-18 14:45 ` Georg Bauhaus
2004-03-18 17:33 ` Marius Amado Alves
2004-03-18 17:42 ` Martin Krischik
2004-03-19 0:16 ` Jeffrey Carter
[not found] ` <200403181313.16003.maa@liacc.up.pt>
2004-03-18 19:35 ` Duncan Sands
2004-03-19 1:08 ` Stephen Leake
[not found] ` <200403182035.57424.baldrick@free.fr>
2004-03-19 8:07 ` Marius Amado Alves
2004-03-19 3:29 ` Steve
2004-03-19 15:36 ` Marius Amado Alves
[not found] ` <00a401c40dc7$f2b333e0$c32416d5@netcabo.pt>
2004-03-19 16:03 ` Marius Amado Alves
[not found] ` <u7jxhprro.fsf@acm.org>
[not found] ` <005f01c40dbf$94ce9e20$c32416d5@netcabo.pt>
2004-03-19 13:19 ` Stephen Leake
2004-03-19 14:36 ` Marius Amado Alves
2004-03-19 10:16 ` Jean-Pierre Rosen
2004-03-20 0:52 ` Jeffrey Carter
2004-03-20 22:56 ` Marius Amado Alves
-- strict thread matches above, loose matches on Subject: below --
2004-03-19 7:33 Riccardo
2004-03-19 13:10 ` Martin Dowie
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