From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM
	autolearn=ham autolearn_force=no version=3.4.4
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 103376,4c1892715ffb825c
X-Google-Attributes: gid103376,public
X-Google-ArrivalTime: 2002-06-02 05:39:42 PST
Path: 
 archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed.icl.net!opentransit.net!news.tele.dk!small.news.tele.dk!193.162.153.118!news.tele.dk!not-for-mail
Message-ID: <3CFA120E.4080508@yahoo.com>
Date: Sun, 02 Jun 2002 14:39:42 +0200
From: David Rasmussen <pinkfloydhomer@yahoo.com>
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US;
 rv:0.9.9) Gecko/20020412 Debian/0.9.9-6
MIME-Version: 1.0
Newsgroups: comp.lang.ada
Subject: Re: Exceptions in GNAT
References: <3CF9FB01.2070101@yahoo.com>
 <slrnafk3rj.ql.randhol+abuse@kiuk0156.chembio.ntnu.no>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
Organization: TDC Internet
NNTP-Posting-Host: 195.215.62.2
X-Trace: 1023021582 dtext.news.tele.dk 58779 195.215.62.2
X-Complaints-To: abuse@post.tele.dk
Xref: archiver1.google.com comp.lang.ada:25196
Date: 2002-06-02T14:39:42+02:00
List-Id: <comp.lang.ada>

Preben Randhol wrote:
> On Sun, 02 Jun 2002 13:01:21 +0200, David Rasmussen wrote:
> 
>>I am learning Ada, and in one exercise I am told to find out how large 
>>and integer I can use on my system, before it overflows. The exercise 
>>just tells me to add two larger and larger numbers and see when an 
>>exception occurs. I have just compiled my program with gnatmake with no 
>>options, and I am using gcc 3.1 . When the numbers get large enough, the 
>>result is just a negative number because of wrap-around. Shouldn't I get 
>>an exception, unless I turn it off? How do I compile for with most 
>>checks for debug builds, and how do I compile with everything turned off 
>>for performance intensive release builds?
> 
> 
> First you made a very good choice with Ada :-) 
> 

I think so too :)

> I would recommend that you use the gnat 3.14p compiler instead. The
> reason is that the gcc 3.1 is very fresh and the compiler is reported to

OK, I have both of them installed.

> have some problems. So as you now learn Ada I think you can get
> seriously confused if you stumble over these bugs. At least use both and
> if you see a difference you can report it.
>

I will try it.

> Which platform do you use?
> 

Linux. More precisely, Debian.

/David