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NNTP-Posting-Date: Tue, 19 Feb 2008 03:53:40 -0600
From: Reinert Korsnes <a@b.no>
Subject: Re: Bug in Ada (SuSe 10.2) ?
Newsgroups: comp.lang.ada
Date: Tue, 19 Feb 2008 10:53:40 +0100
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Date: 2008-02-19T10:53:40+01:00
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Thanks, I see,

I looked for a general "safe mode" under gnat.
Did not find. Is there any ?

reinert


Niklas Holsti wrote:

> Reinert Korsnes wrote:
>> Hi there,
>> 
>> could anyone try the test program below
>> (which should output only positive numbers or error message).
>> ...
>> The program should give an "integer out of range" error message ?
> 
> GNAT does not generate run-time overflow checks by default.
> 
>> I compiled the program with the following command:
>> gnatmake -gnat05 test2
> 
> Add the option -gnato to enable run-time overflow checks. You
> should then get:
> 
>                     1
>                     2
>                     6
>                    24
>                   120
>                   720
>                  5040
>                 40320
>                362880
>               3628800
>              39916800
>             479001600
> 
> raised CONSTRAINT_ERROR : test2.adb:14 overflow check failed
> 
> 
> HTH
> 
> --
> Niklas Holsti
> Tidorum Ltd
> niklas holsti tidorum fi
>        .      @       .