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From: Pascal Obry <p.obry@wanadoo.fr>
Newsgroups: comp.lang.ada
Subject: Re: Problems with Mine Detector Game
Date: 07 Nov 2001 10:04:47 +0100
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Jeffrey Carter <jrcarter@acm.org> writes:

> >    raised CONSTRAINT_ERROR : field-operations.adb:101
> 
> This is puzzling. There should be no way that line can raise
> Constraint_Error.

I understant that. That's why I said it is weird ! The fact is that if I
output (put_line) the value returned in PragmARC.Universal_Random.Random_Int,
the exception is not raised and the value seems fine. If I print the value
returned by this function on the caller side I get 0. Which is not a positive
hence the exception... So it is either some kind of corrupted memory, a GNAT
bug, or a build problem on my side !

> > There is something really weird here... either a corrupted memory or a
> > GNAT bug...
> > 
> > What compiler did you use on Windows to build the binary ?
> 
> The binary was built using GNAT 3.13p and GtkAda 1.3.10 on Win98.
> 
> FWIW, we have now built Mine_Detector with GtkAda 1.3.12 on Win98 with
> no problems.

I have tested it on Windows 2000 with GNAT 3.14, 3.15 and GtkAda 1.3.12.

Pascal.

-- 

--|------------------------------------------------------
--| Pascal Obry                           Team-Ada Member
--| 45, rue Gabriel Peri - 78114 Magny Les Hameaux FRANCE
--|------------------------------------------------------
--|         http://perso.wanadoo.fr/pascal.obry
--|
--| "The best way to travel is by means of imagination"