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From: eachus@spectre.mitre.org (Robert I. Eachus)
Subject: Re: Size code Ada and C
Date: 1998/07/07
Message-ID: <EACHUS.98Jul7145000@spectre.mitre.org>#1/1
X-Deja-AN: 369303821
References: <35921271.E51E36DF@aonix.fr> <m3zpf1tyr8.fsf@zaphod.enst.fr>
 <6mtiv0$9j3@gcsin3.geccs.gecm.com> <dewar.898962846@merv>
 <6n8393$hoi$2@platane.wanadoo.fr> <dewar.899298821@merv>
Organization: The Mitre Corp., Bedford, MA.
Newsgroups: comp.lang.ada
Date: 1998-07-07T00:00:00+00:00
List-Id: <comp.lang.ada>

In article <dewar.899298821@merv> dewar@merv.cs.nyu.edu (Robert Dewar) writes:

  > I am puzzled, I thought the problem derived from a constaint error 
  > that was raised by a fixed point operation ...

   There was a floating to fixed/integer conversion instruction in
hardware, that signaled a fault because the operand was out of range.
This could have been handled by a local (Ada) exception handler.
However, the decision was made that this situation could only occur
(in the Arianne 4) in the case of a hardware failure.  So the
exception was allowed to propagate to an outermost handler that
switched control to the backup and dumped state.
--

					Robert I. Eachus

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use  Standard_Disclaimer;
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