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From: Robert A Duff <bobduff@world.std.com>
Subject: Re: Type conversion / computing problem
Date: 2000/02/17
Message-ID: <wccemabg2j1.fsf@world.std.com>#1/1
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Sender: bobduff@world.std.com (Robert A Duff)
References: <38AC2367.F60CA114@gmx.net>
Organization: The World Public Access UNIX, Brookline, MA
Newsgroups: comp.lang.ada
Date: 2000-02-17T00:00:00+00:00
List-Id: <comp.lang.ada>

Andreas <Amun_Ra72@gmx.net> writes:

> Now, the problem is that these functions work perfectly only for positive 
> Integers (I guess because of the unsigned Byte), not for negative values.

You could convert each signed integer to a modular of the same size
using Unchecked_Conversion.  And I think your code already knows how to
convert that to an array-of-8-bytes, with the right byte ordering.

Or, unchecked conv signed to modular of same size, then use a normal
type_conversion to convert to a "mod 2**64" type, then unchecked convert
that to array-of-8-bytes, then apply a byte-swap procedure to that
array.

- Bob