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From: Mats Weber <Mats.Weber@elca-matrix.ch>
Subject: Re: Question about base types
Date: 1997/01/28
Message-ID: <32EE1434.3BB4@elca-matrix.ch>#1/1
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references: <mheaney-ya023280002601971414080001@news.ni.net>
 <EACHUS.97Jan27211816@spectre.mitre.org>
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Date: 1997-01-28T00:00:00+00:00
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>   > If I declare an integer type, say
> 
>   > type T is range 1 .. 10;
> 
>   > Then I think that according to the Ada model this means I'm declaring some
>   > unnamed type, but whose first named subtype is T:
> 
>   > type <anonomous parent of T> is System.Min_Int .. System.Max_Int;
>   > subtype T is <anonomous parent of T> range 1 .. 10;
> 
>   > Do I have this correct?
> 
>   No.  The range of the anonomous type must be at least -15..15, but
> the actual range is implementation dependent.

I think this should be -10 .. 10. Nothing in the RM says it must be a
power of two minus one.