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From: Tucker Taft <stt@averstar.com>
Subject: Re: Question for the folks who designed Ada95
Date: 1999/04/30
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Date: 1999-04-30T00:00:00+00:00
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Mark A Biggar wrote:
> 
> Fraser Wilson wrote:
> >
> > paene lacrimavi postquam Robert Dewar  scripsit:
> >
> > >Now, *without* going to the Ada RM, let's see if we can
> > >remember exactly what's going on with the etc here. Hands
> > >up those who remember how NOT works on non-binary modular
> > >types (hint: the above quote is wrong wrt NOT :-)
> >
> > not X = Y: X + Y = 0 ?
> 
> That works.  The RM defines it as (Modulus - X) which 
> is the same value.

Not ;-).  The RM defines "not(X)" as mod_type'Base'Last - X
(see paragraph 4.5.6(5)).   In any case, I think Robert has 
proven his point!

> ...
> Mark Biggar
> mark.a.biggar@lmco.com

-- 
-Tucker Taft   stt@averstar.com   http://www.averstar.com/~stt/
Technical Director, Distributed IT Solutions  (www.averstar.com/tools)
AverStar (formerly Intermetrics, Inc.)   Burlington, MA  USA