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From: "Martin Dowie" <martin.dowie@btopenworld.com>
Newsgroups: comp.lang.ada
Subject: Re: New limited range type?
Date: Fri, 7 Nov 2003 16:20:24 +0000 (UTC)
Organization: BT Openworld
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"Hyman Rosen" <hyrosen@mail.com> wrote in message
news:1068220677.950551@master.nyc.kbcfp.com...
> Martin Dowie wrote:
> > I'd like to be able to declare integer/float/fixed/decimal types that
are
> > limited, at both ends, and never raise exceptions
>
> This is generally called saturating arithmetic, and you are
> far from the first to request it.

Well, at least I'm not asking for anything _completely_ stupid then! :-)


> I belive the difficulty
> lies in assigning meaning to expressions and intermediate
> results. What if you say A := B + C - D, with values such
> that (B + C) saturates but B + (C - D) does not?

Standard operator precedent rules should apply - I can't see
that as being outragous?