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From: "Martin Dowie" <martin.dowie@baesystems.com>
Newsgroups: comp.lang.ada
Subject: Re: Dimensions and fixed point types
Date: Wed, 9 Jun 2004 08:47:29 +0100
Organization: BAE SYSTEMS
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Date: 2004-06-09T08:47:29+01:00
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"Duncan Sands" <baldrick@free.fr> wrote in message
news:mailman.77.1086765132.391.comp.lang.ada@ada-france.org...
> Fixed point types have a remarkable property:
> you can multiply any two of them to get a third.
> You can multiply apples and oranges and get
> bananas.  This goes against type safety.
[snip]
> function "*" (Left : Apples; Right : Oranges) return Banana;
> pragma Import (Intrinsic, "*");

I think this is being addressed by the ARG in AI-364

http://www.ada-auth.org/cgi-bin/cvsweb.cgi/AIs/AI-00364.TXT?rev=1.6

Still a work item though...