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From: Robert Dewar <robert_dewar@my-deja.com>
Subject: Re: Engineering types hierarchy
Date: 1999/09/08
Message-ID: <7r5laq$b8k$1@nnrp1.deja.com>#1/1
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Date: 1999-09-08T00:00:00+00:00
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In article <7r50i7$e893@svlss.lmms.lmco.com>,
  dkristol@see-my.sig wrote:
> Hello,
>
> I am trying to put together a robust and easily usable
> hierarchy of types packages to support a collection of
> engineering units (kilograms, meters, seconds, etc.)
> in scalar, vector, and matrix forms.

There is quite a literature on how to approach this problem
effectively. You should certainly peruse this literature before
starting a project like this. There are several quite different
approaches, and the problems associated with the various
approaches have been discussed in some detail in the past.


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