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From: =?iso-8859-15?Q?Yannick_Duch=EAne_=28Hibou57=29?=
 <yannick_duchene@yahoo.fr>
Newsgroups: comp.lang.ada
Subject: Re: SI unit checking
Date: Mon, 16 Aug 2010 22:00:18 +0200
Organization: Ada At Home
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Date: 2010-08-16T22:00:18+02:00
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Le Mon, 05 Jul 2010 10:56:47 +0200, AdaMagica  =

<christoph.grein@eurocopter.com> a =E9crit:

> Dimension checking in Ada made simple. All 7 SI units are included;
> Centigrade and other temperature skales.
>
> Runtime checks can easily be switched off by changing only a few lines=

> of code, i.e. only the numerics remains.
> IO with unit information is included, e.g.  10.0*km/h. Easy definition=

> of arbitrary other units.
> 3D vector spaces. Rotation via matrices or quaternions.
>
> Examples of use and a lot of unit tests are provided.
>
> http://www.christ-usch-grein.homepage.t-online.de/Ada/SI.html
>
> This version fixes a bug in the definition of photometry unit lm=3Dcd*=
sr.

Not really the same, while in the same area, this topic make think about=
  =

an old entry in my bookmarks, which may complete yours. A web paper abou=
t  =

dimensional arithmetic in Ada
http://www.christ-usch-grein.homepage.t-online.de/Ada/Universe.html

Keep in mind it's a bit old, so this may need some review.