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From: sjw <simon.j.wright@mac.com>
Subject: Re: Question on types conversions - operations
Date: Mon, 15 Jun 2009 12:37:42 -0700 (PDT)
Date: 2009-06-15T12:37:42-07:00	[thread overview]
Message-ID: <87a681dd-0bb8-4143-b875-2b3967364c61@s12g2000yqi.googlegroups.com> (raw)
In-Reply-To: 6e151h.kgc.ln@hunter.axlog.fr

On Jun 15, 9:40 am, Jean-Pierre Rosen <ro...@adalog.fr> wrote:
> sjw a écrit :>> With S := Speed(Float(L) / Float(T)) ? Mmmm ... not nice.
>
> Why not nice? You are performing (for good reasons) a non homogenous
> operation. Therefore you go to the no-dimension world (convert to
> Float), do your operation there, then return to the dimensioned world
> (convert to Speed).

There's nothing in the code as presented to make sure that
Distance'Base and Time'Base are both (even either!) Float.

I suppose if the code said Speed (Distance'Base (L) / Time'Base (T))
we would get a failure to compile if one was Float and the other
Long_Float.



  parent reply	other threads:[~2009-06-15 19:37 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-13 15:51 Question on types conversions - operations Olivier Scalbert
2009-06-13 16:13 ` Robert Matthews
2009-06-13 16:55 ` anon
2009-06-13 16:58 ` Dmitry A. Kazakov
2009-06-13 16:59 ` sjw
2009-06-13 17:24   ` Martin
2009-06-13 19:35     ` sjw
2009-06-14  8:22     ` sjw
2009-06-15  8:40   ` Jean-Pierre Rosen
2009-06-15  9:30     ` Olivier Scalbert
2009-06-15  9:51       ` stefan-lucks
2009-06-15 10:33     ` AdaMagica
2009-06-15 19:37     ` sjw [this message]
2009-06-13 19:56 ` Jeffrey R. Carter
2009-06-14 15:55   ` Robert A Duff
2009-06-15  8:52 ` AdaMagica
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