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From: Keith Thompson <kst@cts.com>
Newsgroups: comp.lang.ada
Subject: Re: Duration vs. Ada.Real_Time
Date: 26 Jan 2001 21:01:29 -0800
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Ted Dennison <dennison@telepath.com> writes:
[...]	
> This gets back around to the issue we were discussing a couple of weeks
> ago. If the language requires units of seconds, but the system's clock
> used some incompatable system like Hz (eg: 60 Hz, which can't be
> represented exactly in terms of fixed-point seconds), then you (or at
> least *I*) would actually prefer a much higher precision, so that your
> error in representation isn't so great when you start to do math with it.

An implementation could easily declare type Duration in such a way
that 1.0/60.0 is exactly representable.

On the other hand, you probably don't want Duration to have that kind
of dependency on a particular system.

-- 
Keith Thompson (The_Other_Keith) kst@cts.com  <http://www.ghoti.net/~kst>
San Diego Supercomputer Center           <*>  <http://www.sdsc.edu/~kst>
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