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From: Niklas Holsti <nholsti@icon.fi>
Subject: Re: Simple Real_Time.Time_Span question
Date: 1998/10/14
Date: 1998-10-14T00:00:00+00:00	[thread overview]
Message-ID: <3624E1DC.B083F43A@icon.fi> (raw)
In-Reply-To: 700ic6$q1p$1@nnrp1.dejanews.com

dennison@telepath.com wrote:
> 
> I need to convert values of Ada.Real_Time.Time_Span into floating point
> values for use in time-based simulation calculations. I'd think there *has*
> to be a way to do this, but I don't see one. All I see is the ability to do
> it indirectly via a conversion to Duration. But that looses the extra
> accuracy of Time_Span, which was the whole point of using it in the first
> place.

   [ snip ]
> 
>   Thus a package billed as "Real_Time" ought to provide a portable way to get
> a floating point value of a delta time (time_span). Where is it?

How about taking your Time_Span value, dividing it with Time_Span_Unit
to get an integer, then multiplying with Time_Span to get a real number?
The items Time_Span_Unit, "/" and Time_Span are defined in
Ada.Real_Time.

I haven't tried it, but the LRM seems clear on this.

Niklas Holsti




  reply	other threads:[~1998-10-14  0:00 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1998-10-13  0:00 Simple Real_Time.Time_Span question dennison
1998-10-13  0:00 ` David C. Hoos, Sr.
1998-10-13  0:00   ` dennison
1998-10-14  0:00     ` Niklas Holsti [this message]
1998-10-14  0:00       ` Niklas Holsti
1998-10-14  0:00     ` Robert I. Eachus
1998-10-14  0:00       ` Keith Thompson
1998-10-14  0:00       ` Jonathan Guthrie
1998-10-15  0:00         ` dennison
1998-10-16  0:00           ` Tucker Taft
1998-10-16  0:00             ` dennison
1998-10-16  0:00               ` dewar
1998-10-17  0:00           ` Niklas Holsti
1998-10-13  0:00 ` dennison
1998-10-13  0:00 ` Tucker Taft
1998-10-14  0:00 ` dewar
1998-10-14  0:00   ` dennison
1998-10-14  0:00     ` Robert I. Eachus
1998-10-15  0:00       ` dennison
1998-10-16  0:00         ` Robert I. Eachus
1998-10-14  0:00     ` Matthew Heaney
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