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From: "Adam Beneschan" <adam@irvine.com>
Subject: Re: Way to use Ada Mod function on floats?
Date: 1 Dec 2006 09:21:07 -0800
Date: 2006-12-01T09:21:07-08:00	[thread overview]
Message-ID: <1164993667.776075.226720@f1g2000cwa.googlegroups.com> (raw)
In-Reply-To: 1164987168.477589.240140@j44g2000cwa.googlegroups.com

AAFellow@hotmail.com wrote:
> Hi guys,
>
> I need to perform the mod operation on floats.  Does anyone know of a
> simple way to do this in Ada? It seems the mod function is only for
> integers.  I can probably multiply out the decimal places, and then
> divide my answer back, but if there is a more simple way that saves
> computations, I'd rather do that.
>
> Thank you for any help you can provide!

The 'Remainder attribute may help---see A.5.3.  T'Remainder(X,Y) [where
T is a floating-point type] will return a value in the range [-Y/2,
Y/2], which isn't exactly what you want, but I think you can just add Y
to the result if it's negative.  I'm assuming that Y is positive here.

                        -- Adam




  parent reply	other threads:[~2006-12-01 17:21 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-12-01 15:32 Way to use Ada Mod function on floats? AAFellow
2006-12-01 16:37 ` Jeffrey Creem
2006-12-01 17:21 ` Adam Beneschan [this message]
2006-12-01 21:13 ` Chris Moore
2006-12-02 11:11 ` Stephen Leake
2006-12-02 16:40   ` Gautier
2006-12-02 17:48     ` Simon Wright
2006-12-02 18:21       ` Dmitry A. Kazakov
2006-12-02 18:24         ` Dmitry A. Kazakov
2006-12-03  0:50       ` Jeffrey R. Carter
2006-12-03  1:05     ` Randy Brukardt
2006-12-03 15:14     ` Stephen Leake
2006-12-03 22:27       ` Jeffrey R. Carter
2006-12-04 11:31         ` Stephen Leake
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