FD.abs

[Torsten Anders]

On Tuesday 05 February 2002 15:09, Frank Rehberger wrote:
> On Tue, 2002-02-05 at 15:15, Torsten Anders wrote:
> > Hi,
> >
> > For a FD search I need the absolute value of a difference. So far I came
> > only up with a solution introducing a choice point (see example below).
> > Can this be done without?
> >
> > proc {AbsDiff X Y Z}
> >    dis (Y-X) >=: 0 then Z =: Y-X
> >    [] (Y-X) <: 0 then Z =: X-Y
> >    end
> > end
>
> {FD,distance X Y Z}

Thanks and sorry for bothering you -- I should have found this myself 
actually 8~)

Regards,
Torsten

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