[gecode-users] assigning IntVars

[Guido Tack]

Tarek Garoui wrote:
> I created an IntVar like this:
>
> IntVar id = new IntVar(this, "ID", new Integer(0), new Integer(max));
>
> After that, I want to post a constraint consisting of a BExpr where  
> I need the value of the IntVar id. But I get the following exception:
> org.gecode.NotAssigned.
>
> How can I assign values to an IntVar ?

You initialized the variable with a domain 0..max, so it's clearly not  
assigned.  It will be assigned by search, of course, but you cannot  
use the final value in your model.

Cheers,
	Guido