Kilian Sprotte wrote:

It does not seem to be a good idea however to alter the view x1 while iterating over it...(is it true that this should not be done/ will cause problems?)

Hhm, could anyone give me a hint, what I could use in order to do this safely?

Another option, which you could try more easily, is to wrap your IntVarValues inside an Iter::Cache. The cache is filled when you create it, so you can safely update the domain afterwards. However, you should probably only use this for testing, as the problem with the quadratic runtime remains.

Cheers,
        Guido

--
Guido Tack
Programming Systems Lab, Saarland University, Germany
http://www.ps.uni-sb.de/~tack




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