Half-checking propagators

10 Jul 2020Mikael Zayenz LagerkvistMagnus Rattfeldt

Propagators are central to the success of constraint programming, that is contracting functions removing values proven not to be in any solution of a given constraint. The literature contains numerous propagation algorithms, for many different constraints, and common to all these propagation algorithms is the notion of correctness: only values that appear in no solution to the respective constraint may be removed... (read more)

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