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dekker.one
1include "global_cardinality.mzn";
2
3/** @group globals.counting
4 Returns the number of occurrences of \a cover[\p i] in \a x.
5*/
6function array[int] of var int: global_cardinality(array[int] of var int: x,
7 array[int] of int: cover) :: promise_total =
8 let { array[index_set(cover)] of var 0..length(x): counts;
9 constraint global_cardinality(x,cover,counts) } in
10 counts;