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dekker.one
1include "fzn_span.mzn";
2include "fzn_span_reif.mzn";
3
4/** @group globals.scheduling
5 Span constraint for optional tasks. Task (\a s0,\a d0) spans the optional
6 tasks (\a s[\p i],\a d[\p i]) in the array arguments.
7*/
8predicate span(var opt int: s0, var int: d0,
9 array[int] of var opt int: s,
10 array[int] of var int: d) =
11 assert(index_set(s) = index_set(d),
12 "span: index sets of third and fourth argument must be identical",
13 fzn_span(s0,d0,s,d)
14 );