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dekker.one
1include "fzn_disjunctive_strict_opt.mzn";
2include "fzn_disjunctive_strict_opt_reif.mzn";
3
4/** @group globals.scheduling
5 Requires that a set of tasks given by start times \a s and durations \a d
6 do not overlap in time. Tasks with duration 0 CANNOT be scheduled at any time,
7 but only when no other task is running. Start times are optional variables, so
8 that absent tasks do not need to be scheduled.
9
10 Assumptions:
11 - forall \p i, \a d[\p i] >= 0
12*/
13predicate disjunctive_strict(array[int] of var opt int: s,
14 array[int] of var int: d) =
15 assert(index_set(s) == index_set(d),
16 "disjunctive: the array arguments must have identical index sets",
17 fzn_disjunctive_strict_opt(s,d)
18 );