25 lines
881 B
MiniZinc
25 lines
881 B
MiniZinc
include "disjunctive_strict_opt.mzn";
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include "fzn_disjunctive_opt.mzn";
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include "fzn_disjunctive_opt_reif.mzn";
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/** @group globals.scheduling
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Requires that a set of tasks given by start times \a s and durations \a d
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do not overlap in time. Tasks with duration 0 can be scheduled at any time,
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even in the middle of other tasks. Start times are optional variables, so
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that absent tasks do not need to be scheduled.
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Assumptions:
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- forall \p i, \a d[\p i] >= 0
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*/
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predicate disjunctive(array[int] of var opt int: s,
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array[int] of var int: d) =
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assert(index_set(s) == index_set(d),
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"disjunctive: the array arguments must have identical index sets",
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forall (i in index_set(d)) (d[i] >= 0) /\
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if (lb_array(d) > 0) then
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disjunctive_strict(s,d)
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else
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fzn_disjunctive_opt(s, d)
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endif
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);
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