14 lines
495 B
MiniZinc
14 lines
495 B
MiniZinc
predicate fzn_range_reif(array[int] of var int: x, var set of int: s,
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var set of int: t,
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var bool: b) =
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b <-> (
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% All values in 's' must map to a value in 't'.
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forall(i in ub(s)) (
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i in s -> x[i] in t
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) /\
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% All values in 't' must be mapped from a value in 's'.
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forall(i in ub(t)) (
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i in t -> exists(j in ub(s)) ( j in s /\ x[j] == i )
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)
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);
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