15 lines
632 B
MiniZinc
15 lines
632 B
MiniZinc
%-----------------------------------------------------------------------------%
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% Constrains two arrays of int variables to represent inverse functions.
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% All the values in each array must be within the index set of the other array.
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%
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% Linear version.
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%-----------------------------------------------------------------------------%
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include "fzn_inverse_in_range.mzn";
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predicate fzn_inverse(array[int] of var int: f,
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array[int] of var int: invf) =
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forall(i in index_set(f)) ( f[i] in index_set(invf) ) /\
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forall(j in index_set(invf)) ( invf[j] in index_set(f) ) /\
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fzn_inverse_in_range(f, invf);
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