18 lines
974 B
MiniZinc
18 lines
974 B
MiniZinc
predicate fzn_diffn_nonstrict_k(array[int,int] of var int: box_posn,
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array[int,int] of var int: box_size) =
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let { set of int: DIMS= index_set_2of2(box_posn) } in
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forall(b1, b2 in index_set_1of2(box_posn) where b1 < b2)
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(fzn_diffn_nonstrict_nonoverlap_k([ box_posn[b1,j] | j in DIMS ],
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[ box_size[b1,j] | j in DIMS ],
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[ box_posn[b2,j] | j in DIMS ],
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[ box_size[b2,j] | j in DIMS ] )
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)
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;
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predicate fzn_diffn_nonstrict_nonoverlap_k(array[int] of var int: x1,
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array[int] of var int: w1,
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array[int] of var int: x2,
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array[int] of var int: w2) =
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exists(j in index_set(x1))
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(w1[j] = 0 \/ w2[j] = 0 \/ x1[j] + w1[j] <= x2[j] \/ x2[j] + w2[j] <= x1[j]);
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