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on-restart-benchmarks/share/minizinc/std/fzn_bin_packing_capa_reif.mzn
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576 B
MiniZinc

predicate fzn_bin_packing_capa_reif(array[int] of int: c,
array[int] of var int: bin,
array[int] of int: w,
var bool: b) =
b <-> (
forall( i in index_set(bin) ) (
min(index_set(c)) <= bin[i] /\ bin[i] <= max(index_set(c))
)
/\
forall( b in index_set(c) ) (
c[b] >= sum ( i in index_set(bin) ) (
w[i] * bool2int( bin[i] = b )
)
));
%-----------------------------------------------------------------------------%