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on-restart-benchmarks/share/minizinc/std/fzn_bin_packing_reif.mzn
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452 B
MiniZinc

predicate fzn_bin_packing_reif(int: c,
array[int] of var int: bin,
array[int] of int: w,
var bool: b) =
b <-> forall( assigned_bin in lb_array(bin)..ub_array(bin) ) (
c >= sum ( i in index_set(bin) ) (
w[i] * bool2int( bin[i] == assigned_bin )
)
);
%-----------------------------------------------------------------------------%