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on-restart-benchmarks/share/minizinc/std/bin_packing_load_fn.mzn
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MiniZinc

include "bin_packing_load.mzn";
/** @group globals.packing
Returns the load of each bin resulting from packing each item \p i with
weight \a w[\p i] into \a bin[\p i], where the load is defined as
the sum of the weights of the items in each bin.
Assumptions:
- forall \p i, \a w[\p i] >=0
*/
function array[int] of var int: bin_packing_load(array[int] of var int: bin,
array[int] of int: w) :: promise_total =
let { array[dom_bounds_array(bin)] of var 0..sum(w): load;
constraint bin_packing_load(load,bin,w); }
in load;