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dekker.one
1predicate fzn_bin_packing_load_reif(array[int] of var int: load,
2 array[int] of var int: bin,
3 array[int] of int: w,
4 var bool: b) =
5 b <-> (
6 sum(load) = sum(w)
7 /\ forall( i in index_set(bin) ) (
8 min(index_set(load)) <= bin[i] /\ bin[i] <= max(index_set(load))
9 )
10 /\ forall( b in index_set(load) ) (
11 load[b] = sum ( i in index_set(bin) ) (
12 w[i] * bool2int( bin[i] = b )
13 )
14 ) );
15
16%-----------------------------------------------------------------------------%