CM.make "../cm/Graphs.cm";
structure TestMinCut =
struct
val G as Graph.GRAPH g = DirectedGraph.graph("foo",(),10) :
(string,int,unit) Graph.graph
val _ = app (#add_node g)
[(0,"s"),
(1,"v1"),
(2,"v2"),
(3,"v3"),
(4,"v4"),
(5,"t")
]
val E = [(0,1,16),
(0,2,13),
(1,2,10),
(2,1,4),
(1,3,12),
(2,4,14),
(*(3,2,9),*)
(4,3,7),
(3,5,20),
(4,5,4)
]
val _ = app (#add_edge g) E
(* val _ = app (fn (i,j,w) => #add_edge g (j,i,w)) E *)
structure MinCut = MinCut(struct type elem = int
open Int
val zero = 0
val == : int * int -> bool = op =
end)
fun test() =
let fun weight(_,_,w) = w
val (cut,w) = MinCut.min_cut {graph=G,weight=weight}
in if w <> 23 then raise Match else ();
(cut,w)
end
end