package ocamlgraph

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package ocamlgraph
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Weighted graphs without negative-cycles.

This graph maintains the invariant that it is free of such cycles that the total length of edges involving is negative. With introduction of those negative-cycles causes an inability to compute the shortest paths from arbitrary vertex. By using the graph modules defined here, introduction of such a cycle is automatically prevented.

module Imperative (G : Sig.IM) (W : Sig.WEIGHT with type edge = G.E.t) : sig ... end
module Persistent (G : Sig.P) (W : Sig.WEIGHT with type edge = G.E.t) : sig ... end

Persistent graphs with negative-cycle prevention