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**412**- (**download**) (**annotate**)*Fri Sep 3 00:25:03 1999 UTC*(19 years, 10 months ago) by*monnier*File size: 2509 byte(s)

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(* * This view adds some number k to all node ids of the graph, * i.e. rename all node ids. * * -- Allen *) signature RENAMED_GRAPH_VIEW = sig val rename_view : int -> ('n,'e,'g) Graph.graph -> ('n,'e,'g) Graph.graph end structure RenamedGraphView : RENAMED_GRAPH_VIEW = struct structure G = Graph fun rename_view k (G.GRAPH G) = let fun rename_nodes ns = map (fn (i,n) => (i+k,n)) ns fun rename_edges es = map (fn (i,j,e) => (i+k,j+k,e)) es fun rename_node_ids ns = map (fn i => i+k) ns fun rename_node_ids' ns = (map (fn i => i-k) ns) in G.GRAPH { name = #name G, graph_info = #graph_info G, new_id = fn n => #new_id G () + k, add_node = fn (i,n) => #add_node G (i-k,n), add_edge = fn (i,j,e) => #add_edge G (i-k,j-k,e), remove_node = fn i => #remove_node G (i-k), set_out_edges = fn (i,es) => #set_out_edges G (i-k, map (fn (i,j,e) => (i-k,j-k,e)) es), set_in_edges = fn (i,es) => #set_in_edges G (i-k, map (fn (i,j,e) => (i-k,j-k,e)) es), set_entries = fn ns => #set_exits G (rename_node_ids ns), set_exits = fn ns => #set_entries G (rename_node_ids ns), garbage_collect = #garbage_collect G, nodes = fn () => rename_nodes (#nodes G ()), edges = fn () => rename_edges (#edges G ()), order = #order G, size = #size G, capacity = #capacity G, out_edges = fn i => rename_edges (#out_edges G (i-k)), in_edges = fn i => rename_edges (#in_edges G (i-k)), succ = fn i => rename_node_ids (#succ G (i-k)), pred = fn i => rename_node_ids (#pred G (i-k)), has_edge = fn (i,j) => #has_edge G (i-k,j-k), has_node = fn i => #has_node G (i-k), node_info = fn i => #node_info G (i-k), entries = fn () => rename_node_ids (#entries G ()), exits = fn () => rename_node_ids (#exits G ()), entry_edges = fn i => rename_edges (#entry_edges G (i-k)), exit_edges = fn i => rename_edges (#exit_edges G (i-k)), forall_nodes = fn f => #forall_nodes G (fn (i,n) => f(i+k,n)), forall_edges = fn f => #forall_edges G (fn (i,j,e)=> f(i+k,j+k,e)) } end end

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