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Action:
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Sets the weight for an edge of a graph.
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Filename:
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kern/kern_scm/graph_scm.cxx
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Syntax:
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(graph:edge-weight in-graph {edge-name weight} |
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{vertex-name1 vertex-name2 weight})
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Arg Types:
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in-graph
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graph
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edge-name
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string
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weight
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real
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vertex-name1
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string
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vertex-name2
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string
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Returns:
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graph
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in-graph specifies a graph.
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edge-name specifies the edge by name.
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weight specifies the value to be assigned.
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vertex-name1 and
vertex-name2 specifies the edge by naming the two bounding vertices.
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Example:
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; graph:edge-weight
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; Create a simple graph.
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(define g1 (graph "a-b b-c c-e c-d c-f f-g f-h"))
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;; g1
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(graph:edge-weight g1 "a" "b" 3)
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;; #[graph "a-b b-c c-d c-e c-f f-g f-h"]
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(graph:edge-weight g1 "c-e" 5)
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;; #[graph "a-b b-c c-d c-e c-f f-g f-h"]
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(graph:total-weight g1)
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;; 8
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