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76 lines
1.1 KiB
Go
76 lines
1.1 KiB
Go
package main
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import (
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"fmt"
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"gonum.org/v1/gonum/graph"
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"gonum.org/v1/gonum/graph/topo"
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)
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func main() {
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// graph G {
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G := NewGraphNode(0)
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// e
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e := NewGraphNode(1)
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// subgraph clusterA {
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clusterA := NewGraphNode(2)
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// a -- b
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a := NewGraphNode(3)
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b := NewGraphNode(4)
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a.AddNeighbor(b)
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b.AddNeighbor(a)
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clusterA.AddRoot(a)
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clusterA.AddRoot(b)
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// subgraph clusterC {
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clusterC := NewGraphNode(5)
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// C -- D
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C := NewGraphNode(6)
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D := NewGraphNode(7)
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C.AddNeighbor(D)
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D.AddNeighbor(C)
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clusterC.AddRoot(C)
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clusterC.AddRoot(D)
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// }
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clusterA.AddRoot(clusterC)
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// }
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// subgraph clusterB {
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clusterB := NewGraphNode(8)
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// d -- f
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d := NewGraphNode(9)
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f := NewGraphNode(10)
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d.AddNeighbor(f)
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f.AddNeighbor(d)
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clusterB.AddRoot(d)
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clusterB.AddRoot(f)
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// }
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// d -- D
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d.AddNeighbor(D)
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D.AddNeighbor(d)
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// e -- clusterB
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e.AddNeighbor(clusterB)
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clusterB.AddNeighbor(e)
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// clusterC -- clusterB
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clusterC.AddNeighbor(clusterB)
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clusterB.AddNeighbor(clusterC)
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G.AddRoot(e)
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G.AddRoot(clusterA)
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G.AddRoot(clusterB)
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// }
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if !topo.IsPathIn(G, []graph.Node{C, D, d, f}) {
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fmt.Println("Not working!")
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} else {
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fmt.Println("Working!")
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}
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}
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