Comments (1)
The implementation of boruvkas algorithm should be able to handle forests by design. Here is a quick test:
Example graph (maze.csv
):
6 5
0 3 1
1 2 2
1 4 5
2 5 4
4 5 3
Looks like this:
+ +-+
| | |
+ +-+
Run it with this graph (mpirun -np 2 ./mst -c 3 -r 2 -a 3 -f mazeGraph.csv -m -v
):
Starting
Graph:
0 3 1
1 2 2
1 4 5
2 5 4
4 5 3
Time elapsed: 0.000794 s
MST:
0 3 1
1 2 2
4 5 3
2 5 4
0 0 0
MST weight: 10
Maze:
+ +-+
| |
+ +-+
Finished
Allthouh the MST weight given is the sum over the forest and the last edge in the output of the MST (0 0 0
) doesn't belong to it. This is because the MST graph struct is created at the begining and there I assume that the MST will have as many edges as there are vertices - 1 (see https://github.com/SethosII/minimum-spanning-tree/blob/master/src/main.c#L207).
Does this answer your question?
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