Kruskal alg. (src/hugo/kruskal.h, src/test/kruskal_test.cc) is (almost) done.
- Some input adaptor is still missing.
- The class and function names should be revised.
- Docs still needs some improvement.
1 hier: hierarchygraph.h hierarchygraph_test.cc
2 g++ -Wall -W -I../.. -I../klao -I../../hugo hierarchygraph_test.cc -o test
4 edge: edgepathgraph_test.cc edgepathgraph.h
5 g++ -Wall -W -I../.. -I../klao -I../../hugo edgepathgraph_test.cc -o test