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Chapter 6
Bugs and known features
Probably apptopinv contains some bugs, so if you meet problems using this
program, please report them to Timo Poranen by email ([email protected]). Also all
kinds of comments are warmly welcome!
Next we give a list of known features of apptopinv:
• It takes much longer time to read a graph in gml format than in edge-list
format (the size of the gml file is usually much bigger).
• All data that is written to results files is now appended in the end of the
file. In the earlier versions old result file was overwritten.
• If a random graph is saved, then the old file is overwritten (if it exists).
• The annealing parameters are read every time when the SA is applied. Do
not modify sa parameters.txt -file between repeats.
• The maximum number of (outer)planar subsets for the thickness and outerthickness is limited to 1000 (if needed, change the statement
“MAX PARTITIONS=1000” in file sa alg.cpp).
• It is not any more possible to save traces about the runs as in the earlier
version (see for example [32]). In file sa alg.cpp the source codes for saving
traces are left, so you if you need them, you have to modify a little a bit
the main file (apptopinv.cpp) and the algorithm files.
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