[Biopython-dev] [Bug 2268] Cluster unit test suite runs indefinitely

[bugzilla-daemon at portal.open-bio.org]

http://bugzilla.open-bio.org/show_bug.cgi?id=2268





------- Comment #16 from mdehoon at ims.u-tokyo.ac.jp  2007-05-07 19:06 EST -------
Thanks, Chris!

Actually, this looks OK.
The kcluster routine runs the k-means algorithm 100 times starting from random
initial clusterings. On each run, total is initialized to DBL_MAX (the largest
number representable as a double). This is the huge number that is printed
(printf usually has problems to print DBL_MAX nicely, so it may appear weird in
the output).

The same floating-point comparison that causes kcluster to hang also appears in
kmedoids, so it's no surprise that the code hangs there too.

I'll write a patch that avoids this floating-point comparison and post it here.


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