Balazs Dezso <deba@inf.elte.hu> [Sun, 21 Dec 2008 00:16:46 +0100] rev 437
Merge bugfix #197
Balazs Dezso <deba@inf.elte.hu> [Sun, 21 Dec 2008 00:13:02 +0100] rev 436
Bug fix in heap unionfind (ticket #197)
The minimum item in the unionfind tree might become inconsistent when
the split operation merges two subtrees which have equal keys. The
current changeset fix the problem. It also fix a wrong index.