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* fix loop conditionStefan Bühler2017-10-07
| | | | | | | | prev[sink] == 0 means there was a path found with the last step being a forward edge to the sink, and the edge being at index 0 in the array. This is a valid path (the same as any other path indicated by prev[sink] > 0).
* New puzzle: `Tents'. Requires a potentially shared algorithms moduleSimon Tatham2005-10-13
maxflow.c. Also in this checkin, fixes to the OS X and GTK back ends to get ALIGN_VNORMAL right. This is the first time I've used it! :-) [originally from svn r6390]