Fri, 14 Aug 2015 15:30:52 +0900 Yuya Nishihara reachableroots: extend "revstates" to array of bit flags
Fri, 14 Aug 2015 15:23:42 +0900 Yuya Nishihara reachableroots: rename "seen" array to "revstates" for future extension
(0) -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 tip