Update Polygon.cc::WindingNumber now respects within-EPS comparison
Add double-comparison functionality
added test cases for plane geometry
Merge /u/h/o/hongkai/public/ICPC2014
Update floating-point comparisons
update todo list
Shrink ConvexHull redundancy management
Add LCPs to suffix array lib
*check*
Minimum cost maximum flow, attempt 1 (no guarantee of compile or correctness)