id summary reporter owner description type status milestone component version severity resolution keywords cc 12347 linestring and polygon intersection wrong answer Anton Kovalev Barend Gehrels "LINESTRING(1 -1, 1 0, 1 1) and POLYGON((0 0, 0 2, 2 2, 2 0, 1 0, 0 0)) intersection is LINESTRING(1 -1, 1 0, 1 1) for integer coordinate type. Test code is attached. I beleive that's because of middle point of ((1 -1), (1, 0)) segment is (1, 0) :(" Bugs new To Be Determined geometry Boost 1.60.0 Problem linestring, polygon, intersection