ratanki

In `kmSegment2WithSegmentIntersection` in ray2.c: ``` if( kmLine2WithLineIntersection( &(segmentA->start), &(segmentA->dir), &(segmentB->start), &(segmentB->start), &ua, &ub, &pt ) && (0.0 dir), &(segmentB->start), &(segmentB->dir), &ua, &ub, &pt ) && (0.0 dir` Not sure this...