/**
* Returns true iff the line segments overlap; weaker than <code>theSame</code>.
*
* @param other
* @return true iff this and other overlap
*/
public boolean isOverlapping(LineSegment other) {
if (!VectorUtils.areEqual(m, other.m) && !VectorUtils.areEqual(b, other.b)) return false;
// same line, now check for overlap---
// the start point of one should be inside the other
return containsPoint(other.start) || other.containsPoint(start);
}
