CGAL 5.4.4  2D Snap Rounding

Public Member Functions  
Segment_2  operator() (Point_2 p, Point_2 q) 
introduces a segment with source p and target q . More...  
Segment_2 SRTraits_2::ConstructSegment_2::operator()  (  Point_2  p, 
Point_2  q  
) 
introduces a segment with source p
and target q
.
The segment is directed from the source towards the target.