CGAL 5.4 - 2D and 3D Linear Geometry Kernel
Kernel::ConstructPerpendicularLine_2 Concept Reference

## Definition

Refines:
AdaptableFunctor (with two arguments)
CGAL::Line_2<Kernel>
returns the line perpendicular to l and passing through p, where the direction is the direction of l rotated counterclockwise by 90 degrees.