CGAL 5.2.2 - 2D and 3D Linear Geometry Kernel

Functions

template<typename Kernel >
Kernel::FT CGAL::area (const CGAL::Point_2< Kernel > &p, const CGAL::Point_2< Kernel > &q, const CGAL::Point_2< Kernel > &r)
 returns the signed area of the triangle defined by the points p, q and r.