CGAL::volume

Kernel::FT
volume ( Point_3<Kernel> p0,
Point_3<Kernel> p1,
Point_3<Kernel> p2,
Point_3<Kernel> p3)
Computes the signed volume of the tetrahedron defined by the four points p0, p1, p2 and p3.

See Also

CGAL::Tetrahedron_3<Kernel>