Definition

See also: AlgebraicKernelForSpheres::CompareX; AlgebraicKernelForSpheres::CompareY; AlgebraicKernelForSpheres::CompareXY; AlgebraicKernelForSpheres::CompareXYZ

Operations
A model of this concept must provide:
CGAL::Comparison_result	operator() (const AlgebraicKernelForSpheres::Root_for_spheres_2_3 &r1, const AlgebraicKernelForSpheres::Root_for_spheres_2_3 &r2)
	Compares the $z$ -coordinates of two `Root_for_spheres_2_3`.

Operations