AlgebraicKernelForSpheres::CompareXY

Definition

A model fo of this type must provide:

CGAL::Comparison_result
fo ( AlgebraicKernelForSpheres::Root_for_spheres_2_3 r1 ,
AlgebraicKernelForSpheres::Root_for_spheres_2_3 r2 )
Compares the x and y (the two first) variables of two Root_for_spheres_2_3 lexicographically.

See Also

AlgebraicKernelForSpheres::CompareX
AlgebraicKernelForSpheres::CompareY
AlgebraicKernelForSpheres::CompareZ
AlgebraicKernelForSpheres::CompareXYZ