Concept

AlgebraicKernelForSpheres::CompareX

A model fo of this concept must provide:

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

See Also

AlgebraicKernelForSpheres::CompareY
AlgebraicKernelForSpheres::CompareZ
AlgebraicKernelForSpheres::CompareXY
AlgebraicKernelForSpheres::CompareXYZ