CGAL 4.7 - 3D Spherical Geometry Kernel: AlgebraicKernelForSpheres::CompareZ Concept Reference

\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)

CGAL 4.7 - 3D Spherical Geometry Kernel

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AlgebraicKernelForSpheres::CompareZ Concept Reference
Algebraic Concepts

## 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`.