CGAL 4.7 - 2D Circular Geometry Kernel: AlgebraicKernelForCircles::CompareX 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 - 2D Circular Geometry Kernel

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AlgebraicKernelForCircles::CompareX Concept Reference
Algebraic Concepts

## Definition

See Also
  `AlgebraicKernelForCircles::CompareY`
  `AlgebraicKernelForCircles::CompareXY`
  `CircularKernel::CompareX_2`

## Operations

A model of this concept must provide:
template<class OutputIterator >
CGAL::Comparison_result | operator() (const AlgebraicKernelForCircles::Root_for_circles_2_2 &r1, const AlgebraicKernelForCircles::Root_for_circles_2_2 &r2)
| Compares the `x` (first) variables of two `Root_for_circles_2_2`.