CGAL 6.1.1 - 3D Spherical Geometry Kernel

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SphericalKernel::CompareXY_3 Concept Reference
Reference Manual » Geometric Concepts

## Definition

Refines
  `Kernel::CompareXY_3`

See also
  `SphericalKernel::CompareX_3`
  `SphericalKernel::CompareY_3`
  `SphericalKernel::CompareZ_3`
  `SphericalKernel::CompareXYZ_3`
  `SphericalKernel::CompareTheta_3`
  `SphericalKernel::CompareThetaZ_3`
  `SphericalKernel::Equal_3`

## Operations
An object of this type must provide in addition:
Comparison_result | operator() (const SphericalKernel::Circular_arc_point_3 &p, const SphericalKernel::Circular_arc_point_3 &q)
| Compares `p` and `q` according to the lexicographic ordering on \( x\)- and \( y\)-coordinates.