CGAL 6.1 - 2D and 3D Linear Geometry Kernel

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Kernel::CompareSlope_3 Concept Reference
Reference Manual » Concepts » Kernel Function Object Concepts

## Definition

Refines
  `AdaptableBinaryFunction`

See also
  `CGAL::compare_slope()`

## Operations
A model of this concept must provide:
Comparison_result | operator() (const Kernel::Point_3 &p, const Kernel::Point_3 &q, const Kernel::Point_3 &r, const Kernel::Point_3 &s)
| compares the slopes of the segments `(p,q)` and `(r,s)`, where the slope is the variation of the `z`-coordinate from the first to the second point of the segment divided by the length of the segment.