CGAL 6.0.2 - 2D Arrangements

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ArrTraits::CompareXy_2 Concept Reference
2D Arrangement Reference » Concepts » Function Object Concepts

## Definition

Refines
  `AdaptableBinaryFunction`

Has models
  `ArrangementBasicTraits_2::Compare_xy_2`

## Operations
A model of this concept must provide:
Comparison_result | operator() (ArrTraits::Point_2 p1, ArrTraits::Point_2 p2)
| returns `CGAL::SMALLER`, `CGAL::EQUAL`, or `CGAL::LARGER` according to the lexicographic \(xy\)-order of the points `p1` and `p2`.