CGAL 5.6.3 - 2D Arrangements

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ArrTraits::Approximate_2 Concept Reference
2D Arrangement Reference » Concepts » Function Object Concepts

## Definition

Refines
  `Functor`

Has Models:
  ArrangementApproximateTraits_2::Approximate_2

## Operations
A model of this concept must provide:
CGAL::Approximate_number_type | operator() (ArrTraits::Point_2 p, int i)
| obtains an approximation of `p`'s \(x\)-coordinate (if `i == 0`), or of `p`'s \(y\)-coordinate (if `i == 1`).