CGAL 4.7 - 2D Regularized Boolean Set-Operations: ArrDirectionalTraits::CompareEndpointsXy_2 Concept Reference

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CGAL 4.7 - 2D Regularized Boolean Set-Operations

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ArrDirectionalTraits::CompareEndpointsXy_2 Concept Reference
Concepts

## Definition

Refines:
  `AdaptableUnaryFunction`

Has Models:
  `ArrangementDirectionalXMonotoneTraits_2::Compare_endpoints_xy_2`

## Operations

A model of this concept must provide:
Comparison_result | operator() (ArrDirectionalTraits::X_monotone_curve_2 xc)
| accepts an input curve `xc` and compares its source and target points. More...

## Member Function Documentation

Comparison_result ArrDirectionalTraits::CompareEndpointsXy_2::operator() | ( | ArrDirectionalTraits::X_monotone_curve_2 | xc) |  |

accepts an input curve `xc` and compares its source and target points.

It returns `SMALLER` if the curve is directed from lexicographically left to right, and `LARGER` if it is directed from lexicographically right to left.