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CGAL 4.6.1 - 2D and 3D Linear Geometry Kernel
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Kernel::CounterclockwiseInBetween_2 Concept Reference
Kernel Function Object Concepts

Definition

Refines:
AdaptableFunctor (with three arguments)
See Also
CGAL::Direction_2<Kernel>

Operations

A model of this concept must provide:

bool operator() (const Kernel::Direction_2 &d, const Kernel::Direction_2 &d1, const Kernel::Direction_2 &d2)
 returns true iff d is not equal to d1, and while rotating counterclockwise starting at d1, d is reached strictly before d2 is reached. More...
 

Member Function Documentation

bool Kernel::CounterclockwiseInBetween_2::operator() ( const Kernel::Direction_2 &  d,
const Kernel::Direction_2 &  d1,
const Kernel::Direction_2 &  d2 
)

returns true iff d is not equal to d1, and while rotating counterclockwise starting at d1, d is reached strictly before d2 is reached.

Note that true is returned if d1 == d2, unless also d == d1.