CGAL 4.7 - 2D and 3D Linear Geometry Kernel
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Kernel::ConstructOppositeDirection_3 Concept Reference

Definition

Refines:
AdaptableFunctor (with one argument)
See Also
CGAL::Direction_3<Kernel>

Operations

A model of this concept must provide:

Kernel::Direction_3 operator() (const Kernel::Direction_3 &d)
 returns the direction opposite to d.