CGAL 6.1 - 2D and 3D Linear Geometry Kernel

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Kernel::ConstructOppositeTriangle_2 Concept Reference
Reference Manual » Concepts » Kernel Function Object Concepts

## Definition

Refines
  `AdaptableUnaryFunction`

See also
  `CGAL::Triangle_2<Kernel>`

## Operations
A model of this concept must provide:
Kernel::Triangle_2 | operator() (const Kernel::Triangle_2 &t)
| returns the triangle with opposite orientation to `t` (this flips the positive and the negative side, but not bounded and unbounded side).