This document describes the implementation in ITK of the "point in circle" geometrical predicate.
Based on Jonathan Shewchuk's work which implements an exact version of the predicate using standard
floating point types and arithmetic, the implementation consist of an ITK wrapper around the
public domain C routines made available by the author of the precedent paper.
Wrapper using itk::PointSet, itk:CellInterface and itk:Mesh / itk:QuadEdgeMesh APIs are provided
along with corresponding examples which should provide enough details for users to directly
copy paste code in their application.

The application in mind for us is an exact and robust implementation of a delaunay triangulation /
voronoi tesselation in ITK, and will be presented in a separate paper.