C++ impelentation of polygon matching using Turning Functions

based on: Arkin E.M., Chew L.P., Huttenlocher D.P., Kedem K., Mitchell J.S.B. (1991), "An Efficiently Computable Metric for Comparing Polygonal Shapes"

for more information about the algorithm, please visit: https://sites.google.com/site/turningfunctions/