/*!
\example Frechet_distance/Frechet_distance_2.cpp
\example Frechet_distance/Frechet_distance_3.cpp
\example Frechet_distance/Frechet_distance_d.cpp
\example Frechet_distance/Frechet_distance_d_2.cpp
\example Frechet_distance/Frechet_DS_2.cpp
\example Frechet_distance/parallel_Frechet_DS_2.cpp
\example Frechet_distance/Frechet_DS_3.cpp
\example Frechet_distance/Frechet_DS_d.cpp
*/