//BBTK_USER_BLACK_BOX_IMPLEMENTATION(ContourToControlPoints,bbtk::AtomicBlackBox);
BBTK_BLACK_BOX_IMPLEMENTATION(ContourToControlPoints,bbtk::AtomicBlackBox);
//BBTK_USER_BLACK_BOX_IMPLEMENTATION(ContourToControlPoints,bbtk::AtomicBlackBox);
BBTK_BLACK_BOX_IMPLEMENTATION(ContourToControlPoints,bbtk::AtomicBlackBox);