Function GetLength

source/external/tinyobj/tiny_obj_loader.h:1478–1480

}

inline real_t GetLength(TinyObjPoint &e) {
  return std::sqrt(e.x * e.x + e.y * e.y + e.z * e.z);
}

inline TinyObjPoint Normalize(TinyObjPoint e) {
  real_t inv_length = real_t(1) / GetLength(e);