ddot              637 modules/core/include/opencv2/core/matx.hpp double Matx<_Tp, m, n>::ddot(const Matx<_Tp, m, n>& M) const
ddot             1107 modules/core/include/opencv2/core/types.hpp double Point_<_Tp>::ddot(const Point_& pt) const
ddot             1349 modules/core/include/opencv2/core/types.hpp double Point3_<_Tp>::ddot(const Point3_& pt) const