ptr2d → util 关系

文件位于 opencv2/cudev/ptr2d	包含 opencv2/cudev/util 中的文件
extrapolation.hpp	vec_traits.hpp
gpumat.hpp	vec_traits.hpp
interpolation.hpp	limits.hpp
interpolation.hpp	saturate_cast.hpp
interpolation.hpp	type_traits.hpp
interpolation.hpp	vec_traits.hpp
lut.hpp	vec_traits.hpp
zip.hpp	tuple.hpp