ref              1804 modules/core/include/opencv2/core/mat.inl.hpp _Tp& SparseMat::ref(int i0, size_t* hashval)
ref              1810 modules/core/include/opencv2/core/mat.inl.hpp _Tp& SparseMat::ref(int i0, int i1, size_t* hashval)
ref              1816 modules/core/include/opencv2/core/mat.inl.hpp _Tp& SparseMat::ref(int i0, int i1, int i2, size_t* hashval)
ref              1822 modules/core/include/opencv2/core/mat.inl.hpp _Tp& SparseMat::ref(const int* idx, size_t* hashval)
ref              2060 modules/core/include/opencv2/core/mat.inl.hpp _Tp& SparseMat_<_Tp>::ref(int i0, size_t* hashval)
ref              2072 modules/core/include/opencv2/core/mat.inl.hpp _Tp& SparseMat_<_Tp>::ref(int i0, int i1, size_t* hashval)
ref              2084 modules/core/include/opencv2/core/mat.inl.hpp _Tp& SparseMat_<_Tp>::ref(int i0, int i1, int i2, size_t* hashval)
ref              2096 modules/core/include/opencv2/core/mat.inl.hpp _Tp& SparseMat_<_Tp>::ref(const int* idx, size_t* hashval)