transform_       1472 modules/core/src/matmul.cpp transform_( const T* src, T* dst, const WT* m, int len, int scn, int dcn )
transform_       2273 modules/ts/src/ts_func.cpp transform_(const _Tp* sptr, _Tp* dptr, size_t total, int scn, int dcn, const double* mat)