double _scale);
template<typename _Tp, int chs> static void complementComplexOutput(Mat_<_Tp, chs>& dst, int len, int dft_dims);
template<typename dump> static void CopyColumn(const uchar* _src, size_t src_step, uchar* _dst, size_t dst_step, int len, size_t elem_size);
template<typename dump> static void CopyFrom2Columns(const uchar* _src, size_t src_step, uchar* _dst0, uchar* _dst1, int len, size_t elem_size);
template<typename dump> static void CopyTo2Columns(const uchar* _src0, const uchar* _src1, uchar* _dst, size_t dst_step, int len, size_t elem_size);
template<typename dump> static void ExpandCCS(uchar* _ptr, int n, int elem_size);
static unsigned
