26 template<
typename T>
inline static void direct_cov(
Mat< std::complex<T> >& out,
const Mat< std::complex<T> >& A,
const Mat< std::complex<T> >& B,
const uword norm_type);
static void apply(Mat< typename T1::elem_type > &out, const Glue< T1, T2, glue_cov > &X)
static void direct_cov(Mat< eT > &out, const Mat< eT > &A, const Mat< eT > &B, const uword norm_type)