nsion (LDDV, NB)
            On exit this n-by-nb array contains the Householder vectors of the transformation.

    @param[in]
    lddv    INTEGER
            The leading dimension of the array dV.  LDDV >= max(1,N).

    @param[in,out]
    A       COMPLEX_16 array, dimension (LDA,N-K+1)
            On entry, the n-by-(n-k+1) general matrix A.
            On exit, the elements on and above the k-th subdiagonal in
            the first NB columns are overwritten with the corresponding
            elements o