Example 2 (from Program LA_HPEV_EXAMPLE)

The results below are computed with $\epsilon = 1.19209 \times 10^{-7}$.

$$A = \left( \begin{array}{ccccc} -1 & 4+i & 2-2i & 2 & -4+i... ...2 & -4 \\ -4-i & 4-2i & 3+2i & -4 & -1 \end{array} \right),$$

Array ${\bf AP}$ on entry (${\bf UPLO} =$ 'U' by default):

$$\begin{array}{cc} {\bf AP} \\ \begin{array}{\vert ccccccc... ..., 3) & (2 , 0) & (1, -2) \\ \hline \end{array} \end{array}$$

$$\begin{array}{cc} { \bf AP} \ (continued) \\ \begin{array}{... ... -2) & (-4 , 0) & (-1 , 0) \\ \hline \end{array} \end{array}$$

The call:
CALL LA_HPEV( AP, W )

$$\begin{array}{c} \mbox{Array {\bf W} on exit:} \\ \begin{... ...4.40089 \\ \;\;\; 10.3534 \\ \end{array} \right). \end{array}$$