zgbequ example program

This example equilibrates the complex band matrix

A

given by

A = (\begin{array}{l} - 1.65 + 2.26 i & (- 2.05 - 0.85 i) \times 10^{- 10} & 0.97 - 2.84 i & 0 \\ 0.00 + 6.30 i & (- 1.48 - 1.75 i) \times 10^{- 10} & - 3.99 + 4.01 i & 0.59 - 0.48 i \\ 0 & - 0.77 + 2.83 i & (- 1.06 + 1.94 i) \times 10^{10} & (3.33 - 1.04 i) \times 10^{10} \\ 0 & 0 & 0.48 - 1.09 i & - 0.46 - 1.72 i \end{array}) .

Example program for zgbequ