Example description

 C02AMF Example Program Results

  Roots of cubic equation             Error estimates
                                    (machine-dependent)

  z =  -2.0000E+00 +3.0000E+00*i          1.3E-15
  z =   1.0000E+00 -2.0000E+00*i          2.2E-15
  z =   3.0000E+00 -4.0000E+00*i          2.1E-15