nag_dspevd (f08gcc) Example Program Results

Eigenvalues 
  -2.0531  -0.5146  -0.2943  12.8621
 Eigenvectors
            1          2          3          4
 1      1.0000     1.0000     1.0000     1.0000
 2      0.5129    -0.9431    -2.3976     1.0777
 3     -0.2240    -1.0537     2.3508     1.2393
 4     -0.8518     0.8831    -0.8879     1.4972