NAG Library Manual, Mark 30.2
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NAG CL Interface Introduction
Example description

nag_lapackeig_dstev (f08jac) Example Program Results

Eigenvalues
  0.6476   3.5470   8.6578  17.1477 
 Eigenvectors
            1          2          3          4
 1      1.0000     1.0000     1.0000     1.0000
 2     -0.3524     2.5470     7.6578    16.1477
 3      0.0908    -1.0769    17.3340   105.6521
 4     -0.0177     0.2594    -7.0826   276.1742

Error estimate for the eigenvalues
    1.9e-15

Error estimates for the eigenvectors
    6.6e-16     6.6e-16     3.7e-16     2.2e-16