NAG Library Manual, Mark 30.2
Interfaces:  FL   CL   CPP   AD 

NAG CL Interface Introduction
Example description

nag_lapackeig_dspev (f08gac) Example Program Results

Eigenvalues
 -2.0531  -0.5146  -0.2943  12.8621 

Error estimate for the eigenvalues
    1.4e-15