NAG Library Manual, Mark 28.4
Interfaces:  FL   CL   CPP   AD 

NAG CL Interface Introduction
Example description

nag_lapackeig_zpteqr (f08juc) Example Program Results

 Eigenvalues
 7.9995             5.9976             2.0003             0.4026

 Eigenvectors
                    1                  2                  3                  4
 1  ( 1.0000, 0.0000)  ( 1.0000, 0.0000)  ( 1.0000,-0.0000)  ( 1.0000,-0.0000)
 2  (-0.2266,-0.2836)  ( 0.4845, 0.7262)  (-2.2948,-1.6115)  ( 1.0810, 0.5013)
 3  (-0.5720,-0.1938)  ( 0.6015,-0.6927)  ( 1.1345, 0.5760)  ( 0.4983, 1.7895)
 4  ( 0.2398, 0.5728)  ( 0.4264,-1.0069)  (-1.3433,-1.5609)  (-1.0786, 0.4847)