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

NAG CL Interface Introduction
Example description

nag_lapackeig_dhseqr (f08pec) Example Program Results

 Matrix A
         1       2       3       4
 1   0.3500 -0.1160 -0.3886 -0.2942
 2  -0.5140  0.1225  0.1004  0.1126
 3   0.0000  0.6443 -0.1357 -0.0977
 4   0.0000  0.0000  0.4262  0.1632

 Eigenvalues
 (  0.7995,  0.0000) ( -0.0994,  0.4008) ( -0.0994, -0.4008) ( -0.1007,  0.0000)