NAG Library Manual, Mark 28.7
Interfaces:  FL   CL   CPP   AD 

NAG CL Interface Introduction
Example description
nag_lapackeig_dsygvx (f08sbc) Example Program Results

Number of eigenvalues found =    2

 Eigenvalues
       -0.4548     0.1001

 Selected eigenvectors
            1          2
 1      1.0000     1.0000
 2      1.7303     0.0830
 3     -1.1354    -0.1129
 4     -2.0169    -1.0611