nag_sparseig_feast_real_symm_solve (f12jjc) Example Program Results

 Eigenvalues
 -2.0000   2.0000 

 Eigenvectors
         1       2
 1   0.5000  0.5000
 2   0.5000 -0.5000
 3   0.5000  0.5000
 4   0.5000 -0.5000