nag_dspevd (f08gcc) Example Program Data
  4                         :Value of n
  Nag_Lower                 :Value of uplo
  1.0
  2.0   2.0
  3.0   3.0   3.0
  4.0   4.0   4.0   4.0     :End of matrix A
  Nag_EigVecs               :Value of job