NAG CPP Interface
lapackeig (F08)
Least Squares and Eigenvalue Problems (LAPACK)

F08 (Lapackeig) Chapter Introduction (FL Interface) – A description of the Chapter and an overview of the algorithms available.

Function

Purpose
f08fcf dsyevd
Computes all eigenvalues and, optionally, all eigenvectors of real symmetric matrix (divide-and-conquer)