The driver routines for the symmetric eigenvalue problem are

**xSTEV**- eigenvalue/eigenvector driver for symmetric tridiagonal matrix,
**xSTEVD**- divide and conquer driver for symmetric tridiagonal matrix,
**xSTEVX**- selected eigenvalue/eigenvectors for symmetric tridiagonal matrix,
**xSTEVR**- selected eigenvalue/eigenvectors for symmetric tridiagonal matrix using Relatively Robust Representations,
**xSYEV**- eigenvalue/eigenvector driver for symmetrix matrix,
**xSYEVD**- divide and conquer driver for symmetric matrix,
**xSYEVX**- selected eigenvalue/eigenvectors for symmetric matrix,
**xSYEVR**- selected eigenvalue/eigenvectors for symmetric matrix using Relatively Robust Representations,
**xSPEV**- eigenvalue/eigenvector driver for symmetric matrix in packed storage,
**xSPEVD**- divide and conquer driver for symmetric matrix in packed storage,
**xSPEVX**- selected eigenvalue/eigenvectors for symmetric matrix in packed storage,
**xSBEV**- eigenvalue/eigenvector driver for symmetric band matrix,
**xSBEVD**- divide and conquer driver for symmetric band matrix,
**xSBEVX**- selected eigenvalue/eigenvectors for symmetric band matrix.

Susan Blackford 2001-08-13