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laed0: D&C step: top level solver
LAPACK » Hermitian/symmetric eigenvalues » tridiag divide and conquer (D&C) routines
Collaboration diagram for laed0: D&C step: top level solver:

## Functions

subroutine | claed0 (qsiz, n, d, e, q, ldq, qstore, ldqs, rwork, iwork, info)
| CLAED0 used by CSTEDC. Computes all eigenvalues and corresponding eigenvectors of an unreduced symmetric tridiagonal matrix using the divide and conquer method.
subroutine | dlaed0 (icompq, qsiz, n, d, e, q, ldq, qstore, ldqs, work, iwork, info)
| DLAED0 used by DSTEDC. Computes all eigenvalues and corresponding eigenvectors of an unreduced symmetric tridiagonal matrix using the divide and conquer method.
subroutine | slaed0 (icompq, qsiz, n, d, e, q, ldq, qstore, ldqs, work, iwork, info)
| SLAED0 used by SSTEDC. Computes all eigenvalues and corresponding eigenvectors of an unreduced symmetric tridiagonal matrix using the divide and conquer method.
subroutine | zlaed0 (qsiz, n, d, e, q, ldq, qstore, ldqs, rwork, iwork, info)
| ZLAED0 used by ZSTEDC. Computes all eigenvalues and corresponding eigenvectors of an unreduced symmetric tridiagonal matrix using the divide and conquer method.

## Detailed Description