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{he,sy}evr: eig, MRRR
LAPACK » Hermitian/symmetric eigenvalues » Standard eig driver, AV = VΛ
Collaboration diagram for {he,sy}evr: eig, MRRR:

## Functions

subroutine | cheevr (jobz, range, uplo, n, a, lda, vl, vu, il, iu, abstol, m, w, z, ldz, isuppz, work, lwork, rwork, lrwork, iwork, liwork, info)
| CHEEVR computes the eigenvalues and, optionally, the left and/or right eigenvectors for HE matrices
subroutine | dsyevr (jobz, range, uplo, n, a, lda, vl, vu, il, iu, abstol, m, w, z, ldz, isuppz, work, lwork, iwork, liwork, info)
| DSYEVR computes the eigenvalues and, optionally, the left and/or right eigenvectors for SY matrices
subroutine | ssyevr (jobz, range, uplo, n, a, lda, vl, vu, il, iu, abstol, m, w, z, ldz, isuppz, work, lwork, iwork, liwork, info)
| SSYEVR computes the eigenvalues and, optionally, the left and/or right eigenvectors for SY matrices
subroutine | zheevr (jobz, range, uplo, n, a, lda, vl, vu, il, iu, abstol, m, w, z, ldz, isuppz, work, lwork, rwork, lrwork, iwork, liwork, info)
| ZHEEVR computes the eigenvalues and, optionally, the left and/or right eigenvectors for HE matrices

## Detailed Description