Developer Reference
Intel® oneAPI Math Kernel Library LAPACK Examples
ID
766877
Date
12/20/2021
Public
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Visible to Intel only — GUID: GUID-911C6E7E-8A3D-45D1-BD66-E541601A0462
?heevr function
Computes selected eigenvalues and, optionally, eigenvectors of a Hermitian matrix using the Relatively Robust Representations.
NOTE:
For a detailed description and reference information on this function, please visit:
?heevr function in Intel® oneAPI Math Kernel Library Developer Reference - C
?heevr function in Intel® oneAPI Math Kernel Library Developer Reference - Fortran
Fortran-77 Interface
Calling from Fortran:
call cheevr(jobz, range, uplo, n, a, lda, vl, vu, il, iu, abstol, m, w, z, ldz, isuppz, work, lwork, rwork, lrwork, iwork, liwork, info) call zheevr(jobz, range, uplo, n, a, lda, vl, vu, il, iu, abstol, m, w, z, ldz, isuppz, work, lwork, rwork, lrwork, iwork, liwork, info)
Calling from C:
cheevr(jobz, range, uplo, n, a, lda, vl, vu, il, iu, abstol, m, w, z, ldz, isuppz, work, lwork, rwork, lrwork, iwork, liwork, info); zheevr(jobz, range, uplo, n, a, lda, vl, vu, il, iu, abstol, m, w, z, ldz, isuppz, work, lwork, rwork, lrwork, iwork, liwork, info);
C Interface
lapack_int LAPACKE_cheevr(int matrix_layout, char jobz, char range, char uplo, lapack_int n, lapack_complex_float* a, lapack_int lda, float vl, float vu, lapack_int il, lapack_int iu, float abstol, lapack_int* m, float* w, lapack_complex_float* z, lapack_int ldz, lapack_int* isuppz); lapack_int LAPACKE_zheevr(int matrix_layout, char jobz, char range, char uplo, lapack_int n, lapack_complex_double* a, lapack_int lda, double vl, double vu, lapack_int il, lapack_int iu, double abstol, lapack_int* m, double* w, lapack_complex_double* z, lapack_int ldz, lapack_int* isuppz);
Parent topic: Symmetric Eigenproblems