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fortran-lapack
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la_lapack::sbgv Interface Reference

SBGV: computes all the eigenvalues, and optionally, the eigenvectors of a real generalized symmetric-definite banded eigenproblem, of the form A*x=(lambda)*B*x. Here A and B are assumed to be symmetric and banded, and B is also positive definite. More...

Public Member Functions

pure subroutine dsbgv (jobz, uplo, n, ka, kb, ab, ldab, bb, ldbb, w, z, ldz, work, info)
 
 la_dsbgv
 
 la_qsbgv
 
pure subroutine ssbgv (jobz, uplo, n, ka, kb, ab, ldab, bb, ldbb, w, z, ldz, work, info)
 
 la_ssbgv
 

Detailed Description

SBGV: computes all the eigenvalues, and optionally, the eigenvectors of a real generalized symmetric-definite banded eigenproblem, of the form A*x=(lambda)*B*x. Here A and B are assumed to be symmetric and banded, and B is also positive definite.

Member Function/Subroutine Documentation

◆ dsbgv()

pure subroutine la_lapack::sbgv::dsbgv ( character, intent(in) jobz,
character, intent(in) uplo,
integer(ilp), intent(in) n,
integer(ilp), intent(in) ka,
integer(ilp), intent(in) kb,
real(dp), dimension(ldab,*), intent(inout) ab,
integer(ilp), intent(in) ldab,
real(dp), dimension(ldbb,*), intent(inout) bb,
integer(ilp), intent(in) ldbb,
real(dp), dimension(*), intent(out) w,
real(dp), dimension(ldz,*), intent(out) z,
integer(ilp), intent(in) ldz,
real(dp), dimension(*), intent(out) work,
integer(ilp), intent(out) info )

◆ la_dsbgv()

la_lapack::sbgv::la_dsbgv

◆ la_qsbgv()

la_lapack::sbgv::la_qsbgv

◆ la_ssbgv()

la_lapack::sbgv::la_ssbgv

◆ ssbgv()

pure subroutine la_lapack::sbgv::ssbgv ( character, intent(in) jobz,
character, intent(in) uplo,
integer(ilp), intent(in) n,
integer(ilp), intent(in) ka,
integer(ilp), intent(in) kb,
real(sp), dimension(ldab,*), intent(inout) ab,
integer(ilp), intent(in) ldab,
real(sp), dimension(ldbb,*), intent(inout) bb,
integer(ilp), intent(in) ldbb,
real(sp), dimension(*), intent(out) w,
real(sp), dimension(ldz,*), intent(out) z,
integer(ilp), intent(in) ldz,
real(sp), dimension(*), intent(out) work,
integer(ilp), intent(out) info )

The documentation for this interface was generated from the following file: