hbgv Interface

public interface hbgv

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

Subroutines

public pure subroutine chbgv(jobz, uplo, n, ka, kb, ab, ldab, bb, ldbb, w, z, ldz, work, rwork, info)

Arguments

Type	Intent	Optional	Attributes		Name
character(len=1),	intent(in)			::	jobz
character(len=1),	intent(in)			::	uplo
integer(kind=ilp),	intent(in)			::	n
integer(kind=ilp),	intent(in)			::	ka
integer(kind=ilp),	intent(in)			::	kb
complex(kind=sp),	intent(inout)			::	ab(ldab,*)
integer(kind=ilp),	intent(in)			::	ldab
complex(kind=sp),	intent(inout)			::	bb(ldbb,*)
integer(kind=ilp),	intent(in)			::	ldbb
real(kind=sp),	intent(out)			::	w(*)
complex(kind=sp),	intent(out)			::	z(ldz,*)
integer(kind=ilp),	intent(in)			::	ldz
complex(kind=sp),	intent(out)			::	work(*)
real(kind=sp),	intent(out)			::	rwork(*)
integer(kind=ilp),	intent(out)			::	info

public pure subroutine zhbgv(jobz, uplo, n, ka, kb, ab, ldab, bb, ldbb, w, z, ldz, work, rwork, info)

Arguments

Type	Intent	Optional	Attributes		Name
character(len=1),	intent(in)			::	jobz
character(len=1),	intent(in)			::	uplo
integer(kind=ilp),	intent(in)			::	n
integer(kind=ilp),	intent(in)			::	ka
integer(kind=ilp),	intent(in)			::	kb
complex(kind=dp),	intent(inout)			::	ab(ldab,*)
integer(kind=ilp),	intent(in)			::	ldab
complex(kind=dp),	intent(inout)			::	bb(ldbb,*)
integer(kind=ilp),	intent(in)			::	ldbb
real(kind=dp),	intent(out)			::	w(*)
complex(kind=dp),	intent(out)			::	z(ldz,*)
integer(kind=ilp),	intent(in)			::	ldz
complex(kind=dp),	intent(out)			::	work(*)
real(kind=dp),	intent(out)			::	rwork(*)
integer(kind=ilp),	intent(out)			::	info

Module Procedures

public interface stdlib_chbgv()

Arguments

None

public interface stdlib_zhbgv()

Arguments

None