spev Interface

public interface spev

SPEV computes all the eigenvalues and, optionally, eigenvectors of a real symmetric matrix A in packed storage.


Subroutines

public subroutine dspev(jobz, uplo, n, ap, w, z, ldz, work, info)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: jobz
character(len=1), intent(in) :: uplo
integer(kind=ilp), intent(in) :: n
real(kind=dp), intent(inout) :: ap(*)
real(kind=dp), intent(out) :: w(*)
real(kind=dp), intent(out) :: z(ldz,*)
integer(kind=ilp), intent(in) :: ldz
real(kind=dp), intent(out) :: work(*)
integer(kind=ilp), intent(out) :: info

public subroutine sspev(jobz, uplo, n, ap, w, z, ldz, work, info)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: jobz
character(len=1), intent(in) :: uplo
integer(kind=ilp), intent(in) :: n
real(kind=sp), intent(inout) :: ap(*)
real(kind=sp), intent(out) :: w(*)
real(kind=sp), intent(out) :: z(ldz,*)
integer(kind=ilp), intent(in) :: ldz
real(kind=sp), intent(out) :: work(*)
integer(kind=ilp), intent(out) :: info

Module Procedures

public interface stdlib_dspev()

Arguments

None

public interface stdlib_sspev()

Arguments

None