public interface spev
SPEV computes all the eigenvalues and, optionally, eigenvectors of a
real symmetric matrix A in packed storage.
Subroutines
Arguments
| Type |
Intent | Optional | 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 |
|
Arguments
| Type |
Intent | Optional | 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