stdlib_dlaqz4 Interface
interface
public pure module subroutine stdlib_dlaqz4(ilschur, ilq, ilz, n, ilo, ihi, nshifts, nblock_desired, sr, si, ss, a, lda, b, ldb, q, ldq, z, ldz, qc, ldqc, zc, ldzc, work, lwork, info)
Arguments
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| logical(kind=lk), | intent(in) | :: | ilschur | |||
| logical(kind=lk), | intent(in) | :: | ilq | |||
| logical(kind=lk), | intent(in) | :: | ilz | |||
| integer(kind=ilp), | intent(in) | :: | n | |||
| integer(kind=ilp), | intent(in) | :: | ilo | |||
| integer(kind=ilp), | intent(in) | :: | ihi | |||
| integer(kind=ilp), | intent(in) | :: | nshifts | |||
| integer(kind=ilp), | intent(in) | :: | nblock_desired | |||
| real(kind=dp), | intent(inout) | :: | sr(*) | |||
| real(kind=dp), | intent(inout) | :: | si(*) | |||
| real(kind=dp), | intent(inout) | :: | ss(*) | |||
| real(kind=dp), | intent(inout) | :: | a(lda,*) | |||
| integer(kind=ilp), | intent(in) | :: | lda | |||
| real(kind=dp), | intent(inout) | :: | b(ldb,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldb | |||
| real(kind=dp), | intent(inout) | :: | q(ldq,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldq | |||
| real(kind=dp), | intent(inout) | :: | z(ldz,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldz | |||
| real(kind=dp), | intent(inout) | :: | qc(ldqc,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldqc | |||
| real(kind=dp), | intent(inout) | :: | zc(ldzc,*) | |||
| integer(kind=ilp), | intent(in) | :: | ldzc | |||
| real(kind=dp), | intent(inout) | :: | work(*) | |||
| integer(kind=ilp), | intent(in) | :: | lwork | |||
| integer(kind=ilp), | intent(out) | :: | info |