orghr Interface

public interface orghr

ORGHR generates a real orthogonal matrix Q which is defined as the product of IHI-ILO elementary reflectors of order N, as returned by DGEHRD: Q = H(ilo) H(ilo+1) . . . H(ihi-1).

Subroutines

public pure subroutine dorghr(n, ilo, ihi, a, lda, tau, work, lwork, info)

Arguments

Type	Intent	Optional	Attributes		Name
integer(kind=ilp),	intent(in)			::	n
integer(kind=ilp),	intent(in)			::	ilo
integer(kind=ilp),	intent(in)			::	ihi
real(kind=dp),	intent(inout)			::	a(lda,*)
integer(kind=ilp),	intent(in)			::	lda
real(kind=dp),	intent(in)			::	tau(*)
real(kind=dp),	intent(out)			::	work(*)
integer(kind=ilp),	intent(in)			::	lwork
integer(kind=ilp),	intent(out)			::	info

public pure subroutine sorghr(n, ilo, ihi, a, lda, tau, work, lwork, info)

Arguments

Type	Intent	Optional	Attributes		Name
integer(kind=ilp),	intent(in)			::	n
integer(kind=ilp),	intent(in)			::	ilo
integer(kind=ilp),	intent(in)			::	ihi
real(kind=sp),	intent(inout)			::	a(lda,*)
integer(kind=ilp),	intent(in)			::	lda
real(kind=sp),	intent(in)			::	tau(*)
real(kind=sp),	intent(out)			::	work(*)
integer(kind=ilp),	intent(in)			::	lwork
integer(kind=ilp),	intent(out)			::	info

Module Procedures

public interface stdlib_dorghr()

Arguments

None

public interface stdlib_sorghr()

Arguments

None