UPGTR: generates a complex unitary matrix Q which is defined as the product of n-1 elementary reflectors H(i) of order n, as returned by CHPTRD using packed storage: if UPLO = 'U', Q = H(n-1) . . . H(2) H(1), if UPLO = 'L', Q = H(1) H(2) . . . H(n-1). More...

Public Member Functions
pure subroutine	cupgtr (uplo, n, ap, tau, q, ldq, work, info)

	la_cupgtr

	la_wupgtr

pure subroutine	zupgtr (uplo, n, ap, tau, q, ldq, work, info)

	la_zupgtr

Detailed Description

UPGTR: generates a complex unitary matrix Q which is defined as the product of n-1 elementary reflectors H(i) of order n, as returned by CHPTRD using packed storage: if UPLO = 'U', Q = H(n-1) . . . H(2) H(1), if UPLO = 'L', Q = H(1) H(2) . . . H(n-1).

Member Function/Subroutine Documentation

◆ cupgtr()

pure subroutine la_lapack::upgtr::cupgtr	(	character, intent(in)	uplo,
		integer(ilp), intent(in)	n,
		complex(sp), dimension(*), intent(in)	ap,
		complex(sp), dimension(*), intent(in)	tau,
		complex(sp), dimension(ldq,*), intent(out)	q,
		integer(ilp), intent(in)	ldq,
		complex(sp), dimension(*), intent(out)	work,
		integer(ilp), intent(out)	info
	)

◆ la_cupgtr()

la_lapack::upgtr::la_cupgtr

◆ la_wupgtr()

la_lapack::upgtr::la_wupgtr

◆ la_zupgtr()

la_lapack::upgtr::la_zupgtr

◆ zupgtr()

pure subroutine la_lapack::upgtr::zupgtr	(	character, intent(in)	uplo,
		integer(ilp), intent(in)	n,
		complex(dp), dimension(*), intent(in)	ap,
		complex(dp), dimension(*), intent(in)	tau,
		complex(dp), dimension(ldq,*), intent(out)	q,
		integer(ilp), intent(in)	ldq,
		complex(dp), dimension(*), intent(out)	work,
		integer(ilp), intent(out)	info
	)

The documentation for this interface was generated from the following file:

la_lapack.f90