OPGTR: generates a real orthogonal matrix Q which is defined as the product of n-1 elementary reflectors H(i) of order n, as returned by DSPTRD 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	dopgtr (uplo, n, ap, tau, q, ldq, work, info)

	la_dopgtr

	la_qopgtr

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

	la_sopgtr

Detailed Description

OPGTR: generates a real orthogonal matrix Q which is defined as the product of n-1 elementary reflectors H(i) of order n, as returned by DSPTRD 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

◆ dopgtr()

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

◆ la_dopgtr()

la_lapack::opgtr::la_dopgtr

◆ la_qopgtr()

la_lapack::opgtr::la_qopgtr

◆ la_sopgtr()

la_lapack::opgtr::la_sopgtr

◆ sopgtr()

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

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

la_lapack.f90