UNGTR: generates a complex unitary matrix Q which is defined as the product of n-1 elementary reflectors of order N, as returned by CHETRD: 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	cungtr (uplo, n, a, lda, tau, work, lwork, info)

	la_cungtr

	la_wungtr

pure subroutine	zungtr (uplo, n, a, lda, tau, work, lwork, info)

	la_zungtr

Detailed Description

UNGTR: generates a complex unitary matrix Q which is defined as the product of n-1 elementary reflectors of order N, as returned by CHETRD: 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

◆ cungtr()

pure subroutine la_lapack::ungtr::cungtr	(	character, intent(in)	uplo,
		integer(ilp), intent(in)	n,
		complex(sp), dimension(lda,*), intent(inout)	a,
		integer(ilp), intent(in)	lda,
		complex(sp), dimension(*), intent(in)	tau,
		complex(sp), dimension(*), intent(out)	work,
		integer(ilp), intent(in)	lwork,
		integer(ilp), intent(out)	info )

◆ la_cungtr()

la_lapack::ungtr::la_cungtr

◆ la_wungtr()

la_lapack::ungtr::la_wungtr

◆ la_zungtr()

la_lapack::ungtr::la_zungtr

◆ zungtr()

pure subroutine la_lapack::ungtr::zungtr	(	character, intent(in)	uplo,
		integer(ilp), intent(in)	n,
		complex(dp), dimension(lda,*), intent(inout)	a,
		integer(ilp), intent(in)	lda,
		complex(dp), dimension(*), intent(in)	tau,
		complex(dp), dimension(*), intent(out)	work,
		integer(ilp), intent(in)	lwork,
		integer(ilp), intent(out)	info )

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

la_lapack.f90