la_lapack::geqrf Interface Reference

GEQRF: computes a QR factorization of a complex M-by-N matrix A: A = Q * ( R ), ( 0 ) where: Q is a M-by-M orthogonal matrix; R is an upper-triangular N-by-N matrix; 0 is a (M-N)-by-N zero matrix, if M > N. More...

Public Member Functions
pure subroutine	cgeqrf (m, n, a, lda, tau, work, lwork, info)
	la_cgeqrf
pure subroutine	dgeqrf (m, n, a, lda, tau, work, lwork, info)
	la_dgeqrf
	la_qgeqrf
pure subroutine	sgeqrf (m, n, a, lda, tau, work, lwork, info)
	la_sgeqrf
	la_wgeqrf
pure subroutine	zgeqrf (m, n, a, lda, tau, work, lwork, info)
	la_zgeqrf

Detailed Description

GEQRF: computes a QR factorization of a complex M-by-N matrix A: A = Q * ( R ), ( 0 ) where: Q is a M-by-M orthogonal matrix; R is an upper-triangular N-by-N matrix; 0 is a (M-N)-by-N zero matrix, if M > N.

Member Function/Subroutine Documentation

cgeqrf()

pure subroutine la_lapack::geqrf::cgeqrf	(	integer(ilp), intent(in)	m,
		integer(ilp), intent(in)	n,
		complex(sp), dimension(lda,*), intent(inout)	a,
		integer(ilp), intent(in)	lda,
		complex(sp), dimension(*), intent(out)	tau,
		complex(sp), dimension(*), intent(out)	work,
		integer(ilp), intent(in)	lwork,
		integer(ilp), intent(out)	info
	)

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dgeqrf()

pure subroutine la_lapack::geqrf::dgeqrf	(	integer(ilp), intent(in)	m,
		integer(ilp), intent(in)	n,
		real(dp), dimension(lda,*), intent(inout)	a,
		integer(ilp), intent(in)	lda,
		real(dp), dimension(*), intent(out)	tau,
		real(dp), dimension(*), intent(out)	work,
		integer(ilp), intent(in)	lwork,
		integer(ilp), intent(out)	info
	)

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la_cgeqrf()

la_lapack::geqrf::la_cgeqrf

la_dgeqrf()

la_lapack::geqrf::la_dgeqrf

la_qgeqrf()

la_lapack::geqrf::la_qgeqrf

la_sgeqrf()

la_lapack::geqrf::la_sgeqrf

la_wgeqrf()

la_lapack::geqrf::la_wgeqrf

la_zgeqrf()

la_lapack::geqrf::la_zgeqrf

sgeqrf()

pure subroutine la_lapack::geqrf::sgeqrf	(	integer(ilp), intent(in)	m,
		integer(ilp), intent(in)	n,
		real(sp), dimension(lda,*), intent(inout)	a,
		integer(ilp), intent(in)	lda,
		real(sp), dimension(*), intent(out)	tau,
		real(sp), dimension(*), intent(out)	work,
		integer(ilp), intent(in)	lwork,
		integer(ilp), intent(out)	info
	)

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zgeqrf()

pure subroutine la_lapack::geqrf::zgeqrf	(	integer(ilp), intent(in)	m,
		integer(ilp), intent(in)	n,
		complex(dp), dimension(lda,*), intent(inout)	a,
		integer(ilp), intent(in)	lda,
		complex(dp), dimension(*), intent(out)	tau,
		complex(dp), dimension(*), intent(out)	work,
		integer(ilp), intent(in)	lwork,
		integer(ilp), intent(out)	info
	)

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

• la_lapack.f90