la_lapack::gemqrt Interface Reference

GEMQRT: overwrites the general complex M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N': Q C C Q TRANS = 'C': Q**H C C Q**H where Q is a complex orthogonal matrix defined as the product of K elementary reflectors: Q = H(1) H(2) . . . H(K) = I - V T V**H generated using the compact WY representation as returned by CGEQRT. Q is of order M if SIDE = 'L' and of order N if SIDE = 'R'. More...

Public Member Functions
pure subroutine	cgemqrt (side, trans, m, n, k, nb, v, ldv, t, ldt, c, ldc, work, info)
	la_cgemqrt
pure subroutine	dgemqrt (side, trans, m, n, k, nb, v, ldv, t, ldt, c, ldc, work, info)
	la_dgemqrt
	la_qgemqrt
pure subroutine	sgemqrt (side, trans, m, n, k, nb, v, ldv, t, ldt, c, ldc, work, info)
	la_sgemqrt
	la_wgemqrt
pure subroutine	zgemqrt (side, trans, m, n, k, nb, v, ldv, t, ldt, c, ldc, work, info)
	la_zgemqrt

Detailed Description

GEMQRT: overwrites the general complex M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N': Q C C Q TRANS = 'C': Q**H C C Q**H where Q is a complex orthogonal matrix defined as the product of K elementary reflectors: Q = H(1) H(2) . . . H(K) = I - V T V**H generated using the compact WY representation as returned by CGEQRT. Q is of order M if SIDE = 'L' and of order N if SIDE = 'R'.

Member Function/Subroutine Documentation

cgemqrt()

pure subroutine la_lapack::gemqrt::cgemqrt	(	character, intent(in)	side,
		character, intent(in)	trans,
		integer(ilp), intent(in)	m,
		integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	k,
		integer(ilp), intent(in)	nb,
		complex(sp), dimension(ldv,*), intent(in)	v,
		integer(ilp), intent(in)	ldv,
		complex(sp), dimension(ldt,*), intent(in)	t,
		integer(ilp), intent(in)	ldt,
		complex(sp), dimension(ldc,*), intent(inout)	c,
		integer(ilp), intent(in)	ldc,
		complex(sp), dimension(*), intent(out)	work,
		integer(ilp), intent(out)	info )

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dgemqrt()

pure subroutine la_lapack::gemqrt::dgemqrt	(	character, intent(in)	side,
		character, intent(in)	trans,
		integer(ilp), intent(in)	m,
		integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	k,
		integer(ilp), intent(in)	nb,
		real(dp), dimension(ldv,*), intent(in)	v,
		integer(ilp), intent(in)	ldv,
		real(dp), dimension(ldt,*), intent(in)	t,
		integer(ilp), intent(in)	ldt,
		real(dp), dimension(ldc,*), intent(inout)	c,
		integer(ilp), intent(in)	ldc,
		real(dp), dimension(*), intent(out)	work,
		integer(ilp), intent(out)	info )

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la_cgemqrt()

la_lapack::gemqrt::la_cgemqrt

la_dgemqrt()

la_lapack::gemqrt::la_dgemqrt

la_qgemqrt()

la_lapack::gemqrt::la_qgemqrt

la_sgemqrt()

la_lapack::gemqrt::la_sgemqrt

la_wgemqrt()

la_lapack::gemqrt::la_wgemqrt

la_zgemqrt()

la_lapack::gemqrt::la_zgemqrt

sgemqrt()

pure subroutine la_lapack::gemqrt::sgemqrt	(	character, intent(in)	side,
		character, intent(in)	trans,
		integer(ilp), intent(in)	m,
		integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	k,
		integer(ilp), intent(in)	nb,
		real(sp), dimension(ldv,*), intent(in)	v,
		integer(ilp), intent(in)	ldv,
		real(sp), dimension(ldt,*), intent(in)	t,
		integer(ilp), intent(in)	ldt,
		real(sp), dimension(ldc,*), intent(inout)	c,
		integer(ilp), intent(in)	ldc,
		real(sp), dimension(*), intent(out)	work,
		integer(ilp), intent(out)	info )

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zgemqrt()

pure subroutine la_lapack::gemqrt::zgemqrt	(	character, intent(in)	side,
		character, intent(in)	trans,
		integer(ilp), intent(in)	m,
		integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	k,
		integer(ilp), intent(in)	nb,
		complex(dp), dimension(ldv,*), intent(in)	v,
		integer(ilp), intent(in)	ldv,
		complex(dp), dimension(ldt,*), intent(in)	t,
		integer(ilp), intent(in)	ldt,
		complex(dp), dimension(ldc,*), intent(inout)	c,
		integer(ilp), intent(in)	ldc,
		complex(dp), dimension(*), intent(out)	work,
		integer(ilp), intent(out)	info )

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

• la_lapack.f90