dlarfb Interface

interface
public pure subroutine dlarfb(side, trans, direct, storev, m, n, k, v, ldv, t, ldt, c, ldc, work, ldwork)

Arguments

Type IntentOptional Attributes Name
character(len=1), intent(in) :: side
character(len=1), intent(in) :: trans
character(len=1), intent(in) :: direct
character(len=1), intent(in) :: storev
integer, intent(in) :: m
integer, intent(in) :: n
integer, intent(in) :: k
real(kind=dp), intent(in) :: v(ldv,*)
integer, intent(in) :: ldv
real(kind=dp), intent(in) :: t(ldt,*)
integer, intent(in) :: ldt
real(kind=dp), intent(inout) :: c(ldc,*)
integer, intent(in) :: ldc
real(kind=dp), intent(out) :: work(ldwork,*)
integer, intent(in) :: ldwork

Description

Apply a block Householder reflector H = I - V*T*V**T to a matrix.