dgeqrf Interface

interface
public subroutine dgeqrf(m, n, a, lda, tau, work, lwork, info)

Arguments

Type	Intent	Optional	Attributes		Name
integer,	intent(in)			::	m
integer,	intent(in)			::	n
real(kind=dp),	intent(inout)			::	a(lda,*)
integer,	intent(in)			::	lda
real(kind=dp),	intent(out)			::	tau(*)
real(kind=dp),	intent(out)			::	work(*)
integer,	intent(in)			::	lwork
integer,	intent(out)			::	info

Description

Blocked QR factorization: A = Q*R.