* From LAPACK/dlarfg.f * * DLARFG generates a real elementary reflector H of order n, such * that * * H * ( alpha ) = ( beta ), H**T * H = I. * ( x ) ( 0 ) * * where alpha and beta are scalars, and x is an (n-1)-element real * vector. H is represented in the form
(a11, x, tau *matrix.FloatMatrix, flags Flags)