--- rpl/lapack/lapack/dgeqr2.f 2018/05/29 07:17:52 1.19 +++ rpl/lapack/lapack/dgeqr2.f 2020/05/21 21:45:56 1.20 @@ -33,8 +33,17 @@ *> *> \verbatim *> -*> DGEQR2 computes a QR factorization of a real m by n matrix A: -*> A = Q * R. +*> DGEQR2 computes a QR factorization of a real 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. +*> *> \endverbatim * * Arguments: @@ -96,7 +105,7 @@ *> \author Univ. of Colorado Denver *> \author NAG Ltd. * -*> \date December 2016 +*> \date November 2019 * *> \ingroup doubleGEcomputational * @@ -121,10 +130,10 @@ * ===================================================================== SUBROUTINE DGEQR2( M, N, A, LDA, TAU, WORK, INFO ) * -* -- LAPACK computational routine (version 3.7.0) -- +* -- LAPACK computational routine (version 3.9.0) -- * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- -* December 2016 +* November 2019 * * .. Scalar Arguments .. INTEGER INFO, LDA, M, N