--- rpl/lapack/lapack/dgeqrt.f 2016/08/27 15:34:22 1.6 +++ rpl/lapack/lapack/dgeqrt.f 2017/06/17 10:53:48 1.7 @@ -2,31 +2,31 @@ * * =========== DOCUMENTATION =========== * -* Online html documentation available at -* http://www.netlib.org/lapack/explore-html/ +* Online html documentation available at +* http://www.netlib.org/lapack/explore-html/ * *> \htmlonly -*> Download DGEQRT + dependencies -*> -*> [TGZ] -*> -*> [ZIP] -*> +*> Download DGEQRT + dependencies +*> +*> [TGZ] +*> +*> [ZIP] +*> *> [TXT] -*> \endhtmlonly +*> \endhtmlonly * * Definition: * =========== * * SUBROUTINE DGEQRT( M, N, NB, A, LDA, T, LDT, WORK, INFO ) -* +* * .. Scalar Arguments .. * INTEGER INFO, LDA, LDT, M, N, NB * .. * .. Array Arguments .. * DOUBLE PRECISION A( LDA, * ), T( LDT, * ), WORK( * ) * .. -* +* * *> \par Purpose: * ============= @@ -34,7 +34,7 @@ *> \verbatim *> *> DGEQRT computes a blocked QR factorization of a real M-by-N matrix A -*> using the compact WY representation of Q. +*> using the compact WY representation of Q. *> \endverbatim * * Arguments: @@ -103,12 +103,12 @@ * Authors: * ======== * -*> \author Univ. of Tennessee -*> \author Univ. of California Berkeley -*> \author Univ. of Colorado Denver -*> \author NAG Ltd. +*> \author Univ. of Tennessee +*> \author Univ. of California Berkeley +*> \author Univ. of Colorado Denver +*> \author NAG Ltd. * -*> \date November 2013 +*> \date December 2016 * *> \ingroup doubleGEcomputational * @@ -130,9 +130,9 @@ *> in the matrix A. The 1's along the diagonal of V are not stored in A. *> *> Let K=MIN(M,N). The number of blocks is B = ceiling(K/NB), where each -*> block is of order NB except for the last block, which is of order +*> block is of order NB except for the last block, which is of order *> IB = K - (B-1)*NB. For each of the B blocks, a upper triangular block -*> reflector factor is computed: T1, T2, ..., TB. The NB-by-NB (and IB-by-IB +*> reflector factor is computed: T1, T2, ..., TB. The NB-by-NB (and IB-by-IB *> for the last block) T's are stored in the NB-by-N matrix T as *> *> T = (T1 T2 ... TB). @@ -141,10 +141,10 @@ * ===================================================================== SUBROUTINE DGEQRT( M, N, NB, A, LDA, T, LDT, WORK, INFO ) * -* -- LAPACK computational routine (version 3.5.0) -- +* -- LAPACK computational routine (version 3.7.0) -- * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- -* November 2013 +* December 2016 * * .. Scalar Arguments .. INTEGER INFO, LDA, LDT, M, N, NB @@ -194,7 +194,7 @@ * DO I = 1, K, NB IB = MIN( K-I+1, NB ) -* +* * Compute the QR factorization of the current block A(I:M,I:I+IB-1) * IF( USE_RECURSIVE_QR ) THEN @@ -207,12 +207,12 @@ * Update by applying H**T to A(I:M,I+IB:N) from the left * CALL DLARFB( 'L', 'T', 'F', 'C', M-I+1, N-I-IB+1, IB, - $ A( I, I ), LDA, T( 1, I ), LDT, + $ A( I, I ), LDA, T( 1, I ), LDT, $ A( I, I+IB ), LDA, WORK , N-I-IB+1 ) END IF END DO RETURN -* +* * End of DGEQRT * END