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Diff for /rpl/lapack/lapack/zgeqrt2.f between versions 1.6 and 1.7

version 1.6, 2016/08/27 15:34:46 version 1.7, 2017/06/17 10:54:10
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 *  *
 *  =========== DOCUMENTATION ===========  *  =========== DOCUMENTATION ===========
 *  *
 * Online html documentation available at   * Online html documentation available at
 *            http://www.netlib.org/lapack/explore-html/   *            http://www.netlib.org/lapack/explore-html/
 *  *
 *> \htmlonly  *> \htmlonly
 *> Download ZGEQRT2 + dependencies   *> Download ZGEQRT2 + dependencies
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zgeqrt2.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zgeqrt2.f">
 *> [TGZ]</a>   *> [TGZ]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zgeqrt2.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zgeqrt2.f">
 *> [ZIP]</a>   *> [ZIP]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zgeqrt2.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zgeqrt2.f">
 *> [TXT]</a>  *> [TXT]</a>
 *> \endhtmlonly   *> \endhtmlonly
 *  *
 *  Definition:  *  Definition:
 *  ===========  *  ===========
 *  *
 *       SUBROUTINE ZGEQRT2( M, N, A, LDA, T, LDT, INFO )  *       SUBROUTINE ZGEQRT2( M, N, A, LDA, T, LDT, INFO )
 *   *
 *       .. Scalar Arguments ..  *       .. Scalar Arguments ..
 *       INTEGER   INFO, LDA, LDT, M, N  *       INTEGER   INFO, LDA, LDT, M, N
 *       ..  *       ..
 *       .. Array Arguments ..  *       .. Array Arguments ..
 *       COMPLEX*16   A( LDA, * ), T( LDT, * )  *       COMPLEX*16   A( LDA, * ), T( LDT, * )
 *       ..  *       ..
 *    *
 *  *
 *> \par Purpose:  *> \par Purpose:
 *  =============  *  =============
 *>  *>
 *> \verbatim  *> \verbatim
 *>  *>
 *> ZGEQRT2 computes a QR factorization of a complex M-by-N matrix A,   *> ZGEQRT2 computes a QR factorization of a complex M-by-N matrix A,
 *> using the compact WY representation of Q.   *> using the compact WY representation of Q.
 *> \endverbatim  *> \endverbatim
 *  *
 *  Arguments:  *  Arguments:
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 *  Authors:  *  Authors:
 *  ========  *  ========
 *  *
 *> \author Univ. of Tennessee   *> \author Univ. of Tennessee
 *> \author Univ. of California Berkeley   *> \author Univ. of California Berkeley
 *> \author Univ. of Colorado Denver   *> \author Univ. of Colorado Denver
 *> \author NAG Ltd.   *> \author NAG Ltd.
 *  *
 *> \date September 2012  *> \date December 2016
 *  *
 *> \ingroup complex16GEcomputational  *> \ingroup complex16GEcomputational
 *  *
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 *  =====================================================================  *  =====================================================================
       SUBROUTINE ZGEQRT2( M, N, A, LDA, T, LDT, INFO )        SUBROUTINE ZGEQRT2( M, N, A, LDA, T, LDT, INFO )
 *  *
 *  -- LAPACK computational routine (version 3.4.2) --  *  -- LAPACK computational routine (version 3.7.0) --
 *  -- LAPACK is a software package provided by Univ. of Tennessee,    --  *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
 *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--  *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
 *     September 2012  *     December 2016
 *  *
 *     .. Scalar Arguments ..  *     .. Scalar Arguments ..
       INTEGER   INFO, LDA, LDT, M, N        INTEGER   INFO, LDA, LDT, M, N
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          CALL XERBLA( 'ZGEQRT2', -INFO )           CALL XERBLA( 'ZGEQRT2', -INFO )
          RETURN           RETURN
       END IF        END IF
 *        *
       K = MIN( M, N )        K = MIN( M, N )
 *  *
       DO I = 1, K        DO I = 1, K
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 *  *
 *           W(1:N-I) := A(I:M,I+1:N)^H * A(I:M,I) [W = T(:,N)]  *           W(1:N-I) := A(I:M,I+1:N)^H * A(I:M,I) [W = T(:,N)]
 *  *
             CALL ZGEMV( 'C',M-I+1, N-I, ONE, A( I, I+1 ), LDA,               CALL ZGEMV( 'C',M-I+1, N-I, ONE, A( I, I+1 ), LDA,
      $                  A( I, I ), 1, ZERO, T( 1, N ), 1 )       $                  A( I, I ), 1, ZERO, T( 1, N ), 1 )
 *  *
 *           A(I:M,I+1:N) = A(I:m,I+1:N) + alpha*A(I:M,I)*W(1:N-1)^H  *           A(I:M,I+1:N) = A(I:m,I+1:N) + alpha*A(I:M,I)*W(1:N-1)^H
 *  *
             ALPHA = -CONJG(T( I, 1 ))              ALPHA = -CONJG(T( I, 1 ))
             CALL ZGERC( M-I+1, N-I, ALPHA, A( I, I ), 1,               CALL ZGERC( M-I+1, N-I, ALPHA, A( I, I ), 1,
      $           T( 1, N ), 1, A( I, I+1 ), LDA )       $           T( 1, N ), 1, A( I, I+1 ), LDA )
             A( I, I ) = AII              A( I, I ) = AII
          END IF           END IF
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 *        T(1:I-1,I) := alpha * A(I:M,1:I-1)**H * A(I:M,I)  *        T(1:I-1,I) := alpha * A(I:M,1:I-1)**H * A(I:M,I)
 *  *
          ALPHA = -T( I, 1 )           ALPHA = -T( I, 1 )
          CALL ZGEMV( 'C', M-I+1, I-1, ALPHA, A( I, 1 ), LDA,            CALL ZGEMV( 'C', M-I+1, I-1, ALPHA, A( I, 1 ), LDA,
      $               A( I, I ), 1, ZERO, T( 1, I ), 1 )       $               A( I, I ), 1, ZERO, T( 1, I ), 1 )
          A( I, I ) = AII           A( I, I ) = AII
 *  *
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             T( I, I ) = T( I, 1 )              T( I, I ) = T( I, 1 )
             T( I, 1) = ZERO              T( I, 1) = ZERO
       END DO        END DO
      
 *  *
 *     End of ZGEQRT2  *     End of ZGEQRT2
 *  *
Removed from v.1.6  
changed lines
  Added in v.1.7

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