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version 1.1, 2011/07/24 10:30:17 version 1.11, 2018/05/29 07:18:20
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   *> \brief \b ZHESWAPR applies an elementary permutation on the rows and columns of a Hermitian matrix.
   *
   *  =========== DOCUMENTATION ===========
   *
   * Online html documentation available at
   *            http://www.netlib.org/lapack/explore-html/
   *
   *> \htmlonly
   *> Download ZHESWAPR + dependencies
   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zheswapr.f">
   *> [TGZ]</a>
   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zheswapr.f">
   *> [ZIP]</a>
   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zheswapr.f">
   *> [TXT]</a>
   *> \endhtmlonly
   *
   *  Definition:
   *  ===========
   *
   *       SUBROUTINE ZHESWAPR( UPLO, N, A, LDA, I1, I2)
   *
   *       .. Scalar Arguments ..
   *       CHARACTER        UPLO
   *       INTEGER          I1, I2, LDA, N
   *       ..
   *       .. Array Arguments ..
   *       COMPLEX*16          A( LDA, N )
   *
   *
   *> \par Purpose:
   *  =============
   *>
   *> \verbatim
   *>
   *> ZHESWAPR applies an elementary permutation on the rows and the columns of
   *> a hermitian matrix.
   *> \endverbatim
   *
   *  Arguments:
   *  ==========
   *
   *> \param[in] UPLO
   *> \verbatim
   *>          UPLO is CHARACTER*1
   *>          Specifies whether the details of the factorization are stored
   *>          as an upper or lower triangular matrix.
   *>          = 'U':  Upper triangular, form is A = U*D*U**T;
   *>          = 'L':  Lower triangular, form is A = L*D*L**T.
   *> \endverbatim
   *>
   *> \param[in] N
   *> \verbatim
   *>          N is INTEGER
   *>          The order of the matrix A.  N >= 0.
   *> \endverbatim
   *>
   *> \param[in,out] A
   *> \verbatim
   *>          A is COMPLEX*16 array, dimension (LDA,N)
   *>          On entry, the NB diagonal matrix D and the multipliers
   *>          used to obtain the factor U or L as computed by CSYTRF.
   *>
   *>          On exit, if INFO = 0, the (symmetric) inverse of the original
   *>          matrix.  If UPLO = 'U', the upper triangular part of the
   *>          inverse is formed and the part of A below the diagonal is not
   *>          referenced; if UPLO = 'L' the lower triangular part of the
   *>          inverse is formed and the part of A above the diagonal is
   *>          not referenced.
   *> \endverbatim
   *>
   *> \param[in] LDA
   *> \verbatim
   *>          LDA is INTEGER
   *>          The leading dimension of the array A.  LDA >= max(1,N).
   *> \endverbatim
   *>
   *> \param[in] I1
   *> \verbatim
   *>          I1 is INTEGER
   *>          Index of the first row to swap
   *> \endverbatim
   *>
   *> \param[in] I2
   *> \verbatim
   *>          I2 is INTEGER
   *>          Index of the second row to swap
   *> \endverbatim
   *
   *  Authors:
   *  ========
   *
   *> \author Univ. of Tennessee
   *> \author Univ. of California Berkeley
   *> \author Univ. of Colorado Denver
   *> \author NAG Ltd.
   *
   *> \date December 2016
   *
   *> \ingroup complex16HEauxiliary
   *
   *  =====================================================================
       SUBROUTINE ZHESWAPR( UPLO, N, A, LDA, I1, I2)        SUBROUTINE ZHESWAPR( UPLO, N, A, LDA, I1, I2)
 *  *
 *  -- LAPACK auxiliary routine (version 3.3.1) --  *  -- LAPACK auxiliary 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..--
 *  -- April 2011                                                      --  *     December 2016
 *  *
 *     .. Scalar Arguments ..  *     .. Scalar Arguments ..
       CHARACTER        UPLO        CHARACTER        UPLO
Line 12 Line 114
 *     .. Array Arguments ..  *     .. Array Arguments ..
       COMPLEX*16          A( LDA, N )        COMPLEX*16          A( LDA, N )
 *  *
 *  Purpose  
 *  =======  
 *  
 *  ZHESWAPR applies an elementary permutation on the rows and the columns of  
 *  a hermitian matrix.  
 *  
 *  Arguments  
 *  =========  
 *  
 *  UPLO    (input) CHARACTER*1  
 *          Specifies whether the details of the factorization are stored  
 *          as an upper or lower triangular matrix.  
 *          = 'U':  Upper triangular, form is A = U*D*U**T;  
 *          = 'L':  Lower triangular, form is A = L*D*L**T.  
 *  
 *  N       (input) INTEGER  
 *          The order of the matrix A.  N >= 0.  
 *  
 *  A       (input/output) COMPLEX*16 array, dimension (LDA,N)  
 *          On entry, the NB diagonal matrix D and the multipliers  
 *          used to obtain the factor U or L as computed by CSYTRF.  
 *  
 *          On exit, if INFO = 0, the (symmetric) inverse of the original  
 *          matrix.  If UPLO = 'U', the upper triangular part of the  
 *          inverse is formed and the part of A below the diagonal is not  
 *          referenced; if UPLO = 'L' the lower triangular part of the  
 *          inverse is formed and the part of A above the diagonal is  
 *          not referenced.  
 *  
 *  LDA     (input) INTEGER  
 *          The leading dimension of the array A.  LDA >= max(1,N).  
 *  
 *  I1      (input) INTEGER  
 *          Index of the first row to swap  
 *  
 *  I2      (input) INTEGER  
 *          Index of the second row to swap  
 *  
 *  =====================================================================  *  =====================================================================
 *  *
 *     ..  *     ..
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 *  *
 *         UPPER  *         UPPER
 *         first swap  *         first swap
 *          - swap column I1 and I2 from I1 to I1-1   *          - swap column I1 and I2 from I1 to I1-1
          CALL ZSWAP( I1-1, A(1,I1), 1, A(1,I2), 1 )           CALL ZSWAP( I1-1, A(1,I1), 1, A(1,I2), 1 )
 *  *
 *          second swap :  *          second swap :
 *          - swap A(I1,I1) and A(I2,I2)  *          - swap A(I1,I1) and A(I2,I2)
 *          - swap row I1 from I1+1 to I2-1 with col I2 from I1+1 to I2-1  *          - swap row I1 from I1+1 to I2-1 with col I2 from I1+1 to I2-1
 *          - swap A(I2,I1) and A(I1,I2)  *          - swap A(I2,I1) and A(I1,I2)
        
          TMP=A(I1,I1)           TMP=A(I1,I1)
          A(I1,I1)=A(I2,I2)           A(I1,I1)=A(I2,I2)
          A(I2,I2)=TMP           A(I2,I2)=TMP
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 *  *
 *         LOWER  *         LOWER
 *         first swap  *         first swap
 *          - swap row I1 and I2 from 1 to I1-1   *          - swap row I1 and I2 from 1 to I1-1
          CALL ZSWAP ( I1-1, A(I1,1), LDA, A(I2,1), LDA )           CALL ZSWAP ( I1-1, A(I1,1), LDA, A(I2,1), LDA )
 *  *
 *         second swap :  *         second swap :
 *          - swap A(I1,I1) and A(I2,I2)  *          - swap A(I1,I1) and A(I2,I2)
 *          - swap col I1 from I1+1 to I2-1 with row I2 from I1+1 to I2-1       *          - swap col I1 from I1+1 to I2-1 with row I2 from I1+1 to I2-1
 *          - swap A(I2,I1) and A(I1,I2)  *          - swap A(I2,I1) and A(I1,I2)
   
           TMP=A(I1,I1)            TMP=A(I1,I1)
Line 134 Line 198
           END DO            END DO
 *  *
       ENDIF        ENDIF
         
       END SUBROUTINE ZHESWAPR        END SUBROUTINE ZHESWAPR
   
Removed from v.1.1  
changed lines
  Added in v.1.11

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