version 1.4, 2011/11/21 20:43:21
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version 1.11, 2017/06/17 11:07:02
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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 ZSYSWAPR + dependencies |
*> Download ZSYSWAPR + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zsyswapr.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zsyswapr.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zsyswapr.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zsyswapr.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zsyswapr.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zsyswapr.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
* |
* |
* SUBROUTINE ZSYSWAPR( UPLO, N, A, LDA, I1, I2) |
* SUBROUTINE ZSYSWAPR( UPLO, N, A, LDA, I1, I2) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* CHARACTER UPLO |
* CHARACTER UPLO |
* INTEGER I1, I2, LDA, N |
* INTEGER I1, I2, LDA, N |
* .. |
* .. |
* .. Array Arguments .. |
* .. Array Arguments .. |
* COMPLEX*16 A( LDA, N ) |
* COMPLEX*16 A( LDA, N ) |
* |
* |
* |
* |
*> \par Purpose: |
*> \par Purpose: |
* ============= |
* ============= |
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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 November 2011 |
*> \date December 2016 |
* |
* |
*> \ingroup complex16SYauxiliary |
*> \ingroup complex16SYauxiliary |
* |
* |
* ===================================================================== |
* ===================================================================== |
SUBROUTINE ZSYSWAPR( UPLO, N, A, LDA, I1, I2) |
SUBROUTINE ZSYSWAPR( UPLO, N, A, LDA, I1, I2) |
* |
* |
* -- LAPACK auxiliary routine (version 3.4.0) -- |
* -- 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..-- |
* November 2011 |
* December 2016 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER UPLO |
CHARACTER UPLO |
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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 |
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 I1 to I1-1 |
* - swap row I1 and I2 from I1 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 |
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 |