version 1.1, 2010/12/21 13:50:37
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version 1.3, 2011/07/22 07:38:20
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SUBROUTINE ZSYSWAPR( UPLO, N, A, I1, I2) |
SUBROUTINE ZSYSWAPR( UPLO, N, A, LDA, I1, I2) |
* |
* |
* -- LAPACK auxiliary routine (version 3.3.0) -- |
* -- LAPACK auxiliary routine (version 3.3.1) -- |
* -- 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 2010 |
* -- April 2011 -- |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER UPLO |
CHARACTER UPLO |
INTEGER I1, I2, N |
INTEGER I1, I2, LDA, N |
* .. |
* .. |
* .. Array Arguments .. |
* .. Array Arguments .. |
DOUBLE COMPLEX A(N,N) |
DOUBLE COMPLEX A( LDA, N ) |
* |
* |
* Purpose |
* Purpose |
* ======= |
* ======= |
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* inverse is formed and the part of A above the diagonal is |
* inverse is formed and the part of A above the diagonal is |
* not referenced. |
* not referenced. |
* |
* |
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* LDA (input) INTEGER |
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* The leading dimension of the array A. LDA >= max(1,N). |
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* |
* I1 (input) INTEGER |
* I1 (input) INTEGER |
* Index of the first row to swap |
* Index of the first row to swap |
* |
* |
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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), N, A(I2,1), N ) |
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) |