version 1.14, 2017/06/17 10:54:07
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version 1.18, 2020/05/21 21:46:03
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*> elements need not be set and are assumed to be zero. |
*> elements need not be set and are assumed to be zero. |
*> |
*> |
*> On exit, if iterative refinement has been successfully used |
*> On exit, if iterative refinement has been successfully used |
*> (INFO.EQ.0 and ITER.GE.0, see description below), then A is |
*> (INFO = 0 and ITER >= 0, see description below), then A is |
*> unchanged, if double precision factorization has been used |
*> unchanged, if double precision factorization has been used |
*> (INFO.EQ.0 and ITER.LT.0, see description below), then the |
*> (INFO = 0 and ITER < 0, see description below), then the |
*> array A contains the factor U or L from the Cholesky |
*> array A contains the factor U or L from the Cholesky |
*> factorization A = U**H*U or A = L*L**H. |
*> factorization A = U**H*U or A = L*L**H. |
*> \endverbatim |
*> \endverbatim |
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*> |
*> |
*> \param[out] WORK |
*> \param[out] WORK |
*> \verbatim |
*> \verbatim |
*> WORK is COMPLEX*16 array, dimension (N*NRHS) |
*> WORK is COMPLEX*16 array, dimension (N,NRHS) |
*> This array is used to hold the residual vectors. |
*> This array is used to hold the residual vectors. |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
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SUBROUTINE ZCPOSV( UPLO, N, NRHS, A, LDA, B, LDB, X, LDX, WORK, |
SUBROUTINE ZCPOSV( UPLO, N, NRHS, A, LDA, B, LDB, X, LDX, WORK, |
$ SWORK, RWORK, ITER, INFO ) |
$ SWORK, RWORK, ITER, INFO ) |
* |
* |
* -- LAPACK driver routine (version 3.7.0) -- |
* -- LAPACK driver routine (version 3.8.0) -- |
* -- 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..-- |
* June 2016 |
* June 2016 |
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* |
* |
* .. External Subroutines .. |
* .. External Subroutines .. |
EXTERNAL ZAXPY, ZHEMM, ZLACPY, ZLAT2C, ZLAG2C, CLAG2Z, |
EXTERNAL ZAXPY, ZHEMM, ZLACPY, ZLAT2C, ZLAG2C, CLAG2Z, |
$ CPOTRF, CPOTRS, XERBLA |
$ CPOTRF, CPOTRS, XERBLA, ZPOTRF, ZPOTRS |
* .. |
* .. |
* .. External Functions .. |
* .. External Functions .. |
INTEGER IZAMAX |
INTEGER IZAMAX |
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30 CONTINUE |
30 CONTINUE |
* |
* |
* If we are at this place of the code, this is because we have |
* If we are at this place of the code, this is because we have |
* performed ITER=ITERMAX iterations and never satisified the |
* performed ITER=ITERMAX iterations and never satisfied the |
* stopping criterion, set up the ITER flag accordingly and follow |
* stopping criterion, set up the ITER flag accordingly and follow |
* up on double precision routine. |
* up on double precision routine. |
* |
* |