version 1.20, 2018/05/29 07:18:06
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version 1.21, 2020/05/21 21:46:01
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*> dimension (LDA,N) |
*> dimension (LDA,N) |
*> On entry, the N-by-N coefficient matrix A. |
*> On entry, the N-by-N coefficient matrix A. |
*> 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 factors L and U from the factorization |
*> array A contains the factors L and U from the factorization |
*> A = P*L*U; the unit diagonal elements of L are not stored. |
*> A = P*L*U; the unit diagonal elements of L are not stored. |
*> \endverbatim |
*> \endverbatim |
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*> The pivot indices that define the permutation matrix P; |
*> The pivot indices that define the permutation matrix P; |
*> row i of the matrix was interchanged with row IPIV(i). |
*> row i of the matrix was interchanged with row IPIV(i). |
*> Corresponds either to the single precision factorization |
*> Corresponds either to the single precision factorization |
*> (if INFO.EQ.0 and ITER.GE.0) or the double precision |
*> (if INFO = 0 and ITER >= 0) or the double precision |
*> factorization (if INFO.EQ.0 and ITER.LT.0). |
*> factorization (if INFO = 0 and ITER < 0). |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
*> \param[in] B |
*> \param[in] B |
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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 up |
* stopping criterion, set up the ITER flag accordingly and follow up |
* on double precision routine. |
* on double precision routine. |
* |
* |