version 1.10, 2011/11/21 22:19:36
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version 1.15, 2016/08/27 15:27:10
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*> \brief \b DLATDF |
*> \brief \b DLATDF uses the LU factorization of the n-by-n matrix computed by sgetc2 and computes a contribution to the reciprocal Dif-estimate. |
* |
* |
* =========== DOCUMENTATION =========== |
* =========== DOCUMENTATION =========== |
* |
* |
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*> Zx = +-e - f with the sign giving the greater value |
*> Zx = +-e - f with the sign giving the greater value |
*> of 2-norm(x). About 5 times as expensive as Default. |
*> of 2-norm(x). About 5 times as expensive as Default. |
*> IJOB .ne. 2: Local look ahead strategy where all entries of |
*> IJOB .ne. 2: Local look ahead strategy where all entries of |
*> the r.h.s. b is choosen as either +1 or -1 (Default). |
*> the r.h.s. b is chosen as either +1 or -1 (Default). |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
*> \param[in] N |
*> \param[in] N |
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*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
* |
*> \date November 2011 |
*> \date June 2016 |
* |
* |
*> \ingroup doubleOTHERauxiliary |
*> \ingroup doubleOTHERauxiliary |
* |
* |
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SUBROUTINE DLATDF( IJOB, N, Z, LDZ, RHS, RDSUM, RDSCAL, IPIV, |
SUBROUTINE DLATDF( IJOB, N, Z, LDZ, RHS, RDSUM, RDSCAL, IPIV, |
$ JPIV ) |
$ JPIV ) |
* |
* |
* -- LAPACK auxiliary routine (version 3.4.0) -- |
* -- LAPACK auxiliary routine (version 3.6.1) -- |
* -- 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 2011 |
* June 2016 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
INTEGER IJOB, LDZ, N |
INTEGER IJOB, LDZ, N |