version 1.2, 2011/11/21 22:19:49
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version 1.12, 2023/08/07 08:39:27
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*> \brief \b ZLA_GERPVGRW |
*> \brief \b ZLA_GERPVGRW multiplies a square real matrix by a complex matrix. |
* |
* |
* =========== 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 ZLA_GERPVGRW + dependencies |
*> Download ZLA_GERPVGRW + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zla_gerpvgrw.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zla_gerpvgrw.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zla_gerpvgrw.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zla_gerpvgrw.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zla_gerpvgrw.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zla_gerpvgrw.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
* |
* |
* DOUBLE PRECISION FUNCTION ZLA_GERPVGRW( N, NCOLS, A, LDA, AF, |
* DOUBLE PRECISION FUNCTION ZLA_GERPVGRW( N, NCOLS, A, LDA, AF, |
* LDAF ) |
* LDAF ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* INTEGER N, NCOLS, LDA, LDAF |
* INTEGER N, NCOLS, LDA, LDAF |
* .. |
* .. |
* .. Array Arguments .. |
* .. Array Arguments .. |
* COMPLEX*16 A( LDA, * ), AF( LDAF, * ) |
* COMPLEX*16 A( LDA, * ), AF( LDAF, * ) |
* .. |
* .. |
* |
* |
* |
* |
*> \par Purpose: |
*> \par Purpose: |
* ============= |
* ============= |
*> |
*> |
*> \verbatim |
*> \verbatim |
*> |
*> |
*> |
*> |
*> ZLA_GERPVGRW computes the reciprocal pivot growth factor |
*> ZLA_GERPVGRW computes the reciprocal pivot growth factor |
*> norm(A)/norm(U). The "max absolute element" norm is used. If this is |
*> norm(A)/norm(U). The "max absolute element" norm is used. If this is |
*> much less than 1, the stability of the LU factorization of the |
*> much less than 1, the stability of the LU factorization of the |
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*> |
*> |
*> \param[in] A |
*> \param[in] A |
*> \verbatim |
*> \verbatim |
*> A is DOUBLE PRECISION array, dimension (LDA,N) |
*> A is COMPLEX*16 array, dimension (LDA,N) |
*> On entry, the N-by-N matrix A. |
*> On entry, the N-by-N matrix A. |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
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*> |
*> |
*> \param[in] AF |
*> \param[in] AF |
*> \verbatim |
*> \verbatim |
*> AF is DOUBLE PRECISION array, dimension (LDAF,N) |
*> AF is COMPLEX*16 array, dimension (LDAF,N) |
*> The factors L and U from the factorization |
*> The factors L and U from the factorization |
*> A = P*L*U as computed by ZGETRF. |
*> A = P*L*U as computed by ZGETRF. |
*> \endverbatim |
*> \endverbatim |
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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 |
|
* |
* |
*> \ingroup complex16GEcomputational |
*> \ingroup complex16GEcomputational |
* |
* |
* ===================================================================== |
* ===================================================================== |
DOUBLE PRECISION FUNCTION ZLA_GERPVGRW( N, NCOLS, A, LDA, AF, |
DOUBLE PRECISION FUNCTION ZLA_GERPVGRW( N, NCOLS, A, LDA, AF, |
$ LDAF ) |
$ LDAF ) |
* |
* |
* -- LAPACK computational routine (version 3.4.0) -- |
* -- LAPACK computational routine -- |
* -- 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 |
|
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
INTEGER N, NCOLS, LDA, LDAF |
INTEGER N, NCOLS, LDA, LDAF |
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END IF |
END IF |
END DO |
END DO |
ZLA_GERPVGRW = RPVGRW |
ZLA_GERPVGRW = RPVGRW |
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* |
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* End of ZLA_GERPVGRW |
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* |
END |
END |