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version 1.19, 2018/05/29 07:17:55
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* |
* |
* =========== 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 DLADIV + dependencies |
*> Download DLADIV + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dladiv.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dladiv.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dladiv.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dladiv.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dladiv.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dladiv.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
* |
* |
* SUBROUTINE DLADIV( A, B, C, D, P, Q ) |
* SUBROUTINE DLADIV( A, B, C, D, P, Q ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* DOUBLE PRECISION A, B, C, D, P, Q |
* DOUBLE PRECISION A, B, C, D, P, Q |
* .. |
* .. |
* |
* |
* |
* |
*> \par Purpose: |
*> \par Purpose: |
* ============= |
* ============= |
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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 January 2013 |
*> \date January 2013 |
* |
* |
*> \ingroup auxOTHERauxiliary |
*> \ingroup doubleOTHERauxiliary |
* |
* |
* ===================================================================== |
* ===================================================================== |
SUBROUTINE DLADIV( A, B, C, D, P, Q ) |
SUBROUTINE DLADIV( A, B, C, D, P, Q ) |
* |
* |
* -- LAPACK auxiliary routine (version 3.6.0) -- |
* -- LAPACK auxiliary routine (version 3.7.0) -- |
* -- 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..-- |
* January 2013 |
* January 2013 |
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AB = MAX( ABS(A), ABS(B) ) |
AB = MAX( ABS(A), ABS(B) ) |
CD = MAX( ABS(C), ABS(D) ) |
CD = MAX( ABS(C), ABS(D) ) |
S = 1.0D0 |
S = 1.0D0 |
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OV = DLAMCH( 'Overflow threshold' ) |
OV = DLAMCH( 'Overflow threshold' ) |
UN = DLAMCH( 'Safe minimum' ) |
UN = DLAMCH( 'Safe minimum' ) |
EPS = DLAMCH( 'Epsilon' ) |
EPS = DLAMCH( 'Epsilon' ) |
BE = BS / (EPS*EPS) |
BE = BS / (EPS*EPS) |
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IF( AB >= HALF*OV ) THEN |
IF( AB >= HALF*OV ) THEN |
AA = HALF * AA |
AA = HALF * AA |
BB = HALF * BB |
BB = HALF * BB |
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* |
* |
END |
END |
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*> \ingroup doubleOTHERauxiliary |
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SUBROUTINE DLADIV1( A, B, C, D, P, Q ) |
SUBROUTINE DLADIV1( A, B, C, D, P, Q ) |
* |
* |
* -- LAPACK auxiliary routine (version 3.6.0) -- |
* -- LAPACK auxiliary routine (version 3.7.0) -- |
* -- 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..-- |
* January 2013 |
* January 2013 |
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* |
* |
END |
END |
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*> \ingroup doubleOTHERauxiliary |
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DOUBLE PRECISION FUNCTION DLADIV2( A, B, C, D, R, T ) |
DOUBLE PRECISION FUNCTION DLADIV2( A, B, C, D, R, T ) |
* |
* |
* -- LAPACK auxiliary routine (version 3.6.0) -- |
* -- LAPACK auxiliary routine (version 3.7.0) -- |
* -- 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..-- |
* January 2013 |
* January 2013 |