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| author |  Gael Guennebaud <g.gael@free.fr> | 2013-06-12 10:12:50 +0200 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2013-06-12 10:12:50 +0200 |
| commit | 827843bbbdb5a27019d7d679f371a3a69053c762 (patch) | |
| tree | 21fb96e9f4d721dac0e2248ce93b07a86d090ad8 /lapack/zladiv.f | |
| parent | 76f48205603ba1ea89022dff9537383171d69d53 (diff) | |
Complete the lapack interface to make it complete enough for suitesparse QR.
Diffstat (limited to 'lapack/zladiv.f')
| -rw-r--r-- | lapack/zladiv.f | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/lapack/zladiv.f b/lapack/zladiv.f new file mode 100644 index 000000000..aa71db14a --- /dev/null +++ b/lapack/zladiv.f @@ -0,0 +1,97 @@ +*> \brief \b ZLADIV +* +* =========== DOCUMENTATION =========== +* +* Online html documentation available at +* http://www.netlib.org/lapack/explore-html/ +* +*> \htmlonly +*> Download ZLADIV + dependencies +*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zladiv.f"> +*> [TGZ]</a> +*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zladiv.f"> +*> [ZIP]</a> +*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zladiv.f"> +*> [TXT]</a> +*> \endhtmlonly +* +* Definition: +* =========== +* +* COMPLEX*16 FUNCTION ZLADIV( X, Y ) +* +* .. Scalar Arguments .. +* COMPLEX*16 X, Y +* .. +* +* +*> \par Purpose: +* ============= +*> +*> \verbatim +*> +*> ZLADIV := X / Y, where X and Y are complex. The computation of X / Y +*> will not overflow on an intermediary step unless the results +*> overflows. +*> \endverbatim +* +* Arguments: +* ========== +* +*> \param[in] X +*> \verbatim +*> X is COMPLEX*16 +*> \endverbatim +*> +*> \param[in] Y +*> \verbatim +*> Y is COMPLEX*16 +*> The complex scalars X and Y. +*> \endverbatim +* +* Authors: +* ======== +* +*> \author Univ. of Tennessee +*> \author Univ. of California Berkeley +*> \author Univ. of Colorado Denver +*> \author NAG Ltd. +* +*> \date November 2011 +* +*> \ingroup complex16OTHERauxiliary +* +* ===================================================================== + COMPLEX*16 FUNCTION ZLADIV( X, Y ) +* +* -- LAPACK auxiliary routine (version 3.4.0) -- +* -- LAPACK is a software package provided by Univ. of Tennessee, -- +* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- +* November 2011 +* +* .. Scalar Arguments .. + COMPLEX*16 X, Y +* .. +* +* ===================================================================== +* +* .. Local Scalars .. + DOUBLE PRECISION ZI, ZR +* .. +* .. External Subroutines .. + EXTERNAL DLADIV +* .. +* .. Intrinsic Functions .. + INTRINSIC DBLE, DCMPLX, DIMAG +* .. +* .. Executable Statements .. +* + CALL DLADIV( DBLE( X ), DIMAG( X ), DBLE( Y ), DIMAG( Y ), ZR, + $ ZI ) + ZLADIV = DCMPLX( ZR, ZI ) +* + RETURN +* +* End of ZLADIV +* + END |