| 1 | *> \brief \b CLADIV
|
|---|
| 2 | *
|
|---|
| 3 | * =========== DOCUMENTATION ===========
|
|---|
| 4 | *
|
|---|
| 5 | * Online html documentation available at
|
|---|
| 6 | * http://www.netlib.org/lapack/explore-html/
|
|---|
| 7 | *
|
|---|
| 8 | *> \htmlonly
|
|---|
| 9 | *> Download CLADIV + dependencies
|
|---|
| 10 | *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/cladiv.f">
|
|---|
| 11 | *> [TGZ]</a>
|
|---|
| 12 | *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/cladiv.f">
|
|---|
| 13 | *> [ZIP]</a>
|
|---|
| 14 | *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/cladiv.f">
|
|---|
| 15 | *> [TXT]</a>
|
|---|
| 16 | *> \endhtmlonly
|
|---|
| 17 | *
|
|---|
| 18 | * Definition:
|
|---|
| 19 | * ===========
|
|---|
| 20 | *
|
|---|
| 21 | * COMPLEX FUNCTION CLADIV( X, Y )
|
|---|
| 22 | *
|
|---|
| 23 | * .. Scalar Arguments ..
|
|---|
| 24 | * COMPLEX X, Y
|
|---|
| 25 | * ..
|
|---|
| 26 | *
|
|---|
| 27 | *
|
|---|
| 28 | *> \par Purpose:
|
|---|
| 29 | * =============
|
|---|
| 30 | *>
|
|---|
| 31 | *> \verbatim
|
|---|
| 32 | *>
|
|---|
| 33 | *> CLADIV := X / Y, where X and Y are complex. The computation of X / Y
|
|---|
| 34 | *> will not overflow on an intermediary step unless the results
|
|---|
| 35 | *> overflows.
|
|---|
| 36 | *> \endverbatim
|
|---|
| 37 | *
|
|---|
| 38 | * Arguments:
|
|---|
| 39 | * ==========
|
|---|
| 40 | *
|
|---|
| 41 | *> \param[in] X
|
|---|
| 42 | *> \verbatim
|
|---|
| 43 | *> X is COMPLEX
|
|---|
| 44 | *> \endverbatim
|
|---|
| 45 | *>
|
|---|
| 46 | *> \param[in] Y
|
|---|
| 47 | *> \verbatim
|
|---|
| 48 | *> Y is COMPLEX
|
|---|
| 49 | *> The complex scalars X and Y.
|
|---|
| 50 | *> \endverbatim
|
|---|
| 51 | *
|
|---|
| 52 | * Authors:
|
|---|
| 53 | * ========
|
|---|
| 54 | *
|
|---|
| 55 | *> \author Univ. of Tennessee
|
|---|
| 56 | *> \author Univ. of California Berkeley
|
|---|
| 57 | *> \author Univ. of Colorado Denver
|
|---|
| 58 | *> \author NAG Ltd.
|
|---|
| 59 | *
|
|---|
| 60 | *> \date November 2011
|
|---|
| 61 | *
|
|---|
| 62 | *> \ingroup complexOTHERauxiliary
|
|---|
| 63 | *
|
|---|
| 64 | * =====================================================================
|
|---|
| 65 | COMPLEX FUNCTION CLADIV( X, Y )
|
|---|
| 66 | *
|
|---|
| 67 | * -- LAPACK auxiliary routine (version 3.4.0) --
|
|---|
| 68 | * -- LAPACK is a software package provided by Univ. of Tennessee, --
|
|---|
| 69 | * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
|
|---|
| 70 | * November 2011
|
|---|
| 71 | *
|
|---|
| 72 | * .. Scalar Arguments ..
|
|---|
| 73 | COMPLEX X, Y
|
|---|
| 74 | * ..
|
|---|
| 75 | *
|
|---|
| 76 | * =====================================================================
|
|---|
| 77 | *
|
|---|
| 78 | * .. Local Scalars ..
|
|---|
| 79 | REAL ZI, ZR
|
|---|
| 80 | * ..
|
|---|
| 81 | * .. External Subroutines ..
|
|---|
| 82 | EXTERNAL SLADIV
|
|---|
| 83 | * ..
|
|---|
| 84 | * .. Intrinsic Functions ..
|
|---|
| 85 | INTRINSIC AIMAG, CMPLX, REAL
|
|---|
| 86 | * ..
|
|---|
| 87 | * .. Executable Statements ..
|
|---|
| 88 | *
|
|---|
| 89 | CALL SLADIV( REAL( X ), AIMAG( X ), REAL( Y ), AIMAG( Y ), ZR,
|
|---|
| 90 | $ ZI )
|
|---|
| 91 | CLADIV = CMPLX( ZR, ZI )
|
|---|
| 92 | *
|
|---|
| 93 | RETURN
|
|---|
| 94 | *
|
|---|
| 95 | * End of CLADIV
|
|---|
| 96 | *
|
|---|
| 97 | END
|
|---|
