blob: 4a12055ebfb656c69f8726f06f8a243c3ff5c30d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
COMPLEX*16 FUNCTION ZLADIV( X, Y )
*
* -- LAPACK auxiliary routine (version 3.1) --
* Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd..
* November 2006
*
* .. Scalar Arguments ..
COMPLEX*16 X, Y
* ..
*
* Purpose
* =======
*
* 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.
*
* Arguments
* =========
*
* X (input) COMPLEX*16
* Y (input) COMPLEX*16
* The complex scalars X and 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
|
