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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/* ../../../dependencies/lapack/src/zladiv.f -- translated by f2c (version 20061008).
You must link the resulting object file with libf2c:
on Microsoft Windows system, link with libf2c.lib;
on Linux or Unix systems, link with .../path/to/libf2c.a -lm
or, if you install libf2c.a in a standard place, with -lf2c -lm
-- in that order, at the end of the command line, as in
cc *.o -lf2c -lm
Source for libf2c is in /netlib/f2c/libf2c.zip, e.g.,
http://www.netlib.org/f2c/libf2c.zip
*/
#include "f2c.h"
/* Double Complex */ VOID zladiv_(doublecomplex * ret_val, doublecomplex *x,
doublecomplex *y)
{
/* System generated locals */
doublereal d__1, d__2, d__3, d__4;
doublecomplex z__1;
/* Builtin functions */
double d_imag(doublecomplex *);
/* Local variables */
static doublereal zi, zr;
extern /* Subroutine */ int dladiv_(doublereal *, doublereal *,
doublereal *, doublereal *, doublereal *, doublereal *);
/* -- LAPACK auxiliary routine (version 3.0) -- */
/* Univ. of Tennessee, Univ. of California Berkeley, NAG Ltd., */
/* Courant Institute, Argonne National Lab, and Rice University */
/* October 31, 1992 */
/* .. Scalar Arguments .. */
/* .. */
/* 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 .. */
/* .. */
/* .. External Subroutines .. */
/* .. */
/* .. Intrinsic Functions .. */
/* .. */
/* .. Executable Statements .. */
d__1 = x->r;
d__2 = d_imag(x);
d__3 = y->r;
d__4 = d_imag(y);
dladiv_(&d__1, &d__2, &d__3, &d__4, &zr, &zi);
z__1.r = zr, z__1.i = zi;
ret_val->r = z__1.r, ret_val->i = z__1.i;
return ;
/* End of ZLADIV */
} /* zladiv_ */
|
