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
|
/* Copyright (C) 2016, 2017 D.V. Wiebe
*
***************************************************************************
*
* This file is part of the GetData project.
*
* GetData is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* GetData is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with GetData; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "test.h"
int main(void)
{
const char *filedir = "dirfile";
const char *format = "dirfile/format";
const char *data = "dirfile/data";
double d1[2], d2[2];
int r = 0;
size_t n1, n2;
DIRFILE *D;
rmdirfile();
mkdir(filedir, 0700);
MAKEFORMATFILE(format,
"div RECIP data 2.\n"
"cdiv RECIP data 3;4\n"
"data RAW COMPLEX128 1\n");
MAKEDATAFILE(data, double, i, 256);
D = gd_open(filedir, GD_RDONLY | GD_VERBOSE);
n1 = gd_getdata(D, "div", 5, 0, 1, 0, GD_COMPLEX128, d1);
CHECKU(n1, 1);
/* a / (c + id) = ac / (cc + dd) - i ad / (cc + dd) */
CHECKF(d1[0], 2 * 10. / (10. * 10 + 11. * 11));
CHECKF(d1[1], -2 * 11. / (10. * 10 + 11. * 11));
n2 = gd_getdata(D, "cdiv", 10, 0, 1, 0, GD_COMPLEX128, d2);
CHECKU(n2, 1);
/* (a + ib) / (c + id) = (ac - bd) / (cc + dd) + i (bc - ad) / (cc + dd) */
CHECKF(d2[0], (3 * 20. + 4 * 21.) / (20. * 20 + 21. * 21));
CHECKF(d2[1], (4 * 20. - 3 * 21.) / (20. * 20 + 21. * 21));
gd_discard(D);
unlink(data);
unlink(format);
rmdir(filedir);
return r;
}
|
