GRASS GIS 8 Programmer's Manual 8.3.2(2024)-exported
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hconj.c
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1/* hconj.c CCMATH mathematics library source code.
2 *
3 * Copyright (C) 2000 Daniel A. Atkinson All rights reserved.
4 * This code may be redistributed under the terms of the GNU library
5 * public license (LGPL). ( See the lgpl.license file for details.)
6 * ------------------------------------------------------------------------
7 */
8
9#include "ccmath.h"
10
11void hconj(Cpx *a, int n)
12{
13 Cpx s, *p, *q;
14
15 int i, j, e;
16
17 for (i = 0, e = n - 1; i < n; ++i, --e, a += n + 1) {
18 for (j = 0, p = a + 1, q = a + n; j < e; ++j) {
19 s = *p;
20 s.im = -s.im;
21 p->re = q->re;
22 (p++)->im = -q->im;
23 *q = s;
24 q += n;
25 }
26 a->im = -a->im;
27 }
28}
void hconj(Cpx *a, int n)
Definition hconj.c:11
double re
Definition ccmath.h:39
double im
Definition ccmath.h:39