blob: 87512b7c5815b6798d623eea62ed4b9742e6601f [file] [log] [blame]
yuezonghe824eb0c2024-06-27 02:32:26 -07001/*
2 * Copyright (c) 2011 William Pitcock <nenolod@dereferenced.org>
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
9 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
10 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
11 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
12 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
13 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
14 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
15 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
16 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
17 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
18 * POSSIBILITY OF SUCH DAMAGE.
19 */
20
21#include <features.h>
22#include <math.h>
23#include <complex.h>
24
25__complex__ double cexp(__complex__ double z)
26{
27 __complex__ double ret;
28 double r_exponent = exp(__real__ z);
29
30 __real__ ret = r_exponent * cos(__imag__ z);
31 __imag__ ret = r_exponent * sin(__imag__ z);
32
33 return ret;
34}
35libm_hidden_def(cexp)
36
37libm_hidden_proto(cexpf)
38__complex__ float cexpf(__complex__ float z)
39{
40 __complex__ float ret;
41 double r_exponent = exp(__real__ z);
42
43 __real__ ret = r_exponent * cosf(__imag__ z);
44 __imag__ ret = r_exponent * sinf(__imag__ z);
45
46 return ret;
47}
48libm_hidden_def(cexpf)
49
50#if defined __UCLIBC_HAS_LONG_DOUBLE_MATH__ && !defined __NO_LONG_DOUBLE_MATH
51libm_hidden_proto(cexpl)
52__complex__ long double cexpl(__complex__ long double z)
53{
54 __complex__ long double ret;
55 long double r_exponent = expl(__real__ z);
56
57 __real__ ret = r_exponent * cosl(__imag__ z);
58 __imag__ ret = r_exponent * sinl(__imag__ z);
59
60 return ret;
61}
62libm_hidden_def(cexpl)
63#endif