1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2001-2011 The FreeBSD Project.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef _COMPLEX_H
30#define _COMPLEX_H
31
32#include <sys/cdefs.h>
33
34#ifdef __GNUC__
35#if __STDC_VERSION__ < 199901
36#define _Complex __complex__
37#endif
38#define _Complex_I ((float _Complex)1.0i)
39#endif
40
41#ifdef __generic
42_Static_assert(__generic(_Complex_I, float _Complex, 1, 0),
43 "_Complex_I must be of type float _Complex");
44#endif
45
46#define complex _Complex
47#define I _Complex_I
48
49#if __ISO_C_VISIBLE >= 2011
50#ifdef __clang__
51#define CMPLX(x, y) ((double complex){ x, y })
52#define CMPLXF(x, y) ((float complex){ x, y })
53#define CMPLXL(x, y) ((long double complex){ x, y })
54#elif __GNUC_PREREQ__(4, 7)
55#define CMPLX(x, y) __builtin_complex((double)(x), (double)(y))
56#define CMPLXF(x, y) __builtin_complex((float)(x), (float)(y))
57#define CMPLXL(x, y) __builtin_complex((long double)(x), (long double)(y))
58#endif
59#endif /* __ISO_C_VISIBLE >= 2011 */
60
61__BEGIN_DECLS
62
63double cabs(double complex);
64float cabsf(float complex);
65long double cabsl(long double complex);
66double complex cacos(double complex);
67float complex cacosf(float complex);
68double complex cacosh(double complex);
69float complex cacoshf(float complex);
70long double complex
71 cacoshl(long double complex);
72long double complex
73 cacosl(long double complex);
74double carg(double complex);
75float cargf(float complex);
76long double cargl(long double complex);
77double complex casin(double complex);
78float complex casinf(float complex);
79double complex casinh(double complex);
80float complex casinhf(float complex);
81long double complex
82 casinhl(long double complex);
83long double complex
84 casinl(long double complex);
85double complex catan(double complex);
86float complex catanf(float complex);
87double complex catanh(double complex);
88float complex catanhf(float complex);
89long double complex
90 catanhl(long double complex);
91long double complex
92 catanl(long double complex);
93double complex ccos(double complex);
94float complex ccosf(float complex);
95double complex ccosh(double complex);
96float complex ccoshf(float complex);
97double complex cexp(double complex);
98float complex cexpf(float complex);
99long double complex
100 cexpl(long double complex);
101double cimag(double complex) __pure2;
102float cimagf(float complex) __pure2;
103long double cimagl(long double complex) __pure2;
104double complex clog(double complex);
105float complex clogf(float complex);
106long double complex
107 clogl(long double complex);
108double complex conj(double complex) __pure2;
109float complex conjf(float complex) __pure2;
110long double complex
111 conjl(long double complex) __pure2;
112float complex cpowf(float complex, float complex);
113double complex cpow(double complex, double complex);
114long double complex
115 cpowl(long double complex, long double complex);
116float complex cprojf(float complex) __pure2;
117double complex cproj(double complex) __pure2;
118long double complex
119 cprojl(long double complex) __pure2;
120double creal(double complex) __pure2;
121float crealf(float complex) __pure2;
122long double creall(long double complex) __pure2;
123double complex csin(double complex);
124float complex csinf(float complex);
125double complex csinh(double complex);
126float complex csinhf(float complex);
127double complex csqrt(double complex);
128float complex csqrtf(float complex);
129long double complex
130 csqrtl(long double complex);
131double complex ctan(double complex);
132float complex ctanf(float complex);
133double complex ctanh(double complex);
134float complex ctanhf(float complex);
135
136__END_DECLS
137
138#endif /* _COMPLEX_H */