1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 * $FreeBSD$
29 */
30
31#ifndef _COMPLEX_H
32#define	_COMPLEX_H
33
34#include <sys/cdefs.h>
35
36#ifdef __GNUC__
37#if __STDC_VERSION__ < 199901
38#define	_Complex	__complex__
39#endif
40#define	_Complex_I	((float _Complex)1.0i)
41#endif
42
43#ifdef __generic
44_Static_assert(__generic(_Complex_I, float _Complex, 1, 0),
45    "_Complex_I must be of type float _Complex");
46#endif
47
48#define	complex		_Complex
49#define	I		_Complex_I
50
51#if __ISO_C_VISIBLE >= 2011
52#ifdef __clang__
53#define	CMPLX(x, y)	((double complex){ x, y })
54#define	CMPLXF(x, y)	((float complex){ x, y })
55#define	CMPLXL(x, y)	((long double complex){ x, y })
56#elif __GNUC_PREREQ__(4, 7)
57#define	CMPLX(x, y)	__builtin_complex((double)(x), (double)(y))
58#define	CMPLXF(x, y)	__builtin_complex((float)(x), (float)(y))
59#define	CMPLXL(x, y)	__builtin_complex((long double)(x), (long double)(y))
60#endif
61#endif /* __ISO_C_VISIBLE >= 2011 */
62
63__BEGIN_DECLS
64
65double		cabs(double complex);
66float		cabsf(float complex);
67long double	cabsl(long double complex);
68double complex	cacos(double complex);
69float complex	cacosf(float complex);
70double complex	cacosh(double complex);
71float complex	cacoshf(float complex);
72long double complex
73		cacoshl(long double complex);
74long double complex
75		cacosl(long double complex);
76double		carg(double complex);
77float		cargf(float complex);
78long double	cargl(long double complex);
79double complex	casin(double complex);
80float complex	casinf(float complex);
81double complex	casinh(double complex);
82float complex	casinhf(float complex);
83long double complex
84		casinhl(long double complex);
85long double complex
86		casinl(long double complex);
87double complex	catan(double complex);
88float complex	catanf(float complex);
89double complex	catanh(double complex);
90float complex	catanhf(float complex);
91long double complex
92		catanhl(long double complex);
93long double complex
94		catanl(long double complex);
95double complex	ccos(double complex);
96float complex	ccosf(float complex);
97double complex	ccosh(double complex);
98float complex	ccoshf(float complex);
99double complex	cexp(double complex);
100float complex	cexpf(float 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 */
139