1/*-
2 * Copyright (c) 2001-2011 The FreeBSD Project.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
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#pragma GCC visibility push(default)
63
64double		cabs(double complex);
65float		cabsf(float complex);
66long double	cabsl(long double complex);
67double complex	cacos(double complex);
68float complex	cacosf(float complex);
69double complex	cacosh(double complex);
70float complex	cacoshf(float complex);
71double		carg(double complex);
72float		cargf(float complex);
73long double	cargl(long double complex);
74double complex	casin(double complex);
75float complex	casinf(float complex);
76double complex	casinh(double complex);
77float complex	casinhf(float complex);
78double complex	catan(double complex);
79float complex	catanf(float complex);
80double complex	catanh(double complex);
81float complex	catanhf(float complex);
82double complex	ccos(double complex);
83float complex	ccosf(float complex);
84double complex	ccosh(double complex);
85float complex	ccoshf(float complex);
86double complex	cexp(double complex);
87float complex	cexpf(float complex);
88double		cimag(double complex) __pure2;
89float		cimagf(float complex) __pure2;
90long double	cimagl(long double complex) __pure2;
91double complex	conj(double complex) __pure2;
92float complex	conjf(float complex) __pure2;
93long double complex
94		conjl(long double complex) __pure2;
95float complex	cprojf(float complex) __pure2;
96double complex	cproj(double complex) __pure2;
97long double complex
98		cprojl(long double complex) __pure2;
99double		creal(double complex) __pure2;
100float		crealf(float complex) __pure2;
101long double	creall(long double complex) __pure2;
102double complex	csin(double complex);
103float complex	csinf(float complex);
104double complex	csinh(double complex);
105float complex	csinhf(float complex);
106double complex	csqrt(double complex);
107float complex	csqrtf(float complex);
108long double complex
109		csqrtl(long double complex);
110double complex	ctan(double complex);
111float complex	ctanf(float complex);
112double complex	ctanh(double complex);
113float complex	ctanhf(float complex);
114
115#pragma GCC visibility pop
116__END_DECLS
117
118#endif /* _COMPLEX_H */
119