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
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);
70double		carg(double complex);
71float		cargf(float complex);
72long double	cargl(long double complex);
73double complex	casin(double complex);
74float complex	casinf(float complex);
75double complex	casinh(double complex);
76float complex	casinhf(float complex);
77double complex	catan(double complex);
78float complex	catanf(float complex);
79double complex	catanh(double complex);
80float complex	catanhf(float complex);
81double complex	ccos(double complex);
82float complex	ccosf(float complex);
83double complex	ccosh(double complex);
84float complex	ccoshf(float complex);
85double complex	cexp(double complex);
86float complex	cexpf(float complex);
87double		cimag(double complex) __pure2;
88float		cimagf(float complex) __pure2;
89long double	cimagl(long double complex) __pure2;
90double complex	conj(double complex) __pure2;
91float complex	conjf(float complex) __pure2;
92long double complex
93		conjl(long double complex) __pure2;
94float complex	cprojf(float complex) __pure2;
95double complex	cproj(double complex) __pure2;
96long double complex
97		cprojl(long double complex) __pure2;
98double		creal(double complex) __pure2;
99float		crealf(float complex) __pure2;
100long double	creall(long double complex) __pure2;
101double complex	csin(double complex);
102float complex	csinf(float complex);
103double complex	csinh(double complex);
104float complex	csinhf(float complex);
105double complex	csqrt(double complex);
106float complex	csqrtf(float complex);
107long double complex
108		csqrtl(long double complex);
109double complex	ctan(double complex);
110float complex	ctanf(float complex);
111double complex	ctanh(double complex);
112float complex	ctanhf(float complex);
113
114__END_DECLS
115
116#endif /* _COMPLEX_H */
117