xref: /freebsd/include/complex.h (revision ca853dee3b8f26f53d48d685f32ec0b8396369e8)
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 
65 double		cabs(double complex);
66 float		cabsf(float complex);
67 long double	cabsl(long double complex);
68 double complex	cacos(double complex);
69 float complex	cacosf(float complex);
70 double complex	cacosh(double complex);
71 float complex	cacoshf(float complex);
72 long double complex
73 		cacoshl(long double complex);
74 long double complex
75 		cacosl(long double complex);
76 double		carg(double complex);
77 float		cargf(float complex);
78 long double	cargl(long double complex);
79 double complex	casin(double complex);
80 float complex	casinf(float complex);
81 double complex	casinh(double complex);
82 float complex	casinhf(float complex);
83 long double complex
84 		casinhl(long double complex);
85 long double complex
86 		casinl(long double complex);
87 double complex	catan(double complex);
88 float complex	catanf(float complex);
89 double complex	catanh(double complex);
90 float complex	catanhf(float complex);
91 long double complex
92 		catanhl(long double complex);
93 long double complex
94 		catanl(long double complex);
95 double complex	ccos(double complex);
96 float complex	ccosf(float complex);
97 double complex	ccosh(double complex);
98 float complex	ccoshf(float complex);
99 double complex	cexp(double complex);
100 float complex	cexpf(float complex);
101 long double complex
102 		cexpl(long double complex);
103 double		cimag(double complex) __pure2;
104 float		cimagf(float complex) __pure2;
105 long double	cimagl(long double complex) __pure2;
106 double complex	clog(double complex);
107 float complex	clogf(float complex);
108 long double complex
109 		clogl(long double complex);
110 double complex	conj(double complex) __pure2;
111 float complex	conjf(float complex) __pure2;
112 long double complex
113 		conjl(long double complex) __pure2;
114 float complex	cpowf(float complex, float complex);
115 double complex	cpow(double complex, double complex);
116 long double complex
117 		cpowl(long double complex, long double complex);
118 float complex	cprojf(float complex) __pure2;
119 double complex	cproj(double complex) __pure2;
120 long double complex
121 		cprojl(long double complex) __pure2;
122 double		creal(double complex) __pure2;
123 float		crealf(float complex) __pure2;
124 long double	creall(long double complex) __pure2;
125 double complex	csin(double complex);
126 float complex	csinf(float complex);
127 double complex	csinh(double complex);
128 float complex	csinhf(float complex);
129 double complex	csqrt(double complex);
130 float complex	csqrtf(float complex);
131 long double complex
132 		csqrtl(long double complex);
133 double complex	ctan(double complex);
134 float complex	ctanf(float complex);
135 double complex	ctanh(double complex);
136 float complex	ctanhf(float complex);
137 
138 __END_DECLS
139 
140 #endif /* _COMPLEX_H */
141