xref: /freebsd/include/complex.h (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
1 /*-
2  * Copyright (c) 2001-2007 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 #ifdef __GNUC__
33 #if __STDC_VERSION__ < 199901
34 #define	_Complex	__complex__
35 #endif
36 #define	_Complex_I	1.0fi
37 #endif
38 
39 #define	complex		_Complex
40 #define	I		_Complex_I
41 
42 #include <sys/cdefs.h>
43 
44 __BEGIN_DECLS
45 
46 double		cabs(double complex);
47 float		cabsf(float complex);
48 double		carg(double complex);
49 float		cargf(float complex);
50 double		cimag(double complex);
51 float		cimagf(float complex);
52 long double	cimagl(long double complex);
53 double complex	conj(double complex);
54 float complex	conjf(float complex);
55 long double complex
56 		conjl(long double complex);
57 double		creal(double complex);
58 float		crealf(float complex);
59 long double	creall(long double complex);
60 double complex	csqrt(double complex);
61 float complex	csqrtf(float complex);
62 
63 __END_DECLS
64 
65 #endif /* _COMPLEX_H */
66