Merge from vendor branch GCC:
[dragonfly.git] / include / complex.h
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1/*-
2 * Copyright (c) 2001 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: src/include/complex.h,v 1.1.2.1 2001/11/23 16:16:18 dd Exp $
7c4af8e1 27 * $DragonFly: src/include/complex.h,v 1.3 2003/11/14 01:01:43 dillon Exp $
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28 */
29
30#ifndef _COMPLEX_H
31#define _COMPLEX_H
32
33#ifdef __GNUC__
34#define _Complex __complex__
35#define _Complex_I 1.0fi
36#endif
37
38#define complex _Complex
39#define I _Complex_I
40
41#include <sys/cdefs.h>
42
43__BEGIN_DECLS
44
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45double cabs (double complex);
46float cabsf (float complex);
47double cimag (double complex);
48float cimagf (float complex);
49double creal (double complex);
50float crealf (float complex);
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51
52__END_DECLS
53
54#ifdef __GNUC__
55#define cimag(z) (__imag__ (z))
56#define cimagf(z) (__imag__ (z))
57#define creal(z) (__real__ (z))
58#define crealf(z) (__real__ (z))
59#endif
60
61#endif /* _COMPLEX_H */