complex.h revision 93032
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: head/include/complex.h 93032 2002-03-23 17:24:55Z imp $ 27 */ 28 29#ifndef _COMPLEX_H 30#define _COMPLEX_H 31 32#ifdef __GNUC__ 33#define _Complex __complex__ 34#define _Complex_I 1.0fi 35#endif 36 37#define complex _Complex 38#define I _Complex_I 39 40#include <sys/cdefs.h> 41 42__BEGIN_DECLS 43 44double cabs(double complex); 45float cabsf(float complex); 46double cimag(double complex); 47float cimagf(float complex); 48double creal(double complex); 49float crealf(float complex); 50 51__END_DECLS 52 53#ifdef __GNUC__ 54#define cimag(z) (__imag__ (z)) 55#define cimagf(z) (__imag__ (z)) 56#define creal(z) (__real__ (z)) 57#define crealf(z) (__real__ (z)) 58#endif 59 60#endif /* _COMPLEX_H */ 61