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 * $FreeBSD$ 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 44 double cabs(double complex); 45 float cabsf(float complex); 46 double cimag(double complex); 47 float cimagf(float complex); 48 double creal(double complex); 49 float 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