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 #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 cimag(double complex); 49 float cimagf(float complex); 50 long double cimagl(long double complex); 51 double complex conj(double complex); 52 float complex conjf(float complex); 53 long double complex 54 conjl(long double complex); 55 double creal(double complex); 56 float crealf(float complex); 57 long double creall(long double complex); 58 59 __END_DECLS 60 61 #endif /* _COMPLEX_H */ 62