1 /*- 2 * Copyright (c) 2001-2011 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 #include <sys/cdefs.h> 33 34 #ifdef __GNUC__ 35 #if __STDC_VERSION__ < 199901 36 #define _Complex __complex__ 37 #endif 38 #define _Complex_I ((float _Complex)1.0i) 39 #endif 40 41 #ifdef __generic 42 _Static_assert(__generic(_Complex_I, float _Complex, 1, 0), 43 "_Complex_I must be of type float _Complex"); 44 #endif 45 46 #define complex _Complex 47 #define I _Complex_I 48 49 #if __ISO_C_VISIBLE >= 2011 50 #ifdef __clang__ 51 #define CMPLX(x, y) ((double complex){ x, y }) 52 #define CMPLXF(x, y) ((float complex){ x, y }) 53 #define CMPLXL(x, y) ((long double complex){ x, y }) 54 #elif __GNUC_PREREQ__(4, 7) 55 #define CMPLX(x, y) __builtin_complex((double)(x), (double)(y)) 56 #define CMPLXF(x, y) __builtin_complex((float)(x), (float)(y)) 57 #define CMPLXL(x, y) __builtin_complex((long double)(x), (long double)(y)) 58 #endif 59 #endif /* __ISO_C_VISIBLE >= 2011 */ 60 61 __BEGIN_DECLS 62 63 double cabs(double complex); 64 float cabsf(float complex); 65 long double cabsl(long double complex); 66 double carg(double complex); 67 float cargf(float complex); 68 long double cargl(long double complex); 69 double complex ccos(double complex); 70 float complex ccosf(float complex); 71 double complex ccosh(double complex); 72 float complex ccoshf(float complex); 73 double complex cexp(double complex); 74 float complex cexpf(float complex); 75 double cimag(double complex) __pure2; 76 float cimagf(float complex) __pure2; 77 long double cimagl(long double complex) __pure2; 78 double complex conj(double complex) __pure2; 79 float complex conjf(float complex) __pure2; 80 long double complex 81 conjl(long double complex) __pure2; 82 float complex cprojf(float complex) __pure2; 83 double complex cproj(double complex) __pure2; 84 long double complex 85 cprojl(long double complex) __pure2; 86 double creal(double complex) __pure2; 87 float crealf(float complex) __pure2; 88 long double creall(long double complex) __pure2; 89 double complex csin(double complex); 90 float complex csinf(float complex); 91 double complex csinh(double complex); 92 float complex csinhf(float complex); 93 double complex csqrt(double complex); 94 float complex csqrtf(float complex); 95 long double complex 96 csqrtl(long double complex); 97 double complex ctan(double complex); 98 float complex ctanf(float complex); 99 double complex ctanh(double complex); 100 float complex ctanhf(float complex); 101 102 __END_DECLS 103 104 #endif /* _COMPLEX_H */ 105