1 /* APPLE LOCAL file mainline 2007-06-12 2872232 */ 2 /* Copyright (C) 2004 3 Free Software Foundation, Inc. 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 2, or (at your option) 10 any later version. 11 12 GCC is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GCC; see the file COPYING. If not, write to 19 the Free Software Foundation, 59 Temple Place - Suite 330, 20 Boston, MA 02111-1307, USA. */ 21 22 /* As a special exception, if you include this header file into source 23 files compiled by GCC, this header file does not by itself cause 24 the resulting executable to be covered by the GNU General Public 25 License. This exception does not however invalidate any other 26 reasons why the executable file might be covered by the GNU General 27 Public License. */ 28 29 /* 30 * ISO C Standard: 7.22 Type-generic math <tgmath.h> 31 */ 32 33 #ifndef _TGMATH_H 34 #define _TGMATH_H 35 36 #include <math.h> 37 38 #ifndef __cplusplus 39 #include <complex.h> 40 41 /* Naming convention: generic macros are defining using 42 __TGMATH_CPLX*, __TGMATH_REAL*, and __TGMATH_CPLX_ONLY. _CPLX 43 means the generic argument(s) may be real or complex, _REAL means 44 real only, _CPLX means complex only. If there is no suffix, we are 45 defining a function of one generic argument. If the suffix is _n 46 it is a function of n generic arguments. If the suffix is _m_n it 47 is a function of n arguments, the first m of which are generic. We 48 only define these macros for values of n and/or m that are needed. */ 49 50 /* The general rules for generic macros are given in 7.22 paragraphs 1 and 2. 51 If any generic parameter is complex, we use a complex version. Otherwise 52 we use a real version. If the real part of any generic parameter is long 53 double, we use the long double version. Otherwise if the real part of any 54 generic paramter is double or of integer type, we use the double version. 55 Otherwise we use the float version. */ 56 57 #define __tg_cplx(expr) \ 58 __builtin_classify_type(expr) == 9 59 60 #define __tg_ldbl(expr) \ 61 __builtin_types_compatible_p(__typeof__(expr), long double) 62 63 #define __tg_dbl(expr) \ 64 (__builtin_types_compatible_p(__typeof__(expr), double) \ 65 || __builtin_classify_type(expr) == 1) 66 67 #define __tg_choose(x,f,d,l) \ 68 __builtin_choose_expr(__tg_ldbl(x), l, \ 69 __builtin_choose_expr(__tg_dbl(x), d, \ 70 f)) 71 72 #define __tg_choose_2(x,y,f,d,l) \ 73 __builtin_choose_expr(__tg_ldbl(x) || __tg_ldbl(y), l, \ 74 __builtin_choose_expr(__tg_dbl(x) || __tg_dbl(y), d, \ 75 f)) 76 77 #define __tg_choose_3(x,y,z,f,d,l) \ 78 __builtin_choose_expr(__tg_ldbl(x) || __tg_ldbl(y) || __tg_ldbl(z), l, \ 79 __builtin_choose_expr(__tg_dbl(x) || __tg_dbl(y) \ 80 || __tg_dbl(z), d, \ 81 f)) 82 83 #define __TGMATH_CPLX(z,R,C) \ 84 __builtin_choose_expr (__tg_cplx(z), \ 85 __tg_choose (__real__(z), C##f(z), (C)(z), C##l(z)), \ 86 /* APPLE LOCAL shorten-64-to-32 4604239 */ \ 87 __tg_choose (z, R##f((float)(z)), (R)(z), R##l(z))) 88 89 #define __TGMATH_CPLX_2(z1,z2,R,C) \ 90 __builtin_choose_expr (__tg_cplx(z1) || __tg_cplx(z2), \ 91 __tg_choose_2 (__real__(z1), __real__(z2), \ 92 C##f(z1,z2), (C)(z1,z2), C##l(z1,z2)), \ 93 __tg_choose_2 (z1, z2, \ 94 /* APPLE LOCAL shorten-64-to-32 5909621 */ \ 95 R##f((float)(z1),(float)(z2)), (R)(z1,z2), R##l(z1,z2))) 96 97 #define __TGMATH_REAL(x,R) \ 98 /* APPLE LOCAL shorten-64-to-32 5909621 */ \ 99 __tg_choose (x, R##f((float)(x)), (R)(x), R##l(x)) 100 #define __TGMATH_REAL_2(x,y,R) \ 101 /* APPLE LOCAL shorten-64-to-32 4604239 */ \ 102 __tg_choose_2 (x, y, R##f((float)(x),(float)(y)), (R)(x,y), R##l(x,y)) 103 #define __TGMATH_REAL_3(x,y,z,R) \ 104 /* APPLE LOCAL shorten-64-to-32 5909621 */ \ 105 __tg_choose_3 (x, y, z, R##f((float)(x),(float)(y),(float)(z)), (R)(x,y,z), R##l(x,y,z)) 106 #define __TGMATH_REAL_1_2(x,y,R) \ 107 /* APPLE LOCAL shorten-64-to-32 5909621 */ \ 108 __tg_choose (x, R##f((float)(x),y), (R)(x,y), R##l(x,y)) 109 #define __TGMATH_REAL_2_3(x,y,z,R) \ 110 /* APPLE LOCAL shorten-64-to-32 5909621 */ \ 111 __tg_choose_2 (x, y, R##f((float)(x),(float)(y),z), (R)(x,y,z), R##l(x,y,z)) 112 #define __TGMATH_CPLX_ONLY(z,C) \ 113 __tg_choose (__real__(z), C##f(z), (C)(z), C##l(z)) 114 115 /* Functions defined in both <math.h> and <complex.h> (7.22p4) */ 116 #define acos(z) __TGMATH_CPLX(z, acos, cacos) 117 #define asin(z) __TGMATH_CPLX(z, asin, casin) 118 #define atan(z) __TGMATH_CPLX(z, atan, catan) 119 #define acosh(z) __TGMATH_CPLX(z, acosh, cacosh) 120 #define asinh(z) __TGMATH_CPLX(z, asinh, casinh) 121 #define atanh(z) __TGMATH_CPLX(z, atanh, catanh) 122 #define cos(z) __TGMATH_CPLX(z, cos, ccos) 123 #define sin(z) __TGMATH_CPLX(z, sin, csin) 124 #define tan(z) __TGMATH_CPLX(z, tan, ctan) 125 #define cosh(z) __TGMATH_CPLX(z, cosh, ccosh) 126 #define sinh(z) __TGMATH_CPLX(z, sinh, csinh) 127 #define tanh(z) __TGMATH_CPLX(z, tanh, ctanh) 128 #define exp(z) __TGMATH_CPLX(z, exp, cexp) 129 #define log(z) __TGMATH_CPLX(z, log, clog) 130 #define pow(z1,z2) __TGMATH_CPLX_2(z1, z2, pow, cpow) 131 #define sqrt(z) __TGMATH_CPLX(z, sqrt, csqrt) 132 #define fabs(z) __TGMATH_CPLX(z, fabs, cabs) 133 134 /* Functions defined in <math.h> only (7.22p5) */ 135 #define atan2(x,y) __TGMATH_REAL_2(x, y, atan2) 136 #define cbrt(x) __TGMATH_REAL(x, cbrt) 137 #define ceil(x) __TGMATH_REAL(x, ceil) 138 #define copysign(x,y) __TGMATH_REAL_2(x, y, copysign) 139 #define erf(x) __TGMATH_REAL(x, erf) 140 #define erfc(x) __TGMATH_REAL(x, erfc) 141 #define exp2(x) __TGMATH_REAL(x, exp2) 142 #define expm1(x) __TGMATH_REAL(x, expm1) 143 #define fdim(x,y) __TGMATH_REAL_2(x, y, fdim) 144 #define floor(x) __TGMATH_REAL(x, floor) 145 #define fma(x,y,z) __TGMATH_REAL_3(x, y, z, fma) 146 #define fmax(x,y) __TGMATH_REAL_2(x, y, fmax) 147 #define fmin(x,y) __TGMATH_REAL_2(x, y, fmin) 148 #define fmod(x,y) __TGMATH_REAL_2(x, y, fmod) 149 #define frexp(x,y) __TGMATH_REAL_1_2(x, y, frexp) 150 #define hypot(x,y) __TGMATH_REAL_2(x, y, hypot) 151 #define ilogb(x) __TGMATH_REAL(x, ilogb) 152 #define ldexp(x,y) __TGMATH_REAL_1_2(x, y, ldexp) 153 #define lgamma(x) __TGMATH_REAL(x, lgamma) 154 #define llrint(x) __TGMATH_REAL(x, llrint) 155 #define llround(x) __TGMATH_REAL(x, llround) 156 #define log10(x) __TGMATH_REAL(x, log10) 157 #define log1p(x) __TGMATH_REAL(x, log1p) 158 #define log2(x) __TGMATH_REAL(x, log2) 159 #define logb(x) __TGMATH_REAL(x, logb) 160 #define lrint(x) __TGMATH_REAL(x, lrint) 161 #define lround(x) __TGMATH_REAL(x, lround) 162 #define nearbyint(x) __TGMATH_REAL(x, nearbyint) 163 #define nextafter(x,y) __TGMATH_REAL_2(x, y, nextafter) 164 #define nexttoward(x,y) __TGMATH_REAL_1_2(x, y, nexttoward) 165 #define remainder(x,y) __TGMATH_REAL_2(x, y, remainder) 166 #define remquo(x,y,z) __TGMATH_REAL_2_3(x, y, z, remquo) 167 #define rint(x) __TGMATH_REAL(x, rint) 168 #define round(x) __TGMATH_REAL(x, round) 169 #define scalbn(x,y) __TGMATH_REAL_1_2(x, y, scalbn) 170 #define scalbln(x,y) __TGMATH_REAL_1_2(x, y, scalbln) 171 #define tgamma(x) __TGMATH_REAL(x, tgamma) 172 #define trunc(x) __TGMATH_REAL(x, trunc) 173 174 /* Functions defined in <complex.h> only (7.22p6) */ 175 #define carg(z) __TGMATH_CPLX_ONLY(z, carg) 176 #define cimag(z) __TGMATH_CPLX_ONLY(z, cimag) 177 #define conj(z) __TGMATH_CPLX_ONLY(z, conj) 178 #define cproj(z) __TGMATH_CPLX_ONLY(z, cproj) 179 #define creal(z) __TGMATH_CPLX_ONLY(z, creal) 180 181 #endif /* __cplusplus */ 182 #endif /* _TGMATH_H */ 183
