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| 1 | +#ifndef _TGMATH_H |
| 2 | +#define _TGMATH_H |
| 3 | + |
| 4 | +#ifdef __cplusplus |
| 5 | + |
| 6 | +#include <cmath> |
| 7 | + |
| 8 | +#else /* __cplusplus */ |
| 9 | + |
| 10 | +#include <math.h> |
| 11 | + |
| 12 | +#define __tgmath_promote(x) _Generic((x), \ |
| 13 | + float: ((float)0.f), \ |
| 14 | + default: ((double)0.), \ |
| 15 | + long double: ((long double)0.L) \ |
| 16 | +) |
| 17 | + |
| 18 | +/* single argument */ |
| 19 | + |
| 20 | +#define acos(x) _Generic(__tgmath_promote(x), \ |
| 21 | + long double: acosl, \ |
| 22 | + default: acos, \ |
| 23 | + float: acosf \ |
| 24 | +)(x) |
| 25 | + |
| 26 | +#define acosh(x) _Generic(__tgmath_promote(x), \ |
| 27 | + long double: acoshl, \ |
| 28 | + default: acosh, \ |
| 29 | + float: acoshf \ |
| 30 | +)(x) |
| 31 | + |
| 32 | +#define asin(x) _Generic(__tgmath_promote(x), \ |
| 33 | + long double: asinl, \ |
| 34 | + default: asin, \ |
| 35 | + float: asinf \ |
| 36 | +)(x) |
| 37 | + |
| 38 | +#define asinh(x) _Generic(__tgmath_promote(x), \ |
| 39 | + long double: asinhl, \ |
| 40 | + default: asinh, \ |
| 41 | + float: asinhf \ |
| 42 | +)(x) |
| 43 | + |
| 44 | +#define atan(x) _Generic(__tgmath_promote(x), \ |
| 45 | + long double: atanl, \ |
| 46 | + default: atan, \ |
| 47 | + float: atanf \ |
| 48 | +)(x) |
| 49 | + |
| 50 | +#define atanh(x) _Generic(__tgmath_promote(x), \ |
| 51 | + long double: atanhl, \ |
| 52 | + default: atanh, \ |
| 53 | + float: atanhf \ |
| 54 | +)(x) |
| 55 | + |
| 56 | +#define cbrt(x) _Generic(__tgmath_promote(x), \ |
| 57 | + long double: cbrtl, \ |
| 58 | + default: cbrt, \ |
| 59 | + float: cbrtf \ |
| 60 | +)(x) |
| 61 | + |
| 62 | +#define ceil(x) _Generic(__tgmath_promote(x), \ |
| 63 | + long double: ceill, \ |
| 64 | + default: ceil, \ |
| 65 | + float: ceilf \ |
| 66 | +)(x) |
| 67 | + |
| 68 | +#define cos(x) _Generic(__tgmath_promote(x), \ |
| 69 | + long double: cosl, \ |
| 70 | + default: cos, \ |
| 71 | + float: cosf \ |
| 72 | +)(x) |
| 73 | + |
| 74 | +#define cosh(x) _Generic(__tgmath_promote(x), \ |
| 75 | + long double: coshl, \ |
| 76 | + default: cosh, \ |
| 77 | + float: coshf \ |
| 78 | +)(x) |
| 79 | + |
| 80 | +#define erf(x) _Generic(__tgmath_promote(x), \ |
| 81 | + long double: erfl, \ |
| 82 | + default: erf, \ |
| 83 | + float: erff \ |
| 84 | +)(x) |
| 85 | + |
| 86 | +#define erfc(x) _Generic(__tgmath_promote(x), \ |
| 87 | + long double: erfcl, \ |
| 88 | + default: erfc, \ |
| 89 | + float: erfcf \ |
| 90 | +)(x) |
| 91 | + |
| 92 | +#define exp(x) _Generic(__tgmath_promote(x), \ |
| 93 | + long double: expl, \ |
| 94 | + default: exp, \ |
| 95 | + float: expf \ |
| 96 | +)(x) |
| 97 | + |
| 98 | +#define exp2(x) _Generic(__tgmath_promote(x), \ |
| 99 | + long double: exp2l, \ |
| 100 | + default: exp2, \ |
| 101 | + float: exp2f \ |
| 102 | +)(x) |
| 103 | + |
| 104 | +#define expm1(x) _Generic(__tgmath_promote(x), \ |
| 105 | + long double: expm1l, \ |
| 106 | + default: expm1, \ |
| 107 | + float: expm1f \ |
| 108 | +)(x) |
| 109 | + |
| 110 | +#define fabs(x) _Generic(__tgmath_promote(x), \ |
| 111 | + long double: fabsl, \ |
| 112 | + default: fabs, \ |
| 113 | + float: fabsf \ |
| 114 | +)(x) |
| 115 | + |
| 116 | +#define floor(x) _Generic(__tgmath_promote(x), \ |
| 117 | + long double: floorl, \ |
| 118 | + default: floor, \ |
| 119 | + float: floorf \ |
| 120 | +)(x) |
| 121 | + |
| 122 | +#define ilogb(x) _Generic(__tgmath_promote(x), \ |
| 123 | + long double: ilogbl, \ |
| 124 | + default: ilogb, \ |
| 125 | + float: ilogbf \ |
| 126 | +)(x) |
| 127 | + |
| 128 | +#define lgamma(x) _Generic(__tgmath_promote(x), \ |
| 129 | + long double: lgammal, \ |
| 130 | + default: lgamma, \ |
| 131 | + float: lgammaf \ |
| 132 | +)(x) |
| 133 | + |
| 134 | +#define llrint(x) _Generic(__tgmath_promote(x), \ |
| 135 | + long double: llrintl, \ |
| 136 | + default: llrint, \ |
| 137 | + float: llrintf \ |
| 138 | +)(x) |
| 139 | + |
| 140 | +#define llround(x) _Generic(__tgmath_promote(x), \ |
| 141 | + long double: llroundl, \ |
| 142 | + default: llround, \ |
| 143 | + float: llroundf \ |
| 144 | +)(x) |
| 145 | + |
| 146 | +#define log(x) _Generic(__tgmath_promote(x), \ |
| 147 | + long double: logl, \ |
| 148 | + default: log, \ |
| 149 | + float: logf \ |
| 150 | +)(x) |
| 151 | + |
| 152 | +#define log10(x) _Generic(__tgmath_promote(x), \ |
| 153 | + long double: log10l, \ |
| 154 | + default: log10, \ |
| 155 | + float: log10f \ |
| 156 | +)(x) |
| 157 | + |
| 158 | +#define log1p(x) _Generic(__tgmath_promote(x), \ |
| 159 | + long double: log1pl, \ |
| 160 | + default: log1p, \ |
| 161 | + float: log1pf \ |
| 162 | +)(x) |
| 163 | + |
| 164 | +#define log2(x) _Generic(__tgmath_promote(x), \ |
| 165 | + long double: log2l, \ |
| 166 | + default: log2, \ |
| 167 | + float: log2f \ |
| 168 | +)(x) |
| 169 | + |
| 170 | +#define logb(x) _Generic(__tgmath_promote(x), \ |
| 171 | + long double: logbl, \ |
| 172 | + default: logb, \ |
| 173 | + float: logbf \ |
| 174 | +)(x) |
| 175 | + |
| 176 | +#define lrint(x) _Generic(__tgmath_promote(x), \ |
| 177 | + long double: lrintl, \ |
| 178 | + default: lrint, \ |
| 179 | + float: lrintf \ |
| 180 | +)(x) |
| 181 | + |
| 182 | +#define lround(x) _Generic(__tgmath_promote(x), \ |
| 183 | + long double: lroundl, \ |
| 184 | + default: lround, \ |
| 185 | + float: lroundf \ |
| 186 | +)(x) |
| 187 | + |
| 188 | +#define nearbyint(x) _Generic(__tgmath_promote(x), \ |
| 189 | + long double: nearbyintl, \ |
| 190 | + default: nearbyint, \ |
| 191 | + float: nearbyintf \ |
| 192 | +)(x) |
| 193 | + |
| 194 | +#define nextdown(x) _Generic(__tgmath_promote(x), \ |
| 195 | + long double: nextdownl, \ |
| 196 | + default: nextdown, \ |
| 197 | + float: nextdownf \ |
| 198 | +)(x) |
| 199 | + |
| 200 | +#define nextup(x) _Generic(__tgmath_promote(x), \ |
| 201 | + long double: nextupl, \ |
| 202 | + default: nextup, \ |
| 203 | + float: nextupf \ |
| 204 | +)(x) |
| 205 | + |
| 206 | +#define rint(x) _Generic(__tgmath_promote(x), \ |
| 207 | + long double: rintl, \ |
| 208 | + default: rint, \ |
| 209 | + float: rintf \ |
| 210 | +)(x) |
| 211 | + |
| 212 | +#define round(x) _Generic(__tgmath_promote(x), \ |
| 213 | + long double: roundl, \ |
| 214 | + default: round, \ |
| 215 | + float: roundf \ |
| 216 | +)(x) |
| 217 | + |
| 218 | +#define roundeven(x) _Generic(__tgmath_promote(x), \ |
| 219 | + long double: roundevenl, \ |
| 220 | + default: roundeven, \ |
| 221 | + float: roundevenf \ |
| 222 | +)(x) |
| 223 | + |
| 224 | +#define sin(x) _Generic(__tgmath_promote(x), \ |
| 225 | + long double: sinl, \ |
| 226 | + default: sin, \ |
| 227 | + float: sinf \ |
| 228 | +)(x) |
| 229 | + |
| 230 | +#define sinh(x) _Generic(__tgmath_promote(x), \ |
| 231 | + long double: sinhl, \ |
| 232 | + default: sinh, \ |
| 233 | + float: sinhf \ |
| 234 | +)(x) |
| 235 | + |
| 236 | +#define sqrt(x) _Generic(__tgmath_promote(x), \ |
| 237 | + long double: sqrtl, \ |
| 238 | + default: sqrt, \ |
| 239 | + float: sqrtf \ |
| 240 | +)(x) |
| 241 | + |
| 242 | +#define tan(x) _Generic(__tgmath_promote(x), \ |
| 243 | + long double: tanl, \ |
| 244 | + default: tan, \ |
| 245 | + float: tanf \ |
| 246 | +)(x) |
| 247 | + |
| 248 | +#define tanh(x) _Generic(__tgmath_promote(x), \ |
| 249 | + long double: tanhl, \ |
| 250 | + default: tanh, \ |
| 251 | + float: tanhf \ |
| 252 | +)(x) |
| 253 | + |
| 254 | +#define tgamma(x) _Generic(__tgmath_promote(x), \ |
| 255 | + long double: tgammal, \ |
| 256 | + default: tgamma, \ |
| 257 | + float: tgammaf \ |
| 258 | +)(x) |
| 259 | + |
| 260 | +#define trunc(x) _Generic(__tgmath_promote(x), \ |
| 261 | + long double: truncl, \ |
| 262 | + default: trunc, \ |
| 263 | + float: truncf \ |
| 264 | +)(x) |
| 265 | + |
| 266 | +/* two identical arguments */ |
| 267 | + |
| 268 | +#define atan2(x, y) _Generic(__tgmath_promote(x) + __tgmath_promote(y), \ |
| 269 | + long double: atan2l, \ |
| 270 | + default: atan2, \ |
| 271 | + float: atan2f \ |
| 272 | +)((x), (y)) |
| 273 | + |
| 274 | +#define copysign(x, y) _Generic(__tgmath_promote(x) + __tgmath_promote(y), \ |
| 275 | + long double: copysignl, \ |
| 276 | + default: copysign, \ |
| 277 | + float: copysignf \ |
| 278 | +)((x), (y)) |
| 279 | + |
| 280 | +#define fdim(x, y) _Generic(__tgmath_promote(x) + __tgmath_promote(y), \ |
| 281 | + long double: fdiml, \ |
| 282 | + default: fdim, \ |
| 283 | + float: fdimf \ |
| 284 | +)((x), (y)) |
| 285 | + |
| 286 | +#define fmax(x, y) _Generic(__tgmath_promote(x) + __tgmath_promote(y), \ |
| 287 | + long double: fmaxl, \ |
| 288 | + default: fmax, \ |
| 289 | + float: fmaxf \ |
| 290 | +)((x), (y)) |
| 291 | + |
| 292 | +#define fmin(x, y) _Generic(__tgmath_promote(x) + __tgmath_promote(y), \ |
| 293 | + long double: fminl, \ |
| 294 | + default: fmin, \ |
| 295 | + float: fminf \ |
| 296 | +)((x), (y)) |
| 297 | + |
| 298 | +#define fmod(x, y) _Generic(__tgmath_promote(x) + __tgmath_promote(y), \ |
| 299 | + long double: fmodl, \ |
| 300 | + default: fmod, \ |
| 301 | + float: fmodf \ |
| 302 | +)((x), (y)) |
| 303 | + |
| 304 | +#define hypot(x, y) _Generic(__tgmath_promote(x) + __tgmath_promote(y), \ |
| 305 | + long double: hypotl, \ |
| 306 | + default: hypot, \ |
| 307 | + float: hypotf \ |
| 308 | +)((x), (y)) |
| 309 | + |
| 310 | +#define nextafter(x, y) _Generic(__tgmath_promote(x) + __tgmath_promote(y), \ |
| 311 | + long double: nextafterl, \ |
| 312 | + default: nextafter, \ |
| 313 | + float: nextafterf \ |
| 314 | +)((x), (y)) |
| 315 | + |
| 316 | +#define pow(x, y) _Generic(__tgmath_promote(x) + __tgmath_promote(y), \ |
| 317 | + long double: powl, \ |
| 318 | + default: pow, \ |
| 319 | + float: powf \ |
| 320 | +)((x), (y)) |
| 321 | + |
| 322 | +#define remainder(x, y) _Generic(__tgmath_promote(x) + __tgmath_promote(y), \ |
| 323 | + long double: remainderl, \ |
| 324 | + default: remainder, \ |
| 325 | + float: remainderf \ |
| 326 | +)((x), (y)) |
| 327 | + |
| 328 | +/* multiple arguments */ |
| 329 | + |
| 330 | +#define fma(x, y, z) _Generic(__tgmath_promote(x) + __tgmath_promote(y) + __tgmath_promote(z), \ |
| 331 | + long double: fmal, \ |
| 332 | + default: fma, \ |
| 333 | + float: fmaf \ |
| 334 | +)((x), (y), (z)) |
| 335 | + |
| 336 | +#define frexp(x, y) _Generic(__tgmath_promote(x), \ |
| 337 | + long double: frexpl, \ |
| 338 | + default: frexp, \ |
| 339 | + float: frexpf \ |
| 340 | +)((x), (y)) |
| 341 | + |
| 342 | +#define ldexp(x, y) _Generic(__tgmath_promote(x), \ |
| 343 | + long double: ldexpl, \ |
| 344 | + default: ldexp, \ |
| 345 | + float: ldexpf \ |
| 346 | +)((x), (y)) |
| 347 | + |
| 348 | +#define nexttoward(x, y) _Generic(__tgmath_promote(x), \ |
| 349 | + long double: nexttowardl, \ |
| 350 | + default: nexttoward, \ |
| 351 | + float: nexttowardf \ |
| 352 | +)((x), (y)) |
| 353 | + |
| 354 | +#define remquo(x, y, z) _Generic(__tgmath_promote(x) + __tgmath_promote(y), \ |
| 355 | + long double: remquol, \ |
| 356 | + default: remquo, \ |
| 357 | + float: remquof \ |
| 358 | +)((x), (y), (z)) |
| 359 | + |
| 360 | +#define scalbln(x, y) _Generic(__tgmath_promote(x), \ |
| 361 | + long double: scalblnl, \ |
| 362 | + default: scalbln, \ |
| 363 | + float: scalblnf \ |
| 364 | +)((x), (y)) |
| 365 | + |
| 366 | +#define scalbn(x, y) _Generic(__tgmath_promote(x), \ |
| 367 | + long double: scalbnl, \ |
| 368 | + default: scalbn, \ |
| 369 | + float: scalbnf \ |
| 370 | +)((x), (y)) |
| 371 | + |
| 372 | +#endif /* __cplusplus */ |
| 373 | + |
| 374 | +#endif /* _TGMATH_H */ |
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