projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| f7a9f785 | 1 | /* Copyright (C) 1997-2016 Free Software Foundation, Inc. |
| dfd2257a UD |
2 | This file is part of the GNU C Library. |
| 3 | ||
| 4 | The GNU C Library is free software; you can redistribute it and/or | |
| 41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either | |
| 7 | version 2.1 of the License, or (at your option) any later version. | |
| dfd2257a UD |
8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, | |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 41bdb6e2 | 12 | Lesser General Public License for more details. |
| dfd2257a | 13 | |
| 41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ | |
| dfd2257a UD |
17 | |
| 18 | /* | |
| 63ae7b63 | 19 | * ISO C99 Standard: 7.22 Type-generic math <tgmath.h> |
| dfd2257a UD |
20 | */ |
| 21 | ||
| 22 | #ifndef _TGMATH_H | |
| 23 | #define _TGMATH_H 1 | |
| 24 | ||
| 25 | /* Include the needed headers. */ | |
| 26 | #include <math.h> | |
| 27 | #include <complex.h> | |
| 28 | ||
| 29 | ||
| 30 | /* Since `complex' is currently not really implemented in most C compilers | |
| 31 | and if it is implemented, the implementations differ. This makes it | |
| 32 | quite difficult to write a generic implementation of this header. We | |
| 33 | do not try this for now and instead concentrate only on GNU CC. Once | |
| 34 | we have more information support for other compilers might follow. */ | |
| 35 | ||
| 4360eafd | 36 | #if __GNUC_PREREQ (2, 7) |
| dfd2257a | 37 | |
| 0d3fee40 UD |
38 | # ifdef __NO_LONG_DOUBLE_MATH |
| 39 | # define __tgml(fct) fct | |
| 40 | # else | |
| 41 | # define __tgml(fct) fct ## l | |
| 42 | # endif | |
| 43 | ||
| 925e31d9 UD |
44 | /* This is ugly but unless gcc gets appropriate builtins we have to do |
| 45 | something like this. Don't ask how it works. */ | |
| 46 | ||
| 47 | /* 1 if 'type' is a floating type, 0 if 'type' is an integer type. | |
| 48 | Allows for _Bool. Expands to an integer constant expression. */ | |
| acd44dbc UD |
49 | # if __GNUC_PREREQ (3, 1) |
| 50 | # define __floating_type(type) \ | |
| 51 | (__builtin_classify_type ((type) 0) == 8 \ | |
| 52 | || (__builtin_classify_type ((type) 0) == 9 \ | |
| 53 | && __builtin_classify_type (__real__ ((type) 0)) == 8)) | |
| 54 | # else | |
| 55 | # define __floating_type(type) (((type) 0.25) && ((type) 0.25 - 1)) | |
| 56 | # endif | |
| 925e31d9 UD |
57 | |
| 58 | /* The tgmath real type for T, where E is 0 if T is an integer type and | |
| 59 | 1 for a floating type. */ | |
| deea1b29 | 60 | # define __tgmath_real_type_sub(T, E) \ |
| 1c298d08 UD |
61 | __typeof__ (*(0 ? (__typeof__ (0 ? (double *) 0 : (void *) (E))) 0 \ |
| 62 | : (__typeof__ (0 ? (T *) 0 : (void *) (!(E)))) 0)) | |
| 925e31d9 UD |
63 | |
| 64 | /* The tgmath real type of EXPR. */ | |
| deea1b29 | 65 | # define __tgmath_real_type(expr) \ |
| 1c298d08 UD |
66 | __tgmath_real_type_sub (__typeof__ ((__typeof__ (expr)) 0), \ |
| 67 | __floating_type (__typeof__ (expr))) | |
| 925e31d9 UD |
68 | |
| 69 | ||
| dfd2257a UD |
70 | /* We have two kinds of generic macros: to support functions which are |
| 71 | only defined on real valued parameters and those which are defined | |
| 72 | for complex functions as well. */ | |
| 73 | # define __TGMATH_UNARY_REAL_ONLY(Val, Fct) \ | |
| 1c298d08 UD |
74 | (__extension__ ((sizeof (Val) == sizeof (double) \ |
| 75 | || __builtin_classify_type (Val) != 8) \ | |
| 76 | ? (__tgmath_real_type (Val)) Fct (Val) \ | |
| 77 | : (sizeof (Val) == sizeof (float)) \ | |
| 78 | ? (__tgmath_real_type (Val)) Fct##f (Val) \ | |
| 79 | : (__tgmath_real_type (Val)) __tgml(Fct) (Val))) | |
| 71502ebe UD |
80 | |
| 81 | # define __TGMATH_UNARY_REAL_RET_ONLY(Val, RetType, Fct) \ | |
| 1c298d08 UD |
82 | (__extension__ ((sizeof (Val) == sizeof (double) \ |
| 83 | || __builtin_classify_type (Val) != 8) \ | |
| 84 | ? (RetType) Fct (Val) \ | |
| 85 | : (sizeof (Val) == sizeof (float)) \ | |
| 86 | ? (RetType) Fct##f (Val) \ | |
| 87 | : (RetType) __tgml(Fct) (Val))) | |
| dfd2257a UD |
88 | |
| 89 | # define __TGMATH_BINARY_FIRST_REAL_ONLY(Val1, Val2, Fct) \ | |
| 1c298d08 UD |
90 | (__extension__ ((sizeof (Val1) == sizeof (double) \ |
| 91 | || __builtin_classify_type (Val1) != 8) \ | |
| 92 | ? (__tgmath_real_type (Val1)) Fct (Val1, Val2) \ | |
| 93 | : (sizeof (Val1) == sizeof (float)) \ | |
| 94 | ? (__tgmath_real_type (Val1)) Fct##f (Val1, Val2) \ | |
| 95 | : (__tgmath_real_type (Val1)) __tgml(Fct) (Val1, Val2))) | |
| dfd2257a UD |
96 | |
| 97 | # define __TGMATH_BINARY_REAL_ONLY(Val1, Val2, Fct) \ | |
| 1c298d08 UD |
98 | (__extension__ (((sizeof (Val1) > sizeof (double) \ |
| 99 | || sizeof (Val2) > sizeof (double)) \ | |
| 100 | && __builtin_classify_type ((Val1) + (Val2)) == 8) \ | |
| 101 | ? (__typeof ((__tgmath_real_type (Val1)) 0 \ | |
| 102 | + (__tgmath_real_type (Val2)) 0)) \ | |
| 103 | __tgml(Fct) (Val1, Val2) \ | |
| 104 | : (sizeof (Val1) == sizeof (double) \ | |
| 105 | || sizeof (Val2) == sizeof (double) \ | |
| 106 | || __builtin_classify_type (Val1) != 8 \ | |
| 107 | || __builtin_classify_type (Val2) != 8) \ | |
| 108 | ? (__typeof ((__tgmath_real_type (Val1)) 0 \ | |
| 109 | + (__tgmath_real_type (Val2)) 0)) \ | |
| 110 | Fct (Val1, Val2) \ | |
| 111 | : (__typeof ((__tgmath_real_type (Val1)) 0 \ | |
| 112 | + (__tgmath_real_type (Val2)) 0)) \ | |
| 113 | Fct##f (Val1, Val2))) | |
| dfd2257a UD |
114 | |
| 115 | # define __TGMATH_TERNARY_FIRST_SECOND_REAL_ONLY(Val1, Val2, Val3, Fct) \ | |
| 1c298d08 UD |
116 | (__extension__ (((sizeof (Val1) > sizeof (double) \ |
| 117 | || sizeof (Val2) > sizeof (double)) \ | |
| 118 | && __builtin_classify_type ((Val1) + (Val2)) == 8) \ | |
| 119 | ? (__typeof ((__tgmath_real_type (Val1)) 0 \ | |
| 120 | + (__tgmath_real_type (Val2)) 0)) \ | |
| 121 | __tgml(Fct) (Val1, Val2, Val3) \ | |
| 122 | : (sizeof (Val1) == sizeof (double) \ | |
| 123 | || sizeof (Val2) == sizeof (double) \ | |
| 124 | || __builtin_classify_type (Val1) != 8 \ | |
| 125 | || __builtin_classify_type (Val2) != 8) \ | |
| 126 | ? (__typeof ((__tgmath_real_type (Val1)) 0 \ | |
| 127 | + (__tgmath_real_type (Val2)) 0)) \ | |
| 128 | Fct (Val1, Val2, Val3) \ | |
| 129 | : (__typeof ((__tgmath_real_type (Val1)) 0 \ | |
| 130 | + (__tgmath_real_type (Val2)) 0)) \ | |
| 131 | Fct##f (Val1, Val2, Val3))) | |
| bfce746a UD |
132 | |
| 133 | # define __TGMATH_TERNARY_REAL_ONLY(Val1, Val2, Val3, Fct) \ | |
| 1c298d08 UD |
134 | (__extension__ (((sizeof (Val1) > sizeof (double) \ |
| 135 | || sizeof (Val2) > sizeof (double) \ | |
| 136 | || sizeof (Val3) > sizeof (double)) \ | |
| 137 | && __builtin_classify_type ((Val1) + (Val2) + (Val3)) \ | |
| 138 | == 8) \ | |
| 139 | ? (__typeof ((__tgmath_real_type (Val1)) 0 \ | |
| 140 | + (__tgmath_real_type (Val2)) 0 \ | |
| 141 | + (__tgmath_real_type (Val3)) 0)) \ | |
| 142 | __tgml(Fct) (Val1, Val2, Val3) \ | |
| 143 | : (sizeof (Val1) == sizeof (double) \ | |
| 144 | || sizeof (Val2) == sizeof (double) \ | |
| 145 | || sizeof (Val3) == sizeof (double) \ | |
| 146 | || __builtin_classify_type (Val1) != 8 \ | |
| 147 | || __builtin_classify_type (Val2) != 8 \ | |
| 148 | || __builtin_classify_type (Val3) != 8) \ | |
| 149 | ? (__typeof ((__tgmath_real_type (Val1)) 0 \ | |
| 150 | + (__tgmath_real_type (Val2)) 0 \ | |
| 151 | + (__tgmath_real_type (Val3)) 0)) \ | |
| 152 | Fct (Val1, Val2, Val3) \ | |
| 153 | : (__typeof ((__tgmath_real_type (Val1)) 0 \ | |
| 154 | + (__tgmath_real_type (Val2)) 0 \ | |
| 155 | + (__tgmath_real_type (Val3)) 0)) \ | |
| 156 | Fct##f (Val1, Val2, Val3))) | |
| dfd2257a | 157 | |
| 423c2b9d JM |
158 | # define __TGMATH_TERNARY_FIRST_REAL_RET_ONLY(Val1, Val2, Val3, RetType, Fct) \ |
| 159 | (__extension__ ((sizeof (Val1) == sizeof (double) \ | |
| 160 | || __builtin_classify_type (Val1) != 8) \ | |
| 161 | ? (RetType) Fct (Val1, Val2, Val3) \ | |
| 162 | : (sizeof (Val1) == sizeof (float)) \ | |
| 163 | ? (RetType) Fct##f (Val1, Val2, Val3) \ | |
| 164 | : (RetType) __tgml(Fct) (Val1, Val2, Val3))) | |
| 165 | ||
| 48244d09 UD |
166 | /* XXX This definition has to be changed as soon as the compiler understands |
| 167 | the imaginary keyword. */ | |
| dfd2257a | 168 | # define __TGMATH_UNARY_REAL_IMAG(Val, Fct, Cfct) \ |
| 1c298d08 UD |
169 | (__extension__ ((sizeof (__real__ (Val)) == sizeof (double) \ |
| 170 | || __builtin_classify_type (__real__ (Val)) != 8) \ | |
| 171 | ? ((sizeof (__real__ (Val)) == sizeof (Val)) \ | |
| 172 | ? (__tgmath_real_type (Val)) Fct (Val) \ | |
| 173 | : (__tgmath_real_type (Val)) Cfct (Val)) \ | |
| 174 | : (sizeof (__real__ (Val)) == sizeof (float)) \ | |
| 175 | ? ((sizeof (__real__ (Val)) == sizeof (Val)) \ | |
| 176 | ? (__tgmath_real_type (Val)) Fct##f (Val) \ | |
| 177 | : (__tgmath_real_type (Val)) Cfct##f (Val)) \ | |
| 178 | : ((sizeof (__real__ (Val)) == sizeof (Val)) \ | |
| 179 | ? (__tgmath_real_type (Val)) __tgml(Fct) (Val) \ | |
| 180 | : (__tgmath_real_type (Val)) __tgml(Cfct) (Val)))) | |
| 181 | ||
| 182 | # define __TGMATH_UNARY_IMAG(Val, Cfct) \ | |
| 183 | (__extension__ ((sizeof (__real__ (Val)) == sizeof (double) \ | |
| 184 | || __builtin_classify_type (__real__ (Val)) != 8) \ | |
| 185 | ? (__typeof__ ((__tgmath_real_type (Val)) 0 \ | |
| 186 | + _Complex_I)) Cfct (Val) \ | |
| 187 | : (sizeof (__real__ (Val)) == sizeof (float)) \ | |
| 188 | ? (__typeof__ ((__tgmath_real_type (Val)) 0 \ | |
| 189 | + _Complex_I)) Cfct##f (Val) \ | |
| 190 | : (__typeof__ ((__tgmath_real_type (Val)) 0 \ | |
| 191 | + _Complex_I)) __tgml(Cfct) (Val))) | |
| dfd2257a | 192 | |
| 58d87ee1 UD |
193 | /* XXX This definition has to be changed as soon as the compiler understands |
| 194 | the imaginary keyword. */ | |
| 195 | # define __TGMATH_UNARY_REAL_IMAG_RET_REAL(Val, Fct, Cfct) \ | |
| 1c298d08 UD |
196 | (__extension__ ((sizeof (__real__ (Val)) == sizeof (double) \ |
| 197 | || __builtin_classify_type (__real__ (Val)) != 8) \ | |
| 198 | ? ((sizeof (__real__ (Val)) == sizeof (Val)) \ | |
| 199 | ? (__typeof__ (__real__ (__tgmath_real_type (Val)) 0))\ | |
| 200 | Fct (Val) \ | |
| 201 | : (__typeof__ (__real__ (__tgmath_real_type (Val)) 0))\ | |
| 202 | Cfct (Val)) \ | |
| 203 | : (sizeof (__real__ (Val)) == sizeof (float)) \ | |
| 204 | ? ((sizeof (__real__ (Val)) == sizeof (Val)) \ | |
| 205 | ? (__typeof__ (__real__ (__tgmath_real_type (Val)) 0))\ | |
| 206 | Fct##f (Val) \ | |
| 207 | : (__typeof__ (__real__ (__tgmath_real_type (Val)) 0))\ | |
| 208 | Cfct##f (Val)) \ | |
| 209 | : ((sizeof (__real__ (Val)) == sizeof (Val)) \ | |
| 210 | ? (__typeof__ (__real__ (__tgmath_real_type (Val)) 0))\ | |
| 211 | __tgml(Fct) (Val) \ | |
| 212 | : (__typeof__ (__real__ (__tgmath_real_type (Val)) 0))\ | |
| 213 | __tgml(Cfct) (Val)))) | |
| 58d87ee1 | 214 | |
| 48244d09 UD |
215 | /* XXX This definition has to be changed as soon as the compiler understands |
| 216 | the imaginary keyword. */ | |
| dfd2257a | 217 | # define __TGMATH_BINARY_REAL_IMAG(Val1, Val2, Fct, Cfct) \ |
| 1c298d08 UD |
218 | (__extension__ (((sizeof (__real__ (Val1)) > sizeof (double) \ |
| 219 | || sizeof (__real__ (Val2)) > sizeof (double)) \ | |
| 220 | && __builtin_classify_type (__real__ (Val1) \ | |
| 221 | + __real__ (Val2)) == 8) \ | |
| 222 | ? ((sizeof (__real__ (Val1)) == sizeof (Val1) \ | |
| 223 | && sizeof (__real__ (Val2)) == sizeof (Val2)) \ | |
| 224 | ? (__typeof ((__tgmath_real_type (Val1)) 0 \ | |
| 225 | + (__tgmath_real_type (Val2)) 0)) \ | |
| 226 | __tgml(Fct) (Val1, Val2) \ | |
| 227 | : (__typeof ((__tgmath_real_type (Val1)) 0 \ | |
| 228 | + (__tgmath_real_type (Val2)) 0)) \ | |
| 229 | __tgml(Cfct) (Val1, Val2)) \ | |
| 230 | : (sizeof (__real__ (Val1)) == sizeof (double) \ | |
| 231 | || sizeof (__real__ (Val2)) == sizeof (double) \ | |
| 232 | || __builtin_classify_type (__real__ (Val1)) != 8 \ | |
| 233 | || __builtin_classify_type (__real__ (Val2)) != 8) \ | |
| 234 | ? ((sizeof (__real__ (Val1)) == sizeof (Val1) \ | |
| 235 | && sizeof (__real__ (Val2)) == sizeof (Val2)) \ | |
| 236 | ? (__typeof ((__tgmath_real_type (Val1)) 0 \ | |
| 237 | + (__tgmath_real_type (Val2)) 0)) \ | |
| 238 | Fct (Val1, Val2) \ | |
| 239 | : (__typeof ((__tgmath_real_type (Val1)) 0 \ | |
| 240 | + (__tgmath_real_type (Val2)) 0)) \ | |
| 241 | Cfct (Val1, Val2)) \ | |
| 242 | : ((sizeof (__real__ (Val1)) == sizeof (Val1) \ | |
| 243 | && sizeof (__real__ (Val2)) == sizeof (Val2)) \ | |
| 244 | ? (__typeof ((__tgmath_real_type (Val1)) 0 \ | |
| 245 | + (__tgmath_real_type (Val2)) 0)) \ | |
| 246 | Fct##f (Val1, Val2) \ | |
| 247 | : (__typeof ((__tgmath_real_type (Val1)) 0 \ | |
| 248 | + (__tgmath_real_type (Val2)) 0)) \ | |
| 249 | Cfct##f (Val1, Val2)))) | |
| dfd2257a UD |
250 | #else |
| 251 | # error "Unsupported compiler; you cannot use <tgmath.h>" | |
| 252 | #endif | |
| 253 | ||
| 254 | ||
| 255 | /* Unary functions defined for real and complex values. */ | |
| 256 | ||
| 257 | ||
| 258 | /* Trigonometric functions. */ | |
| 259 | ||
| 260 | /* Arc cosine of X. */ | |
| 261 | #define acos(Val) __TGMATH_UNARY_REAL_IMAG (Val, acos, cacos) | |
| 262 | /* Arc sine of X. */ | |
| 263 | #define asin(Val) __TGMATH_UNARY_REAL_IMAG (Val, asin, casin) | |
| 264 | /* Arc tangent of X. */ | |
| 265 | #define atan(Val) __TGMATH_UNARY_REAL_IMAG (Val, atan, catan) | |
| 266 | /* Arc tangent of Y/X. */ | |
| cfb32a6c | 267 | #define atan2(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, atan2) |
| dfd2257a UD |
268 | |
| 269 | /* Cosine of X. */ | |
| 270 | #define cos(Val) __TGMATH_UNARY_REAL_IMAG (Val, cos, ccos) | |
| 271 | /* Sine of X. */ | |
| 272 | #define sin(Val) __TGMATH_UNARY_REAL_IMAG (Val, sin, csin) | |
| 273 | /* Tangent of X. */ | |
| 274 | #define tan(Val) __TGMATH_UNARY_REAL_IMAG (Val, tan, ctan) | |
| 275 | ||
| 276 | ||
| 277 | /* Hyperbolic functions. */ | |
| 278 | ||
| 279 | /* Hyperbolic arc cosine of X. */ | |
| 280 | #define acosh(Val) __TGMATH_UNARY_REAL_IMAG (Val, acosh, cacosh) | |
| 281 | /* Hyperbolic arc sine of X. */ | |
| 282 | #define asinh(Val) __TGMATH_UNARY_REAL_IMAG (Val, asinh, casinh) | |
| 283 | /* Hyperbolic arc tangent of X. */ | |
| 284 | #define atanh(Val) __TGMATH_UNARY_REAL_IMAG (Val, atanh, catanh) | |
| 285 | ||
| 286 | /* Hyperbolic cosine of X. */ | |
| 287 | #define cosh(Val) __TGMATH_UNARY_REAL_IMAG (Val, cosh, ccosh) | |
| 288 | /* Hyperbolic sine of X. */ | |
| 289 | #define sinh(Val) __TGMATH_UNARY_REAL_IMAG (Val, sinh, csinh) | |
| 290 | /* Hyperbolic tangent of X. */ | |
| 291 | #define tanh(Val) __TGMATH_UNARY_REAL_IMAG (Val, tanh, ctanh) | |
| 292 | ||
| 293 | ||
| 294 | /* Exponential and logarithmic functions. */ | |
| 295 | ||
| 296 | /* Exponential function of X. */ | |
| 297 | #define exp(Val) __TGMATH_UNARY_REAL_IMAG (Val, exp, cexp) | |
| 298 | ||
| 299 | /* Break VALUE into a normalized fraction and an integral power of 2. */ | |
| 300 | #define frexp(Val1, Val2) __TGMATH_BINARY_FIRST_REAL_ONLY (Val1, Val2, frexp) | |
| 301 | ||
| 302 | /* X times (two to the EXP power). */ | |
| 303 | #define ldexp(Val1, Val2) __TGMATH_BINARY_FIRST_REAL_ONLY (Val1, Val2, ldexp) | |
| 304 | ||
| 305 | /* Natural logarithm of X. */ | |
| 306 | #define log(Val) __TGMATH_UNARY_REAL_IMAG (Val, log, clog) | |
| 307 | ||
| 308 | /* Base-ten logarithm of X. */ | |
| cc3fa755 UD |
309 | #ifdef __USE_GNU |
| 310 | # define log10(Val) __TGMATH_UNARY_REAL_IMAG (Val, log10, __clog10) | |
| 311 | #else | |
| 312 | # define log10(Val) __TGMATH_UNARY_REAL_ONLY (Val, log10) | |
| 313 | #endif | |
| dfd2257a UD |
314 | |
| 315 | /* Return exp(X) - 1. */ | |
| 316 | #define expm1(Val) __TGMATH_UNARY_REAL_ONLY (Val, expm1) | |
| 317 | ||
| 318 | /* Return log(1 + X). */ | |
| 319 | #define log1p(Val) __TGMATH_UNARY_REAL_ONLY (Val, log1p) | |
| 320 | ||
| 321 | /* Return the base 2 signed integral exponent of X. */ | |
| 322 | #define logb(Val) __TGMATH_UNARY_REAL_ONLY (Val, logb) | |
| 323 | ||
| 324 | /* Compute base-2 exponential of X. */ | |
| 325 | #define exp2(Val) __TGMATH_UNARY_REAL_ONLY (Val, exp2) | |
| 326 | ||
| 327 | /* Compute base-2 logarithm of X. */ | |
| 328 | #define log2(Val) __TGMATH_UNARY_REAL_ONLY (Val, log2) | |
| 329 | ||
| 330 | ||
| 331 | /* Power functions. */ | |
| 332 | ||
| 333 | /* Return X to the Y power. */ | |
| 334 | #define pow(Val1, Val2) __TGMATH_BINARY_REAL_IMAG (Val1, Val2, pow, cpow) | |
| 335 | ||
| 336 | /* Return the square root of X. */ | |
| 337 | #define sqrt(Val) __TGMATH_UNARY_REAL_IMAG (Val, sqrt, csqrt) | |
| 338 | ||
| 339 | /* Return `sqrt(X*X + Y*Y)'. */ | |
| 340 | #define hypot(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, hypot) | |
| 341 | ||
| 342 | /* Return the cube root of X. */ | |
| 343 | #define cbrt(Val) __TGMATH_UNARY_REAL_ONLY (Val, cbrt) | |
| 344 | ||
| 345 | ||
| 346 | /* Nearest integer, absolute value, and remainder functions. */ | |
| 347 | ||
| 348 | /* Smallest integral value not less than X. */ | |
| 349 | #define ceil(Val) __TGMATH_UNARY_REAL_ONLY (Val, ceil) | |
| 350 | ||
| 351 | /* Absolute value of X. */ | |
| f1debaf6 | 352 | #define fabs(Val) __TGMATH_UNARY_REAL_IMAG_RET_REAL (Val, fabs, cabs) |
| dfd2257a UD |
353 | |
| 354 | /* Largest integer not greater than X. */ | |
| 355 | #define floor(Val) __TGMATH_UNARY_REAL_ONLY (Val, floor) | |
| 356 | ||
| 357 | /* Floating-point modulo remainder of X/Y. */ | |
| 358 | #define fmod(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, fmod) | |
| 359 | ||
| 360 | /* Round X to integral valuein floating-point format using current | |
| 361 | rounding direction, but do not raise inexact exception. */ | |
| 362 | #define nearbyint(Val) __TGMATH_UNARY_REAL_ONLY (Val, nearbyint) | |
| 363 | ||
| 364 | /* Round X to nearest integral value, rounding halfway cases away from | |
| 365 | zero. */ | |
| 366 | #define round(Val) __TGMATH_UNARY_REAL_ONLY (Val, round) | |
| 367 | ||
| 368 | /* Round X to the integral value in floating-point format nearest but | |
| 369 | not larger in magnitude. */ | |
| 370 | #define trunc(Val) __TGMATH_UNARY_REAL_ONLY (Val, trunc) | |
| 371 | ||
| 372 | /* Compute remainder of X and Y and put in *QUO a value with sign of x/y | |
| 373 | and magnitude congruent `mod 2^n' to the magnitude of the integral | |
| 374 | quotient x/y, with n >= 3. */ | |
| 375 | #define remquo(Val1, Val2, Val3) \ | |
| 376 | __TGMATH_TERNARY_FIRST_SECOND_REAL_ONLY (Val1, Val2, Val3, remquo) | |
| 377 | ||
| 378 | /* Round X to nearest integral value according to current rounding | |
| 379 | direction. */ | |
| 71502ebe UD |
380 | #define lrint(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, long int, lrint) |
| 381 | #define llrint(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, long long int, llrint) | |
| dfd2257a UD |
382 | |
| 383 | /* Round X to nearest integral value, rounding halfway cases away from | |
| 384 | zero. */ | |
| 71502ebe UD |
385 | #define lround(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, long int, lround) |
| 386 | #define llround(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, long long int, llround) | |
| dfd2257a UD |
387 | |
| 388 | ||
| 389 | /* Return X with its signed changed to Y's. */ | |
| 390 | #define copysign(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, copysign) | |
| 391 | ||
| 392 | /* Error and gamma functions. */ | |
| 393 | #define erf(Val) __TGMATH_UNARY_REAL_ONLY (Val, erf) | |
| 394 | #define erfc(Val) __TGMATH_UNARY_REAL_ONLY (Val, erfc) | |
| 00d8bc81 | 395 | #define tgamma(Val) __TGMATH_UNARY_REAL_ONLY (Val, tgamma) |
| dfd2257a UD |
396 | #define lgamma(Val) __TGMATH_UNARY_REAL_ONLY (Val, lgamma) |
| 397 | ||
| 398 | ||
| 399 | /* Return the integer nearest X in the direction of the | |
| 400 | prevailing rounding mode. */ | |
| 401 | #define rint(Val) __TGMATH_UNARY_REAL_ONLY (Val, rint) | |
| 402 | ||
| 146f208d | 403 | #if __GLIBC_USE (IEC_60559_BFP_EXT) |
| 41a359e2 RS |
404 | /* Return X - epsilon. */ |
| 405 | # define nextdown(Val) __TGMATH_UNARY_REAL_ONLY (Val, nextdown) | |
| 406 | /* Return X + epsilon. */ | |
| 407 | # define nextup(Val) __TGMATH_UNARY_REAL_ONLY (Val, nextup) | |
| 408 | #endif | |
| 409 | ||
| dfd2257a UD |
410 | /* Return X + epsilon if X < Y, X - epsilon if X > Y. */ |
| 411 | #define nextafter(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, nextafter) | |
| 42bd0a85 UD |
412 | #define nexttoward(Val1, Val2) \ |
| 413 | __TGMATH_BINARY_FIRST_REAL_ONLY (Val1, Val2, nexttoward) | |
| dfd2257a UD |
414 | |
| 415 | /* Return the remainder of integer divison X / Y with infinite precision. */ | |
| 416 | #define remainder(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, remainder) | |
| 417 | ||
| 418 | /* Return X times (2 to the Nth power). */ | |
| de20571d | 419 | #ifdef __USE_MISC |
| 204e299e | 420 | # define scalb(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, scalb) |
| 26644e87 | 421 | #endif |
| dfd2257a UD |
422 | |
| 423 | /* Return X times (2 to the Nth power). */ | |
| 424 | #define scalbn(Val1, Val2) __TGMATH_BINARY_FIRST_REAL_ONLY (Val1, Val2, scalbn) | |
| 425 | ||
| 426 | /* Return X times (2 to the Nth power). */ | |
| 427 | #define scalbln(Val1, Val2) \ | |
| 428 | __TGMATH_BINARY_FIRST_REAL_ONLY (Val1, Val2, scalbln) | |
| 429 | ||
| 430 | /* Return the binary exponent of X, which must be nonzero. */ | |
| 301a6724 | 431 | #define ilogb(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, int, ilogb) |
| dfd2257a UD |
432 | |
| 433 | ||
| 434 | /* Return positive difference between X and Y. */ | |
| 435 | #define fdim(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, fdim) | |
| 436 | ||
| 437 | /* Return maximum numeric value from X and Y. */ | |
| 438 | #define fmax(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, fmax) | |
| 439 | ||
| 440 | /* Return minimum numeric value from X and Y. */ | |
| 441 | #define fmin(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, fmin) | |
| 442 | ||
| 443 | ||
| bfce746a | 444 | /* Multiply-add function computed as a ternary operation. */ |
| e7c3d12b | 445 | #define fma(Val1, Val2, Val3) \ |
| bfce746a UD |
446 | __TGMATH_TERNARY_REAL_ONLY (Val1, Val2, Val3, fma) |
| 447 | ||
| 5e9d98a3 | 448 | #if __GLIBC_USE (IEC_60559_BFP_EXT) |
| 41c67149 JM |
449 | /* Round X to nearest integer value, rounding halfway cases to even. */ |
| 450 | # define roundeven(Val) __TGMATH_UNARY_REAL_ONLY (Val, roundeven) | |
| 451 | ||
| 423c2b9d JM |
452 | # define fromfp(Val1, Val2, Val3) \ |
| 453 | __TGMATH_TERNARY_FIRST_REAL_RET_ONLY (Val1, Val2, Val3, __intmax_t, fromfp) | |
| 454 | ||
| 455 | # define ufromfp(Val1, Val2, Val3) \ | |
| 456 | __TGMATH_TERNARY_FIRST_REAL_RET_ONLY (Val1, Val2, Val3, __uintmax_t, ufromfp) | |
| 457 | ||
| 458 | # define fromfpx(Val1, Val2, Val3) \ | |
| 459 | __TGMATH_TERNARY_FIRST_REAL_RET_ONLY (Val1, Val2, Val3, __intmax_t, fromfpx) | |
| 460 | ||
| 461 | # define ufromfpx(Val1, Val2, Val3) \ | |
| 462 | __TGMATH_TERNARY_FIRST_REAL_RET_ONLY (Val1, Val2, Val3, __uintmax_t, ufromfpx) | |
| 463 | ||
| 55a38f82 | 464 | /* Like ilogb, but returning long int. */ |
| 60c07b05 | 465 | # define llogb(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, long int, llogb) |
| 55a38f82 | 466 | |
| 525f8039 JM |
467 | /* Return value with maximum magnitude. */ |
| 468 | # define fmaxmag(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, fmaxmag) | |
| 469 | ||
| 470 | /* Return value with minimum magnitude. */ | |
| 471 | # define fminmag(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, fminmag) | |
| 472 | ||
| 5e9d98a3 JM |
473 | /* Total order operation. */ |
| 474 | # define totalorder(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, \ | |
| 475 | totalorder) | |
| cc6a8d74 JM |
476 | |
| 477 | /* Total order operation on absolute values. */ | |
| 478 | # define totalordermag(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, \ | |
| 479 | totalordermag) | |
| 5e9d98a3 JM |
480 | #endif |
| 481 | ||
| bfce746a | 482 | |
| dfd2257a UD |
483 | /* Absolute value, conjugates, and projection. */ |
| 484 | ||
| 485 | /* Argument value of Z. */ | |
| f1debaf6 | 486 | #define carg(Val) __TGMATH_UNARY_REAL_IMAG_RET_REAL (Val, carg, carg) |
| dfd2257a UD |
487 | |
| 488 | /* Complex conjugate of Z. */ | |
| 1c298d08 | 489 | #define conj(Val) __TGMATH_UNARY_IMAG (Val, conj) |
| dfd2257a UD |
490 | |
| 491 | /* Projection of Z onto the Riemann sphere. */ | |
| 1c298d08 | 492 | #define cproj(Val) __TGMATH_UNARY_IMAG (Val, cproj) |
| dfd2257a UD |
493 | |
| 494 | ||
| 495 | /* Decomposing complex values. */ | |
| 496 | ||
| 497 | /* Imaginary part of Z. */ | |
| 58d87ee1 | 498 | #define cimag(Val) __TGMATH_UNARY_REAL_IMAG_RET_REAL (Val, cimag, cimag) |
| dfd2257a UD |
499 | |
| 500 | /* Real part of Z. */ | |
| 58d87ee1 | 501 | #define creal(Val) __TGMATH_UNARY_REAL_IMAG_RET_REAL (Val, creal, creal) |
| dfd2257a UD |
502 | |
| 503 | #endif /* tgmath.h */ |