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| 1 // -*- C++ -*- |
| 2 //===---------------------------- limits ----------------------------------===// |
| 3 // |
| 4 // The LLVM Compiler Infrastructure |
| 5 // |
| 6 // This file is dual licensed under the MIT and the University of Illinois Open |
| 7 // Source Licenses. See LICENSE.TXT for details. |
| 8 // |
| 9 //===----------------------------------------------------------------------===// |
| 10 |
| 11 #ifndef _LIBCPP_LIMITS |
| 12 #define _LIBCPP_LIMITS |
| 13 |
| 14 /* |
| 15 limits synopsis |
| 16 |
| 17 namespace std |
| 18 { |
| 19 |
| 20 template<class T> |
| 21 class numeric_limits |
| 22 { |
| 23 public: |
| 24 static constexpr bool is_specialized = false; |
| 25 static constexpr T min() noexcept; |
| 26 static constexpr T max() noexcept; |
| 27 static constexpr T lowest() noexcept; |
| 28 |
| 29 static constexpr int digits = 0; |
| 30 static constexpr int digits10 = 0; |
| 31 static constexpr int max_digits10 = 0; |
| 32 static constexpr bool is_signed = false; |
| 33 static constexpr bool is_integer = false; |
| 34 static constexpr bool is_exact = false; |
| 35 static constexpr int radix = 0; |
| 36 static constexpr T epsilon() noexcept; |
| 37 static constexpr T round_error() noexcept; |
| 38 |
| 39 static constexpr int min_exponent = 0; |
| 40 static constexpr int min_exponent10 = 0; |
| 41 static constexpr int max_exponent = 0; |
| 42 static constexpr int max_exponent10 = 0; |
| 43 |
| 44 static constexpr bool has_infinity = false; |
| 45 static constexpr bool has_quiet_NaN = false; |
| 46 static constexpr bool has_signaling_NaN = false; |
| 47 static constexpr float_denorm_style has_denorm = denorm_absent; |
| 48 static constexpr bool has_denorm_loss = false; |
| 49 static constexpr T infinity() noexcept; |
| 50 static constexpr T quiet_NaN() noexcept; |
| 51 static constexpr T signaling_NaN() noexcept; |
| 52 static constexpr T denorm_min() noexcept; |
| 53 |
| 54 static constexpr bool is_iec559 = false; |
| 55 static constexpr bool is_bounded = false; |
| 56 static constexpr bool is_modulo = false; |
| 57 |
| 58 static constexpr bool traps = false; |
| 59 static constexpr bool tinyness_before = false; |
| 60 static constexpr float_round_style round_style = round_toward_zero; |
| 61 }; |
| 62 |
| 63 enum float_round_style |
| 64 { |
| 65 round_indeterminate = -1, |
| 66 round_toward_zero = 0, |
| 67 round_to_nearest = 1, |
| 68 round_toward_infinity = 2, |
| 69 round_toward_neg_infinity = 3 |
| 70 }; |
| 71 |
| 72 enum float_denorm_style |
| 73 { |
| 74 denorm_indeterminate = -1, |
| 75 denorm_absent = 0, |
| 76 denorm_present = 1 |
| 77 }; |
| 78 |
| 79 template<> class numeric_limits<cv bool>; |
| 80 |
| 81 template<> class numeric_limits<cv char>; |
| 82 template<> class numeric_limits<cv signed char>; |
| 83 template<> class numeric_limits<cv unsigned char>; |
| 84 template<> class numeric_limits<cv wchar_t>; |
| 85 template<> class numeric_limits<cv char16_t>; |
| 86 template<> class numeric_limits<cv char32_t>; |
| 87 |
| 88 template<> class numeric_limits<cv short>; |
| 89 template<> class numeric_limits<cv int>; |
| 90 template<> class numeric_limits<cv long>; |
| 91 template<> class numeric_limits<cv long long>; |
| 92 template<> class numeric_limits<cv unsigned short>; |
| 93 template<> class numeric_limits<cv unsigned int>; |
| 94 template<> class numeric_limits<cv unsigned long>; |
| 95 template<> class numeric_limits<cv unsigned long long>; |
| 96 |
| 97 template<> class numeric_limits<cv float>; |
| 98 template<> class numeric_limits<cv double>; |
| 99 template<> class numeric_limits<cv long double>; |
| 100 |
| 101 } // std |
| 102 |
| 103 */ |
| 104 |
| 105 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 106 #pragma GCC system_header |
| 107 #endif |
| 108 |
| 109 #include <__config> |
| 110 #include <type_traits> |
| 111 |
| 112 #include <__undef_min_max> |
| 113 |
| 114 #if defined(_LIBCPP_MSVCRT) |
| 115 #include "support/win32/limits_win32.h" |
| 116 #endif // _LIBCPP_MSVCRT |
| 117 |
| 118 #if defined(__IBMCPP__) |
| 119 #include "support/ibm/limits.h" |
| 120 #endif // __IBMCPP__ |
| 121 |
| 122 _LIBCPP_BEGIN_NAMESPACE_STD |
| 123 |
| 124 enum float_round_style |
| 125 { |
| 126 round_indeterminate = -1, |
| 127 round_toward_zero = 0, |
| 128 round_to_nearest = 1, |
| 129 round_toward_infinity = 2, |
| 130 round_toward_neg_infinity = 3 |
| 131 }; |
| 132 |
| 133 enum float_denorm_style |
| 134 { |
| 135 denorm_indeterminate = -1, |
| 136 denorm_absent = 0, |
| 137 denorm_present = 1 |
| 138 }; |
| 139 |
| 140 template <class _Tp, bool = is_arithmetic<_Tp>::value> |
| 141 class __libcpp_numeric_limits |
| 142 { |
| 143 protected: |
| 144 typedef _Tp type; |
| 145 |
| 146 static _LIBCPP_CONSTEXPR const bool is_specialized = false; |
| 147 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {ret
urn type();} |
| 148 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {ret
urn type();} |
| 149 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {
return type();} |
| 150 |
| 151 static _LIBCPP_CONSTEXPR const int digits = 0; |
| 152 static _LIBCPP_CONSTEXPR const int digits10 = 0; |
| 153 static _LIBCPP_CONSTEXPR const int max_digits10 = 0; |
| 154 static _LIBCPP_CONSTEXPR const bool is_signed = false; |
| 155 static _LIBCPP_CONSTEXPR const bool is_integer = false; |
| 156 static _LIBCPP_CONSTEXPR const bool is_exact = false; |
| 157 static _LIBCPP_CONSTEXPR const int radix = 0; |
| 158 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT
{return type();} |
| 159 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXC
EPT {return type();} |
| 160 |
| 161 static _LIBCPP_CONSTEXPR const int min_exponent = 0; |
| 162 static _LIBCPP_CONSTEXPR const int min_exponent10 = 0; |
| 163 static _LIBCPP_CONSTEXPR const int max_exponent = 0; |
| 164 static _LIBCPP_CONSTEXPR const int max_exponent10 = 0; |
| 165 |
| 166 static _LIBCPP_CONSTEXPR const bool has_infinity = false; |
| 167 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = false; |
| 168 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = false; |
| 169 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_absent
; |
| 170 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false; |
| 171 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT
{return type();} |
| 172 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEP
T {return type();} |
| 173 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOE
XCEPT {return type();} |
| 174 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCE
PT {return type();} |
| 175 |
| 176 static _LIBCPP_CONSTEXPR const bool is_iec559 = false; |
| 177 static _LIBCPP_CONSTEXPR const bool is_bounded = false; |
| 178 static _LIBCPP_CONSTEXPR const bool is_modulo = false; |
| 179 |
| 180 static _LIBCPP_CONSTEXPR const bool traps = false; |
| 181 static _LIBCPP_CONSTEXPR const bool tinyness_before = false; |
| 182 static _LIBCPP_CONSTEXPR const float_round_style round_style = round_toward_
zero; |
| 183 }; |
| 184 |
| 185 template <class _Tp, int digits, bool is_signed> |
| 186 struct __libcpp_compute_min |
| 187 { |
| 188 static _LIBCPP_CONSTEXPR const _Tp value = _Tp(_Tp(1) << digits); |
| 189 }; |
| 190 |
| 191 template <class _Tp, int digits> |
| 192 struct __libcpp_compute_min<_Tp, digits, false> |
| 193 { |
| 194 static _LIBCPP_CONSTEXPR const _Tp value = _Tp(0); |
| 195 }; |
| 196 |
| 197 template <class _Tp> |
| 198 class __libcpp_numeric_limits<_Tp, true> |
| 199 { |
| 200 protected: |
| 201 typedef _Tp type; |
| 202 |
| 203 static _LIBCPP_CONSTEXPR const bool is_specialized = true; |
| 204 |
| 205 static _LIBCPP_CONSTEXPR const bool is_signed = type(-1) < type(0); |
| 206 static _LIBCPP_CONSTEXPR const int digits = static_cast<int>(sizeof(type) *
__CHAR_BIT__ - is_signed); |
| 207 static _LIBCPP_CONSTEXPR const int digits10 = digits * 3 / 10; |
| 208 static _LIBCPP_CONSTEXPR const int max_digits10 = 0; |
| 209 static _LIBCPP_CONSTEXPR const type __min = __libcpp_compute_min<type, digit
s, is_signed>::value; |
| 210 static _LIBCPP_CONSTEXPR const type __max = is_signed ? type(type(~0) ^ __mi
n) : type(~0); |
| 211 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {ret
urn __min;} |
| 212 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {ret
urn __max;} |
| 213 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {
return min();} |
| 214 |
| 215 static _LIBCPP_CONSTEXPR const bool is_integer = true; |
| 216 static _LIBCPP_CONSTEXPR const bool is_exact = true; |
| 217 static _LIBCPP_CONSTEXPR const int radix = 2; |
| 218 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT
{return type(0);} |
| 219 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXC
EPT {return type(0);} |
| 220 |
| 221 static _LIBCPP_CONSTEXPR const int min_exponent = 0; |
| 222 static _LIBCPP_CONSTEXPR const int min_exponent10 = 0; |
| 223 static _LIBCPP_CONSTEXPR const int max_exponent = 0; |
| 224 static _LIBCPP_CONSTEXPR const int max_exponent10 = 0; |
| 225 |
| 226 static _LIBCPP_CONSTEXPR const bool has_infinity = false; |
| 227 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = false; |
| 228 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = false; |
| 229 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_absent
; |
| 230 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false; |
| 231 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT
{return type(0);} |
| 232 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEP
T {return type(0);} |
| 233 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOE
XCEPT {return type(0);} |
| 234 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCE
PT {return type(0);} |
| 235 |
| 236 static _LIBCPP_CONSTEXPR const bool is_iec559 = false; |
| 237 static _LIBCPP_CONSTEXPR const bool is_bounded = true; |
| 238 static _LIBCPP_CONSTEXPR const bool is_modulo = true; |
| 239 |
| 240 #if __i386__ || __x86_64__ |
| 241 static _LIBCPP_CONSTEXPR const bool traps = true; |
| 242 #else |
| 243 static _LIBCPP_CONSTEXPR const bool traps = false; |
| 244 #endif |
| 245 static _LIBCPP_CONSTEXPR const bool tinyness_before = false; |
| 246 static _LIBCPP_CONSTEXPR const float_round_style round_style = round_toward_
zero; |
| 247 }; |
| 248 |
| 249 template <> |
| 250 class __libcpp_numeric_limits<bool, true> |
| 251 { |
| 252 protected: |
| 253 typedef bool type; |
| 254 |
| 255 static _LIBCPP_CONSTEXPR const bool is_specialized = true; |
| 256 |
| 257 static _LIBCPP_CONSTEXPR const bool is_signed = false; |
| 258 static _LIBCPP_CONSTEXPR const int digits = 1; |
| 259 static _LIBCPP_CONSTEXPR const int digits10 = 0; |
| 260 static _LIBCPP_CONSTEXPR const int max_digits10 = 0; |
| 261 static _LIBCPP_CONSTEXPR const type __min = false; |
| 262 static _LIBCPP_CONSTEXPR const type __max = true; |
| 263 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {ret
urn __min;} |
| 264 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {ret
urn __max;} |
| 265 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {
return min();} |
| 266 |
| 267 static _LIBCPP_CONSTEXPR const bool is_integer = true; |
| 268 static _LIBCPP_CONSTEXPR const bool is_exact = true; |
| 269 static _LIBCPP_CONSTEXPR const int radix = 2; |
| 270 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT
{return type(0);} |
| 271 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXC
EPT {return type(0);} |
| 272 |
| 273 static _LIBCPP_CONSTEXPR const int min_exponent = 0; |
| 274 static _LIBCPP_CONSTEXPR const int min_exponent10 = 0; |
| 275 static _LIBCPP_CONSTEXPR const int max_exponent = 0; |
| 276 static _LIBCPP_CONSTEXPR const int max_exponent10 = 0; |
| 277 |
| 278 static _LIBCPP_CONSTEXPR const bool has_infinity = false; |
| 279 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = false; |
| 280 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = false; |
| 281 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_absent
; |
| 282 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false; |
| 283 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT
{return type(0);} |
| 284 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEP
T {return type(0);} |
| 285 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOE
XCEPT {return type(0);} |
| 286 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCE
PT {return type(0);} |
| 287 |
| 288 static _LIBCPP_CONSTEXPR const bool is_iec559 = false; |
| 289 static _LIBCPP_CONSTEXPR const bool is_bounded = true; |
| 290 static _LIBCPP_CONSTEXPR const bool is_modulo = false; |
| 291 |
| 292 static _LIBCPP_CONSTEXPR const bool traps = false; |
| 293 static _LIBCPP_CONSTEXPR const bool tinyness_before = false; |
| 294 static _LIBCPP_CONSTEXPR const float_round_style round_style = round_toward_
zero; |
| 295 }; |
| 296 |
| 297 template <> |
| 298 class __libcpp_numeric_limits<float, true> |
| 299 { |
| 300 protected: |
| 301 typedef float type; |
| 302 |
| 303 static _LIBCPP_CONSTEXPR const bool is_specialized = true; |
| 304 |
| 305 static _LIBCPP_CONSTEXPR const bool is_signed = true; |
| 306 static _LIBCPP_CONSTEXPR const int digits = __FLT_MANT_DIG__; |
| 307 static _LIBCPP_CONSTEXPR const int digits10 = __FLT_DIG__; |
| 308 static _LIBCPP_CONSTEXPR const int max_digits10 = 2+(digits * 30103)/100000
; |
| 309 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {ret
urn __FLT_MIN__;} |
| 310 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {ret
urn __FLT_MAX__;} |
| 311 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {
return -max();} |
| 312 |
| 313 static _LIBCPP_CONSTEXPR const bool is_integer = false; |
| 314 static _LIBCPP_CONSTEXPR const bool is_exact = false; |
| 315 static _LIBCPP_CONSTEXPR const int radix = __FLT_RADIX__; |
| 316 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT
{return __FLT_EPSILON__;} |
| 317 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXC
EPT {return 0.5F;} |
| 318 |
| 319 static _LIBCPP_CONSTEXPR const int min_exponent = __FLT_MIN_EXP__; |
| 320 static _LIBCPP_CONSTEXPR const int min_exponent10 = __FLT_MIN_10_EXP__; |
| 321 static _LIBCPP_CONSTEXPR const int max_exponent = __FLT_MAX_EXP__; |
| 322 static _LIBCPP_CONSTEXPR const int max_exponent10 = __FLT_MAX_10_EXP__; |
| 323 |
| 324 static _LIBCPP_CONSTEXPR const bool has_infinity = true; |
| 325 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = true; |
| 326 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = true; |
| 327 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_presen
t; |
| 328 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false; |
| 329 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT
{return __builtin_huge_valf();} |
| 330 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEP
T {return __builtin_nanf("");} |
| 331 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOE
XCEPT {return __builtin_nansf("");} |
| 332 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCE
PT {return __FLT_DENORM_MIN__;} |
| 333 |
| 334 static _LIBCPP_CONSTEXPR const bool is_iec559 = true; |
| 335 static _LIBCPP_CONSTEXPR const bool is_bounded = true; |
| 336 static _LIBCPP_CONSTEXPR const bool is_modulo = false; |
| 337 |
| 338 static _LIBCPP_CONSTEXPR const bool traps = false; |
| 339 static _LIBCPP_CONSTEXPR const bool tinyness_before = false; |
| 340 static _LIBCPP_CONSTEXPR const float_round_style round_style = round_to_near
est; |
| 341 }; |
| 342 |
| 343 template <> |
| 344 class __libcpp_numeric_limits<double, true> |
| 345 { |
| 346 protected: |
| 347 typedef double type; |
| 348 |
| 349 static _LIBCPP_CONSTEXPR const bool is_specialized = true; |
| 350 |
| 351 static _LIBCPP_CONSTEXPR const bool is_signed = true; |
| 352 static _LIBCPP_CONSTEXPR const int digits = __DBL_MANT_DIG__; |
| 353 static _LIBCPP_CONSTEXPR const int digits10 = __DBL_DIG__; |
| 354 static _LIBCPP_CONSTEXPR const int max_digits10 = 2+(digits * 30103)/100000
; |
| 355 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {ret
urn __DBL_MIN__;} |
| 356 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {ret
urn __DBL_MAX__;} |
| 357 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {
return -max();} |
| 358 |
| 359 static _LIBCPP_CONSTEXPR const bool is_integer = false; |
| 360 static _LIBCPP_CONSTEXPR const bool is_exact = false; |
| 361 static _LIBCPP_CONSTEXPR const int radix = __FLT_RADIX__; |
| 362 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT
{return __DBL_EPSILON__;} |
| 363 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXC
EPT {return 0.5;} |
| 364 |
| 365 static _LIBCPP_CONSTEXPR const int min_exponent = __DBL_MIN_EXP__; |
| 366 static _LIBCPP_CONSTEXPR const int min_exponent10 = __DBL_MIN_10_EXP__; |
| 367 static _LIBCPP_CONSTEXPR const int max_exponent = __DBL_MAX_EXP__; |
| 368 static _LIBCPP_CONSTEXPR const int max_exponent10 = __DBL_MAX_10_EXP__; |
| 369 |
| 370 static _LIBCPP_CONSTEXPR const bool has_infinity = true; |
| 371 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = true; |
| 372 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = true; |
| 373 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_presen
t; |
| 374 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false; |
| 375 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT
{return __builtin_huge_val();} |
| 376 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEP
T {return __builtin_nan("");} |
| 377 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOE
XCEPT {return __builtin_nans("");} |
| 378 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCE
PT {return __DBL_DENORM_MIN__;} |
| 379 |
| 380 static _LIBCPP_CONSTEXPR const bool is_iec559 = true; |
| 381 static _LIBCPP_CONSTEXPR const bool is_bounded = true; |
| 382 static _LIBCPP_CONSTEXPR const bool is_modulo = false; |
| 383 |
| 384 static _LIBCPP_CONSTEXPR const bool traps = false; |
| 385 static _LIBCPP_CONSTEXPR const bool tinyness_before = false; |
| 386 static _LIBCPP_CONSTEXPR const float_round_style round_style = round_to_near
est; |
| 387 }; |
| 388 |
| 389 template <> |
| 390 class __libcpp_numeric_limits<long double, true> |
| 391 { |
| 392 protected: |
| 393 typedef long double type; |
| 394 |
| 395 static _LIBCPP_CONSTEXPR const bool is_specialized = true; |
| 396 |
| 397 static _LIBCPP_CONSTEXPR const bool is_signed = true; |
| 398 static _LIBCPP_CONSTEXPR const int digits = __LDBL_MANT_DIG__; |
| 399 static _LIBCPP_CONSTEXPR const int digits10 = __LDBL_DIG__; |
| 400 static _LIBCPP_CONSTEXPR const int max_digits10 = 2+(digits * 30103)/100000
; |
| 401 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {ret
urn __LDBL_MIN__;} |
| 402 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {ret
urn __LDBL_MAX__;} |
| 403 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {
return -max();} |
| 404 |
| 405 static _LIBCPP_CONSTEXPR const bool is_integer = false; |
| 406 static _LIBCPP_CONSTEXPR const bool is_exact = false; |
| 407 static _LIBCPP_CONSTEXPR const int radix = __FLT_RADIX__; |
| 408 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT
{return __LDBL_EPSILON__;} |
| 409 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXC
EPT {return 0.5;} |
| 410 |
| 411 static _LIBCPP_CONSTEXPR const int min_exponent = __LDBL_MIN_EXP__; |
| 412 static _LIBCPP_CONSTEXPR const int min_exponent10 = __LDBL_MIN_10_EXP__; |
| 413 static _LIBCPP_CONSTEXPR const int max_exponent = __LDBL_MAX_EXP__; |
| 414 static _LIBCPP_CONSTEXPR const int max_exponent10 = __LDBL_MAX_10_EXP__; |
| 415 |
| 416 static _LIBCPP_CONSTEXPR const bool has_infinity = true; |
| 417 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = true; |
| 418 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = true; |
| 419 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_presen
t; |
| 420 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false; |
| 421 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT
{return __builtin_huge_vall();} |
| 422 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEP
T {return __builtin_nanl("");} |
| 423 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOE
XCEPT {return __builtin_nansl("");} |
| 424 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCE
PT {return __LDBL_DENORM_MIN__;} |
| 425 |
| 426 #if (defined(__ppc__) || defined(__ppc64__)) |
| 427 static _LIBCPP_CONSTEXPR const bool is_iec559 = false; |
| 428 #else |
| 429 static _LIBCPP_CONSTEXPR const bool is_iec559 = true; |
| 430 #endif |
| 431 static _LIBCPP_CONSTEXPR const bool is_bounded = true; |
| 432 static _LIBCPP_CONSTEXPR const bool is_modulo = false; |
| 433 |
| 434 static _LIBCPP_CONSTEXPR const bool traps = false; |
| 435 static _LIBCPP_CONSTEXPR const bool tinyness_before = false; |
| 436 static _LIBCPP_CONSTEXPR const float_round_style round_style = round_to_near
est; |
| 437 }; |
| 438 |
| 439 template <class _Tp> |
| 440 class _LIBCPP_TYPE_VIS_ONLY numeric_limits |
| 441 : private __libcpp_numeric_limits<typename remove_cv<_Tp>::type> |
| 442 { |
| 443 typedef __libcpp_numeric_limits<typename remove_cv<_Tp>::type> __base; |
| 444 typedef typename __base::type type; |
| 445 public: |
| 446 static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized; |
| 447 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {ret
urn __base::min();} |
| 448 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {ret
urn __base::max();} |
| 449 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {
return __base::lowest();} |
| 450 |
| 451 static _LIBCPP_CONSTEXPR const int digits = __base::digits; |
| 452 static _LIBCPP_CONSTEXPR const int digits10 = __base::digits10; |
| 453 static _LIBCPP_CONSTEXPR const int max_digits10 = __base::max_digits10; |
| 454 static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed; |
| 455 static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer; |
| 456 static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact; |
| 457 static _LIBCPP_CONSTEXPR const int radix = __base::radix; |
| 458 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT
{return __base::epsilon();} |
| 459 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXC
EPT {return __base::round_error();} |
| 460 |
| 461 static _LIBCPP_CONSTEXPR const int min_exponent = __base::min_exponent; |
| 462 static _LIBCPP_CONSTEXPR const int min_exponent10 = __base::min_exponent10; |
| 463 static _LIBCPP_CONSTEXPR const int max_exponent = __base::max_exponent; |
| 464 static _LIBCPP_CONSTEXPR const int max_exponent10 = __base::max_exponent10; |
| 465 |
| 466 static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity; |
| 467 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN; |
| 468 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signalin
g_NaN; |
| 469 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_d
enorm; |
| 470 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_los
s; |
| 471 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT
{return __base::infinity();} |
| 472 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEP
T {return __base::quiet_NaN();} |
| 473 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOE
XCEPT {return __base::signaling_NaN();} |
| 474 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCE
PT {return __base::denorm_min();} |
| 475 |
| 476 static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559; |
| 477 static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded; |
| 478 static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo; |
| 479 |
| 480 static _LIBCPP_CONSTEXPR const bool traps = __base::traps; |
| 481 static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_befor
e; |
| 482 static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round
_style; |
| 483 }; |
| 484 |
| 485 template <class _Tp> |
| 486 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_specialized; |
| 487 template <class _Tp> |
| 488 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::digits; |
| 489 template <class _Tp> |
| 490 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::digits10; |
| 491 template <class _Tp> |
| 492 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::max_digits10; |
| 493 template <class _Tp> |
| 494 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_signed; |
| 495 template <class _Tp> |
| 496 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_integer; |
| 497 template <class _Tp> |
| 498 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_exact; |
| 499 template <class _Tp> |
| 500 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::radix; |
| 501 template <class _Tp> |
| 502 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::min_exponent; |
| 503 template <class _Tp> |
| 504 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::min_exponent10; |
| 505 template <class _Tp> |
| 506 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::max_exponent; |
| 507 template <class _Tp> |
| 508 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::max_exponent10; |
| 509 template <class _Tp> |
| 510 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_infinity; |
| 511 template <class _Tp> |
| 512 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_quiet_NaN; |
| 513 template <class _Tp> |
| 514 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_signaling_NaN; |
| 515 template <class _Tp> |
| 516 _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<_Tp>::has_denorm; |
| 517 template <class _Tp> |
| 518 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_denorm_loss; |
| 519 template <class _Tp> |
| 520 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_iec559; |
| 521 template <class _Tp> |
| 522 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_bounded; |
| 523 template <class _Tp> |
| 524 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_modulo; |
| 525 template <class _Tp> |
| 526 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::traps; |
| 527 template <class _Tp> |
| 528 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::tinyness_before; |
| 529 template <class _Tp> |
| 530 _LIBCPP_CONSTEXPR const float_round_style numeric_limits<_Tp>::round_style; |
| 531 |
| 532 template <class _Tp> |
| 533 class _LIBCPP_TYPE_VIS_ONLY numeric_limits<const _Tp> |
| 534 : private numeric_limits<_Tp> |
| 535 { |
| 536 typedef numeric_limits<_Tp> __base; |
| 537 typedef _Tp type; |
| 538 public: |
| 539 static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized; |
| 540 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {ret
urn __base::min();} |
| 541 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {ret
urn __base::max();} |
| 542 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {
return __base::lowest();} |
| 543 |
| 544 static _LIBCPP_CONSTEXPR const int digits = __base::digits; |
| 545 static _LIBCPP_CONSTEXPR const int digits10 = __base::digits10; |
| 546 static _LIBCPP_CONSTEXPR const int max_digits10 = __base::max_digits10; |
| 547 static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed; |
| 548 static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer; |
| 549 static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact; |
| 550 static _LIBCPP_CONSTEXPR const int radix = __base::radix; |
| 551 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT
{return __base::epsilon();} |
| 552 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXC
EPT {return __base::round_error();} |
| 553 |
| 554 static _LIBCPP_CONSTEXPR const int min_exponent = __base::min_exponent; |
| 555 static _LIBCPP_CONSTEXPR const int min_exponent10 = __base::min_exponent10; |
| 556 static _LIBCPP_CONSTEXPR const int max_exponent = __base::max_exponent; |
| 557 static _LIBCPP_CONSTEXPR const int max_exponent10 = __base::max_exponent10; |
| 558 |
| 559 static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity; |
| 560 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN; |
| 561 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signalin
g_NaN; |
| 562 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_d
enorm; |
| 563 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_los
s; |
| 564 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT
{return __base::infinity();} |
| 565 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEP
T {return __base::quiet_NaN();} |
| 566 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOE
XCEPT {return __base::signaling_NaN();} |
| 567 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCE
PT {return __base::denorm_min();} |
| 568 |
| 569 static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559; |
| 570 static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded; |
| 571 static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo; |
| 572 |
| 573 static _LIBCPP_CONSTEXPR const bool traps = __base::traps; |
| 574 static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_befor
e; |
| 575 static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round
_style; |
| 576 }; |
| 577 |
| 578 template <class _Tp> |
| 579 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_specialized; |
| 580 template <class _Tp> |
| 581 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::digits; |
| 582 template <class _Tp> |
| 583 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::digits10; |
| 584 template <class _Tp> |
| 585 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::max_digits10; |
| 586 template <class _Tp> |
| 587 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_signed; |
| 588 template <class _Tp> |
| 589 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_integer; |
| 590 template <class _Tp> |
| 591 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_exact; |
| 592 template <class _Tp> |
| 593 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::radix; |
| 594 template <class _Tp> |
| 595 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::min_exponent; |
| 596 template <class _Tp> |
| 597 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::min_exponent10; |
| 598 template <class _Tp> |
| 599 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::max_exponent; |
| 600 template <class _Tp> |
| 601 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::max_exponent10; |
| 602 template <class _Tp> |
| 603 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_infinity; |
| 604 template <class _Tp> |
| 605 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_quiet_NaN; |
| 606 template <class _Tp> |
| 607 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_signaling_NaN; |
| 608 template <class _Tp> |
| 609 _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<const _Tp>::has_de
norm; |
| 610 template <class _Tp> |
| 611 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_denorm_loss; |
| 612 template <class _Tp> |
| 613 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_iec559; |
| 614 template <class _Tp> |
| 615 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_bounded; |
| 616 template <class _Tp> |
| 617 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_modulo; |
| 618 template <class _Tp> |
| 619 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::traps; |
| 620 template <class _Tp> |
| 621 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::tinyness_before; |
| 622 template <class _Tp> |
| 623 _LIBCPP_CONSTEXPR const float_round_style numeric_limits<const _Tp>::round_s
tyle; |
| 624 |
| 625 template <class _Tp> |
| 626 class _LIBCPP_TYPE_VIS_ONLY numeric_limits<volatile _Tp> |
| 627 : private numeric_limits<_Tp> |
| 628 { |
| 629 typedef numeric_limits<_Tp> __base; |
| 630 typedef _Tp type; |
| 631 public: |
| 632 static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized; |
| 633 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {ret
urn __base::min();} |
| 634 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {ret
urn __base::max();} |
| 635 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {
return __base::lowest();} |
| 636 |
| 637 static _LIBCPP_CONSTEXPR const int digits = __base::digits; |
| 638 static _LIBCPP_CONSTEXPR const int digits10 = __base::digits10; |
| 639 static _LIBCPP_CONSTEXPR const int max_digits10 = __base::max_digits10; |
| 640 static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed; |
| 641 static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer; |
| 642 static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact; |
| 643 static _LIBCPP_CONSTEXPR const int radix = __base::radix; |
| 644 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT
{return __base::epsilon();} |
| 645 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXC
EPT {return __base::round_error();} |
| 646 |
| 647 static _LIBCPP_CONSTEXPR const int min_exponent = __base::min_exponent; |
| 648 static _LIBCPP_CONSTEXPR const int min_exponent10 = __base::min_exponent10; |
| 649 static _LIBCPP_CONSTEXPR const int max_exponent = __base::max_exponent; |
| 650 static _LIBCPP_CONSTEXPR const int max_exponent10 = __base::max_exponent10; |
| 651 |
| 652 static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity; |
| 653 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN; |
| 654 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signalin
g_NaN; |
| 655 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_d
enorm; |
| 656 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_los
s; |
| 657 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT
{return __base::infinity();} |
| 658 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEP
T {return __base::quiet_NaN();} |
| 659 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOE
XCEPT {return __base::signaling_NaN();} |
| 660 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCE
PT {return __base::denorm_min();} |
| 661 |
| 662 static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559; |
| 663 static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded; |
| 664 static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo; |
| 665 |
| 666 static _LIBCPP_CONSTEXPR const bool traps = __base::traps; |
| 667 static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_befor
e; |
| 668 static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round
_style; |
| 669 }; |
| 670 |
| 671 template <class _Tp> |
| 672 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_specialized; |
| 673 template <class _Tp> |
| 674 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::digits; |
| 675 template <class _Tp> |
| 676 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::digits10; |
| 677 template <class _Tp> |
| 678 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::max_digits10; |
| 679 template <class _Tp> |
| 680 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_signed; |
| 681 template <class _Tp> |
| 682 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_integer; |
| 683 template <class _Tp> |
| 684 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_exact; |
| 685 template <class _Tp> |
| 686 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::radix; |
| 687 template <class _Tp> |
| 688 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::min_exponent; |
| 689 template <class _Tp> |
| 690 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::min_exponent10; |
| 691 template <class _Tp> |
| 692 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::max_exponent; |
| 693 template <class _Tp> |
| 694 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::max_exponent10; |
| 695 template <class _Tp> |
| 696 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_infinity; |
| 697 template <class _Tp> |
| 698 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_quiet_NaN; |
| 699 template <class _Tp> |
| 700 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_signaling_NaN
; |
| 701 template <class _Tp> |
| 702 _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<volatile _Tp>::has
_denorm; |
| 703 template <class _Tp> |
| 704 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_denorm_loss; |
| 705 template <class _Tp> |
| 706 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_iec559; |
| 707 template <class _Tp> |
| 708 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_bounded; |
| 709 template <class _Tp> |
| 710 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_modulo; |
| 711 template <class _Tp> |
| 712 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::traps; |
| 713 template <class _Tp> |
| 714 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::tinyness_before; |
| 715 template <class _Tp> |
| 716 _LIBCPP_CONSTEXPR const float_round_style numeric_limits<volatile _Tp>::roun
d_style; |
| 717 |
| 718 template <class _Tp> |
| 719 class _LIBCPP_TYPE_VIS_ONLY numeric_limits<const volatile _Tp> |
| 720 : private numeric_limits<_Tp> |
| 721 { |
| 722 typedef numeric_limits<_Tp> __base; |
| 723 typedef _Tp type; |
| 724 public: |
| 725 static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized; |
| 726 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {ret
urn __base::min();} |
| 727 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {ret
urn __base::max();} |
| 728 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {
return __base::lowest();} |
| 729 |
| 730 static _LIBCPP_CONSTEXPR const int digits = __base::digits; |
| 731 static _LIBCPP_CONSTEXPR const int digits10 = __base::digits10; |
| 732 static _LIBCPP_CONSTEXPR const int max_digits10 = __base::max_digits10; |
| 733 static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed; |
| 734 static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer; |
| 735 static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact; |
| 736 static _LIBCPP_CONSTEXPR const int radix = __base::radix; |
| 737 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT
{return __base::epsilon();} |
| 738 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXC
EPT {return __base::round_error();} |
| 739 |
| 740 static _LIBCPP_CONSTEXPR const int min_exponent = __base::min_exponent; |
| 741 static _LIBCPP_CONSTEXPR const int min_exponent10 = __base::min_exponent10; |
| 742 static _LIBCPP_CONSTEXPR const int max_exponent = __base::max_exponent; |
| 743 static _LIBCPP_CONSTEXPR const int max_exponent10 = __base::max_exponent10; |
| 744 |
| 745 static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity; |
| 746 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN; |
| 747 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signalin
g_NaN; |
| 748 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_d
enorm; |
| 749 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_los
s; |
| 750 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT
{return __base::infinity();} |
| 751 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEP
T {return __base::quiet_NaN();} |
| 752 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOE
XCEPT {return __base::signaling_NaN();} |
| 753 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCE
PT {return __base::denorm_min();} |
| 754 |
| 755 static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559; |
| 756 static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded; |
| 757 static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo; |
| 758 |
| 759 static _LIBCPP_CONSTEXPR const bool traps = __base::traps; |
| 760 static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_befor
e; |
| 761 static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round
_style; |
| 762 }; |
| 763 |
| 764 template <class _Tp> |
| 765 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_speciali
zed; |
| 766 template <class _Tp> |
| 767 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::digits; |
| 768 template <class _Tp> |
| 769 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::digits10; |
| 770 template <class _Tp> |
| 771 const int numeric_limits<const volatile _Tp>::max_digits10; |
| 772 template <class _Tp> |
| 773 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_signed; |
| 774 template <class _Tp> |
| 775 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_integer; |
| 776 template <class _Tp> |
| 777 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_exact; |
| 778 template <class _Tp> |
| 779 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::radix; |
| 780 template <class _Tp> |
| 781 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::min_exponent
; |
| 782 template <class _Tp> |
| 783 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::min_exponent
10; |
| 784 template <class _Tp> |
| 785 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::max_exponent
; |
| 786 template <class _Tp> |
| 787 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::max_exponent
10; |
| 788 template <class _Tp> |
| 789 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_infinit
y; |
| 790 template <class _Tp> |
| 791 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_quiet_N
aN; |
| 792 template <class _Tp> |
| 793 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_signali
ng_NaN; |
| 794 template <class _Tp> |
| 795 _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<const volatile _Tp
>::has_denorm; |
| 796 template <class _Tp> |
| 797 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_denorm_
loss; |
| 798 template <class _Tp> |
| 799 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_iec559; |
| 800 template <class _Tp> |
| 801 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_bounded; |
| 802 template <class _Tp> |
| 803 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_modulo; |
| 804 template <class _Tp> |
| 805 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::traps; |
| 806 template <class _Tp> |
| 807 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::tinyness_be
fore; |
| 808 template <class _Tp> |
| 809 _LIBCPP_CONSTEXPR const float_round_style numeric_limits<const volatile _Tp>
::round_style; |
| 810 |
| 811 _LIBCPP_END_NAMESPACE_STD |
| 812 |
| 813 #endif // _LIBCPP_LIMITS |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 75213003:
Add libc++ and libc++abi to third-party. (Closed)
Base URL: https://src.chromium.org/chrome/trunk/src/