projects / thirdparty / gcc.git / blame
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| 94a86be0 | 1 | // The template and inlines for the numeric_limits classes. -*- C++ -*- |
| de96ac46 | 2 | |
| 748086b7 | 3 | // Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, |
| 4d4cf144 | 4 | // 2008, 2009, 2010, 2011 Free Software Foundation, Inc. |
| de96ac46 BK |
5 | // |
| 6 | // This file is part of the GNU ISO C++ Library. This library is free | |
| 7 | // software; you can redistribute it and/or modify it under the | |
| 8 | // terms of the GNU General Public License as published by the | |
| 748086b7 | 9 | // Free Software Foundation; either version 3, or (at your option) |
| de96ac46 BK |
10 | // any later version. |
| 11 | ||
| 12 | // This library 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 | ||
| 748086b7 JJ |
17 | // Under Section 7 of GPL version 3, you are granted additional |
| 18 | // permissions described in the GCC Runtime Library Exception, version | |
| 19 | // 3.1, as published by the Free Software Foundation. | |
| 20 | ||
| 21 | // You should have received a copy of the GNU General Public License and | |
| 22 | // a copy of the GCC Runtime Library Exception along with this program; | |
| 23 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 24 | // <http://www.gnu.org/licenses/>. | |
| de96ac46 | 25 | |
| f910786b | 26 | /** @file include/limits |
| 0aa06b18 BK |
27 | * This is a Standard C++ Library header. |
| 28 | */ | |
| 29 | ||
| 54c1bf78 BK |
30 | // Note: this is not a conforming implementation. |
| 31 | // Written by Gabriel Dos Reis <gdr@codesourcery.com> | |
| 32 | ||
| 33 | // | |
| 34 | // ISO 14882:1998 | |
| 35 | // 18.2.1 | |
| 36 | // | |
| 37 | ||
| 1143680e SE |
38 | #ifndef _GLIBCXX_NUMERIC_LIMITS |
| 39 | #define _GLIBCXX_NUMERIC_LIMITS 1 | |
| 54c1bf78 BK |
40 | |
| 41 | #pragma GCC system_header | |
| 42 | ||
| 54c1bf78 BK |
43 | #include <bits/c++config.h> |
| 44 | ||
| 45 | // | |
| 46 | // The numeric_limits<> traits document implementation-defined aspects | |
| 47 | // of fundamental arithmetic data types (integers and floating points). | |
| ce4674f2 | 48 | // From Standard C++ point of view, there are 14 such types: |
| 54c1bf78 | 49 | // * integers |
| 94a86be0 | 50 | // bool (1) |
| ce4674f2 | 51 | // char, signed char, unsigned char, wchar_t (4) |
| 54c1bf78 BK |
52 | // short, unsigned short (2) |
| 53 | // int, unsigned (2) | |
| 54 | // long, unsigned long (2) | |
| 55 | // | |
| 56 | // * floating points | |
| 57 | // float (1) | |
| 58 | // double (1) | |
| 59 | // long double (1) | |
| 60 | // | |
| 28dac70a | 61 | // GNU C++ understands (where supported by the host C-library) |
| 54c1bf78 BK |
62 | // * integer |
| 63 | // long long, unsigned long long (2) | |
| 64 | // | |
| ce4674f2 | 65 | // which brings us to 16 fundamental arithmetic data types in GNU C++. |
| 54c1bf78 | 66 | // |
| 6ad8f949 | 67 | // |
| 54c1bf78 BK |
68 | // Since a numeric_limits<> is a bit tricky to get right, we rely on |
| 69 | // an interface composed of macros which should be defined in config/os | |
| 70 | // or config/cpu when they differ from the generic (read arbitrary) | |
| 71 | // definitions given here. | |
| 72 | // | |
| 73 | ||
| 585e661a GDR |
74 | // These values can be overridden in the target configuration file. |
| 75 | // The default values are appropriate for many 32-bit targets. | |
| 54c1bf78 | 76 | |
| 28dac70a | 77 | // GCC only intrinsically supports modulo integral types. The only remaining |
| da28539c RH |
78 | // integral exceptional values is division by zero. Only targets that do not |
| 79 | // signal division by zero in some "hard to ignore" way should use false. | |
| 2778669a PE |
80 | #ifndef __glibcxx_integral_traps |
| 81 | # define __glibcxx_integral_traps true | |
| 54c1bf78 BK |
82 | #endif |
| 83 | ||
| 54c1bf78 BK |
84 | // float |
| 85 | // | |
| 86 | ||
| 28dac70a | 87 | // Default values. Should be overridden in configuration files if necessary. |
| 54c1bf78 | 88 | |
| 2778669a PE |
89 | #ifndef __glibcxx_float_has_denorm_loss |
| 90 | # define __glibcxx_float_has_denorm_loss false | |
| 54c1bf78 | 91 | #endif |
| 2778669a PE |
92 | #ifndef __glibcxx_float_traps |
| 93 | # define __glibcxx_float_traps false | |
| 54c1bf78 | 94 | #endif |
| 2778669a PE |
95 | #ifndef __glibcxx_float_tinyness_before |
| 96 | # define __glibcxx_float_tinyness_before false | |
| 54c1bf78 BK |
97 | #endif |
| 98 | ||
| 54c1bf78 BK |
99 | // double |
| 100 | ||
| 28dac70a | 101 | // Default values. Should be overridden in configuration files if necessary. |
| 54c1bf78 | 102 | |
| 2778669a PE |
103 | #ifndef __glibcxx_double_has_denorm_loss |
| 104 | # define __glibcxx_double_has_denorm_loss false | |
| 54c1bf78 | 105 | #endif |
| 2778669a PE |
106 | #ifndef __glibcxx_double_traps |
| 107 | # define __glibcxx_double_traps false | |
| 54c1bf78 | 108 | #endif |
| 2778669a PE |
109 | #ifndef __glibcxx_double_tinyness_before |
| 110 | # define __glibcxx_double_tinyness_before false | |
| 54c1bf78 BK |
111 | #endif |
| 112 | ||
| 54c1bf78 BK |
113 | // long double |
| 114 | ||
| 28dac70a | 115 | // Default values. Should be overridden in configuration files if necessary. |
| 54c1bf78 | 116 | |
| 2778669a PE |
117 | #ifndef __glibcxx_long_double_has_denorm_loss |
| 118 | # define __glibcxx_long_double_has_denorm_loss false | |
| 54c1bf78 | 119 | #endif |
| 2778669a PE |
120 | #ifndef __glibcxx_long_double_traps |
| 121 | # define __glibcxx_long_double_traps false | |
| 54c1bf78 | 122 | #endif |
| 2778669a PE |
123 | #ifndef __glibcxx_long_double_tinyness_before |
| 124 | # define __glibcxx_long_double_tinyness_before false | |
| 725dc051 | 125 | #endif |
| 54c1bf78 | 126 | |
| 6ad8f949 RH |
127 | // You should not need to define any macros below this point. |
| 128 | ||
| 2778669a | 129 | #define __glibcxx_signed(T) ((T)(-1) < 0) |
| 6ad8f949 | 130 | |
| 2778669a PE |
131 | #define __glibcxx_min(T) \ |
| 132 | (__glibcxx_signed (T) ? (T)1 << __glibcxx_digits (T) : (T)0) | |
| 6ad8f949 | 133 | |
| 2778669a | 134 | #define __glibcxx_max(T) \ |
| 6ae39fd9 ILT |
135 | (__glibcxx_signed (T) ? \ |
| 136 | (((((T)1 << (__glibcxx_digits (T) - 1)) - 1) << 1) + 1) : ~(T)0) | |
| 6ad8f949 | 137 | |
| 2778669a PE |
138 | #define __glibcxx_digits(T) \ |
| 139 | (sizeof(T) * __CHAR_BIT__ - __glibcxx_signed (T)) | |
| 6ad8f949 RH |
140 | |
| 141 | // The fraction 643/2136 approximates log10(2) to 7 significant digits. | |
| 2778669a | 142 | #define __glibcxx_digits10(T) \ |
| dd60dacd | 143 | (__glibcxx_digits (T) * 643L / 2136) |
| 6ad8f949 | 144 | |
| 018afad3 | 145 | #define __glibcxx_max_digits10(T) \ |
| dd60dacd | 146 | (2 + (T) * 643L / 2136) |
| 54c1bf78 | 147 | |
| 12ffa228 BK |
148 | namespace std _GLIBCXX_VISIBILITY(default) |
| 149 | { | |
| 150 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
| 3cbc7af0 | 151 | |
| bd2726e0 PE |
152 | /** |
| 153 | * @brief Describes the rounding style for floating-point types. | |
| 154 | * | |
| 155 | * This is used in the std::numeric_limits class. | |
| 156 | */ | |
| 6ad8f949 | 157 | enum float_round_style |
| 54c1bf78 | 158 | { |
| f910786b BK |
159 | round_indeterminate = -1, /// Intermediate. |
| 160 | round_toward_zero = 0, /// To zero. | |
| 161 | round_to_nearest = 1, /// To the nearest representable value. | |
| 162 | round_toward_infinity = 2, /// To infinity. | |
| 163 | round_toward_neg_infinity = 3 /// To negative infinity. | |
| 54c1bf78 BK |
164 | }; |
| 165 | ||
| bd2726e0 PE |
166 | /** |
| 167 | * @brief Describes the denormalization for floating-point types. | |
| 168 | * | |
| 169 | * These values represent the presence or absence of a variable number | |
| 170 | * of exponent bits. This type is used in the std::numeric_limits class. | |
| 171 | */ | |
| 6ad8f949 | 172 | enum float_denorm_style |
| 54c1bf78 | 173 | { |
| bd2726e0 | 174 | /// Indeterminate at compile time whether denormalized values are allowed. |
| 54c1bf78 | 175 | denorm_indeterminate = -1, |
| bd2726e0 | 176 | /// The type does not allow denormalized values. |
| 54c1bf78 | 177 | denorm_absent = 0, |
| bd2726e0 | 178 | /// The type allows denormalized values. |
| 54c1bf78 BK |
179 | denorm_present = 1 |
| 180 | }; | |
| 181 | ||
| bd2726e0 PE |
182 | /** |
| 183 | * @brief Part of std::numeric_limits. | |
| 184 | * | |
| 185 | * The @c static @c const members are usable as integral constant | |
| 186 | * expressions. | |
| 187 | * | |
| 28dac70a | 188 | * @note This is a separate class for purposes of efficiency; you |
| bd2726e0 PE |
189 | * should only access these members as part of an instantiation |
| 190 | * of the std::numeric_limits class. | |
| 191 | */ | |
| 84979344 BK |
192 | struct __numeric_limits_base |
| 193 | { | |
| bd2726e0 | 194 | /** This will be true for all fundamental types (which have |
| 94a86be0 BK |
195 | specializations), and false for everything else. */ |
| 196 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = false; | |
| 84979344 | 197 | |
| bd2726e0 | 198 | /** The number of @c radix digits that be represented without change: for |
| 94a86be0 BK |
199 | integer types, the number of non-sign bits in the mantissa; for |
| 200 | floating types, the number of @c radix digits in the mantissa. */ | |
| 201 | static _GLIBCXX_USE_CONSTEXPR int digits = 0; | |
| 202 | ||
| bd2726e0 | 203 | /** The number of base 10 digits that can be represented without change. */ |
| 94a86be0 BK |
204 | static _GLIBCXX_USE_CONSTEXPR int digits10 = 0; |
| 205 | ||
| 018afad3 ESR |
206 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 207 | /** The number of base 10 digits required to ensure that values which | |
| 208 | differ are always differentiated. */ | |
| 94a86be0 | 209 | static constexpr int max_digits10 = 0; |
| 018afad3 | 210 | #endif |
| 94a86be0 | 211 | |
| bd2726e0 | 212 | /** True if the type is signed. */ |
| 94a86be0 BK |
213 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
| 214 | ||
| bd2726e0 | 215 | /** True if the type is integer. |
| 018afad3 | 216 | * Is this supposed to be <em>if the type is integral?</em> */ |
| 94a86be0 BK |
217 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; |
| 218 | ||
| 2a60a9f6 | 219 | /** True if the type uses an exact representation. <em>All integer types are |
| 94a86be0 BK |
220 | exact, but not all exact types are integer. For example, rational and |
| 221 | fixed-exponent representations are exact but not integer.</em> | |
| 222 | [18.2.1.2]/15 */ | |
| 223 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; | |
| 224 | ||
| bd2726e0 | 225 | /** For integer types, specifies the base of the representation. For |
| 94a86be0 BK |
226 | floating types, specifies the base of the exponent representation. */ |
| 227 | static _GLIBCXX_USE_CONSTEXPR int radix = 0; | |
| 84979344 | 228 | |
| bd2726e0 | 229 | /** The minimum negative integer such that @c radix raised to the power of |
| 94a86be0 BK |
230 | (one less than that integer) is a normalized floating point number. */ |
| 231 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
| 232 | ||
| bd2726e0 | 233 | /** The minimum negative integer such that 10 raised to that power is in |
| 94a86be0 BK |
234 | the range of normalized floating point numbers. */ |
| 235 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
| 236 | ||
| bd2726e0 | 237 | /** The maximum positive integer such that @c radix raised to the power of |
| 94a86be0 | 238 | (one less than that integer) is a representable finite floating point |
| bd2726e0 | 239 | number. */ |
| 94a86be0 BK |
240 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
| 241 | ||
| bd2726e0 | 242 | /** The maximum positive integer such that 10 raised to that power is in |
| 94a86be0 BK |
243 | the range of representable finite floating point numbers. */ |
| 244 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
| 6ad8f949 | 245 | |
| bd2726e0 | 246 | /** True if the type has a representation for positive infinity. */ |
| 94a86be0 BK |
247 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
| 248 | ||
| bd2726e0 | 249 | /** True if the type has a representation for a quiet (non-signaling) |
| 94a86be0 BK |
250 | <em>Not a Number</em>. */ |
| 251 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
| 252 | ||
| bd2726e0 | 253 | /** True if the type has a representation for a signaling |
| 94a86be0 BK |
254 | <em>Not a Number</em>. */ |
| 255 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
| 256 | ||
| bd2726e0 | 257 | /** See std::float_denorm_style for more information. */ |
| 94a86be0 BK |
258 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm = denorm_absent; |
| 259 | ||
| 2a60a9f6 | 260 | /** <em>True if loss of accuracy is detected as a denormalization loss, |
| 94a86be0 BK |
261 | rather than as an inexact result.</em> [18.2.1.2]/42 */ |
| 262 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
| 84979344 | 263 | |
| bd2726e0 | 264 | /** True if-and-only-if the type adheres to the IEC 559 standard, also |
| 94a86be0 BK |
265 | known as IEEE 754. (Only makes sense for floating point types.) */ |
| 266 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
| 267 | ||
| 2a60a9f6 | 268 | /** <em>True if the set of values representable by the type is |
| 94a86be0 BK |
269 | finite. All built-in types are bounded, this member would be |
| 270 | false for arbitrary precision types.</em> [18.2.1.2]/54 */ | |
| 271 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = false; | |
| 272 | ||
| bd2726e0 | 273 | /** True if the type is @e modulo, that is, if it is possible to add two |
| 94a86be0 BK |
274 | positive numbers and have a result that wraps around to a third number |
| 275 | that is less. Typically false for floating types, true for unsigned | |
| 276 | integers, and true for signed integers. */ | |
| 277 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; | |
| 84979344 | 278 | |
| bd2726e0 | 279 | /** True if trapping is implemented for this type. */ |
| 94a86be0 BK |
280 | static _GLIBCXX_USE_CONSTEXPR bool traps = false; |
| 281 | ||
| 28dac70a | 282 | /** True if tininess is detected before rounding. (see IEC 559) */ |
| 94a86be0 BK |
283 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
| 284 | ||
| bd2726e0 | 285 | /** See std::float_round_style for more information. This is only |
| 94a86be0 | 286 | meaningful for floating types; integer types will all be |
| bd2726e0 | 287 | round_toward_zero. */ |
| 94a86be0 BK |
288 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style = |
| 289 | round_toward_zero; | |
| 84979344 BK |
290 | }; |
| 291 | ||
| bd2726e0 PE |
292 | /** |
| 293 | * @brief Properties of fundamental types. | |
| 294 | * | |
| 295 | * This class allows a program to obtain information about the | |
| 296 | * representation of a fundamental type on a given platform. For | |
| 297 | * non-fundamental types, the functions will return 0 and the data | |
| 298 | * members will all be @c false. | |
| 299 | * | |
| 3d7c150e | 300 | * _GLIBCXX_RESOLVE_LIB_DEFECTS: DRs 201 and 184 (hi Gaby!) are |
| bd2726e0 | 301 | * noted, but not incorporated in this documented (yet). |
| bd2726e0 | 302 | */ |
| 6ad8f949 RH |
303 | template<typename _Tp> |
| 304 | struct numeric_limits : public __numeric_limits_base | |
| 54c1bf78 | 305 | { |
| bd2726e0 | 306 | /** The minimum finite value, or for floating types with |
| 94a86be0 BK |
307 | denormalization, the minimum positive normalized value. */ |
| 308 | static _GLIBCXX_CONSTEXPR _Tp | |
| 4d4cf144 | 309 | min() _GLIBCXX_USE_NOEXCEPT { return static_cast<_Tp>(0); } |
| 94a86be0 | 310 | |
| bd2726e0 | 311 | /** The maximum finite value. */ |
| 94a86be0 | 312 | static _GLIBCXX_CONSTEXPR _Tp |
| 4d4cf144 | 313 | max() _GLIBCXX_USE_NOEXCEPT { return static_cast<_Tp>(0); } |
| 94a86be0 | 314 | |
| 018afad3 ESR |
315 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 316 | /** A finite value x such that there is no other finite value y | |
| 317 | * where y < x. */ | |
| 94a86be0 | 318 | static constexpr _Tp |
| 4d4cf144 | 319 | lowest() noexcept { return static_cast<_Tp>(0); } |
| 018afad3 | 320 | #endif |
| 94a86be0 | 321 | |
| bd2726e0 | 322 | /** The @e machine @e epsilon: the difference between 1 and the least |
| 94a86be0 BK |
323 | value greater than 1 that is representable. */ |
| 324 | static _GLIBCXX_CONSTEXPR _Tp | |
| 4d4cf144 | 325 | epsilon() _GLIBCXX_USE_NOEXCEPT { return static_cast<_Tp>(0); } |
| 94a86be0 | 326 | |
| bd2726e0 | 327 | /** The maximum rounding error measurement (see LIA-1). */ |
| 94a86be0 | 328 | static _GLIBCXX_CONSTEXPR _Tp |
| 4d4cf144 | 329 | round_error() _GLIBCXX_USE_NOEXCEPT { return static_cast<_Tp>(0); } |
| 94a86be0 | 330 | |
| bd2726e0 | 331 | /** The representation of positive infinity, if @c has_infinity. */ |
| 94a86be0 | 332 | static _GLIBCXX_CONSTEXPR _Tp |
| 4d4cf144 | 333 | infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast<_Tp>(0); } |
| 2a60a9f6 | 334 | |
| 94a86be0 | 335 | /** The representation of a quiet <em>Not a Number</em>, |
| 2a60a9f6 | 336 | if @c has_quiet_NaN. */ |
| 94a86be0 | 337 | static _GLIBCXX_CONSTEXPR _Tp |
| 4d4cf144 | 338 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<_Tp>(0); } |
| 94a86be0 | 339 | |
| 2a60a9f6 | 340 | /** The representation of a signaling <em>Not a Number</em>, if |
| 94a86be0 BK |
341 | @c has_signaling_NaN. */ |
| 342 | static _GLIBCXX_CONSTEXPR _Tp | |
| 4d4cf144 | 343 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<_Tp>(0); } |
| 94a86be0 | 344 | |
| bd2726e0 | 345 | /** The minimum positive denormalized value. For types where |
| 94a86be0 | 346 | @c has_denorm is false, this is the minimum positive normalized |
| bd2726e0 | 347 | value. */ |
| 94a86be0 | 348 | static _GLIBCXX_CONSTEXPR _Tp |
| 4d4cf144 | 349 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return static_cast<_Tp>(0); } |
| 54c1bf78 BK |
350 | }; |
| 351 | ||
| ce4674f2 PC |
352 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 353 | template<typename _Tp> | |
| 354 | struct numeric_limits<const _Tp> | |
| 355 | : public numeric_limits<_Tp> { }; | |
| 356 | ||
| 357 | template<typename _Tp> | |
| 358 | struct numeric_limits<volatile _Tp> | |
| 359 | : public numeric_limits<_Tp> { }; | |
| 360 | ||
| 361 | template<typename _Tp> | |
| 362 | struct numeric_limits<const volatile _Tp> | |
| 363 | : public numeric_limits<_Tp> { }; | |
| 364 | #endif | |
| 365 | ||
| 366 | // Now there follow 16 explicit specializations. Yes, 16. Make sure | |
| 367 | // you get the count right. (18 in c++0x mode) | |
| 0aa06b18 BK |
368 | |
| 369 | /// numeric_limits<bool> specialization. | |
| 54c1bf78 BK |
370 | template<> |
| 371 | struct numeric_limits<bool> | |
| 372 | { | |
| 94a86be0 BK |
373 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| 374 | ||
| 375 | static _GLIBCXX_CONSTEXPR bool | |
| 4d4cf144 | 376 | min() _GLIBCXX_USE_NOEXCEPT { return false; } |
| 94a86be0 BK |
377 | |
| 378 | static _GLIBCXX_CONSTEXPR bool | |
| 4d4cf144 | 379 | max() _GLIBCXX_USE_NOEXCEPT { return true; } |
| 54c1bf78 | 380 | |
| 018afad3 | 381 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 382 | static constexpr bool |
| 4d4cf144 | 383 | lowest() noexcept { return min(); } |
| 018afad3 | 384 | #endif |
| 94a86be0 BK |
385 | static _GLIBCXX_USE_CONSTEXPR int digits = 1; |
| 386 | static _GLIBCXX_USE_CONSTEXPR int digits10 = 0; | |
| 018afad3 | 387 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 388 | static constexpr int max_digits10 = 0; |
| 018afad3 | 389 | #endif |
| 94a86be0 BK |
390 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
| 391 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
| 392 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
| 393 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
| 394 | ||
| 395 | static _GLIBCXX_CONSTEXPR bool | |
| 4d4cf144 | 396 | epsilon() _GLIBCXX_USE_NOEXCEPT { return false; } |
| 94a86be0 BK |
397 | |
| 398 | static _GLIBCXX_CONSTEXPR bool | |
| 4d4cf144 | 399 | round_error() _GLIBCXX_USE_NOEXCEPT { return false; } |
| 94a86be0 BK |
400 | |
| 401 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
| 402 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
| 403 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
| 404 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
| 405 | ||
| 406 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
| 407 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
| 408 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
| 409 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
| 410 | = denorm_absent; | |
| 411 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
| 412 | ||
| 413 | static _GLIBCXX_CONSTEXPR bool | |
| 4d4cf144 | 414 | infinity() _GLIBCXX_USE_NOEXCEPT { return false; } |
| 94a86be0 BK |
415 | |
| 416 | static _GLIBCXX_CONSTEXPR bool | |
| 4d4cf144 | 417 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return false; } |
| 94a86be0 BK |
418 | |
| 419 | static _GLIBCXX_CONSTEXPR bool | |
| 4d4cf144 | 420 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return false; } |
| 94a86be0 BK |
421 | |
| 422 | static _GLIBCXX_CONSTEXPR bool | |
| 4d4cf144 | 423 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return false; } |
| 94a86be0 BK |
424 | |
| 425 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
| 426 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
| 427 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; | |
| 54c1bf78 BK |
428 | |
| 429 | // It is not clear what it means for a boolean type to trap. | |
| 430 | // This is a DR on the LWG issue list. Here, I use integer | |
| 431 | // promotion semantics. | |
| 94a86be0 BK |
432 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
| 433 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
| 434 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
| 435 | = round_toward_zero; | |
| 54c1bf78 BK |
436 | }; |
| 437 | ||
| 0aa06b18 | 438 | /// numeric_limits<char> specialization. |
| 54c1bf78 BK |
439 | template<> |
| 440 | struct numeric_limits<char> | |
| 441 | { | |
| 94a86be0 BK |
442 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| 443 | ||
| 444 | static _GLIBCXX_CONSTEXPR char | |
| 4d4cf144 | 445 | min() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_min(char); } |
| 94a86be0 BK |
446 | |
| 447 | static _GLIBCXX_CONSTEXPR char | |
| 4d4cf144 | 448 | max() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_max(char); } |
| 54c1bf78 | 449 | |
| 018afad3 | 450 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 451 | static constexpr char |
| 4d4cf144 | 452 | lowest() noexcept { return min(); } |
| 018afad3 | 453 | #endif |
| 54c1bf78 | 454 | |
| 94a86be0 BK |
455 | static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (char); |
| 456 | static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (char); | |
| 018afad3 | 457 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 458 | static constexpr int max_digits10 = 0; |
| 018afad3 | 459 | #endif |
| 94a86be0 BK |
460 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = __glibcxx_signed (char); |
| 461 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
| 462 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
| 463 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
| 464 | ||
| 465 | static _GLIBCXX_CONSTEXPR char | |
| 4d4cf144 | 466 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
467 | |
| 468 | static _GLIBCXX_CONSTEXPR char | |
| 4d4cf144 | 469 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
470 | |
| 471 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
| 472 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
| 473 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
| 474 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
| 475 | ||
| 476 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
| 477 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
| 478 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
| 479 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
| 480 | = denorm_absent; | |
| 481 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
| 482 | ||
| 483 | static _GLIBCXX_CONSTEXPR | |
| 4d4cf144 | 484 | char infinity() _GLIBCXX_USE_NOEXCEPT { return char(); } |
| 94a86be0 BK |
485 | |
| 486 | static _GLIBCXX_CONSTEXPR char | |
| 4d4cf144 | 487 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return char(); } |
| 94a86be0 BK |
488 | |
| 489 | static _GLIBCXX_CONSTEXPR char | |
| 4d4cf144 | 490 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return char(); } |
| 94a86be0 BK |
491 | |
| 492 | static _GLIBCXX_CONSTEXPR char | |
| 4d4cf144 | 493 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return static_cast<char>(0); } |
| 94a86be0 BK |
494 | |
| 495 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
| 496 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
| 497 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; | |
| 498 | ||
| 499 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
| 500 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
| 501 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
| 502 | = round_toward_zero; | |
| 54c1bf78 BK |
503 | }; |
| 504 | ||
| 0aa06b18 | 505 | /// numeric_limits<signed char> specialization. |
| 54c1bf78 BK |
506 | template<> |
| 507 | struct numeric_limits<signed char> | |
| 508 | { | |
| 94a86be0 BK |
509 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| 510 | ||
| 511 | static _GLIBCXX_CONSTEXPR signed char | |
| 4d4cf144 | 512 | min() _GLIBCXX_USE_NOEXCEPT { return -__SCHAR_MAX__ - 1; } |
| 94a86be0 BK |
513 | |
| 514 | static _GLIBCXX_CONSTEXPR signed char | |
| 4d4cf144 | 515 | max() _GLIBCXX_USE_NOEXCEPT { return __SCHAR_MAX__; } |
| 54c1bf78 | 516 | |
| 018afad3 | 517 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 518 | static constexpr signed char |
| 4d4cf144 | 519 | lowest() noexcept { return min(); } |
| 018afad3 | 520 | #endif |
| 54c1bf78 | 521 | |
| 94a86be0 BK |
522 | static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (signed char); |
| 523 | static _GLIBCXX_USE_CONSTEXPR int digits10 | |
| 524 | = __glibcxx_digits10 (signed char); | |
| 018afad3 | 525 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 526 | static constexpr int max_digits10 = 0; |
| 018afad3 | 527 | #endif |
| 94a86be0 BK |
528 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
| 529 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
| 530 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
| 531 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
| 532 | ||
| 533 | static _GLIBCXX_CONSTEXPR signed char | |
| 4d4cf144 | 534 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
535 | |
| 536 | static _GLIBCXX_CONSTEXPR signed char | |
| 4d4cf144 | 537 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
538 | |
| 539 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
| 540 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
| 541 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
| 542 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
| 543 | ||
| 544 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
| 545 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
| 546 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
| 547 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
| 548 | = denorm_absent; | |
| 549 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
| 550 | ||
| 551 | static _GLIBCXX_CONSTEXPR signed char | |
| 4d4cf144 | 552 | infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast<signed char>(0); } |
| 94a86be0 BK |
553 | |
| 554 | static _GLIBCXX_CONSTEXPR signed char | |
| 4d4cf144 | 555 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<signed char>(0); } |
| 94a86be0 BK |
556 | |
| 557 | static _GLIBCXX_CONSTEXPR signed char | |
| 4d4cf144 PC |
558 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
| 559 | { return static_cast<signed char>(0); } | |
| 94a86be0 BK |
560 | |
| 561 | static _GLIBCXX_CONSTEXPR signed char | |
| 4d4cf144 PC |
562 | denorm_min() _GLIBCXX_USE_NOEXCEPT |
| 563 | { return static_cast<signed char>(0); } | |
| 94a86be0 BK |
564 | |
| 565 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
| 566 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
| 567 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; | |
| 568 | ||
| 569 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
| 570 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
| 571 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
| 572 | = round_toward_zero; | |
| 54c1bf78 BK |
573 | }; |
| 574 | ||
| 0aa06b18 | 575 | /// numeric_limits<unsigned char> specialization. |
| 54c1bf78 BK |
576 | template<> |
| 577 | struct numeric_limits<unsigned char> | |
| 578 | { | |
| 94a86be0 BK |
579 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| 580 | ||
| 581 | static _GLIBCXX_CONSTEXPR unsigned char | |
| 4d4cf144 | 582 | min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
583 | |
| 584 | static _GLIBCXX_CONSTEXPR unsigned char | |
| 4d4cf144 | 585 | max() _GLIBCXX_USE_NOEXCEPT { return __SCHAR_MAX__ * 2U + 1; } |
| 54c1bf78 | 586 | |
| 018afad3 | 587 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 588 | static constexpr unsigned char |
| 4d4cf144 | 589 | lowest() noexcept { return min(); } |
| 018afad3 | 590 | #endif |
| 54c1bf78 | 591 | |
| 94a86be0 BK |
592 | static _GLIBCXX_USE_CONSTEXPR int digits |
| 593 | = __glibcxx_digits (unsigned char); | |
| 594 | static _GLIBCXX_USE_CONSTEXPR int digits10 | |
| 595 | = __glibcxx_digits10 (unsigned char); | |
| 018afad3 | 596 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 597 | static constexpr int max_digits10 = 0; |
| 018afad3 | 598 | #endif |
| 94a86be0 BK |
599 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
| 600 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
| 601 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
| 602 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
| 603 | ||
| 604 | static _GLIBCXX_CONSTEXPR unsigned char | |
| 4d4cf144 | 605 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
606 | |
| 607 | static _GLIBCXX_CONSTEXPR unsigned char | |
| 4d4cf144 | 608 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
609 | |
| 610 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
| 611 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
| 612 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
| 613 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
| 614 | ||
| 615 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
| 616 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
| 617 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
| 618 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
| 619 | = denorm_absent; | |
| 620 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
| 621 | ||
| 622 | static _GLIBCXX_CONSTEXPR unsigned char | |
| 4d4cf144 PC |
623 | infinity() _GLIBCXX_USE_NOEXCEPT |
| 624 | { return static_cast<unsigned char>(0); } | |
| 94a86be0 BK |
625 | |
| 626 | static _GLIBCXX_CONSTEXPR unsigned char | |
| 4d4cf144 PC |
627 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
| 628 | { return static_cast<unsigned char>(0); } | |
| 94a86be0 BK |
629 | |
| 630 | static _GLIBCXX_CONSTEXPR unsigned char | |
| 4d4cf144 PC |
631 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
| 632 | { return static_cast<unsigned char>(0); } | |
| 94a86be0 BK |
633 | |
| 634 | static _GLIBCXX_CONSTEXPR unsigned char | |
| 4d4cf144 PC |
635 | denorm_min() _GLIBCXX_USE_NOEXCEPT |
| 636 | { return static_cast<unsigned char>(0); } | |
| 94a86be0 BK |
637 | |
| 638 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
| 639 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
| 640 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; | |
| 641 | ||
| 642 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
| 643 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
| 644 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
| 645 | = round_toward_zero; | |
| 54c1bf78 BK |
646 | }; |
| 647 | ||
| 0aa06b18 | 648 | /// numeric_limits<wchar_t> specialization. |
| 54c1bf78 BK |
649 | template<> |
| 650 | struct numeric_limits<wchar_t> | |
| 651 | { | |
| 94a86be0 BK |
652 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| 653 | ||
| 654 | static _GLIBCXX_CONSTEXPR wchar_t | |
| 4d4cf144 | 655 | min() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_min (wchar_t); } |
| 94a86be0 BK |
656 | |
| 657 | static _GLIBCXX_CONSTEXPR wchar_t | |
| 4d4cf144 | 658 | max() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_max (wchar_t); } |
| 54c1bf78 | 659 | |
| 018afad3 | 660 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 4d4cf144 PC |
661 | static constexpr wchar_t |
| 662 | lowest() noexcept { return min(); } | |
| 018afad3 | 663 | #endif |
| 54c1bf78 | 664 | |
| 94a86be0 BK |
665 | static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (wchar_t); |
| 666 | static _GLIBCXX_USE_CONSTEXPR int digits10 | |
| 667 | = __glibcxx_digits10 (wchar_t); | |
| 018afad3 | 668 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 669 | static constexpr int max_digits10 = 0; |
| 018afad3 | 670 | #endif |
| 94a86be0 BK |
671 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = __glibcxx_signed (wchar_t); |
| 672 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
| 673 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
| 674 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
| 675 | ||
| 676 | static _GLIBCXX_CONSTEXPR wchar_t | |
| 4d4cf144 | 677 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
678 | |
| 679 | static _GLIBCXX_CONSTEXPR wchar_t | |
| 4d4cf144 | 680 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
681 | |
| 682 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
| 683 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
| 684 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
| 685 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
| 686 | ||
| 687 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
| 688 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
| 689 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
| 690 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
| 691 | = denorm_absent; | |
| 692 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
| 693 | ||
| 694 | static _GLIBCXX_CONSTEXPR wchar_t | |
| 4d4cf144 | 695 | infinity() _GLIBCXX_USE_NOEXCEPT { return wchar_t(); } |
| 94a86be0 BK |
696 | |
| 697 | static _GLIBCXX_CONSTEXPR wchar_t | |
| 4d4cf144 | 698 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return wchar_t(); } |
| 94a86be0 BK |
699 | |
| 700 | static _GLIBCXX_CONSTEXPR wchar_t | |
| 4d4cf144 | 701 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return wchar_t(); } |
| 94a86be0 BK |
702 | |
| 703 | static _GLIBCXX_CONSTEXPR wchar_t | |
| 4d4cf144 | 704 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return wchar_t(); } |
| 94a86be0 BK |
705 | |
| 706 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
| 707 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
| 708 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; | |
| 709 | ||
| 710 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
| 711 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
| 712 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
| 713 | = round_toward_zero; | |
| 54c1bf78 BK |
714 | }; |
| 715 | ||
| 5fb0445d PC |
716 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 717 | /// numeric_limits<char16_t> specialization. | |
| 718 | template<> | |
| 719 | struct numeric_limits<char16_t> | |
| 720 | { | |
| 4d4cf144 | 721 | static constexpr bool is_specialized = true; |
| 94a86be0 | 722 | |
| 4d4cf144 PC |
723 | static constexpr char16_t |
| 724 | min() noexcept { return __glibcxx_min (char16_t); } | |
| 94a86be0 | 725 | |
| 4d4cf144 PC |
726 | static constexpr char16_t |
| 727 | max() noexcept { return __glibcxx_max (char16_t); } | |
| 5fb0445d | 728 | |
| 94a86be0 | 729 | static constexpr char16_t |
| 4d4cf144 | 730 | lowest() noexcept { return min(); } |
| 5fb0445d | 731 | |
| 4d4cf144 PC |
732 | static constexpr int digits = __glibcxx_digits (char16_t); |
| 733 | static constexpr int digits10 = __glibcxx_digits10 (char16_t); | |
| 94a86be0 | 734 | static constexpr int max_digits10 = 0; |
| 4d4cf144 PC |
735 | static constexpr bool is_signed = __glibcxx_signed (char16_t); |
| 736 | static constexpr bool is_integer = true; | |
| 737 | static constexpr bool is_exact = true; | |
| 738 | static constexpr int radix = 2; | |
| 94a86be0 | 739 | |
| 4d4cf144 PC |
740 | static constexpr char16_t |
| 741 | epsilon() noexcept { return 0; } | |
| 94a86be0 | 742 | |
| 4d4cf144 PC |
743 | static constexpr char16_t |
| 744 | round_error() noexcept { return 0; } | |
| 94a86be0 | 745 | |
| 4d4cf144 PC |
746 | static constexpr int min_exponent = 0; |
| 747 | static constexpr int min_exponent10 = 0; | |
| 748 | static constexpr int max_exponent = 0; | |
| 749 | static constexpr int max_exponent10 = 0; | |
| 94a86be0 | 750 | |
| 4d4cf144 PC |
751 | static constexpr bool has_infinity = false; |
| 752 | static constexpr bool has_quiet_NaN = false; | |
| 753 | static constexpr bool has_signaling_NaN = false; | |
| 754 | static constexpr float_denorm_style has_denorm = denorm_absent; | |
| 755 | static constexpr bool has_denorm_loss = false; | |
| 94a86be0 | 756 | |
| 4d4cf144 PC |
757 | static constexpr char16_t |
| 758 | infinity() noexcept { return char16_t(); } | |
| 94a86be0 | 759 | |
| 4d4cf144 PC |
760 | static constexpr char16_t |
| 761 | quiet_NaN() noexcept { return char16_t(); } | |
| 94a86be0 | 762 | |
| 4d4cf144 PC |
763 | static constexpr char16_t |
| 764 | signaling_NaN() noexcept { return char16_t(); } | |
| 94a86be0 | 765 | |
| 4d4cf144 PC |
766 | static constexpr char16_t |
| 767 | denorm_min() noexcept { return char16_t(); } | |
| 94a86be0 | 768 | |
| 4d4cf144 PC |
769 | static constexpr bool is_iec559 = false; |
| 770 | static constexpr bool is_bounded = true; | |
| 771 | static constexpr bool is_modulo = true; | |
| 94a86be0 | 772 | |
| 4d4cf144 PC |
773 | static constexpr bool traps = __glibcxx_integral_traps; |
| 774 | static constexpr bool tinyness_before = false; | |
| 775 | static constexpr float_round_style round_style = round_toward_zero; | |
| 5fb0445d PC |
776 | }; |
| 777 | ||
| 778 | /// numeric_limits<char32_t> specialization. | |
| 779 | template<> | |
| 780 | struct numeric_limits<char32_t> | |
| 781 | { | |
| 4d4cf144 | 782 | static constexpr bool is_specialized = true; |
| 94a86be0 | 783 | |
| 4d4cf144 PC |
784 | static constexpr char32_t |
| 785 | min() noexcept { return __glibcxx_min (char32_t); } | |
| 94a86be0 | 786 | |
| 4d4cf144 PC |
787 | static constexpr char32_t |
| 788 | max() noexcept { return __glibcxx_max (char32_t); } | |
| 5fb0445d | 789 | |
| 94a86be0 | 790 | static constexpr char32_t |
| 4d4cf144 | 791 | lowest() noexcept { return min(); } |
| 5fb0445d | 792 | |
| 4d4cf144 PC |
793 | static constexpr int digits = __glibcxx_digits (char32_t); |
| 794 | static constexpr int digits10 = __glibcxx_digits10 (char32_t); | |
| 94a86be0 | 795 | static constexpr int max_digits10 = 0; |
| 4d4cf144 PC |
796 | static constexpr bool is_signed = __glibcxx_signed (char32_t); |
| 797 | static constexpr bool is_integer = true; | |
| 798 | static constexpr bool is_exact = true; | |
| 799 | static constexpr int radix = 2; | |
| 94a86be0 | 800 | |
| 4d4cf144 PC |
801 | static constexpr char32_t |
| 802 | epsilon() noexcept { return 0; } | |
| 94a86be0 | 803 | |
| 4d4cf144 PC |
804 | static constexpr char32_t |
| 805 | round_error() noexcept { return 0; } | |
| 94a86be0 | 806 | |
| 4d4cf144 PC |
807 | static constexpr int min_exponent = 0; |
| 808 | static constexpr int min_exponent10 = 0; | |
| 809 | static constexpr int max_exponent = 0; | |
| 810 | static constexpr int max_exponent10 = 0; | |
| 94a86be0 | 811 | |
| 4d4cf144 PC |
812 | static constexpr bool has_infinity = false; |
| 813 | static constexpr bool has_quiet_NaN = false; | |
| 814 | static constexpr bool has_signaling_NaN = false; | |
| 815 | static constexpr float_denorm_style has_denorm = denorm_absent; | |
| 816 | static constexpr bool has_denorm_loss = false; | |
| 94a86be0 | 817 | |
| 4d4cf144 PC |
818 | static constexpr char32_t |
| 819 | infinity() noexcept { return char32_t(); } | |
| 94a86be0 | 820 | |
| 4d4cf144 PC |
821 | static constexpr char32_t |
| 822 | quiet_NaN() noexcept { return char32_t(); } | |
| 94a86be0 | 823 | |
| 4d4cf144 PC |
824 | static constexpr char32_t |
| 825 | signaling_NaN() noexcept { return char32_t(); } | |
| 94a86be0 | 826 | |
| 4d4cf144 PC |
827 | static constexpr char32_t |
| 828 | denorm_min() noexcept { return char32_t(); } | |
| 94a86be0 | 829 | |
| 4d4cf144 PC |
830 | static constexpr bool is_iec559 = false; |
| 831 | static constexpr bool is_bounded = true; | |
| 832 | static constexpr bool is_modulo = true; | |
| 94a86be0 | 833 | |
| 4d4cf144 PC |
834 | static constexpr bool traps = __glibcxx_integral_traps; |
| 835 | static constexpr bool tinyness_before = false; | |
| 836 | static constexpr float_round_style round_style = round_toward_zero; | |
| 5fb0445d PC |
837 | }; |
| 838 | #endif | |
| 839 | ||
| 0aa06b18 | 840 | /// numeric_limits<short> specialization. |
| 54c1bf78 BK |
841 | template<> |
| 842 | struct numeric_limits<short> | |
| 843 | { | |
| 94a86be0 BK |
844 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| 845 | ||
| 846 | static _GLIBCXX_CONSTEXPR short | |
| 4d4cf144 | 847 | min() _GLIBCXX_USE_NOEXCEPT { return -__SHRT_MAX__ - 1; } |
| 94a86be0 BK |
848 | |
| 849 | static _GLIBCXX_CONSTEXPR short | |
| 4d4cf144 | 850 | max() _GLIBCXX_USE_NOEXCEPT { return __SHRT_MAX__; } |
| 54c1bf78 | 851 | |
| 018afad3 | 852 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 853 | static constexpr short |
| 4d4cf144 | 854 | lowest() noexcept { return min(); } |
| 018afad3 | 855 | #endif |
| 54c1bf78 | 856 | |
| 94a86be0 BK |
857 | static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (short); |
| 858 | static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (short); | |
| 018afad3 | 859 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 860 | static constexpr int max_digits10 = 0; |
| 018afad3 | 861 | #endif |
| 94a86be0 BK |
862 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
| 863 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
| 864 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
| 865 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
| 866 | ||
| 867 | static _GLIBCXX_CONSTEXPR short | |
| 4d4cf144 | 868 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
869 | |
| 870 | static _GLIBCXX_CONSTEXPR short | |
| 4d4cf144 | 871 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
872 | |
| 873 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
| 874 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
| 875 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
| 876 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
| 877 | ||
| 878 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
| 879 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
| 880 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
| 881 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
| 882 | = denorm_absent; | |
| 883 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
| 884 | ||
| 885 | static _GLIBCXX_CONSTEXPR short | |
| 4d4cf144 | 886 | infinity() _GLIBCXX_USE_NOEXCEPT { return short(); } |
| 94a86be0 BK |
887 | |
| 888 | static _GLIBCXX_CONSTEXPR short | |
| 4d4cf144 | 889 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return short(); } |
| 94a86be0 BK |
890 | |
| 891 | static _GLIBCXX_CONSTEXPR short | |
| 4d4cf144 | 892 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return short(); } |
| 94a86be0 BK |
893 | |
| 894 | static _GLIBCXX_CONSTEXPR short | |
| 4d4cf144 | 895 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return short(); } |
| 94a86be0 BK |
896 | |
| 897 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
| 898 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
| 899 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; | |
| 900 | ||
| 901 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
| 902 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
| 903 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
| 904 | = round_toward_zero; | |
| 54c1bf78 BK |
905 | }; |
| 906 | ||
| 0aa06b18 | 907 | /// numeric_limits<unsigned short> specialization. |
| 54c1bf78 BK |
908 | template<> |
| 909 | struct numeric_limits<unsigned short> | |
| 910 | { | |
| 94a86be0 BK |
911 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| 912 | ||
| 913 | static _GLIBCXX_CONSTEXPR unsigned short | |
| 4d4cf144 | 914 | min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
915 | |
| 916 | static _GLIBCXX_CONSTEXPR unsigned short | |
| 4d4cf144 | 917 | max() _GLIBCXX_USE_NOEXCEPT { return __SHRT_MAX__ * 2U + 1; } |
| 54c1bf78 | 918 | |
| 018afad3 | 919 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 920 | static constexpr unsigned short |
| 4d4cf144 | 921 | lowest() noexcept { return min(); } |
| 018afad3 | 922 | #endif |
| 54c1bf78 | 923 | |
| 94a86be0 BK |
924 | static _GLIBCXX_USE_CONSTEXPR int digits |
| 925 | = __glibcxx_digits (unsigned short); | |
| 926 | static _GLIBCXX_USE_CONSTEXPR int digits10 | |
| 927 | = __glibcxx_digits10 (unsigned short); | |
| 018afad3 | 928 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 929 | static constexpr int max_digits10 = 0; |
| 018afad3 | 930 | #endif |
| 94a86be0 BK |
931 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
| 932 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
| 933 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
| 934 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
| 935 | ||
| 936 | static _GLIBCXX_CONSTEXPR unsigned short | |
| 4d4cf144 | 937 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
938 | |
| 939 | static _GLIBCXX_CONSTEXPR unsigned short | |
| 4d4cf144 | 940 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
941 | |
| 942 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
| 943 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
| 944 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
| 945 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
| 946 | ||
| 947 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
| 948 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
| 949 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
| 950 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
| 951 | = denorm_absent; | |
| 952 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
| 953 | ||
| 954 | static _GLIBCXX_CONSTEXPR unsigned short | |
| 4d4cf144 PC |
955 | infinity() _GLIBCXX_USE_NOEXCEPT |
| 956 | { return static_cast<unsigned short>(0); } | |
| 94a86be0 BK |
957 | |
| 958 | static _GLIBCXX_CONSTEXPR unsigned short | |
| 4d4cf144 PC |
959 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
| 960 | { return static_cast<unsigned short>(0); } | |
| 94a86be0 BK |
961 | |
| 962 | static _GLIBCXX_CONSTEXPR unsigned short | |
| 4d4cf144 PC |
963 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
| 964 | { return static_cast<unsigned short>(0); } | |
| 94a86be0 BK |
965 | |
| 966 | static _GLIBCXX_CONSTEXPR unsigned short | |
| 4d4cf144 PC |
967 | denorm_min() _GLIBCXX_USE_NOEXCEPT |
| 968 | { return static_cast<unsigned short>(0); } | |
| 94a86be0 BK |
969 | |
| 970 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
| 971 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
| 972 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; | |
| 973 | ||
| 974 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
| 975 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
| 976 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
| 977 | = round_toward_zero; | |
| 54c1bf78 BK |
978 | }; |
| 979 | ||
| 0aa06b18 | 980 | /// numeric_limits<int> specialization. |
| 54c1bf78 BK |
981 | template<> |
| 982 | struct numeric_limits<int> | |
| 983 | { | |
| 94a86be0 BK |
984 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| 985 | ||
| 986 | static _GLIBCXX_CONSTEXPR int | |
| 4d4cf144 | 987 | min() _GLIBCXX_USE_NOEXCEPT { return -__INT_MAX__ - 1; } |
| 94a86be0 BK |
988 | |
| 989 | static _GLIBCXX_CONSTEXPR int | |
| 4d4cf144 | 990 | max() _GLIBCXX_USE_NOEXCEPT { return __INT_MAX__; } |
| 54c1bf78 | 991 | |
| 018afad3 | 992 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 993 | static constexpr int |
| 4d4cf144 | 994 | lowest() noexcept { return min(); } |
| 018afad3 | 995 | #endif |
| 54c1bf78 | 996 | |
| 94a86be0 BK |
997 | static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (int); |
| 998 | static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (int); | |
| 018afad3 | 999 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 1000 | static constexpr int max_digits10 = 0; |
| 018afad3 | 1001 | #endif |
| 94a86be0 BK |
1002 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
| 1003 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
| 1004 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
| 1005 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
| 1006 | ||
| 1007 | static _GLIBCXX_CONSTEXPR int | |
| 4d4cf144 | 1008 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
1009 | |
| 1010 | static _GLIBCXX_CONSTEXPR int | |
| 4d4cf144 | 1011 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
1012 | |
| 1013 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
| 1014 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
| 1015 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
| 1016 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
| 1017 | ||
| 1018 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
| 1019 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
| 1020 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
| 1021 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
| 1022 | = denorm_absent; | |
| 1023 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
| 1024 | ||
| 1025 | static _GLIBCXX_CONSTEXPR int | |
| 4d4cf144 | 1026 | infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast<int>(0); } |
| 94a86be0 BK |
1027 | |
| 1028 | static _GLIBCXX_CONSTEXPR int | |
| 4d4cf144 | 1029 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<int>(0); } |
| 94a86be0 BK |
1030 | |
| 1031 | static _GLIBCXX_CONSTEXPR int | |
| 4d4cf144 | 1032 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<int>(0); } |
| 94a86be0 BK |
1033 | |
| 1034 | static _GLIBCXX_CONSTEXPR int | |
| 4d4cf144 | 1035 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return static_cast<int>(0); } |
| 94a86be0 BK |
1036 | |
| 1037 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
| 1038 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
| 1039 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; | |
| 1040 | ||
| 1041 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
| 1042 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
| 1043 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
| 1044 | = round_toward_zero; | |
| 54c1bf78 BK |
1045 | }; |
| 1046 | ||
| 0aa06b18 | 1047 | /// numeric_limits<unsigned int> specialization. |
| 54c1bf78 BK |
1048 | template<> |
| 1049 | struct numeric_limits<unsigned int> | |
| 1050 | { | |
| 94a86be0 BK |
1051 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| 1052 | ||
| 1053 | static _GLIBCXX_CONSTEXPR unsigned int | |
| 4d4cf144 | 1054 | min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
1055 | |
| 1056 | static _GLIBCXX_CONSTEXPR unsigned int | |
| 4d4cf144 | 1057 | max() _GLIBCXX_USE_NOEXCEPT { return __INT_MAX__ * 2U + 1; } |
| 54c1bf78 | 1058 | |
| 018afad3 | 1059 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 1060 | static constexpr unsigned int |
| 4d4cf144 | 1061 | lowest() noexcept { return min(); } |
| 018afad3 | 1062 | #endif |
| 54c1bf78 | 1063 | |
| 94a86be0 BK |
1064 | static _GLIBCXX_USE_CONSTEXPR int digits |
| 1065 | = __glibcxx_digits (unsigned int); | |
| 1066 | static _GLIBCXX_USE_CONSTEXPR int digits10 | |
| 1067 | = __glibcxx_digits10 (unsigned int); | |
| 018afad3 | 1068 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 1069 | static constexpr int max_digits10 = 0; |
| 018afad3 | 1070 | #endif |
| 94a86be0 BK |
1071 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
| 1072 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
| 1073 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
| 1074 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
| 1075 | ||
| 1076 | static _GLIBCXX_CONSTEXPR unsigned int | |
| 4d4cf144 | 1077 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
1078 | |
| 1079 | static _GLIBCXX_CONSTEXPR unsigned int | |
| 4d4cf144 | 1080 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
1081 | |
| 1082 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
| 1083 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
| 1084 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
| 1085 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
| 1086 | ||
| 1087 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
| 1088 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
| 1089 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
| 1090 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
| 1091 | = denorm_absent; | |
| 1092 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
| 1093 | ||
| 1094 | static _GLIBCXX_CONSTEXPR unsigned int | |
| 4d4cf144 | 1095 | infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast<unsigned int>(0); } |
| 94a86be0 BK |
1096 | |
| 1097 | static _GLIBCXX_CONSTEXPR unsigned int | |
| 4d4cf144 PC |
1098 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
| 1099 | { return static_cast<unsigned int>(0); } | |
| 94a86be0 BK |
1100 | |
| 1101 | static _GLIBCXX_CONSTEXPR unsigned int | |
| 4d4cf144 PC |
1102 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
| 1103 | { return static_cast<unsigned int>(0); } | |
| 94a86be0 BK |
1104 | |
| 1105 | static _GLIBCXX_CONSTEXPR unsigned int | |
| 4d4cf144 PC |
1106 | denorm_min() _GLIBCXX_USE_NOEXCEPT |
| 1107 | { return static_cast<unsigned int>(0); } | |
| 94a86be0 BK |
1108 | |
| 1109 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
| 1110 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
| 1111 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; | |
| 1112 | ||
| 1113 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
| 1114 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
| 1115 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
| 1116 | = round_toward_zero; | |
| 54c1bf78 BK |
1117 | }; |
| 1118 | ||
| 0aa06b18 | 1119 | /// numeric_limits<long> specialization. |
| 54c1bf78 BK |
1120 | template<> |
| 1121 | struct numeric_limits<long> | |
| 1122 | { | |
| 94a86be0 BK |
1123 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| 1124 | ||
| 1125 | static _GLIBCXX_CONSTEXPR long | |
| 4d4cf144 | 1126 | min() _GLIBCXX_USE_NOEXCEPT { return -__LONG_MAX__ - 1; } |
| 94a86be0 BK |
1127 | |
| 1128 | static _GLIBCXX_CONSTEXPR long | |
| 4d4cf144 | 1129 | max() _GLIBCXX_USE_NOEXCEPT { return __LONG_MAX__; } |
| 54c1bf78 | 1130 | |
| 018afad3 | 1131 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 1132 | static constexpr long |
| 4d4cf144 | 1133 | lowest() noexcept { return min(); } |
| 018afad3 | 1134 | #endif |
| 54c1bf78 | 1135 | |
| 94a86be0 BK |
1136 | static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (long); |
| 1137 | static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (long); | |
| 018afad3 | 1138 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 1139 | static constexpr int max_digits10 = 0; |
| 018afad3 | 1140 | #endif |
| 94a86be0 BK |
1141 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
| 1142 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
| 1143 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
| 1144 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
| 1145 | ||
| 1146 | static _GLIBCXX_CONSTEXPR long | |
| 4d4cf144 | 1147 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
1148 | |
| 1149 | static _GLIBCXX_CONSTEXPR long | |
| 4d4cf144 | 1150 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
1151 | |
| 1152 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
| 1153 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
| 1154 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
| 1155 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
| 1156 | ||
| 1157 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
| 1158 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
| 1159 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
| 1160 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
| 1161 | = denorm_absent; | |
| 1162 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
| 1163 | ||
| 1164 | static _GLIBCXX_CONSTEXPR long | |
| 4d4cf144 | 1165 | infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast<long>(0); } |
| 94a86be0 BK |
1166 | |
| 1167 | static _GLIBCXX_CONSTEXPR long | |
| 4d4cf144 | 1168 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<long>(0); } |
| 94a86be0 BK |
1169 | |
| 1170 | static _GLIBCXX_CONSTEXPR long | |
| 4d4cf144 | 1171 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<long>(0); } |
| 94a86be0 BK |
1172 | |
| 1173 | static _GLIBCXX_CONSTEXPR long | |
| 4d4cf144 | 1174 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return static_cast<long>(0); } |
| 94a86be0 BK |
1175 | |
| 1176 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
| 1177 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
| 1178 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; | |
| 1179 | ||
| 1180 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
| 1181 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
| 1182 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
| 1183 | = round_toward_zero; | |
| 54c1bf78 BK |
1184 | }; |
| 1185 | ||
| 0aa06b18 | 1186 | /// numeric_limits<unsigned long> specialization. |
| 54c1bf78 BK |
1187 | template<> |
| 1188 | struct numeric_limits<unsigned long> | |
| 1189 | { | |
| 94a86be0 BK |
1190 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| 1191 | ||
| 1192 | static _GLIBCXX_CONSTEXPR unsigned long | |
| 4d4cf144 | 1193 | min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
1194 | |
| 1195 | static _GLIBCXX_CONSTEXPR unsigned long | |
| 4d4cf144 | 1196 | max() _GLIBCXX_USE_NOEXCEPT { return __LONG_MAX__ * 2UL + 1; } |
| 54c1bf78 | 1197 | |
| 018afad3 | 1198 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 1199 | static constexpr unsigned long |
| 4d4cf144 | 1200 | lowest() noexcept { return min(); } |
| 018afad3 | 1201 | #endif |
| 54c1bf78 | 1202 | |
| 94a86be0 BK |
1203 | static _GLIBCXX_USE_CONSTEXPR int digits |
| 1204 | = __glibcxx_digits (unsigned long); | |
| 1205 | static _GLIBCXX_USE_CONSTEXPR int digits10 | |
| 1206 | = __glibcxx_digits10 (unsigned long); | |
| 018afad3 | 1207 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 1208 | static constexpr int max_digits10 = 0; |
| 018afad3 | 1209 | #endif |
| 94a86be0 BK |
1210 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
| 1211 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
| 1212 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
| 1213 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
| 1214 | ||
| 1215 | static _GLIBCXX_CONSTEXPR unsigned long | |
| 4d4cf144 | 1216 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
1217 | |
| 1218 | static _GLIBCXX_CONSTEXPR unsigned long | |
| 4d4cf144 | 1219 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
1220 | |
| 1221 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
| 1222 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
| 1223 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
| 1224 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
| 1225 | ||
| 1226 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
| 1227 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
| 1228 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
| 1229 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
| 1230 | = denorm_absent; | |
| 1231 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
| 1232 | ||
| 1233 | static _GLIBCXX_CONSTEXPR unsigned long | |
| 4d4cf144 PC |
1234 | infinity() _GLIBCXX_USE_NOEXCEPT |
| 1235 | { return static_cast<unsigned long>(0); } | |
| 94a86be0 BK |
1236 | |
| 1237 | static _GLIBCXX_CONSTEXPR unsigned long | |
| 4d4cf144 PC |
1238 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
| 1239 | { return static_cast<unsigned long>(0); } | |
| 94a86be0 BK |
1240 | |
| 1241 | static _GLIBCXX_CONSTEXPR unsigned long | |
| 4d4cf144 PC |
1242 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
| 1243 | { return static_cast<unsigned long>(0); } | |
| 94a86be0 BK |
1244 | |
| 1245 | static _GLIBCXX_CONSTEXPR unsigned long | |
| 4d4cf144 PC |
1246 | denorm_min() _GLIBCXX_USE_NOEXCEPT |
| 1247 | { return static_cast<unsigned long>(0); } | |
| 94a86be0 BK |
1248 | |
| 1249 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
| 1250 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
| 1251 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; | |
| 1252 | ||
| 1253 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
| 1254 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
| 1255 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
| 1256 | = round_toward_zero; | |
| 54c1bf78 BK |
1257 | }; |
| 1258 | ||
| 0aa06b18 | 1259 | /// numeric_limits<long long> specialization. |
| 54c1bf78 BK |
1260 | template<> |
| 1261 | struct numeric_limits<long long> | |
| 1262 | { | |
| 94a86be0 BK |
1263 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| 1264 | ||
| 1265 | static _GLIBCXX_CONSTEXPR long long | |
| 4d4cf144 | 1266 | min() _GLIBCXX_USE_NOEXCEPT { return -__LONG_LONG_MAX__ - 1; } |
| 94a86be0 BK |
1267 | |
| 1268 | static _GLIBCXX_CONSTEXPR long long | |
| 4d4cf144 | 1269 | max() _GLIBCXX_USE_NOEXCEPT { return __LONG_LONG_MAX__; } |
| 6ad8f949 | 1270 | |
| 018afad3 | 1271 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 1272 | static constexpr long long |
| 4d4cf144 | 1273 | lowest() noexcept { return min(); } |
| 018afad3 | 1274 | #endif |
| 6ad8f949 | 1275 | |
| 94a86be0 BK |
1276 | static _GLIBCXX_USE_CONSTEXPR int digits |
| 1277 | = __glibcxx_digits (long long); | |
| 1278 | static _GLIBCXX_USE_CONSTEXPR int digits10 | |
| 1279 | = __glibcxx_digits10 (long long); | |
| 018afad3 | 1280 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 1281 | static constexpr int max_digits10 = 0; |
| 018afad3 | 1282 | #endif |
| 94a86be0 BK |
1283 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
| 1284 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
| 1285 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
| 1286 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
| 1287 | ||
| 1288 | static _GLIBCXX_CONSTEXPR long long | |
| 4d4cf144 | 1289 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
1290 | |
| 1291 | static _GLIBCXX_CONSTEXPR long long | |
| 4d4cf144 | 1292 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
1293 | |
| 1294 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
| 1295 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
| 1296 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
| 1297 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
| 1298 | ||
| 1299 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
| 1300 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
| 1301 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
| 1302 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
| 1303 | = denorm_absent; | |
| 1304 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
| 1305 | ||
| 1306 | static _GLIBCXX_CONSTEXPR long long | |
| 4d4cf144 | 1307 | infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast<long long>(0); } |
| 94a86be0 BK |
1308 | |
| 1309 | static _GLIBCXX_CONSTEXPR long long | |
| 4d4cf144 | 1310 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<long long>(0); } |
| 94a86be0 BK |
1311 | |
| 1312 | static _GLIBCXX_CONSTEXPR long long | |
| 4d4cf144 PC |
1313 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
| 1314 | { return static_cast<long long>(0); } | |
| 94a86be0 BK |
1315 | |
| 1316 | static _GLIBCXX_CONSTEXPR long long | |
| 4d4cf144 | 1317 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return static_cast<long long>(0); } |
| 94a86be0 BK |
1318 | |
| 1319 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
| 1320 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
| 1321 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; | |
| 1322 | ||
| 1323 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
| 1324 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
| 1325 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
| 1326 | = round_toward_zero; | |
| 54c1bf78 BK |
1327 | }; |
| 1328 | ||
| 0aa06b18 | 1329 | /// numeric_limits<unsigned long long> specialization. |
| 54c1bf78 BK |
1330 | template<> |
| 1331 | struct numeric_limits<unsigned long long> | |
| 1332 | { | |
| 94a86be0 BK |
1333 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| 1334 | ||
| 1335 | static _GLIBCXX_CONSTEXPR unsigned long long | |
| 4d4cf144 | 1336 | min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
1337 | |
| 1338 | static _GLIBCXX_CONSTEXPR unsigned long long | |
| 4d4cf144 | 1339 | max() _GLIBCXX_USE_NOEXCEPT { return __LONG_LONG_MAX__ * 2ULL + 1; } |
| 54c1bf78 | 1340 | |
| 018afad3 | 1341 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 1342 | static constexpr unsigned long long |
| 4d4cf144 | 1343 | lowest() noexcept { return min(); } |
| 018afad3 | 1344 | #endif |
| 54c1bf78 | 1345 | |
| 94a86be0 BK |
1346 | static _GLIBCXX_USE_CONSTEXPR int digits |
| 1347 | = __glibcxx_digits (unsigned long long); | |
| 1348 | static _GLIBCXX_USE_CONSTEXPR int digits10 | |
| 1349 | = __glibcxx_digits10 (unsigned long long); | |
| 018afad3 | 1350 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 1351 | static constexpr int max_digits10 = 0; |
| 018afad3 | 1352 | #endif |
| 94a86be0 BK |
1353 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
| 1354 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
| 1355 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
| 1356 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
| 1357 | ||
| 1358 | static _GLIBCXX_CONSTEXPR unsigned long long | |
| 4d4cf144 | 1359 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
1360 | |
| 1361 | static _GLIBCXX_CONSTEXPR unsigned long long | |
| 4d4cf144 | 1362 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
| 94a86be0 BK |
1363 | |
| 1364 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
| 1365 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
| 1366 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
| 1367 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
| 1368 | ||
| 1369 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
| 1370 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
| 1371 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
| 1372 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
| 1373 | = denorm_absent; | |
| 1374 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
| 1375 | ||
| 1376 | static _GLIBCXX_CONSTEXPR unsigned long long | |
| 4d4cf144 PC |
1377 | infinity() _GLIBCXX_USE_NOEXCEPT |
| 1378 | { return static_cast<unsigned long long>(0); } | |
| 94a86be0 BK |
1379 | |
| 1380 | static _GLIBCXX_CONSTEXPR unsigned long long | |
| 4d4cf144 PC |
1381 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
| 1382 | { return static_cast<unsigned long long>(0); } | |
| 94a86be0 BK |
1383 | |
| 1384 | static _GLIBCXX_CONSTEXPR unsigned long long | |
| 4d4cf144 PC |
1385 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
| 1386 | { return static_cast<unsigned long long>(0); } | |
| 94a86be0 BK |
1387 | |
| 1388 | static _GLIBCXX_CONSTEXPR unsigned long long | |
| 4d4cf144 PC |
1389 | denorm_min() _GLIBCXX_USE_NOEXCEPT |
| 1390 | { return static_cast<unsigned long long>(0); } | |
| 94a86be0 BK |
1391 | |
| 1392 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
| 1393 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
| 1394 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; | |
| 1395 | ||
| 1396 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
| 1397 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
| 1398 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
| 1399 | = round_toward_zero; | |
| 54c1bf78 BK |
1400 | }; |
| 1401 | ||
| 0aa06b18 | 1402 | /// numeric_limits<float> specialization. |
| 54c1bf78 BK |
1403 | template<> |
| 1404 | struct numeric_limits<float> | |
| 1405 | { | |
| 94a86be0 BK |
1406 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| 1407 | ||
| 1408 | static _GLIBCXX_CONSTEXPR float | |
| 4d4cf144 | 1409 | min() _GLIBCXX_USE_NOEXCEPT { return __FLT_MIN__; } |
| 94a86be0 BK |
1410 | |
| 1411 | static _GLIBCXX_CONSTEXPR float | |
| 4d4cf144 | 1412 | max() _GLIBCXX_USE_NOEXCEPT { return __FLT_MAX__; } |
| 54c1bf78 | 1413 | |
| 018afad3 | 1414 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 1415 | static constexpr float |
| 4d4cf144 | 1416 | lowest() noexcept { return -__FLT_MAX__; } |
| 018afad3 | 1417 | #endif |
| 54c1bf78 | 1418 | |
| 94a86be0 BK |
1419 | static _GLIBCXX_USE_CONSTEXPR int digits = __FLT_MANT_DIG__; |
| 1420 | static _GLIBCXX_USE_CONSTEXPR int digits10 = __FLT_DIG__; | |
| 018afad3 | 1421 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 1422 | static constexpr int max_digits10 |
| 018afad3 ESR |
1423 | = __glibcxx_max_digits10 (__FLT_MANT_DIG__); |
| 1424 | #endif | |
| 94a86be0 BK |
1425 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
| 1426 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; | |
| 1427 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; | |
| 1428 | static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__; | |
| 1429 | ||
| 1430 | static _GLIBCXX_CONSTEXPR float | |
| 4d4cf144 | 1431 | epsilon() _GLIBCXX_USE_NOEXCEPT { return __FLT_EPSILON__; } |
| 94a86be0 BK |
1432 | |
| 1433 | static _GLIBCXX_CONSTEXPR float | |
| 4d4cf144 | 1434 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0.5F; } |
| 94a86be0 BK |
1435 | |
| 1436 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = __FLT_MIN_EXP__; | |
| 1437 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = __FLT_MIN_10_EXP__; | |
| 1438 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = __FLT_MAX_EXP__; | |
| 1439 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = __FLT_MAX_10_EXP__; | |
| 1440 | ||
| 1441 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = __FLT_HAS_INFINITY__; | |
| 1442 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = __FLT_HAS_QUIET_NAN__; | |
| 1443 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN; | |
| 1444 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
| 264c41ed | 1445 | = bool(__FLT_HAS_DENORM__) ? denorm_present : denorm_absent; |
| 94a86be0 BK |
1446 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss |
| 1447 | = __glibcxx_float_has_denorm_loss; | |
| 1448 | ||
| 1449 | static _GLIBCXX_CONSTEXPR float | |
| 4d4cf144 | 1450 | infinity() _GLIBCXX_USE_NOEXCEPT { return __builtin_huge_valf(); } |
| 54c1bf78 | 1451 | |
| 94a86be0 | 1452 | static _GLIBCXX_CONSTEXPR float |
| 4d4cf144 | 1453 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nanf(""); } |
| 94a86be0 BK |
1454 | |
| 1455 | static _GLIBCXX_CONSTEXPR float | |
| 4d4cf144 | 1456 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nansf(""); } |
| 94a86be0 BK |
1457 | |
| 1458 | static _GLIBCXX_CONSTEXPR float | |
| 4d4cf144 | 1459 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return __FLT_DENORM_MIN__; } |
| 94a86be0 BK |
1460 | |
| 1461 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 | |
| 1462 | = has_infinity && has_quiet_NaN && has_denorm == denorm_present; | |
| 1463 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
| 1464 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; | |
| 1465 | ||
| 1466 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_float_traps; | |
| 1467 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before | |
| 1468 | = __glibcxx_float_tinyness_before; | |
| 1469 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
| 1470 | = round_to_nearest; | |
| 54c1bf78 BK |
1471 | }; |
| 1472 | ||
| 2778669a PE |
1473 | #undef __glibcxx_float_has_denorm_loss |
| 1474 | #undef __glibcxx_float_traps | |
| 1475 | #undef __glibcxx_float_tinyness_before | |
| 54c1bf78 | 1476 | |
| 0aa06b18 | 1477 | /// numeric_limits<double> specialization. |
| 54c1bf78 BK |
1478 | template<> |
| 1479 | struct numeric_limits<double> | |
| 1480 | { | |
| 94a86be0 BK |
1481 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| 1482 | ||
| 1483 | static _GLIBCXX_CONSTEXPR double | |
| 4d4cf144 | 1484 | min() _GLIBCXX_USE_NOEXCEPT { return __DBL_MIN__; } |
| 94a86be0 BK |
1485 | |
| 1486 | static _GLIBCXX_CONSTEXPR double | |
| 4d4cf144 | 1487 | max() _GLIBCXX_USE_NOEXCEPT { return __DBL_MAX__; } |
| 54c1bf78 | 1488 | |
| 018afad3 | 1489 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 1490 | static constexpr double |
| 4d4cf144 | 1491 | lowest() noexcept { return -__DBL_MAX__; } |
| 018afad3 | 1492 | #endif |
| 54c1bf78 | 1493 | |
| 94a86be0 BK |
1494 | static _GLIBCXX_USE_CONSTEXPR int digits = __DBL_MANT_DIG__; |
| 1495 | static _GLIBCXX_USE_CONSTEXPR int digits10 = __DBL_DIG__; | |
| 018afad3 | 1496 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 1497 | static constexpr int max_digits10 |
| 018afad3 ESR |
1498 | = __glibcxx_max_digits10 (__DBL_MANT_DIG__); |
| 1499 | #endif | |
| 94a86be0 BK |
1500 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
| 1501 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; | |
| 1502 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; | |
| 1503 | static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__; | |
| 1504 | ||
| 1505 | static _GLIBCXX_CONSTEXPR double | |
| 4d4cf144 | 1506 | epsilon() _GLIBCXX_USE_NOEXCEPT { return __DBL_EPSILON__; } |
| 94a86be0 BK |
1507 | |
| 1508 | static _GLIBCXX_CONSTEXPR double | |
| 4d4cf144 | 1509 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0.5; } |
| 94a86be0 BK |
1510 | |
| 1511 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = __DBL_MIN_EXP__; | |
| 1512 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = __DBL_MIN_10_EXP__; | |
| 1513 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = __DBL_MAX_EXP__; | |
| 1514 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = __DBL_MAX_10_EXP__; | |
| 1515 | ||
| 1516 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = __DBL_HAS_INFINITY__; | |
| 1517 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = __DBL_HAS_QUIET_NAN__; | |
| 1518 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN; | |
| 1519 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
| 264c41ed | 1520 | = bool(__DBL_HAS_DENORM__) ? denorm_present : denorm_absent; |
| 94a86be0 BK |
1521 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss |
| 1522 | = __glibcxx_double_has_denorm_loss; | |
| 1523 | ||
| 1524 | static _GLIBCXX_CONSTEXPR double | |
| 4d4cf144 | 1525 | infinity() _GLIBCXX_USE_NOEXCEPT { return __builtin_huge_val(); } |
| 94a86be0 BK |
1526 | |
| 1527 | static _GLIBCXX_CONSTEXPR double | |
| 4d4cf144 | 1528 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nan(""); } |
| 54c1bf78 | 1529 | |
| 94a86be0 | 1530 | static _GLIBCXX_CONSTEXPR double |
| 4d4cf144 | 1531 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nans(""); } |
| 94a86be0 BK |
1532 | |
| 1533 | static _GLIBCXX_CONSTEXPR double | |
| 4d4cf144 | 1534 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return __DBL_DENORM_MIN__; } |
| 94a86be0 BK |
1535 | |
| 1536 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 | |
| 1537 | = has_infinity && has_quiet_NaN && has_denorm == denorm_present; | |
| 1538 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
| 1539 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; | |
| 1540 | ||
| 1541 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_double_traps; | |
| 1542 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before | |
| 1543 | = __glibcxx_double_tinyness_before; | |
| 1544 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
| 1545 | = round_to_nearest; | |
| 54c1bf78 BK |
1546 | }; |
| 1547 | ||
| 2778669a PE |
1548 | #undef __glibcxx_double_has_denorm_loss |
| 1549 | #undef __glibcxx_double_traps | |
| 1550 | #undef __glibcxx_double_tinyness_before | |
| 6ad8f949 | 1551 | |
| 0aa06b18 | 1552 | /// numeric_limits<long double> specialization. |
| 54c1bf78 BK |
1553 | template<> |
| 1554 | struct numeric_limits<long double> | |
| 1555 | { | |
| 94a86be0 BK |
1556 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
| 1557 | ||
| 1558 | static _GLIBCXX_CONSTEXPR long double | |
| 4d4cf144 | 1559 | min() _GLIBCXX_USE_NOEXCEPT { return __LDBL_MIN__; } |
| 94a86be0 BK |
1560 | |
| 1561 | static _GLIBCXX_CONSTEXPR long double | |
| 4d4cf144 | 1562 | max() _GLIBCXX_USE_NOEXCEPT { return __LDBL_MAX__; } |
| 54c1bf78 | 1563 | |
| 018afad3 | 1564 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 1565 | static constexpr long double |
| 4d4cf144 | 1566 | lowest() noexcept { return -__LDBL_MAX__; } |
| 018afad3 | 1567 | #endif |
| 54c1bf78 | 1568 | |
| 94a86be0 BK |
1569 | static _GLIBCXX_USE_CONSTEXPR int digits = __LDBL_MANT_DIG__; |
| 1570 | static _GLIBCXX_USE_CONSTEXPR int digits10 = __LDBL_DIG__; | |
| 018afad3 | 1571 | #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 94a86be0 | 1572 | static _GLIBCXX_USE_CONSTEXPR int max_digits10 |
| 018afad3 ESR |
1573 | = __glibcxx_max_digits10 (__LDBL_MANT_DIG__); |
| 1574 | #endif | |
| 94a86be0 BK |
1575 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
| 1576 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; | |
| 1577 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; | |
| 1578 | static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__; | |
| 1579 | ||
| 1580 | static _GLIBCXX_CONSTEXPR long double | |
| 4d4cf144 | 1581 | epsilon() _GLIBCXX_USE_NOEXCEPT { return __LDBL_EPSILON__; } |
| 94a86be0 BK |
1582 | |
| 1583 | static _GLIBCXX_CONSTEXPR long double | |
| 4d4cf144 | 1584 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0.5L; } |
| 94a86be0 BK |
1585 | |
| 1586 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = __LDBL_MIN_EXP__; | |
| 1587 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = __LDBL_MIN_10_EXP__; | |
| 1588 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = __LDBL_MAX_EXP__; | |
| 1589 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = __LDBL_MAX_10_EXP__; | |
| 1590 | ||
| 1591 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = __LDBL_HAS_INFINITY__; | |
| 1592 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = __LDBL_HAS_QUIET_NAN__; | |
| 1593 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN; | |
| 1594 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
| 264c41ed | 1595 | = bool(__LDBL_HAS_DENORM__) ? denorm_present : denorm_absent; |
| 94a86be0 | 1596 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss |
| 2778669a | 1597 | = __glibcxx_long_double_has_denorm_loss; |
| 54c1bf78 | 1598 | |
| 94a86be0 | 1599 | static _GLIBCXX_CONSTEXPR long double |
| 4d4cf144 | 1600 | infinity() _GLIBCXX_USE_NOEXCEPT { return __builtin_huge_vall(); } |
| 54c1bf78 | 1601 | |
| 94a86be0 | 1602 | static _GLIBCXX_CONSTEXPR long double |
| 4d4cf144 | 1603 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nanl(""); } |
| 54c1bf78 | 1604 | |
| 94a86be0 | 1605 | static _GLIBCXX_CONSTEXPR long double |
| 4d4cf144 | 1606 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nansl(""); } |
| 94a86be0 BK |
1607 | |
| 1608 | static _GLIBCXX_CONSTEXPR long double | |
| 4d4cf144 | 1609 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return __LDBL_DENORM_MIN__; } |
| 94a86be0 BK |
1610 | |
| 1611 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 | |
| 1612 | = has_infinity && has_quiet_NaN && has_denorm == denorm_present; | |
| 1613 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
| 1614 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; | |
| 1615 | ||
| 1616 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_long_double_traps; | |
| 1617 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = | |
| 1618 | __glibcxx_long_double_tinyness_before; | |
| 1619 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style = | |
| 1620 | round_to_nearest; | |
| 54c1bf78 BK |
1621 | }; |
| 1622 | ||
| 2778669a PE |
1623 | #undef __glibcxx_long_double_has_denorm_loss |
| 1624 | #undef __glibcxx_long_double_traps | |
| 1625 | #undef __glibcxx_long_double_tinyness_before | |
| be71ea9d | 1626 | |
| 12ffa228 BK |
1627 | _GLIBCXX_END_NAMESPACE_VERSION |
| 1628 | } // namespace | |
| 54c1bf78 | 1629 | |
| 2778669a PE |
1630 | #undef __glibcxx_signed |
| 1631 | #undef __glibcxx_min | |
| 1632 | #undef __glibcxx_max | |
| 1633 | #undef __glibcxx_digits | |
| 1634 | #undef __glibcxx_digits10 | |
| 018afad3 | 1635 | #undef __glibcxx_max_digits10 |
| 6ad8f949 | 1636 | |
| 1143680e | 1637 | #endif // _GLIBCXX_NUMERIC_LIMITS |