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94a86be0 | 1 | // The template and inlines for the numeric_limits classes. -*- C++ -*- |
de96ac46 | 2 | |
405feeb8 | 3 | // Copyright (C) 1999-2013 Free Software Foundation, Inc. |
de96ac46 BK |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
de96ac46 BK |
9 | // any later version. |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
748086b7 JJ |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | // You should have received a copy of the GNU General Public License and | |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
de96ac46 | 24 | |
f910786b | 25 | /** @file include/limits |
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26 | * This is a Standard C++ Library header. |
27 | */ | |
28 | ||
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29 | // Note: this is not a conforming implementation. |
30 | // Written by Gabriel Dos Reis <gdr@codesourcery.com> | |
31 | ||
32 | // | |
33 | // ISO 14882:1998 | |
34 | // 18.2.1 | |
35 | // | |
36 | ||
1143680e SE |
37 | #ifndef _GLIBCXX_NUMERIC_LIMITS |
38 | #define _GLIBCXX_NUMERIC_LIMITS 1 | |
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39 | |
40 | #pragma GCC system_header | |
41 | ||
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42 | #include <bits/c++config.h> |
43 | ||
44 | // | |
45 | // The numeric_limits<> traits document implementation-defined aspects | |
46 | // of fundamental arithmetic data types (integers and floating points). | |
ce4674f2 | 47 | // From Standard C++ point of view, there are 14 such types: |
54c1bf78 | 48 | // * integers |
94a86be0 | 49 | // bool (1) |
ce4674f2 | 50 | // char, signed char, unsigned char, wchar_t (4) |
54c1bf78 BK |
51 | // short, unsigned short (2) |
52 | // int, unsigned (2) | |
53 | // long, unsigned long (2) | |
54 | // | |
55 | // * floating points | |
56 | // float (1) | |
57 | // double (1) | |
58 | // long double (1) | |
59 | // | |
28dac70a | 60 | // GNU C++ understands (where supported by the host C-library) |
54c1bf78 BK |
61 | // * integer |
62 | // long long, unsigned long long (2) | |
63 | // | |
ce4674f2 | 64 | // which brings us to 16 fundamental arithmetic data types in GNU C++. |
54c1bf78 | 65 | // |
6ad8f949 | 66 | // |
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67 | // Since a numeric_limits<> is a bit tricky to get right, we rely on |
68 | // an interface composed of macros which should be defined in config/os | |
69 | // or config/cpu when they differ from the generic (read arbitrary) | |
70 | // definitions given here. | |
71 | // | |
72 | ||
585e661a GDR |
73 | // These values can be overridden in the target configuration file. |
74 | // The default values are appropriate for many 32-bit targets. | |
54c1bf78 | 75 | |
28dac70a | 76 | // GCC only intrinsically supports modulo integral types. The only remaining |
da28539c RH |
77 | // integral exceptional values is division by zero. Only targets that do not |
78 | // signal division by zero in some "hard to ignore" way should use false. | |
2778669a PE |
79 | #ifndef __glibcxx_integral_traps |
80 | # define __glibcxx_integral_traps true | |
54c1bf78 BK |
81 | #endif |
82 | ||
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83 | // float |
84 | // | |
85 | ||
28dac70a | 86 | // Default values. Should be overridden in configuration files if necessary. |
54c1bf78 | 87 | |
2778669a PE |
88 | #ifndef __glibcxx_float_has_denorm_loss |
89 | # define __glibcxx_float_has_denorm_loss false | |
54c1bf78 | 90 | #endif |
2778669a PE |
91 | #ifndef __glibcxx_float_traps |
92 | # define __glibcxx_float_traps false | |
54c1bf78 | 93 | #endif |
2778669a PE |
94 | #ifndef __glibcxx_float_tinyness_before |
95 | # define __glibcxx_float_tinyness_before false | |
54c1bf78 BK |
96 | #endif |
97 | ||
54c1bf78 BK |
98 | // double |
99 | ||
28dac70a | 100 | // Default values. Should be overridden in configuration files if necessary. |
54c1bf78 | 101 | |
2778669a PE |
102 | #ifndef __glibcxx_double_has_denorm_loss |
103 | # define __glibcxx_double_has_denorm_loss false | |
54c1bf78 | 104 | #endif |
2778669a PE |
105 | #ifndef __glibcxx_double_traps |
106 | # define __glibcxx_double_traps false | |
54c1bf78 | 107 | #endif |
2778669a PE |
108 | #ifndef __glibcxx_double_tinyness_before |
109 | # define __glibcxx_double_tinyness_before false | |
54c1bf78 BK |
110 | #endif |
111 | ||
54c1bf78 BK |
112 | // long double |
113 | ||
28dac70a | 114 | // Default values. Should be overridden in configuration files if necessary. |
54c1bf78 | 115 | |
2778669a PE |
116 | #ifndef __glibcxx_long_double_has_denorm_loss |
117 | # define __glibcxx_long_double_has_denorm_loss false | |
54c1bf78 | 118 | #endif |
2778669a PE |
119 | #ifndef __glibcxx_long_double_traps |
120 | # define __glibcxx_long_double_traps false | |
54c1bf78 | 121 | #endif |
2778669a PE |
122 | #ifndef __glibcxx_long_double_tinyness_before |
123 | # define __glibcxx_long_double_tinyness_before false | |
725dc051 | 124 | #endif |
54c1bf78 | 125 | |
6ad8f949 RH |
126 | // You should not need to define any macros below this point. |
127 | ||
2778669a | 128 | #define __glibcxx_signed(T) ((T)(-1) < 0) |
6ad8f949 | 129 | |
2778669a | 130 | #define __glibcxx_min(T) \ |
cee8c7a2 | 131 | (__glibcxx_signed (T) ? -__glibcxx_max (T) - 1 : (T)0) |
6ad8f949 | 132 | |
2778669a | 133 | #define __glibcxx_max(T) \ |
6ae39fd9 ILT |
134 | (__glibcxx_signed (T) ? \ |
135 | (((((T)1 << (__glibcxx_digits (T) - 1)) - 1) << 1) + 1) : ~(T)0) | |
6ad8f949 | 136 | |
2778669a PE |
137 | #define __glibcxx_digits(T) \ |
138 | (sizeof(T) * __CHAR_BIT__ - __glibcxx_signed (T)) | |
6ad8f949 RH |
139 | |
140 | // The fraction 643/2136 approximates log10(2) to 7 significant digits. | |
2778669a | 141 | #define __glibcxx_digits10(T) \ |
dd60dacd | 142 | (__glibcxx_digits (T) * 643L / 2136) |
6ad8f949 | 143 | |
018afad3 | 144 | #define __glibcxx_max_digits10(T) \ |
dd60dacd | 145 | (2 + (T) * 643L / 2136) |
54c1bf78 | 146 | |
12ffa228 BK |
147 | namespace std _GLIBCXX_VISIBILITY(default) |
148 | { | |
149 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
3cbc7af0 | 150 | |
bd2726e0 PE |
151 | /** |
152 | * @brief Describes the rounding style for floating-point types. | |
153 | * | |
154 | * This is used in the std::numeric_limits class. | |
155 | */ | |
6ad8f949 | 156 | enum float_round_style |
54c1bf78 | 157 | { |
f910786b BK |
158 | round_indeterminate = -1, /// Intermediate. |
159 | round_toward_zero = 0, /// To zero. | |
160 | round_to_nearest = 1, /// To the nearest representable value. | |
161 | round_toward_infinity = 2, /// To infinity. | |
162 | round_toward_neg_infinity = 3 /// To negative infinity. | |
54c1bf78 BK |
163 | }; |
164 | ||
bd2726e0 PE |
165 | /** |
166 | * @brief Describes the denormalization for floating-point types. | |
167 | * | |
168 | * These values represent the presence or absence of a variable number | |
169 | * of exponent bits. This type is used in the std::numeric_limits class. | |
170 | */ | |
6ad8f949 | 171 | enum float_denorm_style |
54c1bf78 | 172 | { |
bd2726e0 | 173 | /// Indeterminate at compile time whether denormalized values are allowed. |
54c1bf78 | 174 | denorm_indeterminate = -1, |
bd2726e0 | 175 | /// The type does not allow denormalized values. |
54c1bf78 | 176 | denorm_absent = 0, |
bd2726e0 | 177 | /// The type allows denormalized values. |
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178 | denorm_present = 1 |
179 | }; | |
180 | ||
bd2726e0 PE |
181 | /** |
182 | * @brief Part of std::numeric_limits. | |
183 | * | |
184 | * The @c static @c const members are usable as integral constant | |
185 | * expressions. | |
186 | * | |
28dac70a | 187 | * @note This is a separate class for purposes of efficiency; you |
bd2726e0 PE |
188 | * should only access these members as part of an instantiation |
189 | * of the std::numeric_limits class. | |
190 | */ | |
84979344 BK |
191 | struct __numeric_limits_base |
192 | { | |
bd2726e0 | 193 | /** This will be true for all fundamental types (which have |
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194 | specializations), and false for everything else. */ |
195 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = false; | |
84979344 | 196 | |
bd2726e0 | 197 | /** The number of @c radix digits that be represented without change: for |
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198 | integer types, the number of non-sign bits in the mantissa; for |
199 | floating types, the number of @c radix digits in the mantissa. */ | |
200 | static _GLIBCXX_USE_CONSTEXPR int digits = 0; | |
201 | ||
bd2726e0 | 202 | /** The number of base 10 digits that can be represented without change. */ |
94a86be0 BK |
203 | static _GLIBCXX_USE_CONSTEXPR int digits10 = 0; |
204 | ||
734f5023 | 205 | #if __cplusplus >= 201103L |
018afad3 ESR |
206 | /** The number of base 10 digits required to ensure that values which |
207 | differ are always differentiated. */ | |
94a86be0 | 208 | static constexpr int max_digits10 = 0; |
018afad3 | 209 | #endif |
94a86be0 | 210 | |
bd2726e0 | 211 | /** True if the type is signed. */ |
94a86be0 BK |
212 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
213 | ||
c0ffa2ba | 214 | /** True if the type is integer. */ |
94a86be0 BK |
215 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; |
216 | ||
c0ffa2ba | 217 | /** True if the type uses an exact representation. All integer types are |
94a86be0 | 218 | exact, but not all exact types are integer. For example, rational and |
c0ffa2ba | 219 | fixed-exponent representations are exact but not integer. */ |
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220 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; |
221 | ||
bd2726e0 | 222 | /** For integer types, specifies the base of the representation. For |
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223 | floating types, specifies the base of the exponent representation. */ |
224 | static _GLIBCXX_USE_CONSTEXPR int radix = 0; | |
84979344 | 225 | |
bd2726e0 | 226 | /** The minimum negative integer such that @c radix raised to the power of |
94a86be0 BK |
227 | (one less than that integer) is a normalized floating point number. */ |
228 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
229 | ||
bd2726e0 | 230 | /** The minimum negative integer such that 10 raised to that power is in |
94a86be0 BK |
231 | the range of normalized floating point numbers. */ |
232 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
233 | ||
bd2726e0 | 234 | /** The maximum positive integer such that @c radix raised to the power of |
94a86be0 | 235 | (one less than that integer) is a representable finite floating point |
bd2726e0 | 236 | number. */ |
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237 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
238 | ||
bd2726e0 | 239 | /** The maximum positive integer such that 10 raised to that power is in |
94a86be0 BK |
240 | the range of representable finite floating point numbers. */ |
241 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
6ad8f949 | 242 | |
bd2726e0 | 243 | /** True if the type has a representation for positive infinity. */ |
94a86be0 BK |
244 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
245 | ||
bd2726e0 | 246 | /** True if the type has a representation for a quiet (non-signaling) |
c0ffa2ba | 247 | Not a Number. */ |
94a86be0 BK |
248 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
249 | ||
bd2726e0 | 250 | /** True if the type has a representation for a signaling |
c0ffa2ba | 251 | Not a Number. */ |
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252 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
253 | ||
bd2726e0 | 254 | /** See std::float_denorm_style for more information. */ |
94a86be0 BK |
255 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm = denorm_absent; |
256 | ||
c0ffa2ba BK |
257 | /** True if loss of accuracy is detected as a denormalization loss, |
258 | rather than as an inexact result. */ | |
94a86be0 | 259 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
84979344 | 260 | |
bd2726e0 | 261 | /** True if-and-only-if the type adheres to the IEC 559 standard, also |
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262 | known as IEEE 754. (Only makes sense for floating point types.) */ |
263 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
264 | ||
c0ffa2ba | 265 | /** True if the set of values representable by the type is |
94a86be0 | 266 | finite. All built-in types are bounded, this member would be |
c0ffa2ba | 267 | false for arbitrary precision types. */ |
94a86be0 BK |
268 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = false; |
269 | ||
1c830087 MG |
270 | /** True if the type is @e modulo. A type is modulo if, for any |
271 | operation involving +, -, or * on values of that type whose | |
272 | result would fall outside the range [min(),max()], the value | |
273 | returned differs from the true value by an integer multiple of | |
274 | max() - min() + 1. On most machines, this is false for floating | |
275 | types, true for unsigned integers, and true for signed integers. | |
276 | See PR22200 about signed integers. */ | |
94a86be0 | 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. */ |
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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 | |
b98fcf6e | 309 | min() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
94a86be0 | 310 | |
bd2726e0 | 311 | /** The maximum finite value. */ |
94a86be0 | 312 | static _GLIBCXX_CONSTEXPR _Tp |
b98fcf6e | 313 | max() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
94a86be0 | 314 | |
734f5023 | 315 | #if __cplusplus >= 201103L |
018afad3 ESR |
316 | /** A finite value x such that there is no other finite value y |
317 | * where y < x. */ | |
94a86be0 | 318 | static constexpr _Tp |
b98fcf6e | 319 | lowest() noexcept { return _Tp(); } |
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 | |
b98fcf6e | 325 | epsilon() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
94a86be0 | 326 | |
bd2726e0 | 327 | /** The maximum rounding error measurement (see LIA-1). */ |
94a86be0 | 328 | static _GLIBCXX_CONSTEXPR _Tp |
b98fcf6e | 329 | round_error() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
94a86be0 | 330 | |
bd2726e0 | 331 | /** The representation of positive infinity, if @c has_infinity. */ |
94a86be0 | 332 | static _GLIBCXX_CONSTEXPR _Tp |
b98fcf6e | 333 | infinity() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
2a60a9f6 | 334 | |
c0ffa2ba | 335 | /** The representation of a quiet Not a Number, |
2a60a9f6 | 336 | if @c has_quiet_NaN. */ |
94a86be0 | 337 | static _GLIBCXX_CONSTEXPR _Tp |
b98fcf6e | 338 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
94a86be0 | 339 | |
c0ffa2ba | 340 | /** The representation of a signaling Not a Number, if |
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341 | @c has_signaling_NaN. */ |
342 | static _GLIBCXX_CONSTEXPR _Tp | |
b98fcf6e | 343 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
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 |
b98fcf6e | 349 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
54c1bf78 BK |
350 | }; |
351 | ||
734f5023 | 352 | #if __cplusplus >= 201103L |
ce4674f2 PC |
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 | { | |
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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 | |
734f5023 | 381 | #if __cplusplus >= 201103L |
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; | |
734f5023 | 387 | #if __cplusplus >= 201103L |
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 | |
734f5023 | 450 | #if __cplusplus >= 201103L |
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); | |
734f5023 | 457 | #if __cplusplus >= 201103L |
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; | |
1c830087 | 497 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = !is_signed; |
94a86be0 BK |
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 | |
734f5023 | 517 | #if __cplusplus >= 201103L |
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); | |
734f5023 | 525 | #if __cplusplus >= 201103L |
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; | |
1c830087 | 567 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
94a86be0 BK |
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 | |
734f5023 | 587 | #if __cplusplus >= 201103L |
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); | |
734f5023 | 596 | #if __cplusplus >= 201103L |
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 | |
734f5023 | 660 | #if __cplusplus >= 201103L |
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); | |
734f5023 | 668 | #if __cplusplus >= 201103L |
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; | |
1c830087 | 708 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = !is_signed; |
94a86be0 BK |
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 | ||
734f5023 | 716 | #if __cplusplus >= 201103L |
5fb0445d PC |
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; | |
1c830087 | 771 | static constexpr bool is_modulo = !is_signed; |
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; | |
1c830087 | 832 | static constexpr bool is_modulo = !is_signed; |
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 | |
734f5023 | 852 | #if __cplusplus >= 201103L |
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); | |
734f5023 | 859 | #if __cplusplus >= 201103L |
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; | |
1c830087 | 899 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
94a86be0 BK |
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 | |
734f5023 | 919 | #if __cplusplus >= 201103L |
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); | |
734f5023 | 928 | #if __cplusplus >= 201103L |
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 | |
734f5023 | 992 | #if __cplusplus >= 201103L |
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); | |
734f5023 | 999 | #if __cplusplus >= 201103L |
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; | |
1c830087 | 1039 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
94a86be0 BK |
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 | |
734f5023 | 1059 | #if __cplusplus >= 201103L |
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); | |
734f5023 | 1068 | #if __cplusplus >= 201103L |
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 | |
734f5023 | 1131 | #if __cplusplus >= 201103L |
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); | |
734f5023 | 1138 | #if __cplusplus >= 201103L |
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; | |
1c830087 | 1178 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
94a86be0 BK |
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 | |
734f5023 | 1198 | #if __cplusplus >= 201103L |
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); | |
734f5023 | 1207 | #if __cplusplus >= 201103L |
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 | |
734f5023 | 1271 | #if __cplusplus >= 201103L |
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); | |
734f5023 | 1280 | #if __cplusplus >= 201103L |
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; | |
1c830087 | 1321 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
94a86be0 BK |
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 | |
734f5023 | 1341 | #if __cplusplus >= 201103L |
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); | |
734f5023 | 1350 | #if __cplusplus >= 201103L |
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 | ||
12bfa8bd | 1402 | #if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_INT128) |
fd1e62c2 | 1403 | /// numeric_limits<__int128> specialization. |
12bfa8bd | 1404 | template<> |
fd1e62c2 | 1405 | struct numeric_limits<__int128> |
12bfa8bd PC |
1406 | { |
1407 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; | |
1408 | ||
fd1e62c2 PC |
1409 | static _GLIBCXX_CONSTEXPR __int128 |
1410 | min() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_min (__int128); } | |
12bfa8bd | 1411 | |
fd1e62c2 PC |
1412 | static _GLIBCXX_CONSTEXPR __int128 |
1413 | max() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_max (__int128); } | |
12bfa8bd | 1414 | |
734f5023 | 1415 | #if __cplusplus >= 201103L |
fd1e62c2 | 1416 | static constexpr __int128 |
12bfa8bd PC |
1417 | lowest() noexcept { return min(); } |
1418 | #endif | |
1419 | ||
1420 | static _GLIBCXX_USE_CONSTEXPR int digits | |
fd1e62c2 | 1421 | = __glibcxx_digits (__int128); |
12bfa8bd | 1422 | static _GLIBCXX_USE_CONSTEXPR int digits10 |
fd1e62c2 | 1423 | = __glibcxx_digits10 (__int128); |
734f5023 | 1424 | #if __cplusplus >= 201103L |
12bfa8bd PC |
1425 | static constexpr int max_digits10 = 0; |
1426 | #endif | |
1427 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; | |
1428 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
1429 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
1430 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
1431 | ||
fd1e62c2 | 1432 | static _GLIBCXX_CONSTEXPR __int128 |
12bfa8bd PC |
1433 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
1434 | ||
fd1e62c2 | 1435 | static _GLIBCXX_CONSTEXPR __int128 |
12bfa8bd PC |
1436 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
1437 | ||
1438 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
1439 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
1440 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
1441 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
1442 | ||
1443 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
1444 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
1445 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
1446 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
1447 | = denorm_absent; | |
1448 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
1449 | ||
fd1e62c2 | 1450 | static _GLIBCXX_CONSTEXPR __int128 |
12bfa8bd | 1451 | infinity() _GLIBCXX_USE_NOEXCEPT |
fd1e62c2 | 1452 | { return static_cast<__int128>(0); } |
12bfa8bd | 1453 | |
fd1e62c2 | 1454 | static _GLIBCXX_CONSTEXPR __int128 |
12bfa8bd | 1455 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
fd1e62c2 | 1456 | { return static_cast<__int128>(0); } |
12bfa8bd | 1457 | |
fd1e62c2 | 1458 | static _GLIBCXX_CONSTEXPR __int128 |
12bfa8bd | 1459 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
fd1e62c2 | 1460 | { return static_cast<__int128>(0); } |
12bfa8bd | 1461 | |
fd1e62c2 | 1462 | static _GLIBCXX_CONSTEXPR __int128 |
12bfa8bd | 1463 | denorm_min() _GLIBCXX_USE_NOEXCEPT |
fd1e62c2 | 1464 | { return static_cast<__int128>(0); } |
12bfa8bd PC |
1465 | |
1466 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
1467 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
1c830087 | 1468 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
12bfa8bd PC |
1469 | |
1470 | static _GLIBCXX_USE_CONSTEXPR bool traps | |
1471 | = __glibcxx_integral_traps; | |
1472 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
1473 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
1474 | = round_toward_zero; | |
1475 | }; | |
1476 | ||
fd1e62c2 | 1477 | /// numeric_limits<unsigned __int128> specialization. |
12bfa8bd | 1478 | template<> |
fd1e62c2 | 1479 | struct numeric_limits<unsigned __int128> |
12bfa8bd PC |
1480 | { |
1481 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; | |
1482 | ||
fd1e62c2 | 1483 | static _GLIBCXX_CONSTEXPR unsigned __int128 |
12bfa8bd PC |
1484 | min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
1485 | ||
fd1e62c2 PC |
1486 | static _GLIBCXX_CONSTEXPR unsigned __int128 |
1487 | max() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_max (unsigned __int128); } | |
12bfa8bd | 1488 | |
734f5023 | 1489 | #if __cplusplus >= 201103L |
fd1e62c2 | 1490 | static constexpr unsigned __int128 |
12bfa8bd PC |
1491 | lowest() noexcept { return min(); } |
1492 | #endif | |
1493 | ||
1494 | static _GLIBCXX_USE_CONSTEXPR int digits | |
fd1e62c2 | 1495 | = __glibcxx_digits (unsigned __int128); |
12bfa8bd | 1496 | static _GLIBCXX_USE_CONSTEXPR int digits10 |
fd1e62c2 | 1497 | = __glibcxx_digits10 (unsigned __int128); |
734f5023 | 1498 | #if __cplusplus >= 201103L |
12bfa8bd PC |
1499 | static constexpr int max_digits10 = 0; |
1500 | #endif | |
1501 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; | |
1502 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
1503 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
1504 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
1505 | ||
fd1e62c2 | 1506 | static _GLIBCXX_CONSTEXPR unsigned __int128 |
12bfa8bd PC |
1507 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
1508 | ||
fd1e62c2 | 1509 | static _GLIBCXX_CONSTEXPR unsigned __int128 |
12bfa8bd PC |
1510 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
1511 | ||
1512 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
1513 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
1514 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
1515 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
1516 | ||
1517 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
1518 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
1519 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
1520 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
1521 | = denorm_absent; | |
1522 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
1523 | ||
fd1e62c2 | 1524 | static _GLIBCXX_CONSTEXPR unsigned __int128 |
12bfa8bd | 1525 | infinity() _GLIBCXX_USE_NOEXCEPT |
fd1e62c2 | 1526 | { return static_cast<unsigned __int128>(0); } |
12bfa8bd | 1527 | |
fd1e62c2 | 1528 | static _GLIBCXX_CONSTEXPR unsigned __int128 |
12bfa8bd | 1529 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
fd1e62c2 | 1530 | { return static_cast<unsigned __int128>(0); } |
12bfa8bd | 1531 | |
fd1e62c2 | 1532 | static _GLIBCXX_CONSTEXPR unsigned __int128 |
12bfa8bd | 1533 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
fd1e62c2 | 1534 | { return static_cast<unsigned __int128>(0); } |
12bfa8bd | 1535 | |
fd1e62c2 | 1536 | static _GLIBCXX_CONSTEXPR unsigned __int128 |
12bfa8bd | 1537 | denorm_min() _GLIBCXX_USE_NOEXCEPT |
fd1e62c2 | 1538 | { return static_cast<unsigned __int128>(0); } |
12bfa8bd PC |
1539 | |
1540 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
1541 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
1542 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; | |
1543 | ||
1544 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
1545 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
1546 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
1547 | = round_toward_zero; | |
1548 | }; | |
1549 | #endif | |
1550 | ||
0aa06b18 | 1551 | /// numeric_limits<float> specialization. |
54c1bf78 BK |
1552 | template<> |
1553 | struct numeric_limits<float> | |
1554 | { | |
94a86be0 BK |
1555 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
1556 | ||
1557 | static _GLIBCXX_CONSTEXPR float | |
4d4cf144 | 1558 | min() _GLIBCXX_USE_NOEXCEPT { return __FLT_MIN__; } |
94a86be0 BK |
1559 | |
1560 | static _GLIBCXX_CONSTEXPR float | |
4d4cf144 | 1561 | max() _GLIBCXX_USE_NOEXCEPT { return __FLT_MAX__; } |
54c1bf78 | 1562 | |
734f5023 | 1563 | #if __cplusplus >= 201103L |
94a86be0 | 1564 | static constexpr float |
4d4cf144 | 1565 | lowest() noexcept { return -__FLT_MAX__; } |
018afad3 | 1566 | #endif |
54c1bf78 | 1567 | |
94a86be0 BK |
1568 | static _GLIBCXX_USE_CONSTEXPR int digits = __FLT_MANT_DIG__; |
1569 | static _GLIBCXX_USE_CONSTEXPR int digits10 = __FLT_DIG__; | |
734f5023 | 1570 | #if __cplusplus >= 201103L |
94a86be0 | 1571 | static constexpr int max_digits10 |
018afad3 ESR |
1572 | = __glibcxx_max_digits10 (__FLT_MANT_DIG__); |
1573 | #endif | |
94a86be0 BK |
1574 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
1575 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; | |
1576 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; | |
1577 | static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__; | |
1578 | ||
1579 | static _GLIBCXX_CONSTEXPR float | |
4d4cf144 | 1580 | epsilon() _GLIBCXX_USE_NOEXCEPT { return __FLT_EPSILON__; } |
94a86be0 BK |
1581 | |
1582 | static _GLIBCXX_CONSTEXPR float | |
4d4cf144 | 1583 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0.5F; } |
94a86be0 BK |
1584 | |
1585 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = __FLT_MIN_EXP__; | |
1586 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = __FLT_MIN_10_EXP__; | |
1587 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = __FLT_MAX_EXP__; | |
1588 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = __FLT_MAX_10_EXP__; | |
1589 | ||
1590 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = __FLT_HAS_INFINITY__; | |
1591 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = __FLT_HAS_QUIET_NAN__; | |
1592 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN; | |
1593 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
264c41ed | 1594 | = bool(__FLT_HAS_DENORM__) ? denorm_present : denorm_absent; |
94a86be0 BK |
1595 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss |
1596 | = __glibcxx_float_has_denorm_loss; | |
1597 | ||
1598 | static _GLIBCXX_CONSTEXPR float | |
4d4cf144 | 1599 | infinity() _GLIBCXX_USE_NOEXCEPT { return __builtin_huge_valf(); } |
54c1bf78 | 1600 | |
94a86be0 | 1601 | static _GLIBCXX_CONSTEXPR float |
4d4cf144 | 1602 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nanf(""); } |
94a86be0 BK |
1603 | |
1604 | static _GLIBCXX_CONSTEXPR float | |
4d4cf144 | 1605 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nansf(""); } |
94a86be0 BK |
1606 | |
1607 | static _GLIBCXX_CONSTEXPR float | |
4d4cf144 | 1608 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return __FLT_DENORM_MIN__; } |
94a86be0 BK |
1609 | |
1610 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 | |
1611 | = has_infinity && has_quiet_NaN && has_denorm == denorm_present; | |
1612 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
1613 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; | |
1614 | ||
1615 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_float_traps; | |
1616 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before | |
1617 | = __glibcxx_float_tinyness_before; | |
1618 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
1619 | = round_to_nearest; | |
54c1bf78 BK |
1620 | }; |
1621 | ||
2778669a PE |
1622 | #undef __glibcxx_float_has_denorm_loss |
1623 | #undef __glibcxx_float_traps | |
1624 | #undef __glibcxx_float_tinyness_before | |
54c1bf78 | 1625 | |
0aa06b18 | 1626 | /// numeric_limits<double> specialization. |
54c1bf78 BK |
1627 | template<> |
1628 | struct numeric_limits<double> | |
1629 | { | |
94a86be0 BK |
1630 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
1631 | ||
1632 | static _GLIBCXX_CONSTEXPR double | |
4d4cf144 | 1633 | min() _GLIBCXX_USE_NOEXCEPT { return __DBL_MIN__; } |
94a86be0 BK |
1634 | |
1635 | static _GLIBCXX_CONSTEXPR double | |
4d4cf144 | 1636 | max() _GLIBCXX_USE_NOEXCEPT { return __DBL_MAX__; } |
54c1bf78 | 1637 | |
734f5023 | 1638 | #if __cplusplus >= 201103L |
94a86be0 | 1639 | static constexpr double |
4d4cf144 | 1640 | lowest() noexcept { return -__DBL_MAX__; } |
018afad3 | 1641 | #endif |
54c1bf78 | 1642 | |
94a86be0 BK |
1643 | static _GLIBCXX_USE_CONSTEXPR int digits = __DBL_MANT_DIG__; |
1644 | static _GLIBCXX_USE_CONSTEXPR int digits10 = __DBL_DIG__; | |
734f5023 | 1645 | #if __cplusplus >= 201103L |
94a86be0 | 1646 | static constexpr int max_digits10 |
018afad3 ESR |
1647 | = __glibcxx_max_digits10 (__DBL_MANT_DIG__); |
1648 | #endif | |
94a86be0 BK |
1649 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
1650 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; | |
1651 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; | |
1652 | static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__; | |
1653 | ||
1654 | static _GLIBCXX_CONSTEXPR double | |
4d4cf144 | 1655 | epsilon() _GLIBCXX_USE_NOEXCEPT { return __DBL_EPSILON__; } |
94a86be0 BK |
1656 | |
1657 | static _GLIBCXX_CONSTEXPR double | |
4d4cf144 | 1658 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0.5; } |
94a86be0 BK |
1659 | |
1660 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = __DBL_MIN_EXP__; | |
1661 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = __DBL_MIN_10_EXP__; | |
1662 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = __DBL_MAX_EXP__; | |
1663 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = __DBL_MAX_10_EXP__; | |
1664 | ||
1665 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = __DBL_HAS_INFINITY__; | |
1666 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = __DBL_HAS_QUIET_NAN__; | |
1667 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN; | |
1668 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
264c41ed | 1669 | = bool(__DBL_HAS_DENORM__) ? denorm_present : denorm_absent; |
94a86be0 BK |
1670 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss |
1671 | = __glibcxx_double_has_denorm_loss; | |
1672 | ||
1673 | static _GLIBCXX_CONSTEXPR double | |
4d4cf144 | 1674 | infinity() _GLIBCXX_USE_NOEXCEPT { return __builtin_huge_val(); } |
94a86be0 BK |
1675 | |
1676 | static _GLIBCXX_CONSTEXPR double | |
4d4cf144 | 1677 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nan(""); } |
54c1bf78 | 1678 | |
94a86be0 | 1679 | static _GLIBCXX_CONSTEXPR double |
4d4cf144 | 1680 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nans(""); } |
94a86be0 BK |
1681 | |
1682 | static _GLIBCXX_CONSTEXPR double | |
4d4cf144 | 1683 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return __DBL_DENORM_MIN__; } |
94a86be0 BK |
1684 | |
1685 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 | |
1686 | = has_infinity && has_quiet_NaN && has_denorm == denorm_present; | |
1687 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
1688 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; | |
1689 | ||
1690 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_double_traps; | |
1691 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before | |
1692 | = __glibcxx_double_tinyness_before; | |
1693 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style | |
1694 | = round_to_nearest; | |
54c1bf78 BK |
1695 | }; |
1696 | ||
2778669a PE |
1697 | #undef __glibcxx_double_has_denorm_loss |
1698 | #undef __glibcxx_double_traps | |
1699 | #undef __glibcxx_double_tinyness_before | |
6ad8f949 | 1700 | |
0aa06b18 | 1701 | /// numeric_limits<long double> specialization. |
54c1bf78 BK |
1702 | template<> |
1703 | struct numeric_limits<long double> | |
1704 | { | |
94a86be0 BK |
1705 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
1706 | ||
1707 | static _GLIBCXX_CONSTEXPR long double | |
4d4cf144 | 1708 | min() _GLIBCXX_USE_NOEXCEPT { return __LDBL_MIN__; } |
94a86be0 BK |
1709 | |
1710 | static _GLIBCXX_CONSTEXPR long double | |
4d4cf144 | 1711 | max() _GLIBCXX_USE_NOEXCEPT { return __LDBL_MAX__; } |
54c1bf78 | 1712 | |
734f5023 | 1713 | #if __cplusplus >= 201103L |
94a86be0 | 1714 | static constexpr long double |
4d4cf144 | 1715 | lowest() noexcept { return -__LDBL_MAX__; } |
018afad3 | 1716 | #endif |
54c1bf78 | 1717 | |
94a86be0 BK |
1718 | static _GLIBCXX_USE_CONSTEXPR int digits = __LDBL_MANT_DIG__; |
1719 | static _GLIBCXX_USE_CONSTEXPR int digits10 = __LDBL_DIG__; | |
734f5023 | 1720 | #if __cplusplus >= 201103L |
94a86be0 | 1721 | static _GLIBCXX_USE_CONSTEXPR int max_digits10 |
018afad3 ESR |
1722 | = __glibcxx_max_digits10 (__LDBL_MANT_DIG__); |
1723 | #endif | |
94a86be0 BK |
1724 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
1725 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; | |
1726 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; | |
1727 | static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__; | |
1728 | ||
1729 | static _GLIBCXX_CONSTEXPR long double | |
4d4cf144 | 1730 | epsilon() _GLIBCXX_USE_NOEXCEPT { return __LDBL_EPSILON__; } |
94a86be0 BK |
1731 | |
1732 | static _GLIBCXX_CONSTEXPR long double | |
4d4cf144 | 1733 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0.5L; } |
94a86be0 BK |
1734 | |
1735 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = __LDBL_MIN_EXP__; | |
1736 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = __LDBL_MIN_10_EXP__; | |
1737 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = __LDBL_MAX_EXP__; | |
1738 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = __LDBL_MAX_10_EXP__; | |
1739 | ||
1740 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = __LDBL_HAS_INFINITY__; | |
1741 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = __LDBL_HAS_QUIET_NAN__; | |
1742 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN; | |
1743 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
264c41ed | 1744 | = bool(__LDBL_HAS_DENORM__) ? denorm_present : denorm_absent; |
94a86be0 | 1745 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss |
2778669a | 1746 | = __glibcxx_long_double_has_denorm_loss; |
54c1bf78 | 1747 | |
94a86be0 | 1748 | static _GLIBCXX_CONSTEXPR long double |
4d4cf144 | 1749 | infinity() _GLIBCXX_USE_NOEXCEPT { return __builtin_huge_vall(); } |
54c1bf78 | 1750 | |
94a86be0 | 1751 | static _GLIBCXX_CONSTEXPR long double |
4d4cf144 | 1752 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nanl(""); } |
54c1bf78 | 1753 | |
94a86be0 | 1754 | static _GLIBCXX_CONSTEXPR long double |
4d4cf144 | 1755 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nansl(""); } |
94a86be0 BK |
1756 | |
1757 | static _GLIBCXX_CONSTEXPR long double | |
4d4cf144 | 1758 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return __LDBL_DENORM_MIN__; } |
94a86be0 BK |
1759 | |
1760 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 | |
1761 | = has_infinity && has_quiet_NaN && has_denorm == denorm_present; | |
1762 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
1763 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; | |
1764 | ||
1765 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_long_double_traps; | |
1766 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = | |
1767 | __glibcxx_long_double_tinyness_before; | |
1768 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style = | |
1769 | round_to_nearest; | |
54c1bf78 BK |
1770 | }; |
1771 | ||
2778669a PE |
1772 | #undef __glibcxx_long_double_has_denorm_loss |
1773 | #undef __glibcxx_long_double_traps | |
1774 | #undef __glibcxx_long_double_tinyness_before | |
be71ea9d | 1775 | |
12ffa228 BK |
1776 | _GLIBCXX_END_NAMESPACE_VERSION |
1777 | } // namespace | |
54c1bf78 | 1778 | |
2778669a PE |
1779 | #undef __glibcxx_signed |
1780 | #undef __glibcxx_min | |
1781 | #undef __glibcxx_max | |
1782 | #undef __glibcxx_digits | |
1783 | #undef __glibcxx_digits10 | |
018afad3 | 1784 | #undef __glibcxx_max_digits10 |
6ad8f949 | 1785 | |
1143680e | 1786 | #endif // _GLIBCXX_NUMERIC_LIMITS |