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94a86be0 | 1 | // The template and inlines for the numeric_limits classes. -*- C++ -*- |
de96ac46 | 2 | |
a5544970 | 3 | // Copyright (C) 1999-2019 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 |
0aa06b18 BK |
26 | * This is a Standard C++ Library header. |
27 | */ | |
28 | ||
54c1bf78 BK |
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 | |
54c1bf78 BK |
39 | |
40 | #pragma GCC system_header | |
41 | ||
54c1bf78 BK |
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 | // |
54c1bf78 BK |
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 | ||
54c1bf78 BK |
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 | ||
78a7c317 | 128 | #define __glibcxx_signed_b(T,B) ((T)(-1) < 0) |
6ad8f949 | 129 | |
78a7c317 DD |
130 | #define __glibcxx_min_b(T,B) \ |
131 | (__glibcxx_signed_b (T,B) ? -__glibcxx_max_b (T,B) - 1 : (T)0) | |
6ad8f949 | 132 | |
78a7c317 DD |
133 | #define __glibcxx_max_b(T,B) \ |
134 | (__glibcxx_signed_b (T,B) ? \ | |
135 | (((((T)1 << (__glibcxx_digits_b (T,B) - 1)) - 1) << 1) + 1) : ~(T)0) | |
6ad8f949 | 136 | |
78a7c317 DD |
137 | #define __glibcxx_digits_b(T,B) \ |
138 | (B - __glibcxx_signed_b (T,B)) | |
6ad8f949 RH |
139 | |
140 | // The fraction 643/2136 approximates log10(2) to 7 significant digits. | |
78a7c317 DD |
141 | #define __glibcxx_digits10_b(T,B) \ |
142 | (__glibcxx_digits_b (T,B) * 643L / 2136) | |
143 | ||
144 | #define __glibcxx_signed(T) \ | |
145 | __glibcxx_signed_b (T, sizeof(T) * __CHAR_BIT__) | |
146 | #define __glibcxx_min(T) \ | |
147 | __glibcxx_min_b (T, sizeof(T) * __CHAR_BIT__) | |
148 | #define __glibcxx_max(T) \ | |
149 | __glibcxx_max_b (T, sizeof(T) * __CHAR_BIT__) | |
150 | #define __glibcxx_digits(T) \ | |
151 | __glibcxx_digits_b (T, sizeof(T) * __CHAR_BIT__) | |
2778669a | 152 | #define __glibcxx_digits10(T) \ |
78a7c317 | 153 | __glibcxx_digits10_b (T, sizeof(T) * __CHAR_BIT__) |
6ad8f949 | 154 | |
018afad3 | 155 | #define __glibcxx_max_digits10(T) \ |
dd60dacd | 156 | (2 + (T) * 643L / 2136) |
54c1bf78 | 157 | |
12ffa228 BK |
158 | namespace std _GLIBCXX_VISIBILITY(default) |
159 | { | |
160 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
3cbc7af0 | 161 | |
bd2726e0 PE |
162 | /** |
163 | * @brief Describes the rounding style for floating-point types. | |
164 | * | |
165 | * This is used in the std::numeric_limits class. | |
166 | */ | |
6ad8f949 | 167 | enum float_round_style |
54c1bf78 | 168 | { |
f910786b BK |
169 | round_indeterminate = -1, /// Intermediate. |
170 | round_toward_zero = 0, /// To zero. | |
171 | round_to_nearest = 1, /// To the nearest representable value. | |
172 | round_toward_infinity = 2, /// To infinity. | |
173 | round_toward_neg_infinity = 3 /// To negative infinity. | |
54c1bf78 BK |
174 | }; |
175 | ||
bd2726e0 PE |
176 | /** |
177 | * @brief Describes the denormalization for floating-point types. | |
178 | * | |
179 | * These values represent the presence or absence of a variable number | |
180 | * of exponent bits. This type is used in the std::numeric_limits class. | |
181 | */ | |
6ad8f949 | 182 | enum float_denorm_style |
54c1bf78 | 183 | { |
bd2726e0 | 184 | /// Indeterminate at compile time whether denormalized values are allowed. |
54c1bf78 | 185 | denorm_indeterminate = -1, |
bd2726e0 | 186 | /// The type does not allow denormalized values. |
54c1bf78 | 187 | denorm_absent = 0, |
bd2726e0 | 188 | /// The type allows denormalized values. |
54c1bf78 BK |
189 | denorm_present = 1 |
190 | }; | |
191 | ||
bd2726e0 PE |
192 | /** |
193 | * @brief Part of std::numeric_limits. | |
194 | * | |
195 | * The @c static @c const members are usable as integral constant | |
196 | * expressions. | |
197 | * | |
28dac70a | 198 | * @note This is a separate class for purposes of efficiency; you |
bd2726e0 PE |
199 | * should only access these members as part of an instantiation |
200 | * of the std::numeric_limits class. | |
201 | */ | |
84979344 BK |
202 | struct __numeric_limits_base |
203 | { | |
bd2726e0 | 204 | /** This will be true for all fundamental types (which have |
94a86be0 BK |
205 | specializations), and false for everything else. */ |
206 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = false; | |
84979344 | 207 | |
bd2726e0 | 208 | /** The number of @c radix digits that be represented without change: for |
94a86be0 BK |
209 | integer types, the number of non-sign bits in the mantissa; for |
210 | floating types, the number of @c radix digits in the mantissa. */ | |
211 | static _GLIBCXX_USE_CONSTEXPR int digits = 0; | |
212 | ||
bd2726e0 | 213 | /** The number of base 10 digits that can be represented without change. */ |
94a86be0 BK |
214 | static _GLIBCXX_USE_CONSTEXPR int digits10 = 0; |
215 | ||
734f5023 | 216 | #if __cplusplus >= 201103L |
018afad3 ESR |
217 | /** The number of base 10 digits required to ensure that values which |
218 | differ are always differentiated. */ | |
94a86be0 | 219 | static constexpr int max_digits10 = 0; |
018afad3 | 220 | #endif |
94a86be0 | 221 | |
bd2726e0 | 222 | /** True if the type is signed. */ |
94a86be0 BK |
223 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
224 | ||
c0ffa2ba | 225 | /** True if the type is integer. */ |
94a86be0 BK |
226 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; |
227 | ||
c0ffa2ba | 228 | /** True if the type uses an exact representation. All integer types are |
94a86be0 | 229 | exact, but not all exact types are integer. For example, rational and |
c0ffa2ba | 230 | fixed-exponent representations are exact but not integer. */ |
94a86be0 BK |
231 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; |
232 | ||
bd2726e0 | 233 | /** For integer types, specifies the base of the representation. For |
94a86be0 BK |
234 | floating types, specifies the base of the exponent representation. */ |
235 | static _GLIBCXX_USE_CONSTEXPR int radix = 0; | |
84979344 | 236 | |
bd2726e0 | 237 | /** The minimum negative integer such that @c radix raised to the power of |
94a86be0 BK |
238 | (one less than that integer) is a normalized floating point number. */ |
239 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
240 | ||
bd2726e0 | 241 | /** The minimum negative integer such that 10 raised to that power is in |
94a86be0 BK |
242 | the range of normalized floating point numbers. */ |
243 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
244 | ||
bd2726e0 | 245 | /** The maximum positive integer such that @c radix raised to the power of |
94a86be0 | 246 | (one less than that integer) is a representable finite floating point |
bd2726e0 | 247 | number. */ |
94a86be0 BK |
248 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; |
249 | ||
bd2726e0 | 250 | /** The maximum positive integer such that 10 raised to that power is in |
94a86be0 BK |
251 | the range of representable finite floating point numbers. */ |
252 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
6ad8f949 | 253 | |
bd2726e0 | 254 | /** True if the type has a representation for positive infinity. */ |
94a86be0 BK |
255 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; |
256 | ||
bd2726e0 | 257 | /** True if the type has a representation for a quiet (non-signaling) |
c0ffa2ba | 258 | Not a Number. */ |
94a86be0 BK |
259 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; |
260 | ||
bd2726e0 | 261 | /** True if the type has a representation for a signaling |
c0ffa2ba | 262 | Not a Number. */ |
94a86be0 BK |
263 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; |
264 | ||
bd2726e0 | 265 | /** See std::float_denorm_style for more information. */ |
94a86be0 BK |
266 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm = denorm_absent; |
267 | ||
c0ffa2ba BK |
268 | /** True if loss of accuracy is detected as a denormalization loss, |
269 | rather than as an inexact result. */ | |
94a86be0 | 270 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; |
84979344 | 271 | |
bd2726e0 | 272 | /** True if-and-only-if the type adheres to the IEC 559 standard, also |
94a86be0 BK |
273 | known as IEEE 754. (Only makes sense for floating point types.) */ |
274 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
275 | ||
c0ffa2ba | 276 | /** True if the set of values representable by the type is |
94a86be0 | 277 | finite. All built-in types are bounded, this member would be |
c0ffa2ba | 278 | false for arbitrary precision types. */ |
94a86be0 BK |
279 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = false; |
280 | ||
1c830087 MG |
281 | /** True if the type is @e modulo. A type is modulo if, for any |
282 | operation involving +, -, or * on values of that type whose | |
283 | result would fall outside the range [min(),max()], the value | |
284 | returned differs from the true value by an integer multiple of | |
285 | max() - min() + 1. On most machines, this is false for floating | |
286 | types, true for unsigned integers, and true for signed integers. | |
287 | See PR22200 about signed integers. */ | |
94a86be0 | 288 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
84979344 | 289 | |
bd2726e0 | 290 | /** True if trapping is implemented for this type. */ |
94a86be0 BK |
291 | static _GLIBCXX_USE_CONSTEXPR bool traps = false; |
292 | ||
28dac70a | 293 | /** True if tininess is detected before rounding. (see IEC 559) */ |
94a86be0 BK |
294 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; |
295 | ||
bd2726e0 | 296 | /** See std::float_round_style for more information. This is only |
94a86be0 | 297 | meaningful for floating types; integer types will all be |
bd2726e0 | 298 | round_toward_zero. */ |
33ac58d5 | 299 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style = |
94a86be0 | 300 | round_toward_zero; |
84979344 BK |
301 | }; |
302 | ||
bd2726e0 PE |
303 | /** |
304 | * @brief Properties of fundamental types. | |
305 | * | |
306 | * This class allows a program to obtain information about the | |
307 | * representation of a fundamental type on a given platform. For | |
308 | * non-fundamental types, the functions will return 0 and the data | |
309 | * members will all be @c false. | |
bd2726e0 | 310 | */ |
6ad8f949 RH |
311 | template<typename _Tp> |
312 | struct numeric_limits : public __numeric_limits_base | |
54c1bf78 | 313 | { |
bd2726e0 | 314 | /** The minimum finite value, or for floating types with |
94a86be0 BK |
315 | denormalization, the minimum positive normalized value. */ |
316 | static _GLIBCXX_CONSTEXPR _Tp | |
b98fcf6e | 317 | min() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
94a86be0 | 318 | |
bd2726e0 | 319 | /** The maximum finite value. */ |
94a86be0 | 320 | static _GLIBCXX_CONSTEXPR _Tp |
b98fcf6e | 321 | max() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
94a86be0 | 322 | |
734f5023 | 323 | #if __cplusplus >= 201103L |
018afad3 ESR |
324 | /** A finite value x such that there is no other finite value y |
325 | * where y < x. */ | |
94a86be0 | 326 | static constexpr _Tp |
b98fcf6e | 327 | lowest() noexcept { return _Tp(); } |
018afad3 | 328 | #endif |
94a86be0 | 329 | |
bd2726e0 | 330 | /** The @e machine @e epsilon: the difference between 1 and the least |
94a86be0 BK |
331 | value greater than 1 that is representable. */ |
332 | static _GLIBCXX_CONSTEXPR _Tp | |
b98fcf6e | 333 | epsilon() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
94a86be0 | 334 | |
bd2726e0 | 335 | /** The maximum rounding error measurement (see LIA-1). */ |
94a86be0 | 336 | static _GLIBCXX_CONSTEXPR _Tp |
b98fcf6e | 337 | round_error() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
94a86be0 | 338 | |
bd2726e0 | 339 | /** The representation of positive infinity, if @c has_infinity. */ |
94a86be0 | 340 | static _GLIBCXX_CONSTEXPR _Tp |
b98fcf6e | 341 | infinity() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
2a60a9f6 | 342 | |
c0ffa2ba | 343 | /** The representation of a quiet Not a Number, |
2a60a9f6 | 344 | if @c has_quiet_NaN. */ |
94a86be0 | 345 | static _GLIBCXX_CONSTEXPR _Tp |
b98fcf6e | 346 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
94a86be0 | 347 | |
c0ffa2ba | 348 | /** The representation of a signaling Not a Number, if |
94a86be0 BK |
349 | @c has_signaling_NaN. */ |
350 | static _GLIBCXX_CONSTEXPR _Tp | |
b98fcf6e | 351 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
94a86be0 | 352 | |
bd2726e0 | 353 | /** The minimum positive denormalized value. For types where |
94a86be0 | 354 | @c has_denorm is false, this is the minimum positive normalized |
bd2726e0 | 355 | value. */ |
94a86be0 | 356 | static _GLIBCXX_CONSTEXPR _Tp |
b98fcf6e | 357 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return _Tp(); } |
54c1bf78 BK |
358 | }; |
359 | ||
45e20696 JW |
360 | // _GLIBCXX_RESOLVE_LIB_DEFECTS |
361 | // 559. numeric_limits<const T> | |
362 | ||
ce4674f2 PC |
363 | template<typename _Tp> |
364 | struct numeric_limits<const _Tp> | |
365 | : public numeric_limits<_Tp> { }; | |
366 | ||
367 | template<typename _Tp> | |
368 | struct numeric_limits<volatile _Tp> | |
369 | : public numeric_limits<_Tp> { }; | |
370 | ||
371 | template<typename _Tp> | |
372 | struct numeric_limits<const volatile _Tp> | |
373 | : public numeric_limits<_Tp> { }; | |
ce4674f2 PC |
374 | |
375 | // Now there follow 16 explicit specializations. Yes, 16. Make sure | |
45e20696 JW |
376 | // you get the count right. (18 in C++11 mode, with char16_t and char32_t.) |
377 | ||
378 | // _GLIBCXX_RESOLVE_LIB_DEFECTS | |
379 | // 184. numeric_limits<bool> wording problems | |
0aa06b18 BK |
380 | |
381 | /// numeric_limits<bool> specialization. | |
54c1bf78 BK |
382 | template<> |
383 | struct numeric_limits<bool> | |
384 | { | |
94a86be0 BK |
385 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
386 | ||
33ac58d5 | 387 | static _GLIBCXX_CONSTEXPR bool |
4d4cf144 | 388 | min() _GLIBCXX_USE_NOEXCEPT { return false; } |
94a86be0 | 389 | |
33ac58d5 | 390 | static _GLIBCXX_CONSTEXPR bool |
4d4cf144 | 391 | max() _GLIBCXX_USE_NOEXCEPT { return true; } |
54c1bf78 | 392 | |
734f5023 | 393 | #if __cplusplus >= 201103L |
94a86be0 | 394 | static constexpr bool |
4d4cf144 | 395 | lowest() noexcept { return min(); } |
018afad3 | 396 | #endif |
94a86be0 BK |
397 | static _GLIBCXX_USE_CONSTEXPR int digits = 1; |
398 | static _GLIBCXX_USE_CONSTEXPR int digits10 = 0; | |
734f5023 | 399 | #if __cplusplus >= 201103L |
94a86be0 | 400 | static constexpr int max_digits10 = 0; |
018afad3 | 401 | #endif |
94a86be0 BK |
402 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
403 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
404 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
405 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
406 | ||
33ac58d5 | 407 | static _GLIBCXX_CONSTEXPR bool |
4d4cf144 | 408 | epsilon() _GLIBCXX_USE_NOEXCEPT { return false; } |
94a86be0 | 409 | |
33ac58d5 | 410 | static _GLIBCXX_CONSTEXPR bool |
4d4cf144 | 411 | round_error() _GLIBCXX_USE_NOEXCEPT { return false; } |
94a86be0 BK |
412 | |
413 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
414 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
415 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
416 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
417 | ||
418 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
419 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
420 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
33ac58d5 | 421 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
94a86be0 BK |
422 | = denorm_absent; |
423 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
424 | ||
33ac58d5 | 425 | static _GLIBCXX_CONSTEXPR bool |
4d4cf144 | 426 | infinity() _GLIBCXX_USE_NOEXCEPT { return false; } |
94a86be0 | 427 | |
33ac58d5 | 428 | static _GLIBCXX_CONSTEXPR bool |
4d4cf144 | 429 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return false; } |
94a86be0 | 430 | |
33ac58d5 | 431 | static _GLIBCXX_CONSTEXPR bool |
4d4cf144 | 432 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return false; } |
94a86be0 | 433 | |
33ac58d5 | 434 | static _GLIBCXX_CONSTEXPR bool |
4d4cf144 | 435 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return false; } |
94a86be0 BK |
436 | |
437 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
438 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
439 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; | |
54c1bf78 BK |
440 | |
441 | // It is not clear what it means for a boolean type to trap. | |
442 | // This is a DR on the LWG issue list. Here, I use integer | |
443 | // promotion semantics. | |
94a86be0 BK |
444 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; |
445 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
33ac58d5 | 446 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
94a86be0 | 447 | = round_toward_zero; |
54c1bf78 BK |
448 | }; |
449 | ||
0aa06b18 | 450 | /// numeric_limits<char> specialization. |
54c1bf78 BK |
451 | template<> |
452 | struct numeric_limits<char> | |
453 | { | |
94a86be0 BK |
454 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
455 | ||
33ac58d5 | 456 | static _GLIBCXX_CONSTEXPR char |
4d4cf144 | 457 | min() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_min(char); } |
94a86be0 | 458 | |
33ac58d5 | 459 | static _GLIBCXX_CONSTEXPR char |
4d4cf144 | 460 | max() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_max(char); } |
54c1bf78 | 461 | |
734f5023 | 462 | #if __cplusplus >= 201103L |
33ac58d5 | 463 | static constexpr char |
4d4cf144 | 464 | lowest() noexcept { return min(); } |
018afad3 | 465 | #endif |
54c1bf78 | 466 | |
94a86be0 BK |
467 | static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (char); |
468 | static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (char); | |
734f5023 | 469 | #if __cplusplus >= 201103L |
94a86be0 | 470 | static constexpr int max_digits10 = 0; |
018afad3 | 471 | #endif |
94a86be0 BK |
472 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = __glibcxx_signed (char); |
473 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
474 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
475 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
476 | ||
33ac58d5 | 477 | static _GLIBCXX_CONSTEXPR char |
4d4cf144 | 478 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 | 479 | |
33ac58d5 | 480 | static _GLIBCXX_CONSTEXPR char |
4d4cf144 | 481 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 BK |
482 | |
483 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
484 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
485 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
486 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
487 | ||
488 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
489 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
490 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
33ac58d5 | 491 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
94a86be0 BK |
492 | = denorm_absent; |
493 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
494 | ||
33ac58d5 | 495 | static _GLIBCXX_CONSTEXPR |
4d4cf144 | 496 | char infinity() _GLIBCXX_USE_NOEXCEPT { return char(); } |
94a86be0 | 497 | |
33ac58d5 | 498 | static _GLIBCXX_CONSTEXPR char |
4d4cf144 | 499 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return char(); } |
94a86be0 | 500 | |
33ac58d5 | 501 | static _GLIBCXX_CONSTEXPR char |
4d4cf144 | 502 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return char(); } |
94a86be0 | 503 | |
33ac58d5 | 504 | static _GLIBCXX_CONSTEXPR char |
4d4cf144 | 505 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return static_cast<char>(0); } |
94a86be0 BK |
506 | |
507 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
508 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
1c830087 | 509 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = !is_signed; |
94a86be0 BK |
510 | |
511 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
512 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
33ac58d5 | 513 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
94a86be0 | 514 | = round_toward_zero; |
54c1bf78 BK |
515 | }; |
516 | ||
0aa06b18 | 517 | /// numeric_limits<signed char> specialization. |
54c1bf78 BK |
518 | template<> |
519 | struct numeric_limits<signed char> | |
520 | { | |
94a86be0 BK |
521 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
522 | ||
33ac58d5 | 523 | static _GLIBCXX_CONSTEXPR signed char |
4d4cf144 | 524 | min() _GLIBCXX_USE_NOEXCEPT { return -__SCHAR_MAX__ - 1; } |
94a86be0 | 525 | |
33ac58d5 | 526 | static _GLIBCXX_CONSTEXPR signed char |
4d4cf144 | 527 | max() _GLIBCXX_USE_NOEXCEPT { return __SCHAR_MAX__; } |
54c1bf78 | 528 | |
734f5023 | 529 | #if __cplusplus >= 201103L |
33ac58d5 | 530 | static constexpr signed char |
4d4cf144 | 531 | lowest() noexcept { return min(); } |
018afad3 | 532 | #endif |
54c1bf78 | 533 | |
94a86be0 | 534 | static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (signed char); |
33ac58d5 | 535 | static _GLIBCXX_USE_CONSTEXPR int digits10 |
94a86be0 | 536 | = __glibcxx_digits10 (signed char); |
734f5023 | 537 | #if __cplusplus >= 201103L |
94a86be0 | 538 | static constexpr int max_digits10 = 0; |
018afad3 | 539 | #endif |
94a86be0 BK |
540 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
541 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
542 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
543 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
544 | ||
33ac58d5 | 545 | static _GLIBCXX_CONSTEXPR signed char |
4d4cf144 | 546 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 | 547 | |
33ac58d5 | 548 | static _GLIBCXX_CONSTEXPR signed char |
4d4cf144 | 549 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 BK |
550 | |
551 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
552 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
553 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
554 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
555 | ||
556 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
557 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
558 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
33ac58d5 | 559 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
94a86be0 BK |
560 | = denorm_absent; |
561 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
562 | ||
33ac58d5 | 563 | static _GLIBCXX_CONSTEXPR signed char |
4d4cf144 | 564 | infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast<signed char>(0); } |
94a86be0 | 565 | |
33ac58d5 | 566 | static _GLIBCXX_CONSTEXPR signed char |
4d4cf144 | 567 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<signed char>(0); } |
94a86be0 | 568 | |
33ac58d5 | 569 | static _GLIBCXX_CONSTEXPR signed char |
4d4cf144 PC |
570 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
571 | { return static_cast<signed char>(0); } | |
94a86be0 | 572 | |
33ac58d5 | 573 | static _GLIBCXX_CONSTEXPR signed char |
4d4cf144 PC |
574 | denorm_min() _GLIBCXX_USE_NOEXCEPT |
575 | { return static_cast<signed char>(0); } | |
94a86be0 BK |
576 | |
577 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
578 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
1c830087 | 579 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
94a86be0 BK |
580 | |
581 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
582 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
33ac58d5 | 583 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
94a86be0 | 584 | = round_toward_zero; |
54c1bf78 BK |
585 | }; |
586 | ||
0aa06b18 | 587 | /// numeric_limits<unsigned char> specialization. |
54c1bf78 BK |
588 | template<> |
589 | struct numeric_limits<unsigned char> | |
590 | { | |
94a86be0 BK |
591 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
592 | ||
33ac58d5 | 593 | static _GLIBCXX_CONSTEXPR unsigned char |
4d4cf144 | 594 | min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 | 595 | |
33ac58d5 | 596 | static _GLIBCXX_CONSTEXPR unsigned char |
4d4cf144 | 597 | max() _GLIBCXX_USE_NOEXCEPT { return __SCHAR_MAX__ * 2U + 1; } |
54c1bf78 | 598 | |
734f5023 | 599 | #if __cplusplus >= 201103L |
33ac58d5 | 600 | static constexpr unsigned char |
4d4cf144 | 601 | lowest() noexcept { return min(); } |
018afad3 | 602 | #endif |
54c1bf78 | 603 | |
33ac58d5 | 604 | static _GLIBCXX_USE_CONSTEXPR int digits |
94a86be0 | 605 | = __glibcxx_digits (unsigned char); |
33ac58d5 | 606 | static _GLIBCXX_USE_CONSTEXPR int digits10 |
94a86be0 | 607 | = __glibcxx_digits10 (unsigned char); |
734f5023 | 608 | #if __cplusplus >= 201103L |
94a86be0 | 609 | static constexpr int max_digits10 = 0; |
018afad3 | 610 | #endif |
94a86be0 BK |
611 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
612 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
613 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
614 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
615 | ||
33ac58d5 | 616 | static _GLIBCXX_CONSTEXPR unsigned char |
4d4cf144 | 617 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 | 618 | |
33ac58d5 | 619 | static _GLIBCXX_CONSTEXPR unsigned char |
4d4cf144 | 620 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 BK |
621 | |
622 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
623 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
624 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
625 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
626 | ||
627 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
628 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
629 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
33ac58d5 | 630 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
94a86be0 BK |
631 | = denorm_absent; |
632 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
633 | ||
33ac58d5 | 634 | static _GLIBCXX_CONSTEXPR unsigned char |
4d4cf144 PC |
635 | infinity() _GLIBCXX_USE_NOEXCEPT |
636 | { return static_cast<unsigned char>(0); } | |
94a86be0 | 637 | |
33ac58d5 | 638 | static _GLIBCXX_CONSTEXPR unsigned char |
4d4cf144 PC |
639 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
640 | { return static_cast<unsigned char>(0); } | |
94a86be0 | 641 | |
33ac58d5 | 642 | static _GLIBCXX_CONSTEXPR unsigned char |
4d4cf144 PC |
643 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
644 | { return static_cast<unsigned char>(0); } | |
94a86be0 | 645 | |
33ac58d5 | 646 | static _GLIBCXX_CONSTEXPR unsigned char |
4d4cf144 PC |
647 | denorm_min() _GLIBCXX_USE_NOEXCEPT |
648 | { return static_cast<unsigned char>(0); } | |
94a86be0 BK |
649 | |
650 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
651 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
652 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; | |
653 | ||
654 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
655 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
33ac58d5 | 656 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
94a86be0 | 657 | = round_toward_zero; |
54c1bf78 BK |
658 | }; |
659 | ||
0aa06b18 | 660 | /// numeric_limits<wchar_t> specialization. |
54c1bf78 BK |
661 | template<> |
662 | struct numeric_limits<wchar_t> | |
663 | { | |
94a86be0 BK |
664 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
665 | ||
33ac58d5 | 666 | static _GLIBCXX_CONSTEXPR wchar_t |
4d4cf144 | 667 | min() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_min (wchar_t); } |
94a86be0 | 668 | |
33ac58d5 | 669 | static _GLIBCXX_CONSTEXPR wchar_t |
4d4cf144 | 670 | max() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_max (wchar_t); } |
54c1bf78 | 671 | |
734f5023 | 672 | #if __cplusplus >= 201103L |
4d4cf144 PC |
673 | static constexpr wchar_t |
674 | lowest() noexcept { return min(); } | |
018afad3 | 675 | #endif |
54c1bf78 | 676 | |
94a86be0 | 677 | static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (wchar_t); |
33ac58d5 | 678 | static _GLIBCXX_USE_CONSTEXPR int digits10 |
94a86be0 | 679 | = __glibcxx_digits10 (wchar_t); |
734f5023 | 680 | #if __cplusplus >= 201103L |
94a86be0 | 681 | static constexpr int max_digits10 = 0; |
018afad3 | 682 | #endif |
94a86be0 BK |
683 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = __glibcxx_signed (wchar_t); |
684 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
685 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
686 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
687 | ||
33ac58d5 | 688 | static _GLIBCXX_CONSTEXPR wchar_t |
4d4cf144 | 689 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 | 690 | |
33ac58d5 | 691 | static _GLIBCXX_CONSTEXPR wchar_t |
4d4cf144 | 692 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 BK |
693 | |
694 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
695 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
696 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
697 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
698 | ||
699 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
700 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
701 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
33ac58d5 | 702 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
94a86be0 BK |
703 | = denorm_absent; |
704 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
705 | ||
33ac58d5 | 706 | static _GLIBCXX_CONSTEXPR wchar_t |
4d4cf144 | 707 | infinity() _GLIBCXX_USE_NOEXCEPT { return wchar_t(); } |
94a86be0 | 708 | |
33ac58d5 | 709 | static _GLIBCXX_CONSTEXPR wchar_t |
4d4cf144 | 710 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return wchar_t(); } |
94a86be0 | 711 | |
33ac58d5 | 712 | static _GLIBCXX_CONSTEXPR wchar_t |
4d4cf144 | 713 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return wchar_t(); } |
94a86be0 | 714 | |
33ac58d5 | 715 | static _GLIBCXX_CONSTEXPR wchar_t |
4d4cf144 | 716 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return wchar_t(); } |
94a86be0 BK |
717 | |
718 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
719 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
1c830087 | 720 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = !is_signed; |
94a86be0 BK |
721 | |
722 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
723 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
33ac58d5 | 724 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
94a86be0 | 725 | = round_toward_zero; |
54c1bf78 BK |
726 | }; |
727 | ||
734f5023 | 728 | #if __cplusplus >= 201103L |
5fb0445d PC |
729 | /// numeric_limits<char16_t> specialization. |
730 | template<> | |
731 | struct numeric_limits<char16_t> | |
732 | { | |
4d4cf144 | 733 | static constexpr bool is_specialized = true; |
94a86be0 | 734 | |
33ac58d5 | 735 | static constexpr char16_t |
4d4cf144 | 736 | min() noexcept { return __glibcxx_min (char16_t); } |
94a86be0 | 737 | |
33ac58d5 | 738 | static constexpr char16_t |
4d4cf144 | 739 | max() noexcept { return __glibcxx_max (char16_t); } |
5fb0445d | 740 | |
33ac58d5 | 741 | static constexpr char16_t |
4d4cf144 | 742 | lowest() noexcept { return min(); } |
5fb0445d | 743 | |
4d4cf144 PC |
744 | static constexpr int digits = __glibcxx_digits (char16_t); |
745 | static constexpr int digits10 = __glibcxx_digits10 (char16_t); | |
94a86be0 | 746 | static constexpr int max_digits10 = 0; |
4d4cf144 PC |
747 | static constexpr bool is_signed = __glibcxx_signed (char16_t); |
748 | static constexpr bool is_integer = true; | |
749 | static constexpr bool is_exact = true; | |
750 | static constexpr int radix = 2; | |
94a86be0 | 751 | |
33ac58d5 | 752 | static constexpr char16_t |
4d4cf144 | 753 | epsilon() noexcept { return 0; } |
94a86be0 | 754 | |
33ac58d5 | 755 | static constexpr char16_t |
4d4cf144 | 756 | round_error() noexcept { return 0; } |
94a86be0 | 757 | |
4d4cf144 PC |
758 | static constexpr int min_exponent = 0; |
759 | static constexpr int min_exponent10 = 0; | |
760 | static constexpr int max_exponent = 0; | |
761 | static constexpr int max_exponent10 = 0; | |
94a86be0 | 762 | |
4d4cf144 PC |
763 | static constexpr bool has_infinity = false; |
764 | static constexpr bool has_quiet_NaN = false; | |
765 | static constexpr bool has_signaling_NaN = false; | |
766 | static constexpr float_denorm_style has_denorm = denorm_absent; | |
767 | static constexpr bool has_denorm_loss = false; | |
94a86be0 | 768 | |
33ac58d5 | 769 | static constexpr char16_t |
4d4cf144 | 770 | infinity() noexcept { return char16_t(); } |
94a86be0 | 771 | |
33ac58d5 | 772 | static constexpr char16_t |
4d4cf144 | 773 | quiet_NaN() noexcept { return char16_t(); } |
94a86be0 | 774 | |
33ac58d5 | 775 | static constexpr char16_t |
4d4cf144 | 776 | signaling_NaN() noexcept { return char16_t(); } |
94a86be0 | 777 | |
33ac58d5 | 778 | static constexpr char16_t |
4d4cf144 | 779 | denorm_min() noexcept { return char16_t(); } |
94a86be0 | 780 | |
4d4cf144 PC |
781 | static constexpr bool is_iec559 = false; |
782 | static constexpr bool is_bounded = true; | |
1c830087 | 783 | static constexpr bool is_modulo = !is_signed; |
94a86be0 | 784 | |
4d4cf144 PC |
785 | static constexpr bool traps = __glibcxx_integral_traps; |
786 | static constexpr bool tinyness_before = false; | |
787 | static constexpr float_round_style round_style = round_toward_zero; | |
5fb0445d PC |
788 | }; |
789 | ||
790 | /// numeric_limits<char32_t> specialization. | |
791 | template<> | |
792 | struct numeric_limits<char32_t> | |
793 | { | |
4d4cf144 | 794 | static constexpr bool is_specialized = true; |
94a86be0 | 795 | |
33ac58d5 | 796 | static constexpr char32_t |
4d4cf144 | 797 | min() noexcept { return __glibcxx_min (char32_t); } |
94a86be0 | 798 | |
33ac58d5 | 799 | static constexpr char32_t |
4d4cf144 | 800 | max() noexcept { return __glibcxx_max (char32_t); } |
5fb0445d | 801 | |
33ac58d5 | 802 | static constexpr char32_t |
4d4cf144 | 803 | lowest() noexcept { return min(); } |
5fb0445d | 804 | |
4d4cf144 PC |
805 | static constexpr int digits = __glibcxx_digits (char32_t); |
806 | static constexpr int digits10 = __glibcxx_digits10 (char32_t); | |
94a86be0 | 807 | static constexpr int max_digits10 = 0; |
4d4cf144 PC |
808 | static constexpr bool is_signed = __glibcxx_signed (char32_t); |
809 | static constexpr bool is_integer = true; | |
810 | static constexpr bool is_exact = true; | |
811 | static constexpr int radix = 2; | |
94a86be0 | 812 | |
33ac58d5 | 813 | static constexpr char32_t |
4d4cf144 | 814 | epsilon() noexcept { return 0; } |
94a86be0 | 815 | |
33ac58d5 | 816 | static constexpr char32_t |
4d4cf144 | 817 | round_error() noexcept { return 0; } |
94a86be0 | 818 | |
4d4cf144 PC |
819 | static constexpr int min_exponent = 0; |
820 | static constexpr int min_exponent10 = 0; | |
821 | static constexpr int max_exponent = 0; | |
822 | static constexpr int max_exponent10 = 0; | |
94a86be0 | 823 | |
4d4cf144 PC |
824 | static constexpr bool has_infinity = false; |
825 | static constexpr bool has_quiet_NaN = false; | |
826 | static constexpr bool has_signaling_NaN = false; | |
827 | static constexpr float_denorm_style has_denorm = denorm_absent; | |
828 | static constexpr bool has_denorm_loss = false; | |
94a86be0 | 829 | |
33ac58d5 | 830 | static constexpr char32_t |
4d4cf144 | 831 | infinity() noexcept { return char32_t(); } |
94a86be0 | 832 | |
33ac58d5 | 833 | static constexpr char32_t |
4d4cf144 | 834 | quiet_NaN() noexcept { return char32_t(); } |
94a86be0 | 835 | |
33ac58d5 | 836 | static constexpr char32_t |
4d4cf144 | 837 | signaling_NaN() noexcept { return char32_t(); } |
94a86be0 | 838 | |
33ac58d5 | 839 | static constexpr char32_t |
4d4cf144 | 840 | denorm_min() noexcept { return char32_t(); } |
94a86be0 | 841 | |
4d4cf144 PC |
842 | static constexpr bool is_iec559 = false; |
843 | static constexpr bool is_bounded = true; | |
1c830087 | 844 | static constexpr bool is_modulo = !is_signed; |
94a86be0 | 845 | |
4d4cf144 PC |
846 | static constexpr bool traps = __glibcxx_integral_traps; |
847 | static constexpr bool tinyness_before = false; | |
848 | static constexpr float_round_style round_style = round_toward_zero; | |
5fb0445d PC |
849 | }; |
850 | #endif | |
851 | ||
0aa06b18 | 852 | /// numeric_limits<short> specialization. |
54c1bf78 BK |
853 | template<> |
854 | struct numeric_limits<short> | |
855 | { | |
94a86be0 BK |
856 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
857 | ||
33ac58d5 | 858 | static _GLIBCXX_CONSTEXPR short |
4d4cf144 | 859 | min() _GLIBCXX_USE_NOEXCEPT { return -__SHRT_MAX__ - 1; } |
94a86be0 | 860 | |
33ac58d5 | 861 | static _GLIBCXX_CONSTEXPR short |
4d4cf144 | 862 | max() _GLIBCXX_USE_NOEXCEPT { return __SHRT_MAX__; } |
54c1bf78 | 863 | |
734f5023 | 864 | #if __cplusplus >= 201103L |
33ac58d5 | 865 | static constexpr short |
4d4cf144 | 866 | lowest() noexcept { return min(); } |
018afad3 | 867 | #endif |
54c1bf78 | 868 | |
94a86be0 BK |
869 | static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (short); |
870 | static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (short); | |
734f5023 | 871 | #if __cplusplus >= 201103L |
94a86be0 | 872 | static constexpr int max_digits10 = 0; |
018afad3 | 873 | #endif |
94a86be0 BK |
874 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
875 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
876 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
877 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
878 | ||
33ac58d5 | 879 | static _GLIBCXX_CONSTEXPR short |
4d4cf144 | 880 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 | 881 | |
33ac58d5 | 882 | static _GLIBCXX_CONSTEXPR short |
4d4cf144 | 883 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 BK |
884 | |
885 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
886 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
887 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
888 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
889 | ||
890 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
891 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
892 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
33ac58d5 | 893 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
94a86be0 BK |
894 | = denorm_absent; |
895 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
896 | ||
33ac58d5 | 897 | static _GLIBCXX_CONSTEXPR short |
4d4cf144 | 898 | infinity() _GLIBCXX_USE_NOEXCEPT { return short(); } |
94a86be0 | 899 | |
33ac58d5 | 900 | static _GLIBCXX_CONSTEXPR short |
4d4cf144 | 901 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return short(); } |
94a86be0 | 902 | |
33ac58d5 | 903 | static _GLIBCXX_CONSTEXPR short |
4d4cf144 | 904 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return short(); } |
94a86be0 | 905 | |
33ac58d5 | 906 | static _GLIBCXX_CONSTEXPR short |
4d4cf144 | 907 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return short(); } |
94a86be0 BK |
908 | |
909 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
910 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
1c830087 | 911 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
94a86be0 BK |
912 | |
913 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
914 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
33ac58d5 | 915 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
94a86be0 | 916 | = round_toward_zero; |
54c1bf78 BK |
917 | }; |
918 | ||
0aa06b18 | 919 | /// numeric_limits<unsigned short> specialization. |
54c1bf78 BK |
920 | template<> |
921 | struct numeric_limits<unsigned short> | |
922 | { | |
94a86be0 BK |
923 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
924 | ||
33ac58d5 | 925 | static _GLIBCXX_CONSTEXPR unsigned short |
4d4cf144 | 926 | min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 | 927 | |
33ac58d5 | 928 | static _GLIBCXX_CONSTEXPR unsigned short |
4d4cf144 | 929 | max() _GLIBCXX_USE_NOEXCEPT { return __SHRT_MAX__ * 2U + 1; } |
54c1bf78 | 930 | |
734f5023 | 931 | #if __cplusplus >= 201103L |
33ac58d5 | 932 | static constexpr unsigned short |
4d4cf144 | 933 | lowest() noexcept { return min(); } |
018afad3 | 934 | #endif |
54c1bf78 | 935 | |
33ac58d5 | 936 | static _GLIBCXX_USE_CONSTEXPR int digits |
94a86be0 | 937 | = __glibcxx_digits (unsigned short); |
33ac58d5 | 938 | static _GLIBCXX_USE_CONSTEXPR int digits10 |
94a86be0 | 939 | = __glibcxx_digits10 (unsigned short); |
734f5023 | 940 | #if __cplusplus >= 201103L |
94a86be0 | 941 | static constexpr int max_digits10 = 0; |
018afad3 | 942 | #endif |
94a86be0 BK |
943 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
944 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
945 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
946 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
947 | ||
33ac58d5 | 948 | static _GLIBCXX_CONSTEXPR unsigned short |
4d4cf144 | 949 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 | 950 | |
33ac58d5 | 951 | static _GLIBCXX_CONSTEXPR unsigned short |
4d4cf144 | 952 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 BK |
953 | |
954 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
955 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
956 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
957 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
958 | ||
959 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
960 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
961 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
33ac58d5 | 962 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
94a86be0 BK |
963 | = denorm_absent; |
964 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
965 | ||
33ac58d5 | 966 | static _GLIBCXX_CONSTEXPR unsigned short |
4d4cf144 PC |
967 | infinity() _GLIBCXX_USE_NOEXCEPT |
968 | { return static_cast<unsigned short>(0); } | |
94a86be0 | 969 | |
33ac58d5 | 970 | static _GLIBCXX_CONSTEXPR unsigned short |
4d4cf144 PC |
971 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
972 | { return static_cast<unsigned short>(0); } | |
94a86be0 | 973 | |
33ac58d5 | 974 | static _GLIBCXX_CONSTEXPR unsigned short |
4d4cf144 PC |
975 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
976 | { return static_cast<unsigned short>(0); } | |
94a86be0 | 977 | |
33ac58d5 | 978 | static _GLIBCXX_CONSTEXPR unsigned short |
4d4cf144 PC |
979 | denorm_min() _GLIBCXX_USE_NOEXCEPT |
980 | { return static_cast<unsigned short>(0); } | |
94a86be0 BK |
981 | |
982 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
983 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
984 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; | |
985 | ||
986 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
987 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
33ac58d5 | 988 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
94a86be0 | 989 | = round_toward_zero; |
54c1bf78 BK |
990 | }; |
991 | ||
0aa06b18 | 992 | /// numeric_limits<int> specialization. |
54c1bf78 BK |
993 | template<> |
994 | struct numeric_limits<int> | |
995 | { | |
94a86be0 BK |
996 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
997 | ||
33ac58d5 | 998 | static _GLIBCXX_CONSTEXPR int |
4d4cf144 | 999 | min() _GLIBCXX_USE_NOEXCEPT { return -__INT_MAX__ - 1; } |
94a86be0 | 1000 | |
33ac58d5 | 1001 | static _GLIBCXX_CONSTEXPR int |
4d4cf144 | 1002 | max() _GLIBCXX_USE_NOEXCEPT { return __INT_MAX__; } |
54c1bf78 | 1003 | |
734f5023 | 1004 | #if __cplusplus >= 201103L |
33ac58d5 | 1005 | static constexpr int |
4d4cf144 | 1006 | lowest() noexcept { return min(); } |
018afad3 | 1007 | #endif |
54c1bf78 | 1008 | |
94a86be0 BK |
1009 | static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (int); |
1010 | static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (int); | |
734f5023 | 1011 | #if __cplusplus >= 201103L |
94a86be0 | 1012 | static constexpr int max_digits10 = 0; |
018afad3 | 1013 | #endif |
94a86be0 BK |
1014 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
1015 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
1016 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
1017 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
1018 | ||
33ac58d5 | 1019 | static _GLIBCXX_CONSTEXPR int |
4d4cf144 | 1020 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 | 1021 | |
33ac58d5 | 1022 | static _GLIBCXX_CONSTEXPR int |
4d4cf144 | 1023 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 BK |
1024 | |
1025 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
1026 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
1027 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
1028 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
1029 | ||
1030 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
1031 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
1032 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
33ac58d5 | 1033 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
94a86be0 BK |
1034 | = denorm_absent; |
1035 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
1036 | ||
33ac58d5 | 1037 | static _GLIBCXX_CONSTEXPR int |
4d4cf144 | 1038 | infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast<int>(0); } |
94a86be0 | 1039 | |
33ac58d5 | 1040 | static _GLIBCXX_CONSTEXPR int |
4d4cf144 | 1041 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<int>(0); } |
94a86be0 | 1042 | |
33ac58d5 | 1043 | static _GLIBCXX_CONSTEXPR int |
4d4cf144 | 1044 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<int>(0); } |
94a86be0 | 1045 | |
33ac58d5 | 1046 | static _GLIBCXX_CONSTEXPR int |
4d4cf144 | 1047 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return static_cast<int>(0); } |
94a86be0 BK |
1048 | |
1049 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
1050 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
1c830087 | 1051 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
94a86be0 BK |
1052 | |
1053 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
1054 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
33ac58d5 | 1055 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
94a86be0 | 1056 | = round_toward_zero; |
54c1bf78 BK |
1057 | }; |
1058 | ||
0aa06b18 | 1059 | /// numeric_limits<unsigned int> specialization. |
54c1bf78 BK |
1060 | template<> |
1061 | struct numeric_limits<unsigned int> | |
1062 | { | |
94a86be0 BK |
1063 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
1064 | ||
33ac58d5 | 1065 | static _GLIBCXX_CONSTEXPR unsigned int |
4d4cf144 | 1066 | min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 | 1067 | |
33ac58d5 | 1068 | static _GLIBCXX_CONSTEXPR unsigned int |
4d4cf144 | 1069 | max() _GLIBCXX_USE_NOEXCEPT { return __INT_MAX__ * 2U + 1; } |
54c1bf78 | 1070 | |
734f5023 | 1071 | #if __cplusplus >= 201103L |
33ac58d5 | 1072 | static constexpr unsigned int |
4d4cf144 | 1073 | lowest() noexcept { return min(); } |
018afad3 | 1074 | #endif |
54c1bf78 | 1075 | |
33ac58d5 | 1076 | static _GLIBCXX_USE_CONSTEXPR int digits |
94a86be0 | 1077 | = __glibcxx_digits (unsigned int); |
33ac58d5 | 1078 | static _GLIBCXX_USE_CONSTEXPR int digits10 |
94a86be0 | 1079 | = __glibcxx_digits10 (unsigned int); |
734f5023 | 1080 | #if __cplusplus >= 201103L |
94a86be0 | 1081 | static constexpr int max_digits10 = 0; |
018afad3 | 1082 | #endif |
94a86be0 BK |
1083 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
1084 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
1085 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
1086 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
1087 | ||
33ac58d5 | 1088 | static _GLIBCXX_CONSTEXPR unsigned int |
4d4cf144 | 1089 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 | 1090 | |
33ac58d5 | 1091 | static _GLIBCXX_CONSTEXPR unsigned int |
4d4cf144 | 1092 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 BK |
1093 | |
1094 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
1095 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
1096 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
1097 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
1098 | ||
1099 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
1100 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
1101 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
33ac58d5 | 1102 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
94a86be0 BK |
1103 | = denorm_absent; |
1104 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
1105 | ||
33ac58d5 | 1106 | static _GLIBCXX_CONSTEXPR unsigned int |
4d4cf144 | 1107 | infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast<unsigned int>(0); } |
94a86be0 | 1108 | |
33ac58d5 | 1109 | static _GLIBCXX_CONSTEXPR unsigned int |
4d4cf144 PC |
1110 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
1111 | { return static_cast<unsigned int>(0); } | |
94a86be0 | 1112 | |
33ac58d5 | 1113 | static _GLIBCXX_CONSTEXPR unsigned int |
4d4cf144 PC |
1114 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
1115 | { return static_cast<unsigned int>(0); } | |
94a86be0 | 1116 | |
33ac58d5 | 1117 | static _GLIBCXX_CONSTEXPR unsigned int |
4d4cf144 PC |
1118 | denorm_min() _GLIBCXX_USE_NOEXCEPT |
1119 | { return static_cast<unsigned int>(0); } | |
94a86be0 BK |
1120 | |
1121 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
1122 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
1123 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; | |
1124 | ||
1125 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
1126 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
33ac58d5 | 1127 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
94a86be0 | 1128 | = round_toward_zero; |
54c1bf78 BK |
1129 | }; |
1130 | ||
0aa06b18 | 1131 | /// numeric_limits<long> specialization. |
54c1bf78 BK |
1132 | template<> |
1133 | struct numeric_limits<long> | |
1134 | { | |
94a86be0 BK |
1135 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
1136 | ||
1137 | static _GLIBCXX_CONSTEXPR long | |
4d4cf144 | 1138 | min() _GLIBCXX_USE_NOEXCEPT { return -__LONG_MAX__ - 1; } |
94a86be0 | 1139 | |
33ac58d5 | 1140 | static _GLIBCXX_CONSTEXPR long |
4d4cf144 | 1141 | max() _GLIBCXX_USE_NOEXCEPT { return __LONG_MAX__; } |
54c1bf78 | 1142 | |
734f5023 | 1143 | #if __cplusplus >= 201103L |
33ac58d5 | 1144 | static constexpr long |
4d4cf144 | 1145 | lowest() noexcept { return min(); } |
018afad3 | 1146 | #endif |
54c1bf78 | 1147 | |
94a86be0 BK |
1148 | static _GLIBCXX_USE_CONSTEXPR int digits = __glibcxx_digits (long); |
1149 | static _GLIBCXX_USE_CONSTEXPR int digits10 = __glibcxx_digits10 (long); | |
734f5023 | 1150 | #if __cplusplus >= 201103L |
94a86be0 | 1151 | static constexpr int max_digits10 = 0; |
018afad3 | 1152 | #endif |
94a86be0 BK |
1153 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
1154 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
1155 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
1156 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
1157 | ||
33ac58d5 | 1158 | static _GLIBCXX_CONSTEXPR long |
4d4cf144 | 1159 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 | 1160 | |
33ac58d5 | 1161 | static _GLIBCXX_CONSTEXPR long |
4d4cf144 | 1162 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 BK |
1163 | |
1164 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
1165 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
1166 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
1167 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
1168 | ||
1169 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
1170 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
1171 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
33ac58d5 | 1172 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
94a86be0 BK |
1173 | = denorm_absent; |
1174 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
1175 | ||
33ac58d5 | 1176 | static _GLIBCXX_CONSTEXPR long |
4d4cf144 | 1177 | infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast<long>(0); } |
94a86be0 | 1178 | |
33ac58d5 | 1179 | static _GLIBCXX_CONSTEXPR long |
4d4cf144 | 1180 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<long>(0); } |
94a86be0 | 1181 | |
33ac58d5 | 1182 | static _GLIBCXX_CONSTEXPR long |
4d4cf144 | 1183 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<long>(0); } |
94a86be0 | 1184 | |
33ac58d5 | 1185 | static _GLIBCXX_CONSTEXPR long |
4d4cf144 | 1186 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return static_cast<long>(0); } |
94a86be0 BK |
1187 | |
1188 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
1189 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
1c830087 | 1190 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
94a86be0 BK |
1191 | |
1192 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
1193 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
33ac58d5 | 1194 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
94a86be0 | 1195 | = round_toward_zero; |
54c1bf78 BK |
1196 | }; |
1197 | ||
0aa06b18 | 1198 | /// numeric_limits<unsigned long> specialization. |
54c1bf78 BK |
1199 | template<> |
1200 | struct numeric_limits<unsigned long> | |
1201 | { | |
94a86be0 BK |
1202 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
1203 | ||
33ac58d5 | 1204 | static _GLIBCXX_CONSTEXPR unsigned long |
4d4cf144 | 1205 | min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 | 1206 | |
33ac58d5 | 1207 | static _GLIBCXX_CONSTEXPR unsigned long |
4d4cf144 | 1208 | max() _GLIBCXX_USE_NOEXCEPT { return __LONG_MAX__ * 2UL + 1; } |
54c1bf78 | 1209 | |
734f5023 | 1210 | #if __cplusplus >= 201103L |
33ac58d5 | 1211 | static constexpr unsigned long |
4d4cf144 | 1212 | lowest() noexcept { return min(); } |
018afad3 | 1213 | #endif |
54c1bf78 | 1214 | |
33ac58d5 | 1215 | static _GLIBCXX_USE_CONSTEXPR int digits |
94a86be0 | 1216 | = __glibcxx_digits (unsigned long); |
33ac58d5 | 1217 | static _GLIBCXX_USE_CONSTEXPR int digits10 |
94a86be0 | 1218 | = __glibcxx_digits10 (unsigned long); |
734f5023 | 1219 | #if __cplusplus >= 201103L |
94a86be0 | 1220 | static constexpr int max_digits10 = 0; |
018afad3 | 1221 | #endif |
94a86be0 BK |
1222 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
1223 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
1224 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
1225 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
1226 | ||
33ac58d5 | 1227 | static _GLIBCXX_CONSTEXPR unsigned long |
4d4cf144 | 1228 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 | 1229 | |
33ac58d5 | 1230 | static _GLIBCXX_CONSTEXPR unsigned long |
4d4cf144 | 1231 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 BK |
1232 | |
1233 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
1234 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
1235 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
1236 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
1237 | ||
1238 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
1239 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
1240 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
33ac58d5 | 1241 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
94a86be0 BK |
1242 | = denorm_absent; |
1243 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
1244 | ||
33ac58d5 | 1245 | static _GLIBCXX_CONSTEXPR unsigned long |
4d4cf144 PC |
1246 | infinity() _GLIBCXX_USE_NOEXCEPT |
1247 | { return static_cast<unsigned long>(0); } | |
94a86be0 | 1248 | |
33ac58d5 | 1249 | static _GLIBCXX_CONSTEXPR unsigned long |
4d4cf144 PC |
1250 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
1251 | { return static_cast<unsigned long>(0); } | |
94a86be0 | 1252 | |
33ac58d5 | 1253 | static _GLIBCXX_CONSTEXPR unsigned long |
4d4cf144 PC |
1254 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
1255 | { return static_cast<unsigned long>(0); } | |
94a86be0 | 1256 | |
33ac58d5 | 1257 | static _GLIBCXX_CONSTEXPR unsigned long |
4d4cf144 PC |
1258 | denorm_min() _GLIBCXX_USE_NOEXCEPT |
1259 | { return static_cast<unsigned long>(0); } | |
94a86be0 BK |
1260 | |
1261 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
1262 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
1263 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; | |
1264 | ||
1265 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
1266 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
33ac58d5 | 1267 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
94a86be0 | 1268 | = round_toward_zero; |
54c1bf78 BK |
1269 | }; |
1270 | ||
0aa06b18 | 1271 | /// numeric_limits<long long> specialization. |
54c1bf78 BK |
1272 | template<> |
1273 | struct numeric_limits<long long> | |
1274 | { | |
94a86be0 BK |
1275 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
1276 | ||
33ac58d5 | 1277 | static _GLIBCXX_CONSTEXPR long long |
4d4cf144 | 1278 | min() _GLIBCXX_USE_NOEXCEPT { return -__LONG_LONG_MAX__ - 1; } |
94a86be0 | 1279 | |
33ac58d5 | 1280 | static _GLIBCXX_CONSTEXPR long long |
4d4cf144 | 1281 | max() _GLIBCXX_USE_NOEXCEPT { return __LONG_LONG_MAX__; } |
6ad8f949 | 1282 | |
734f5023 | 1283 | #if __cplusplus >= 201103L |
33ac58d5 | 1284 | static constexpr long long |
4d4cf144 | 1285 | lowest() noexcept { return min(); } |
018afad3 | 1286 | #endif |
6ad8f949 | 1287 | |
33ac58d5 | 1288 | static _GLIBCXX_USE_CONSTEXPR int digits |
94a86be0 | 1289 | = __glibcxx_digits (long long); |
33ac58d5 | 1290 | static _GLIBCXX_USE_CONSTEXPR int digits10 |
94a86be0 | 1291 | = __glibcxx_digits10 (long long); |
734f5023 | 1292 | #if __cplusplus >= 201103L |
94a86be0 | 1293 | static constexpr int max_digits10 = 0; |
018afad3 | 1294 | #endif |
94a86be0 BK |
1295 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
1296 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
1297 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
1298 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
1299 | ||
33ac58d5 | 1300 | static _GLIBCXX_CONSTEXPR long long |
4d4cf144 | 1301 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 | 1302 | |
33ac58d5 | 1303 | static _GLIBCXX_CONSTEXPR long long |
4d4cf144 | 1304 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 BK |
1305 | |
1306 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
1307 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
1308 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
1309 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
1310 | ||
1311 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
1312 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
1313 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
33ac58d5 | 1314 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
94a86be0 BK |
1315 | = denorm_absent; |
1316 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
1317 | ||
33ac58d5 | 1318 | static _GLIBCXX_CONSTEXPR long long |
4d4cf144 | 1319 | infinity() _GLIBCXX_USE_NOEXCEPT { return static_cast<long long>(0); } |
94a86be0 | 1320 | |
33ac58d5 | 1321 | static _GLIBCXX_CONSTEXPR long long |
4d4cf144 | 1322 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return static_cast<long long>(0); } |
94a86be0 | 1323 | |
33ac58d5 | 1324 | static _GLIBCXX_CONSTEXPR long long |
4d4cf144 PC |
1325 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
1326 | { return static_cast<long long>(0); } | |
94a86be0 | 1327 | |
33ac58d5 | 1328 | static _GLIBCXX_CONSTEXPR long long |
4d4cf144 | 1329 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return static_cast<long long>(0); } |
94a86be0 BK |
1330 | |
1331 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
1332 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
1c830087 | 1333 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; |
94a86be0 BK |
1334 | |
1335 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
1336 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
33ac58d5 | 1337 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
94a86be0 | 1338 | = round_toward_zero; |
54c1bf78 BK |
1339 | }; |
1340 | ||
0aa06b18 | 1341 | /// numeric_limits<unsigned long long> specialization. |
54c1bf78 BK |
1342 | template<> |
1343 | struct numeric_limits<unsigned long long> | |
1344 | { | |
94a86be0 BK |
1345 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
1346 | ||
33ac58d5 | 1347 | static _GLIBCXX_CONSTEXPR unsigned long long |
4d4cf144 | 1348 | min() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 | 1349 | |
33ac58d5 | 1350 | static _GLIBCXX_CONSTEXPR unsigned long long |
4d4cf144 | 1351 | max() _GLIBCXX_USE_NOEXCEPT { return __LONG_LONG_MAX__ * 2ULL + 1; } |
54c1bf78 | 1352 | |
734f5023 | 1353 | #if __cplusplus >= 201103L |
33ac58d5 | 1354 | static constexpr unsigned long long |
4d4cf144 | 1355 | lowest() noexcept { return min(); } |
018afad3 | 1356 | #endif |
54c1bf78 | 1357 | |
33ac58d5 | 1358 | static _GLIBCXX_USE_CONSTEXPR int digits |
94a86be0 | 1359 | = __glibcxx_digits (unsigned long long); |
33ac58d5 | 1360 | static _GLIBCXX_USE_CONSTEXPR int digits10 |
94a86be0 | 1361 | = __glibcxx_digits10 (unsigned long long); |
734f5023 | 1362 | #if __cplusplus >= 201103L |
94a86be0 | 1363 | static constexpr int max_digits10 = 0; |
018afad3 | 1364 | #endif |
94a86be0 BK |
1365 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; |
1366 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; | |
1367 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; | |
1368 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; | |
1369 | ||
33ac58d5 | 1370 | static _GLIBCXX_CONSTEXPR unsigned long long |
4d4cf144 | 1371 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 | 1372 | |
33ac58d5 | 1373 | static _GLIBCXX_CONSTEXPR unsigned long long |
4d4cf144 | 1374 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } |
94a86be0 BK |
1375 | |
1376 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; | |
1377 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; | |
1378 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; | |
1379 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; | |
1380 | ||
1381 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; | |
1382 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; | |
1383 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; | |
33ac58d5 | 1384 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm |
94a86be0 BK |
1385 | = denorm_absent; |
1386 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; | |
1387 | ||
33ac58d5 | 1388 | static _GLIBCXX_CONSTEXPR unsigned long long |
4d4cf144 PC |
1389 | infinity() _GLIBCXX_USE_NOEXCEPT |
1390 | { return static_cast<unsigned long long>(0); } | |
94a86be0 | 1391 | |
33ac58d5 | 1392 | static _GLIBCXX_CONSTEXPR unsigned long long |
4d4cf144 PC |
1393 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT |
1394 | { return static_cast<unsigned long long>(0); } | |
94a86be0 | 1395 | |
33ac58d5 | 1396 | static _GLIBCXX_CONSTEXPR unsigned long long |
4d4cf144 PC |
1397 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT |
1398 | { return static_cast<unsigned long long>(0); } | |
94a86be0 | 1399 | |
33ac58d5 | 1400 | static _GLIBCXX_CONSTEXPR unsigned long long |
4d4cf144 PC |
1401 | denorm_min() _GLIBCXX_USE_NOEXCEPT |
1402 | { return static_cast<unsigned long long>(0); } | |
94a86be0 BK |
1403 | |
1404 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; | |
1405 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
1406 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; | |
1407 | ||
1408 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; | |
1409 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; | |
33ac58d5 | 1410 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
94a86be0 | 1411 | = round_toward_zero; |
54c1bf78 BK |
1412 | }; |
1413 | ||
78a7c317 DD |
1414 | #if !defined(__STRICT_ANSI__) |
1415 | ||
1416 | #define __INT_N(TYPE, BITSIZE, EXT, UEXT) \ | |
1417 | template<> \ | |
1418 | struct numeric_limits<TYPE> \ | |
1419 | { \ | |
1420 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; \ | |
1421 | \ | |
1422 | static _GLIBCXX_CONSTEXPR TYPE \ | |
1423 | min() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_min_b (TYPE, BITSIZE); } \ | |
1424 | \ | |
1425 | static _GLIBCXX_CONSTEXPR TYPE \ | |
cd9b223a | 1426 | max() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_max_b (TYPE, BITSIZE); } \ |
78a7c317 DD |
1427 | \ |
1428 | static _GLIBCXX_USE_CONSTEXPR int digits \ | |
1429 | = BITSIZE - 1; \ | |
1430 | static _GLIBCXX_USE_CONSTEXPR int digits10 \ | |
1431 | = (BITSIZE - 1) * 643L / 2136; \ | |
1432 | \ | |
1433 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; \ | |
1434 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; \ | |
1435 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; \ | |
1436 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; \ | |
1437 | \ | |
1438 | static _GLIBCXX_CONSTEXPR TYPE \ | |
1439 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } \ | |
1440 | \ | |
1441 | static _GLIBCXX_CONSTEXPR TYPE \ | |
1442 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } \ | |
1443 | \ | |
1444 | EXT \ | |
1445 | \ | |
1446 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; \ | |
1447 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; \ | |
1448 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; \ | |
1449 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; \ | |
1450 | \ | |
1451 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; \ | |
1452 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; \ | |
1453 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; \ | |
1454 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm \ | |
1455 | = denorm_absent; \ | |
1456 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; \ | |
1457 | \ | |
1458 | static _GLIBCXX_CONSTEXPR TYPE \ | |
1459 | infinity() _GLIBCXX_USE_NOEXCEPT \ | |
1460 | { return static_cast<TYPE>(0); } \ | |
1461 | \ | |
1462 | static _GLIBCXX_CONSTEXPR TYPE \ | |
1463 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT \ | |
1464 | { return static_cast<TYPE>(0); } \ | |
1465 | \ | |
1466 | static _GLIBCXX_CONSTEXPR TYPE \ | |
1467 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT \ | |
1468 | { return static_cast<TYPE>(0); } \ | |
1469 | \ | |
1470 | static _GLIBCXX_CONSTEXPR TYPE \ | |
1471 | denorm_min() _GLIBCXX_USE_NOEXCEPT \ | |
1472 | { return static_cast<TYPE>(0); } \ | |
1473 | \ | |
1474 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; \ | |
1475 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; \ | |
1476 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; \ | |
1477 | \ | |
1478 | static _GLIBCXX_USE_CONSTEXPR bool traps \ | |
1479 | = __glibcxx_integral_traps; \ | |
1480 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; \ | |
1481 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style \ | |
1482 | = round_toward_zero; \ | |
1483 | }; \ | |
1484 | \ | |
1485 | template<> \ | |
1486 | struct numeric_limits<unsigned TYPE> \ | |
1487 | { \ | |
1488 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; \ | |
1489 | \ | |
1490 | static _GLIBCXX_CONSTEXPR unsigned TYPE \ | |
1491 | min() _GLIBCXX_USE_NOEXCEPT { return 0; } \ | |
1492 | \ | |
1493 | static _GLIBCXX_CONSTEXPR unsigned TYPE \ | |
fa9ac912 MG |
1494 | max() _GLIBCXX_USE_NOEXCEPT \ |
1495 | { return __glibcxx_max_b (unsigned TYPE, BITSIZE); } \ | |
78a7c317 DD |
1496 | \ |
1497 | UEXT \ | |
1498 | \ | |
1499 | static _GLIBCXX_USE_CONSTEXPR int digits \ | |
1500 | = BITSIZE; \ | |
1501 | static _GLIBCXX_USE_CONSTEXPR int digits10 \ | |
1502 | = BITSIZE * 643L / 2136; \ | |
1503 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; \ | |
1504 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; \ | |
1505 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; \ | |
1506 | static _GLIBCXX_USE_CONSTEXPR int radix = 2; \ | |
1507 | \ | |
1508 | static _GLIBCXX_CONSTEXPR unsigned TYPE \ | |
1509 | epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } \ | |
1510 | \ | |
1511 | static _GLIBCXX_CONSTEXPR unsigned TYPE \ | |
1512 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } \ | |
1513 | \ | |
1514 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; \ | |
1515 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; \ | |
1516 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; \ | |
1517 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; \ | |
1518 | \ | |
1519 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; \ | |
1520 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; \ | |
1521 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; \ | |
1522 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm \ | |
1523 | = denorm_absent; \ | |
1524 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; \ | |
1525 | \ | |
1526 | static _GLIBCXX_CONSTEXPR unsigned TYPE \ | |
1527 | infinity() _GLIBCXX_USE_NOEXCEPT \ | |
1528 | { return static_cast<unsigned TYPE>(0); } \ | |
1529 | \ | |
1530 | static _GLIBCXX_CONSTEXPR unsigned TYPE \ | |
1531 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT \ | |
1532 | { return static_cast<unsigned TYPE>(0); } \ | |
1533 | \ | |
1534 | static _GLIBCXX_CONSTEXPR unsigned TYPE \ | |
1535 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT \ | |
1536 | { return static_cast<unsigned TYPE>(0); } \ | |
1537 | \ | |
1538 | static _GLIBCXX_CONSTEXPR unsigned TYPE \ | |
1539 | denorm_min() _GLIBCXX_USE_NOEXCEPT \ | |
1540 | { return static_cast<unsigned TYPE>(0); } \ | |
1541 | \ | |
1542 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; \ | |
1543 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; \ | |
1544 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; \ | |
1545 | \ | |
1546 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; \ | |
1547 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; \ | |
1548 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style \ | |
1549 | = round_toward_zero; \ | |
1550 | }; | |
12bfa8bd | 1551 | |
734f5023 | 1552 | #if __cplusplus >= 201103L |
12bfa8bd | 1553 | |
78a7c317 DD |
1554 | #define __INT_N_201103(TYPE) \ |
1555 | static constexpr TYPE \ | |
1556 | lowest() noexcept { return min(); } \ | |
12bfa8bd | 1557 | static constexpr int max_digits10 = 0; |
12bfa8bd | 1558 | |
78a7c317 DD |
1559 | #define __INT_N_U201103(TYPE) \ |
1560 | static constexpr unsigned TYPE \ | |
1561 | lowest() noexcept { return min(); } \ | |
1562 | static constexpr int max_digits10 = 0; | |
12bfa8bd | 1563 | |
78a7c317 DD |
1564 | #else |
1565 | #define __INT_N_201103(TYPE) | |
1566 | #define __INT_N_U201103(TYPE) | |
12bfa8bd PC |
1567 | #endif |
1568 | ||
78a7c317 DD |
1569 | #ifdef __GLIBCXX_TYPE_INT_N_0 |
1570 | __INT_N(__GLIBCXX_TYPE_INT_N_0, __GLIBCXX_BITSIZE_INT_N_0, | |
1571 | __INT_N_201103 (__GLIBCXX_TYPE_INT_N_0), __INT_N_U201103 (__GLIBCXX_TYPE_INT_N_0)) | |
1572 | #endif | |
1573 | #ifdef __GLIBCXX_TYPE_INT_N_1 | |
1574 | __INT_N (__GLIBCXX_TYPE_INT_N_1, __GLIBCXX_BITSIZE_INT_N_1, | |
1575 | __INT_N_201103 (__GLIBCXX_TYPE_INT_N_1), __INT_N_U201103 (__GLIBCXX_TYPE_INT_N_1)) | |
1576 | #endif | |
1577 | #ifdef __GLIBCXX_TYPE_INT_N_2 | |
1578 | __INT_N (__GLIBCXX_TYPE_INT_N_2, __GLIBCXX_BITSIZE_INT_N_2, | |
1579 | __INT_N_201103 (__GLIBCXX_TYPE_INT_N_2), __INT_N_U201103 (__GLIBCXX_TYPE_INT_N_2)) | |
1580 | #endif | |
1581 | #ifdef __GLIBCXX_TYPE_INT_N_3 | |
1582 | __INT_N (__GLIBCXX_TYPE_INT_N_3, __GLIBCXX_BITSIZE_INT_N_3, | |
1583 | __INT_N_201103 (__GLIBCXX_TYPE_INT_N_3), __INT_N_U201103 (__GLIBCXX_TYPE_INT_N_3)) | |
12bfa8bd | 1584 | #endif |
12bfa8bd | 1585 | |
78a7c317 DD |
1586 | #undef __INT_N |
1587 | #undef __INT_N_201103 | |
1588 | #undef __INT_N_U201103 | |
12bfa8bd | 1589 | |
12bfa8bd PC |
1590 | #endif |
1591 | ||
0aa06b18 | 1592 | /// numeric_limits<float> specialization. |
54c1bf78 BK |
1593 | template<> |
1594 | struct numeric_limits<float> | |
1595 | { | |
94a86be0 BK |
1596 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
1597 | ||
33ac58d5 | 1598 | static _GLIBCXX_CONSTEXPR float |
4d4cf144 | 1599 | min() _GLIBCXX_USE_NOEXCEPT { return __FLT_MIN__; } |
94a86be0 | 1600 | |
33ac58d5 | 1601 | static _GLIBCXX_CONSTEXPR float |
4d4cf144 | 1602 | max() _GLIBCXX_USE_NOEXCEPT { return __FLT_MAX__; } |
54c1bf78 | 1603 | |
734f5023 | 1604 | #if __cplusplus >= 201103L |
33ac58d5 | 1605 | static constexpr float |
4d4cf144 | 1606 | lowest() noexcept { return -__FLT_MAX__; } |
018afad3 | 1607 | #endif |
54c1bf78 | 1608 | |
94a86be0 BK |
1609 | static _GLIBCXX_USE_CONSTEXPR int digits = __FLT_MANT_DIG__; |
1610 | static _GLIBCXX_USE_CONSTEXPR int digits10 = __FLT_DIG__; | |
734f5023 | 1611 | #if __cplusplus >= 201103L |
94a86be0 | 1612 | static constexpr int max_digits10 |
018afad3 ESR |
1613 | = __glibcxx_max_digits10 (__FLT_MANT_DIG__); |
1614 | #endif | |
94a86be0 BK |
1615 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
1616 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; | |
1617 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; | |
1618 | static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__; | |
1619 | ||
33ac58d5 | 1620 | static _GLIBCXX_CONSTEXPR float |
4d4cf144 | 1621 | epsilon() _GLIBCXX_USE_NOEXCEPT { return __FLT_EPSILON__; } |
94a86be0 | 1622 | |
33ac58d5 | 1623 | static _GLIBCXX_CONSTEXPR float |
4d4cf144 | 1624 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0.5F; } |
94a86be0 BK |
1625 | |
1626 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = __FLT_MIN_EXP__; | |
1627 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = __FLT_MIN_10_EXP__; | |
1628 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = __FLT_MAX_EXP__; | |
1629 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = __FLT_MAX_10_EXP__; | |
1630 | ||
1631 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = __FLT_HAS_INFINITY__; | |
1632 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = __FLT_HAS_QUIET_NAN__; | |
1633 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN; | |
1634 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
264c41ed | 1635 | = bool(__FLT_HAS_DENORM__) ? denorm_present : denorm_absent; |
33ac58d5 | 1636 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss |
94a86be0 BK |
1637 | = __glibcxx_float_has_denorm_loss; |
1638 | ||
33ac58d5 | 1639 | static _GLIBCXX_CONSTEXPR float |
4d4cf144 | 1640 | infinity() _GLIBCXX_USE_NOEXCEPT { return __builtin_huge_valf(); } |
54c1bf78 | 1641 | |
33ac58d5 | 1642 | static _GLIBCXX_CONSTEXPR float |
4d4cf144 | 1643 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nanf(""); } |
94a86be0 | 1644 | |
33ac58d5 | 1645 | static _GLIBCXX_CONSTEXPR float |
4d4cf144 | 1646 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nansf(""); } |
94a86be0 | 1647 | |
33ac58d5 | 1648 | static _GLIBCXX_CONSTEXPR float |
4d4cf144 | 1649 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return __FLT_DENORM_MIN__; } |
94a86be0 BK |
1650 | |
1651 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 | |
1652 | = has_infinity && has_quiet_NaN && has_denorm == denorm_present; | |
1653 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
1654 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; | |
1655 | ||
1656 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_float_traps; | |
33ac58d5 | 1657 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before |
94a86be0 | 1658 | = __glibcxx_float_tinyness_before; |
33ac58d5 | 1659 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
94a86be0 | 1660 | = round_to_nearest; |
54c1bf78 BK |
1661 | }; |
1662 | ||
2778669a PE |
1663 | #undef __glibcxx_float_has_denorm_loss |
1664 | #undef __glibcxx_float_traps | |
1665 | #undef __glibcxx_float_tinyness_before | |
54c1bf78 | 1666 | |
0aa06b18 | 1667 | /// numeric_limits<double> specialization. |
54c1bf78 BK |
1668 | template<> |
1669 | struct numeric_limits<double> | |
1670 | { | |
94a86be0 BK |
1671 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
1672 | ||
33ac58d5 | 1673 | static _GLIBCXX_CONSTEXPR double |
4d4cf144 | 1674 | min() _GLIBCXX_USE_NOEXCEPT { return __DBL_MIN__; } |
94a86be0 | 1675 | |
33ac58d5 | 1676 | static _GLIBCXX_CONSTEXPR double |
4d4cf144 | 1677 | max() _GLIBCXX_USE_NOEXCEPT { return __DBL_MAX__; } |
54c1bf78 | 1678 | |
734f5023 | 1679 | #if __cplusplus >= 201103L |
33ac58d5 | 1680 | static constexpr double |
4d4cf144 | 1681 | lowest() noexcept { return -__DBL_MAX__; } |
018afad3 | 1682 | #endif |
54c1bf78 | 1683 | |
94a86be0 BK |
1684 | static _GLIBCXX_USE_CONSTEXPR int digits = __DBL_MANT_DIG__; |
1685 | static _GLIBCXX_USE_CONSTEXPR int digits10 = __DBL_DIG__; | |
734f5023 | 1686 | #if __cplusplus >= 201103L |
94a86be0 | 1687 | static constexpr int max_digits10 |
018afad3 ESR |
1688 | = __glibcxx_max_digits10 (__DBL_MANT_DIG__); |
1689 | #endif | |
94a86be0 BK |
1690 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
1691 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; | |
1692 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; | |
1693 | static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__; | |
1694 | ||
33ac58d5 | 1695 | static _GLIBCXX_CONSTEXPR double |
4d4cf144 | 1696 | epsilon() _GLIBCXX_USE_NOEXCEPT { return __DBL_EPSILON__; } |
94a86be0 | 1697 | |
33ac58d5 | 1698 | static _GLIBCXX_CONSTEXPR double |
4d4cf144 | 1699 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0.5; } |
94a86be0 BK |
1700 | |
1701 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = __DBL_MIN_EXP__; | |
1702 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = __DBL_MIN_10_EXP__; | |
1703 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = __DBL_MAX_EXP__; | |
1704 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = __DBL_MAX_10_EXP__; | |
1705 | ||
1706 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = __DBL_HAS_INFINITY__; | |
1707 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = __DBL_HAS_QUIET_NAN__; | |
1708 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN; | |
1709 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
264c41ed | 1710 | = bool(__DBL_HAS_DENORM__) ? denorm_present : denorm_absent; |
33ac58d5 | 1711 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss |
94a86be0 BK |
1712 | = __glibcxx_double_has_denorm_loss; |
1713 | ||
33ac58d5 | 1714 | static _GLIBCXX_CONSTEXPR double |
4d4cf144 | 1715 | infinity() _GLIBCXX_USE_NOEXCEPT { return __builtin_huge_val(); } |
94a86be0 | 1716 | |
33ac58d5 | 1717 | static _GLIBCXX_CONSTEXPR double |
4d4cf144 | 1718 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nan(""); } |
54c1bf78 | 1719 | |
33ac58d5 | 1720 | static _GLIBCXX_CONSTEXPR double |
4d4cf144 | 1721 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nans(""); } |
94a86be0 | 1722 | |
33ac58d5 | 1723 | static _GLIBCXX_CONSTEXPR double |
4d4cf144 | 1724 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return __DBL_DENORM_MIN__; } |
94a86be0 BK |
1725 | |
1726 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 | |
1727 | = has_infinity && has_quiet_NaN && has_denorm == denorm_present; | |
1728 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
1729 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; | |
1730 | ||
1731 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_double_traps; | |
33ac58d5 | 1732 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before |
94a86be0 | 1733 | = __glibcxx_double_tinyness_before; |
33ac58d5 | 1734 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style |
94a86be0 | 1735 | = round_to_nearest; |
54c1bf78 BK |
1736 | }; |
1737 | ||
2778669a PE |
1738 | #undef __glibcxx_double_has_denorm_loss |
1739 | #undef __glibcxx_double_traps | |
1740 | #undef __glibcxx_double_tinyness_before | |
6ad8f949 | 1741 | |
0aa06b18 | 1742 | /// numeric_limits<long double> specialization. |
54c1bf78 BK |
1743 | template<> |
1744 | struct numeric_limits<long double> | |
1745 | { | |
94a86be0 BK |
1746 | static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; |
1747 | ||
33ac58d5 | 1748 | static _GLIBCXX_CONSTEXPR long double |
4d4cf144 | 1749 | min() _GLIBCXX_USE_NOEXCEPT { return __LDBL_MIN__; } |
94a86be0 | 1750 | |
33ac58d5 | 1751 | static _GLIBCXX_CONSTEXPR long double |
4d4cf144 | 1752 | max() _GLIBCXX_USE_NOEXCEPT { return __LDBL_MAX__; } |
54c1bf78 | 1753 | |
734f5023 | 1754 | #if __cplusplus >= 201103L |
33ac58d5 | 1755 | static constexpr long double |
4d4cf144 | 1756 | lowest() noexcept { return -__LDBL_MAX__; } |
018afad3 | 1757 | #endif |
54c1bf78 | 1758 | |
94a86be0 BK |
1759 | static _GLIBCXX_USE_CONSTEXPR int digits = __LDBL_MANT_DIG__; |
1760 | static _GLIBCXX_USE_CONSTEXPR int digits10 = __LDBL_DIG__; | |
734f5023 | 1761 | #if __cplusplus >= 201103L |
94a86be0 | 1762 | static _GLIBCXX_USE_CONSTEXPR int max_digits10 |
018afad3 ESR |
1763 | = __glibcxx_max_digits10 (__LDBL_MANT_DIG__); |
1764 | #endif | |
94a86be0 BK |
1765 | static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; |
1766 | static _GLIBCXX_USE_CONSTEXPR bool is_integer = false; | |
1767 | static _GLIBCXX_USE_CONSTEXPR bool is_exact = false; | |
1768 | static _GLIBCXX_USE_CONSTEXPR int radix = __FLT_RADIX__; | |
1769 | ||
33ac58d5 | 1770 | static _GLIBCXX_CONSTEXPR long double |
4d4cf144 | 1771 | epsilon() _GLIBCXX_USE_NOEXCEPT { return __LDBL_EPSILON__; } |
94a86be0 | 1772 | |
33ac58d5 | 1773 | static _GLIBCXX_CONSTEXPR long double |
4d4cf144 | 1774 | round_error() _GLIBCXX_USE_NOEXCEPT { return 0.5L; } |
94a86be0 BK |
1775 | |
1776 | static _GLIBCXX_USE_CONSTEXPR int min_exponent = __LDBL_MIN_EXP__; | |
1777 | static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = __LDBL_MIN_10_EXP__; | |
1778 | static _GLIBCXX_USE_CONSTEXPR int max_exponent = __LDBL_MAX_EXP__; | |
1779 | static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = __LDBL_MAX_10_EXP__; | |
1780 | ||
1781 | static _GLIBCXX_USE_CONSTEXPR bool has_infinity = __LDBL_HAS_INFINITY__; | |
1782 | static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = __LDBL_HAS_QUIET_NAN__; | |
1783 | static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = has_quiet_NaN; | |
1784 | static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm | |
264c41ed | 1785 | = bool(__LDBL_HAS_DENORM__) ? denorm_present : denorm_absent; |
94a86be0 | 1786 | static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss |
2778669a | 1787 | = __glibcxx_long_double_has_denorm_loss; |
54c1bf78 | 1788 | |
33ac58d5 | 1789 | static _GLIBCXX_CONSTEXPR long double |
4d4cf144 | 1790 | infinity() _GLIBCXX_USE_NOEXCEPT { return __builtin_huge_vall(); } |
54c1bf78 | 1791 | |
33ac58d5 | 1792 | static _GLIBCXX_CONSTEXPR long double |
4d4cf144 | 1793 | quiet_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nanl(""); } |
54c1bf78 | 1794 | |
33ac58d5 | 1795 | static _GLIBCXX_CONSTEXPR long double |
4d4cf144 | 1796 | signaling_NaN() _GLIBCXX_USE_NOEXCEPT { return __builtin_nansl(""); } |
94a86be0 | 1797 | |
33ac58d5 | 1798 | static _GLIBCXX_CONSTEXPR long double |
4d4cf144 | 1799 | denorm_min() _GLIBCXX_USE_NOEXCEPT { return __LDBL_DENORM_MIN__; } |
94a86be0 BK |
1800 | |
1801 | static _GLIBCXX_USE_CONSTEXPR bool is_iec559 | |
1802 | = has_infinity && has_quiet_NaN && has_denorm == denorm_present; | |
1803 | static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; | |
1804 | static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; | |
1805 | ||
1806 | static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_long_double_traps; | |
33ac58d5 | 1807 | static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = |
94a86be0 | 1808 | __glibcxx_long_double_tinyness_before; |
33ac58d5 | 1809 | static _GLIBCXX_USE_CONSTEXPR float_round_style round_style = |
94a86be0 | 1810 | round_to_nearest; |
54c1bf78 BK |
1811 | }; |
1812 | ||
2778669a PE |
1813 | #undef __glibcxx_long_double_has_denorm_loss |
1814 | #undef __glibcxx_long_double_traps | |
1815 | #undef __glibcxx_long_double_tinyness_before | |
be71ea9d | 1816 | |
12ffa228 BK |
1817 | _GLIBCXX_END_NAMESPACE_VERSION |
1818 | } // namespace | |
54c1bf78 | 1819 | |
2778669a PE |
1820 | #undef __glibcxx_signed |
1821 | #undef __glibcxx_min | |
1822 | #undef __glibcxx_max | |
1823 | #undef __glibcxx_digits | |
1824 | #undef __glibcxx_digits10 | |
018afad3 | 1825 | #undef __glibcxx_max_digits10 |
6ad8f949 | 1826 | |
1143680e | 1827 | #endif // _GLIBCXX_NUMERIC_LIMITS |