2 //===---------------------------- limits ----------------------------------===//
4 // The LLVM Compiler Infrastructure
6 // This file is dual licensed under the MIT and the University of Illinois Open
7 // Source Licenses. See LICENSE.TXT for details.
9 //===----------------------------------------------------------------------===//
11 #ifndef _LIBCPP_LIMITS
12 #define _LIBCPP_LIMITS
24 static constexpr bool is_specialized = false;
25 static constexpr T min() noexcept;
26 static constexpr T max() noexcept;
27 static constexpr T lowest() noexcept;
29 static constexpr int digits = 0;
30 static constexpr int digits10 = 0;
31 static constexpr int max_digits10 = 0;
32 static constexpr bool is_signed = false;
33 static constexpr bool is_integer = false;
34 static constexpr bool is_exact = false;
35 static constexpr int radix = 0;
36 static constexpr T epsilon() noexcept;
37 static constexpr T round_error() noexcept;
39 static constexpr int min_exponent = 0;
40 static constexpr int min_exponent10 = 0;
41 static constexpr int max_exponent = 0;
42 static constexpr int max_exponent10 = 0;
44 static constexpr bool has_infinity = false;
45 static constexpr bool has_quiet_NaN = false;
46 static constexpr bool has_signaling_NaN = false;
47 static constexpr float_denorm_style has_denorm = denorm_absent;
48 static constexpr bool has_denorm_loss = false;
49 static constexpr T infinity() noexcept;
50 static constexpr T quiet_NaN() noexcept;
51 static constexpr T signaling_NaN() noexcept;
52 static constexpr T denorm_min() noexcept;
54 static constexpr bool is_iec559 = false;
55 static constexpr bool is_bounded = false;
56 static constexpr bool is_modulo = false;
58 static constexpr bool traps = false;
59 static constexpr bool tinyness_before = false;
60 static constexpr float_round_style round_style = round_toward_zero;
63 enum float_round_style
65 round_indeterminate = -1,
66 round_toward_zero = 0,
68 round_toward_infinity = 2,
69 round_toward_neg_infinity = 3
72 enum float_denorm_style
74 denorm_indeterminate = -1,
79 template<> class numeric_limits<cv bool>;
81 template<> class numeric_limits<cv char>;
82 template<> class numeric_limits<cv signed char>;
83 template<> class numeric_limits<cv unsigned char>;
84 template<> class numeric_limits<cv wchar_t>;
85 template<> class numeric_limits<cv char8_t>; // C++20
86 template<> class numeric_limits<cv char16_t>;
87 template<> class numeric_limits<cv char32_t>;
89 template<> class numeric_limits<cv short>;
90 template<> class numeric_limits<cv int>;
91 template<> class numeric_limits<cv long>;
92 template<> class numeric_limits<cv long long>;
93 template<> class numeric_limits<cv unsigned short>;
94 template<> class numeric_limits<cv unsigned int>;
95 template<> class numeric_limits<cv unsigned long>;
96 template<> class numeric_limits<cv unsigned long long>;
98 template<> class numeric_limits<cv float>;
99 template<> class numeric_limits<cv double>;
100 template<> class numeric_limits<cv long double>;
106 #include <type_traits>
108 #if defined(_LIBCPP_COMPILER_MSVC)
109 #include "support/win32/limits_msvc_win32.h"
110 #endif // _LIBCPP_MSVCRT
112 #if defined(__IBMCPP__)
113 #include "support/ibm/limits.h"
116 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
117 #pragma GCC system_header
121 #include <__undef_macros>
125 _LIBCPP_BEGIN_NAMESPACE_STD
127 enum float_round_style
129 round_indeterminate = -1,
130 round_toward_zero = 0,
131 round_to_nearest = 1,
132 round_toward_infinity = 2,
133 round_toward_neg_infinity = 3
136 enum float_denorm_style
138 denorm_indeterminate = -1,
143 template <class _Tp, bool = is_arithmetic<_Tp>::value>
144 class __libcpp_numeric_limits
149 static _LIBCPP_CONSTEXPR const bool is_specialized = false;
150 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return type();}
151 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return type();}
152 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return type();}
154 static _LIBCPP_CONSTEXPR const int digits = 0;
155 static _LIBCPP_CONSTEXPR const int digits10 = 0;
156 static _LIBCPP_CONSTEXPR const int max_digits10 = 0;
157 static _LIBCPP_CONSTEXPR const bool is_signed = false;
158 static _LIBCPP_CONSTEXPR const bool is_integer = false;
159 static _LIBCPP_CONSTEXPR const bool is_exact = false;
160 static _LIBCPP_CONSTEXPR const int radix = 0;
161 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return type();}
162 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return type();}
164 static _LIBCPP_CONSTEXPR const int min_exponent = 0;
165 static _LIBCPP_CONSTEXPR const int min_exponent10 = 0;
166 static _LIBCPP_CONSTEXPR const int max_exponent = 0;
167 static _LIBCPP_CONSTEXPR const int max_exponent10 = 0;
169 static _LIBCPP_CONSTEXPR const bool has_infinity = false;
170 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = false;
171 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = false;
172 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_absent;
173 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false;
174 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return type();}
175 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return type();}
176 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return type();}
177 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return type();}
179 static _LIBCPP_CONSTEXPR const bool is_iec559 = false;
180 static _LIBCPP_CONSTEXPR const bool is_bounded = false;
181 static _LIBCPP_CONSTEXPR const bool is_modulo = false;
183 static _LIBCPP_CONSTEXPR const bool traps = false;
184 static _LIBCPP_CONSTEXPR const bool tinyness_before = false;
185 static _LIBCPP_CONSTEXPR const float_round_style round_style = round_toward_zero;
188 template <class _Tp, int __digits, bool _IsSigned>
189 struct __libcpp_compute_min
191 static _LIBCPP_CONSTEXPR const _Tp value = _Tp(_Tp(1) << __digits);
194 template <class _Tp, int __digits>
195 struct __libcpp_compute_min<_Tp, __digits, false>
197 static _LIBCPP_CONSTEXPR const _Tp value = _Tp(0);
201 class __libcpp_numeric_limits<_Tp, true>
206 static _LIBCPP_CONSTEXPR const bool is_specialized = true;
208 static _LIBCPP_CONSTEXPR const bool is_signed = type(-1) < type(0);
209 static _LIBCPP_CONSTEXPR const int digits = static_cast<int>(sizeof(type) * __CHAR_BIT__ - is_signed);
210 static _LIBCPP_CONSTEXPR const int digits10 = digits * 3 / 10;
211 static _LIBCPP_CONSTEXPR const int max_digits10 = 0;
212 static _LIBCPP_CONSTEXPR const type __min = __libcpp_compute_min<type, digits, is_signed>::value;
213 static _LIBCPP_CONSTEXPR const type __max = is_signed ? type(type(~0) ^ __min) : type(~0);
214 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __min;}
215 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __max;}
216 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return min();}
218 static _LIBCPP_CONSTEXPR const bool is_integer = true;
219 static _LIBCPP_CONSTEXPR const bool is_exact = true;
220 static _LIBCPP_CONSTEXPR const int radix = 2;
221 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return type(0);}
222 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return type(0);}
224 static _LIBCPP_CONSTEXPR const int min_exponent = 0;
225 static _LIBCPP_CONSTEXPR const int min_exponent10 = 0;
226 static _LIBCPP_CONSTEXPR const int max_exponent = 0;
227 static _LIBCPP_CONSTEXPR const int max_exponent10 = 0;
229 static _LIBCPP_CONSTEXPR const bool has_infinity = false;
230 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = false;
231 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = false;
232 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_absent;
233 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false;
234 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return type(0);}
235 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return type(0);}
236 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return type(0);}
237 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return type(0);}
239 static _LIBCPP_CONSTEXPR const bool is_iec559 = false;
240 static _LIBCPP_CONSTEXPR const bool is_bounded = true;
241 static _LIBCPP_CONSTEXPR const bool is_modulo = !_VSTD::is_signed<_Tp>::value;
243 #if defined(__i386__) || defined(__x86_64__) || defined(__pnacl__) || \
245 static _LIBCPP_CONSTEXPR const bool traps = true;
247 static _LIBCPP_CONSTEXPR const bool traps = false;
249 static _LIBCPP_CONSTEXPR const bool tinyness_before = false;
250 static _LIBCPP_CONSTEXPR const float_round_style round_style = round_toward_zero;
254 class __libcpp_numeric_limits<bool, true>
259 static _LIBCPP_CONSTEXPR const bool is_specialized = true;
261 static _LIBCPP_CONSTEXPR const bool is_signed = false;
262 static _LIBCPP_CONSTEXPR const int digits = 1;
263 static _LIBCPP_CONSTEXPR const int digits10 = 0;
264 static _LIBCPP_CONSTEXPR const int max_digits10 = 0;
265 static _LIBCPP_CONSTEXPR const type __min = false;
266 static _LIBCPP_CONSTEXPR const type __max = true;
267 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __min;}
268 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __max;}
269 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return min();}
271 static _LIBCPP_CONSTEXPR const bool is_integer = true;
272 static _LIBCPP_CONSTEXPR const bool is_exact = true;
273 static _LIBCPP_CONSTEXPR const int radix = 2;
274 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return type(0);}
275 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return type(0);}
277 static _LIBCPP_CONSTEXPR const int min_exponent = 0;
278 static _LIBCPP_CONSTEXPR const int min_exponent10 = 0;
279 static _LIBCPP_CONSTEXPR const int max_exponent = 0;
280 static _LIBCPP_CONSTEXPR const int max_exponent10 = 0;
282 static _LIBCPP_CONSTEXPR const bool has_infinity = false;
283 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = false;
284 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = false;
285 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_absent;
286 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false;
287 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return type(0);}
288 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return type(0);}
289 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return type(0);}
290 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return type(0);}
292 static _LIBCPP_CONSTEXPR const bool is_iec559 = false;
293 static _LIBCPP_CONSTEXPR const bool is_bounded = true;
294 static _LIBCPP_CONSTEXPR const bool is_modulo = false;
296 static _LIBCPP_CONSTEXPR const bool traps = false;
297 static _LIBCPP_CONSTEXPR const bool tinyness_before = false;
298 static _LIBCPP_CONSTEXPR const float_round_style round_style = round_toward_zero;
302 class __libcpp_numeric_limits<float, true>
307 static _LIBCPP_CONSTEXPR const bool is_specialized = true;
309 static _LIBCPP_CONSTEXPR const bool is_signed = true;
310 static _LIBCPP_CONSTEXPR const int digits = __FLT_MANT_DIG__;
311 static _LIBCPP_CONSTEXPR const int digits10 = __FLT_DIG__;
312 static _LIBCPP_CONSTEXPR const int max_digits10 = 2+(digits * 30103l)/100000l;
313 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __FLT_MIN__;}
314 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __FLT_MAX__;}
315 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return -max();}
317 static _LIBCPP_CONSTEXPR const bool is_integer = false;
318 static _LIBCPP_CONSTEXPR const bool is_exact = false;
319 static _LIBCPP_CONSTEXPR const int radix = __FLT_RADIX__;
320 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __FLT_EPSILON__;}
321 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return 0.5F;}
323 static _LIBCPP_CONSTEXPR const int min_exponent = __FLT_MIN_EXP__;
324 static _LIBCPP_CONSTEXPR const int min_exponent10 = __FLT_MIN_10_EXP__;
325 static _LIBCPP_CONSTEXPR const int max_exponent = __FLT_MAX_EXP__;
326 static _LIBCPP_CONSTEXPR const int max_exponent10 = __FLT_MAX_10_EXP__;
328 static _LIBCPP_CONSTEXPR const bool has_infinity = true;
329 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = true;
330 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = true;
331 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_present;
332 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false;
333 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __builtin_huge_valf();}
334 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __builtin_nanf("");}
335 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __builtin_nansf("");}
336 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __FLT_DENORM_MIN__;}
338 static _LIBCPP_CONSTEXPR const bool is_iec559 = true;
339 static _LIBCPP_CONSTEXPR const bool is_bounded = true;
340 static _LIBCPP_CONSTEXPR const bool is_modulo = false;
342 static _LIBCPP_CONSTEXPR const bool traps = false;
343 static _LIBCPP_CONSTEXPR const bool tinyness_before = false;
344 static _LIBCPP_CONSTEXPR const float_round_style round_style = round_to_nearest;
348 class __libcpp_numeric_limits<double, true>
353 static _LIBCPP_CONSTEXPR const bool is_specialized = true;
355 static _LIBCPP_CONSTEXPR const bool is_signed = true;
356 static _LIBCPP_CONSTEXPR const int digits = __DBL_MANT_DIG__;
357 static _LIBCPP_CONSTEXPR const int digits10 = __DBL_DIG__;
358 static _LIBCPP_CONSTEXPR const int max_digits10 = 2+(digits * 30103l)/100000l;
359 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __DBL_MIN__;}
360 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __DBL_MAX__;}
361 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return -max();}
363 static _LIBCPP_CONSTEXPR const bool is_integer = false;
364 static _LIBCPP_CONSTEXPR const bool is_exact = false;
365 static _LIBCPP_CONSTEXPR const int radix = __FLT_RADIX__;
366 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __DBL_EPSILON__;}
367 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return 0.5;}
369 static _LIBCPP_CONSTEXPR const int min_exponent = __DBL_MIN_EXP__;
370 static _LIBCPP_CONSTEXPR const int min_exponent10 = __DBL_MIN_10_EXP__;
371 static _LIBCPP_CONSTEXPR const int max_exponent = __DBL_MAX_EXP__;
372 static _LIBCPP_CONSTEXPR const int max_exponent10 = __DBL_MAX_10_EXP__;
374 static _LIBCPP_CONSTEXPR const bool has_infinity = true;
375 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = true;
376 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = true;
377 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_present;
378 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false;
379 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __builtin_huge_val();}
380 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __builtin_nan("");}
381 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __builtin_nans("");}
382 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __DBL_DENORM_MIN__;}
384 static _LIBCPP_CONSTEXPR const bool is_iec559 = true;
385 static _LIBCPP_CONSTEXPR const bool is_bounded = true;
386 static _LIBCPP_CONSTEXPR const bool is_modulo = false;
388 static _LIBCPP_CONSTEXPR const bool traps = false;
389 static _LIBCPP_CONSTEXPR const bool tinyness_before = false;
390 static _LIBCPP_CONSTEXPR const float_round_style round_style = round_to_nearest;
394 class __libcpp_numeric_limits<long double, true>
397 typedef long double type;
399 static _LIBCPP_CONSTEXPR const bool is_specialized = true;
401 static _LIBCPP_CONSTEXPR const bool is_signed = true;
402 static _LIBCPP_CONSTEXPR const int digits = __LDBL_MANT_DIG__;
403 static _LIBCPP_CONSTEXPR const int digits10 = __LDBL_DIG__;
404 static _LIBCPP_CONSTEXPR const int max_digits10 = 2+(digits * 30103l)/100000l;
405 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __LDBL_MIN__;}
406 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __LDBL_MAX__;}
407 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return -max();}
409 static _LIBCPP_CONSTEXPR const bool is_integer = false;
410 static _LIBCPP_CONSTEXPR const bool is_exact = false;
411 static _LIBCPP_CONSTEXPR const int radix = __FLT_RADIX__;
412 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __LDBL_EPSILON__;}
413 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return 0.5;}
415 static _LIBCPP_CONSTEXPR const int min_exponent = __LDBL_MIN_EXP__;
416 static _LIBCPP_CONSTEXPR const int min_exponent10 = __LDBL_MIN_10_EXP__;
417 static _LIBCPP_CONSTEXPR const int max_exponent = __LDBL_MAX_EXP__;
418 static _LIBCPP_CONSTEXPR const int max_exponent10 = __LDBL_MAX_10_EXP__;
420 static _LIBCPP_CONSTEXPR const bool has_infinity = true;
421 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = true;
422 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = true;
423 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_present;
424 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false;
425 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __builtin_huge_vall();}
426 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __builtin_nanl("");}
427 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __builtin_nansl("");}
428 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __LDBL_DENORM_MIN__;}
430 #if (defined(__ppc__) || defined(__ppc64__))
431 static _LIBCPP_CONSTEXPR const bool is_iec559 = false;
433 static _LIBCPP_CONSTEXPR const bool is_iec559 = true;
435 static _LIBCPP_CONSTEXPR const bool is_bounded = true;
436 static _LIBCPP_CONSTEXPR const bool is_modulo = false;
438 static _LIBCPP_CONSTEXPR const bool traps = false;
439 static _LIBCPP_CONSTEXPR const bool tinyness_before = false;
440 static _LIBCPP_CONSTEXPR const float_round_style round_style = round_to_nearest;
444 class _LIBCPP_TEMPLATE_VIS numeric_limits
445 : private __libcpp_numeric_limits<typename remove_cv<_Tp>::type>
447 typedef __libcpp_numeric_limits<typename remove_cv<_Tp>::type> __base;
448 typedef typename __base::type type;
450 static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized;
451 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __base::min();}
452 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __base::max();}
453 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return __base::lowest();}
455 static _LIBCPP_CONSTEXPR const int digits = __base::digits;
456 static _LIBCPP_CONSTEXPR const int digits10 = __base::digits10;
457 static _LIBCPP_CONSTEXPR const int max_digits10 = __base::max_digits10;
458 static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed;
459 static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer;
460 static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact;
461 static _LIBCPP_CONSTEXPR const int radix = __base::radix;
462 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __base::epsilon();}
463 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return __base::round_error();}
465 static _LIBCPP_CONSTEXPR const int min_exponent = __base::min_exponent;
466 static _LIBCPP_CONSTEXPR const int min_exponent10 = __base::min_exponent10;
467 static _LIBCPP_CONSTEXPR const int max_exponent = __base::max_exponent;
468 static _LIBCPP_CONSTEXPR const int max_exponent10 = __base::max_exponent10;
470 static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity;
471 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN;
472 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signaling_NaN;
473 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_denorm;
474 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_loss;
475 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __base::infinity();}
476 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();}
477 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();}
478 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __base::denorm_min();}
480 static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559;
481 static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded;
482 static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo;
484 static _LIBCPP_CONSTEXPR const bool traps = __base::traps;
485 static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_before;
486 static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round_style;
490 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_specialized;
492 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::digits;
494 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::digits10;
496 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::max_digits10;
498 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_signed;
500 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_integer;
502 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_exact;
504 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::radix;
506 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::min_exponent;
508 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::min_exponent10;
510 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::max_exponent;
512 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::max_exponent10;
514 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_infinity;
516 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_quiet_NaN;
518 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_signaling_NaN;
520 _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<_Tp>::has_denorm;
522 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_denorm_loss;
524 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_iec559;
526 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_bounded;
528 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_modulo;
530 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::traps;
532 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::tinyness_before;
534 _LIBCPP_CONSTEXPR const float_round_style numeric_limits<_Tp>::round_style;
537 class _LIBCPP_TEMPLATE_VIS numeric_limits<const _Tp>
538 : private numeric_limits<_Tp>
540 typedef numeric_limits<_Tp> __base;
543 static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized;
544 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __base::min();}
545 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __base::max();}
546 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return __base::lowest();}
548 static _LIBCPP_CONSTEXPR const int digits = __base::digits;
549 static _LIBCPP_CONSTEXPR const int digits10 = __base::digits10;
550 static _LIBCPP_CONSTEXPR const int max_digits10 = __base::max_digits10;
551 static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed;
552 static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer;
553 static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact;
554 static _LIBCPP_CONSTEXPR const int radix = __base::radix;
555 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __base::epsilon();}
556 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return __base::round_error();}
558 static _LIBCPP_CONSTEXPR const int min_exponent = __base::min_exponent;
559 static _LIBCPP_CONSTEXPR const int min_exponent10 = __base::min_exponent10;
560 static _LIBCPP_CONSTEXPR const int max_exponent = __base::max_exponent;
561 static _LIBCPP_CONSTEXPR const int max_exponent10 = __base::max_exponent10;
563 static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity;
564 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN;
565 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signaling_NaN;
566 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_denorm;
567 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_loss;
568 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __base::infinity();}
569 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();}
570 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();}
571 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __base::denorm_min();}
573 static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559;
574 static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded;
575 static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo;
577 static _LIBCPP_CONSTEXPR const bool traps = __base::traps;
578 static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_before;
579 static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round_style;
583 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_specialized;
585 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::digits;
587 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::digits10;
589 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::max_digits10;
591 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_signed;
593 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_integer;
595 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_exact;
597 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::radix;
599 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::min_exponent;
601 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::min_exponent10;
603 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::max_exponent;
605 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::max_exponent10;
607 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_infinity;
609 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_quiet_NaN;
611 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_signaling_NaN;
613 _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<const _Tp>::has_denorm;
615 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_denorm_loss;
617 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_iec559;
619 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_bounded;
621 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_modulo;
623 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::traps;
625 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::tinyness_before;
627 _LIBCPP_CONSTEXPR const float_round_style numeric_limits<const _Tp>::round_style;
630 class _LIBCPP_TEMPLATE_VIS numeric_limits<volatile _Tp>
631 : private numeric_limits<_Tp>
633 typedef numeric_limits<_Tp> __base;
636 static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized;
637 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __base::min();}
638 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __base::max();}
639 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return __base::lowest();}
641 static _LIBCPP_CONSTEXPR const int digits = __base::digits;
642 static _LIBCPP_CONSTEXPR const int digits10 = __base::digits10;
643 static _LIBCPP_CONSTEXPR const int max_digits10 = __base::max_digits10;
644 static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed;
645 static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer;
646 static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact;
647 static _LIBCPP_CONSTEXPR const int radix = __base::radix;
648 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __base::epsilon();}
649 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return __base::round_error();}
651 static _LIBCPP_CONSTEXPR const int min_exponent = __base::min_exponent;
652 static _LIBCPP_CONSTEXPR const int min_exponent10 = __base::min_exponent10;
653 static _LIBCPP_CONSTEXPR const int max_exponent = __base::max_exponent;
654 static _LIBCPP_CONSTEXPR const int max_exponent10 = __base::max_exponent10;
656 static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity;
657 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN;
658 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signaling_NaN;
659 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_denorm;
660 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_loss;
661 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __base::infinity();}
662 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();}
663 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();}
664 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __base::denorm_min();}
666 static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559;
667 static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded;
668 static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo;
670 static _LIBCPP_CONSTEXPR const bool traps = __base::traps;
671 static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_before;
672 static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round_style;
676 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_specialized;
678 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::digits;
680 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::digits10;
682 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::max_digits10;
684 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_signed;
686 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_integer;
688 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_exact;
690 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::radix;
692 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::min_exponent;
694 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::min_exponent10;
696 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::max_exponent;
698 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::max_exponent10;
700 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_infinity;
702 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_quiet_NaN;
704 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_signaling_NaN;
706 _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<volatile _Tp>::has_denorm;
708 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_denorm_loss;
710 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_iec559;
712 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_bounded;
714 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_modulo;
716 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::traps;
718 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::tinyness_before;
720 _LIBCPP_CONSTEXPR const float_round_style numeric_limits<volatile _Tp>::round_style;
723 class _LIBCPP_TEMPLATE_VIS numeric_limits<const volatile _Tp>
724 : private numeric_limits<_Tp>
726 typedef numeric_limits<_Tp> __base;
729 static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized;
730 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __base::min();}
731 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __base::max();}
732 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return __base::lowest();}
734 static _LIBCPP_CONSTEXPR const int digits = __base::digits;
735 static _LIBCPP_CONSTEXPR const int digits10 = __base::digits10;
736 static _LIBCPP_CONSTEXPR const int max_digits10 = __base::max_digits10;
737 static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed;
738 static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer;
739 static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact;
740 static _LIBCPP_CONSTEXPR const int radix = __base::radix;
741 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __base::epsilon();}
742 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return __base::round_error();}
744 static _LIBCPP_CONSTEXPR const int min_exponent = __base::min_exponent;
745 static _LIBCPP_CONSTEXPR const int min_exponent10 = __base::min_exponent10;
746 static _LIBCPP_CONSTEXPR const int max_exponent = __base::max_exponent;
747 static _LIBCPP_CONSTEXPR const int max_exponent10 = __base::max_exponent10;
749 static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity;
750 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN;
751 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signaling_NaN;
752 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_denorm;
753 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_loss;
754 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __base::infinity();}
755 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();}
756 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();}
757 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __base::denorm_min();}
759 static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559;
760 static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded;
761 static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo;
763 static _LIBCPP_CONSTEXPR const bool traps = __base::traps;
764 static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_before;
765 static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round_style;
769 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_specialized;
771 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::digits;
773 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::digits10;
775 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::max_digits10;
777 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_signed;
779 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_integer;
781 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_exact;
783 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::radix;
785 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::min_exponent;
787 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::min_exponent10;
789 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::max_exponent;
791 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::max_exponent10;
793 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_infinity;
795 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_quiet_NaN;
797 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_signaling_NaN;
799 _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<const volatile _Tp>::has_denorm;
801 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_denorm_loss;
803 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_iec559;
805 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_bounded;
807 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_modulo;
809 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::traps;
811 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::tinyness_before;
813 _LIBCPP_CONSTEXPR const float_round_style numeric_limits<const volatile _Tp>::round_style;
815 _LIBCPP_END_NAMESPACE_STD
819 #endif // _LIBCPP_LIMITS