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Howard Hinnantc51e1022010-05-11 19:42:16 +00001// -*- C++ -*-
2//===---------------------------- limits ----------------------------------===//
3//
Howard Hinnantc566dc32010-05-11 21:36:01 +00004// The LLVM Compiler Infrastructure
Howard Hinnantc51e1022010-05-11 19:42:16 +00005//
Howard Hinnantee11c312010-11-16 22:09:02 +00006// This file is dual licensed under the MIT and the University of Illinois Open
7// Source Licenses. See LICENSE.TXT for details.
Howard Hinnantc51e1022010-05-11 19:42:16 +00008//
9//===----------------------------------------------------------------------===//
10
11#ifndef _LIBCPP_LIMITS
12#define _LIBCPP_LIMITS
13
14/*
15 limits synopsis
16
17namespace std
18{
19
20template<class T>
21class numeric_limits
22{
23public:
Howard Hinnant50ed0b22012-04-02 19:23:15 +000024 static constexpr bool is_specialized = false;
25 static constexpr T min() noexcept;
26 static constexpr T max() noexcept;
27 static constexpr T lowest() noexcept;
Howard Hinnantc51e1022010-05-11 19:42:16 +000028
Howard Hinnant50ed0b22012-04-02 19:23:15 +000029 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;
Howard Hinnantc51e1022010-05-11 19:42:16 +000038
Howard Hinnant50ed0b22012-04-02 19:23:15 +000039 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;
Howard Hinnantc51e1022010-05-11 19:42:16 +000043
Howard Hinnant50ed0b22012-04-02 19:23:15 +000044 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;
Howard Hinnantc51e1022010-05-11 19:42:16 +000053
Howard Hinnant50ed0b22012-04-02 19:23:15 +000054 static constexpr bool is_iec559 = false;
55 static constexpr bool is_bounded = false;
56 static constexpr bool is_modulo = false;
Howard Hinnantc51e1022010-05-11 19:42:16 +000057
Howard Hinnant50ed0b22012-04-02 19:23:15 +000058 static constexpr bool traps = false;
59 static constexpr bool tinyness_before = false;
60 static constexpr float_round_style round_style = round_toward_zero;
Howard Hinnantc51e1022010-05-11 19:42:16 +000061};
62
63enum float_round_style
64{
65 round_indeterminate = -1,
66 round_toward_zero = 0,
67 round_to_nearest = 1,
68 round_toward_infinity = 2,
69 round_toward_neg_infinity = 3
70};
71
72enum float_denorm_style
73{
74 denorm_indeterminate = -1,
75 denorm_absent = 0,
76 denorm_present = 1
77};
78
79template<> class numeric_limits<cv bool>;
80
81template<> class numeric_limits<cv char>;
82template<> class numeric_limits<cv signed char>;
83template<> class numeric_limits<cv unsigned char>;
84template<> class numeric_limits<cv wchar_t>;
Marshall Clowb7944f32018-11-29 23:21:18 +000085template<> class numeric_limits<cv char8_t>; // C++20
Howard Hinnantc51e1022010-05-11 19:42:16 +000086template<> class numeric_limits<cv char16_t>;
87template<> class numeric_limits<cv char32_t>;
88
89template<> class numeric_limits<cv short>;
90template<> class numeric_limits<cv int>;
91template<> class numeric_limits<cv long>;
92template<> class numeric_limits<cv long long>;
93template<> class numeric_limits<cv unsigned short>;
94template<> class numeric_limits<cv unsigned int>;
95template<> class numeric_limits<cv unsigned long>;
96template<> class numeric_limits<cv unsigned long long>;
97
98template<> class numeric_limits<cv float>;
99template<> class numeric_limits<cv double>;
100template<> class numeric_limits<cv long double>;
101
102} // std
103
104*/
Ben Craig092e2632017-04-11 14:06:39 +0000105#include <__config>
Howard Hinnantc51e1022010-05-11 19:42:16 +0000106#include <type_traits>
107
Eric Fiselier4a984f02017-05-10 20:57:45 +0000108#if defined(_LIBCPP_COMPILER_MSVC)
109#include "support/win32/limits_msvc_win32.h"
Howard Hinnant13d8bc12013-08-01 18:17:34 +0000110#endif // _LIBCPP_MSVCRT
Howard Hinnantbf074022011-10-22 20:59:45 +0000111
Howard Hinnantea382952013-08-14 18:00:20 +0000112#if defined(__IBMCPP__)
113#include "support/ibm/limits.h"
114#endif // __IBMCPP__
115
Eric Fiselierf4433a32017-05-31 22:07:49 +0000116#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
117#pragma GCC system_header
118#endif
119
120_LIBCPP_PUSH_MACROS
121#include <__undef_macros>
122
123
Howard Hinnantc51e1022010-05-11 19:42:16 +0000124_LIBCPP_BEGIN_NAMESPACE_STD
125
126enum float_round_style
127{
128 round_indeterminate = -1,
129 round_toward_zero = 0,
130 round_to_nearest = 1,
131 round_toward_infinity = 2,
132 round_toward_neg_infinity = 3
133};
134
135enum float_denorm_style
136{
137 denorm_indeterminate = -1,
138 denorm_absent = 0,
139 denorm_present = 1
140};
141
142template <class _Tp, bool = is_arithmetic<_Tp>::value>
143class __libcpp_numeric_limits
144{
145protected:
146 typedef _Tp type;
147
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000148 static _LIBCPP_CONSTEXPR const bool is_specialized = false;
149 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return type();}
150 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return type();}
151 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return type();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000152
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000153 static _LIBCPP_CONSTEXPR const int digits = 0;
154 static _LIBCPP_CONSTEXPR const int digits10 = 0;
155 static _LIBCPP_CONSTEXPR const int max_digits10 = 0;
156 static _LIBCPP_CONSTEXPR const bool is_signed = false;
157 static _LIBCPP_CONSTEXPR const bool is_integer = false;
158 static _LIBCPP_CONSTEXPR const bool is_exact = false;
159 static _LIBCPP_CONSTEXPR const int radix = 0;
160 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return type();}
161 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return type();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000162
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000163 static _LIBCPP_CONSTEXPR const int min_exponent = 0;
164 static _LIBCPP_CONSTEXPR const int min_exponent10 = 0;
165 static _LIBCPP_CONSTEXPR const int max_exponent = 0;
166 static _LIBCPP_CONSTEXPR const int max_exponent10 = 0;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000167
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000168 static _LIBCPP_CONSTEXPR const bool has_infinity = false;
169 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = false;
170 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = false;
171 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_absent;
172 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false;
173 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return type();}
174 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return type();}
175 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return type();}
176 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return type();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000177
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000178 static _LIBCPP_CONSTEXPR const bool is_iec559 = false;
179 static _LIBCPP_CONSTEXPR const bool is_bounded = false;
180 static _LIBCPP_CONSTEXPR const bool is_modulo = false;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000181
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000182 static _LIBCPP_CONSTEXPR const bool traps = false;
183 static _LIBCPP_CONSTEXPR const bool tinyness_before = false;
184 static _LIBCPP_CONSTEXPR const float_round_style round_style = round_toward_zero;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000185};
186
Eric Fiselierc5ea1ae2017-06-01 02:29:37 +0000187template <class _Tp, int __digits, bool _IsSigned>
Howard Hinnantc51e1022010-05-11 19:42:16 +0000188struct __libcpp_compute_min
189{
Eric Fiselierc5ea1ae2017-06-01 02:29:37 +0000190 static _LIBCPP_CONSTEXPR const _Tp value = _Tp(_Tp(1) << __digits);
Howard Hinnantc51e1022010-05-11 19:42:16 +0000191};
192
Eric Fiselierc5ea1ae2017-06-01 02:29:37 +0000193template <class _Tp, int __digits>
194struct __libcpp_compute_min<_Tp, __digits, false>
Howard Hinnantc51e1022010-05-11 19:42:16 +0000195{
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000196 static _LIBCPP_CONSTEXPR const _Tp value = _Tp(0);
Howard Hinnantc51e1022010-05-11 19:42:16 +0000197};
198
199template <class _Tp>
200class __libcpp_numeric_limits<_Tp, true>
201{
202protected:
203 typedef _Tp type;
204
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000205 static _LIBCPP_CONSTEXPR const bool is_specialized = true;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000206
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000207 static _LIBCPP_CONSTEXPR const bool is_signed = type(-1) < type(0);
208 static _LIBCPP_CONSTEXPR const int digits = static_cast<int>(sizeof(type) * __CHAR_BIT__ - is_signed);
209 static _LIBCPP_CONSTEXPR const int digits10 = digits * 3 / 10;
210 static _LIBCPP_CONSTEXPR const int max_digits10 = 0;
211 static _LIBCPP_CONSTEXPR const type __min = __libcpp_compute_min<type, digits, is_signed>::value;
212 static _LIBCPP_CONSTEXPR const type __max = is_signed ? type(type(~0) ^ __min) : type(~0);
213 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __min;}
214 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __max;}
215 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return min();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000216
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000217 static _LIBCPP_CONSTEXPR const bool is_integer = true;
218 static _LIBCPP_CONSTEXPR const bool is_exact = true;
219 static _LIBCPP_CONSTEXPR const int radix = 2;
220 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return type(0);}
221 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return type(0);}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000222
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000223 static _LIBCPP_CONSTEXPR const int min_exponent = 0;
224 static _LIBCPP_CONSTEXPR const int min_exponent10 = 0;
225 static _LIBCPP_CONSTEXPR const int max_exponent = 0;
226 static _LIBCPP_CONSTEXPR const int max_exponent10 = 0;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000227
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000228 static _LIBCPP_CONSTEXPR const bool has_infinity = false;
229 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = false;
230 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = false;
231 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_absent;
232 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false;
233 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return type(0);}
234 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return type(0);}
235 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return type(0);}
236 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return type(0);}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000237
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000238 static _LIBCPP_CONSTEXPR const bool is_iec559 = false;
239 static _LIBCPP_CONSTEXPR const bool is_bounded = true;
Marshall Clowe7d8cce2014-07-31 01:18:05 +0000240 static _LIBCPP_CONSTEXPR const bool is_modulo = !_VSTD::is_signed<_Tp>::value;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000241
Dan Gohman33325ae2016-01-13 16:32:00 +0000242#if defined(__i386__) || defined(__x86_64__) || defined(__pnacl__) || \
243 defined(__wasm__)
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000244 static _LIBCPP_CONSTEXPR const bool traps = true;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000245#else
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000246 static _LIBCPP_CONSTEXPR const bool traps = false;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000247#endif
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000248 static _LIBCPP_CONSTEXPR const bool tinyness_before = false;
249 static _LIBCPP_CONSTEXPR const float_round_style round_style = round_toward_zero;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000250};
251
252template <>
253class __libcpp_numeric_limits<bool, true>
254{
255protected:
256 typedef bool type;
257
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000258 static _LIBCPP_CONSTEXPR const bool is_specialized = true;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000259
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000260 static _LIBCPP_CONSTEXPR const bool is_signed = false;
261 static _LIBCPP_CONSTEXPR const int digits = 1;
262 static _LIBCPP_CONSTEXPR const int digits10 = 0;
263 static _LIBCPP_CONSTEXPR const int max_digits10 = 0;
264 static _LIBCPP_CONSTEXPR const type __min = false;
265 static _LIBCPP_CONSTEXPR const type __max = true;
266 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __min;}
267 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __max;}
268 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return min();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000269
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000270 static _LIBCPP_CONSTEXPR const bool is_integer = true;
271 static _LIBCPP_CONSTEXPR const bool is_exact = true;
272 static _LIBCPP_CONSTEXPR const int radix = 2;
273 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return type(0);}
274 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return type(0);}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000275
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000276 static _LIBCPP_CONSTEXPR const int min_exponent = 0;
277 static _LIBCPP_CONSTEXPR const int min_exponent10 = 0;
278 static _LIBCPP_CONSTEXPR const int max_exponent = 0;
279 static _LIBCPP_CONSTEXPR const int max_exponent10 = 0;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000280
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000281 static _LIBCPP_CONSTEXPR const bool has_infinity = false;
282 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = false;
283 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = false;
284 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_absent;
285 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false;
286 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return type(0);}
287 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return type(0);}
288 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return type(0);}
289 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return type(0);}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000290
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000291 static _LIBCPP_CONSTEXPR const bool is_iec559 = false;
292 static _LIBCPP_CONSTEXPR const bool is_bounded = true;
293 static _LIBCPP_CONSTEXPR const bool is_modulo = false;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000294
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000295 static _LIBCPP_CONSTEXPR const bool traps = false;
296 static _LIBCPP_CONSTEXPR const bool tinyness_before = false;
297 static _LIBCPP_CONSTEXPR const float_round_style round_style = round_toward_zero;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000298};
299
300template <>
301class __libcpp_numeric_limits<float, true>
302{
303protected:
304 typedef float type;
305
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000306 static _LIBCPP_CONSTEXPR const bool is_specialized = true;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000307
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000308 static _LIBCPP_CONSTEXPR const bool is_signed = true;
309 static _LIBCPP_CONSTEXPR const int digits = __FLT_MANT_DIG__;
310 static _LIBCPP_CONSTEXPR const int digits10 = __FLT_DIG__;
Eric Fiseliere0ba2ba2016-12-08 07:30:01 +0000311 static _LIBCPP_CONSTEXPR const int max_digits10 = 2+(digits * 30103l)/100000l;
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000312 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __FLT_MIN__;}
313 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __FLT_MAX__;}
314 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return -max();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000315
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000316 static _LIBCPP_CONSTEXPR const bool is_integer = false;
317 static _LIBCPP_CONSTEXPR const bool is_exact = false;
318 static _LIBCPP_CONSTEXPR const int radix = __FLT_RADIX__;
319 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __FLT_EPSILON__;}
320 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return 0.5F;}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000321
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000322 static _LIBCPP_CONSTEXPR const int min_exponent = __FLT_MIN_EXP__;
323 static _LIBCPP_CONSTEXPR const int min_exponent10 = __FLT_MIN_10_EXP__;
324 static _LIBCPP_CONSTEXPR const int max_exponent = __FLT_MAX_EXP__;
325 static _LIBCPP_CONSTEXPR const int max_exponent10 = __FLT_MAX_10_EXP__;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000326
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000327 static _LIBCPP_CONSTEXPR const bool has_infinity = true;
328 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = true;
329 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = true;
330 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_present;
331 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false;
332 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __builtin_huge_valf();}
333 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __builtin_nanf("");}
334 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __builtin_nansf("");}
335 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __FLT_DENORM_MIN__;}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000336
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000337 static _LIBCPP_CONSTEXPR const bool is_iec559 = true;
338 static _LIBCPP_CONSTEXPR const bool is_bounded = true;
339 static _LIBCPP_CONSTEXPR const bool is_modulo = false;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000340
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000341 static _LIBCPP_CONSTEXPR const bool traps = false;
342 static _LIBCPP_CONSTEXPR const bool tinyness_before = false;
343 static _LIBCPP_CONSTEXPR const float_round_style round_style = round_to_nearest;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000344};
345
346template <>
347class __libcpp_numeric_limits<double, true>
348{
349protected:
350 typedef double type;
351
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000352 static _LIBCPP_CONSTEXPR const bool is_specialized = true;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000353
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000354 static _LIBCPP_CONSTEXPR const bool is_signed = true;
355 static _LIBCPP_CONSTEXPR const int digits = __DBL_MANT_DIG__;
356 static _LIBCPP_CONSTEXPR const int digits10 = __DBL_DIG__;
Eric Fiseliere0ba2ba2016-12-08 07:30:01 +0000357 static _LIBCPP_CONSTEXPR const int max_digits10 = 2+(digits * 30103l)/100000l;
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000358 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __DBL_MIN__;}
359 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __DBL_MAX__;}
360 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return -max();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000361
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000362 static _LIBCPP_CONSTEXPR const bool is_integer = false;
363 static _LIBCPP_CONSTEXPR const bool is_exact = false;
364 static _LIBCPP_CONSTEXPR const int radix = __FLT_RADIX__;
365 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __DBL_EPSILON__;}
366 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return 0.5;}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000367
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000368 static _LIBCPP_CONSTEXPR const int min_exponent = __DBL_MIN_EXP__;
369 static _LIBCPP_CONSTEXPR const int min_exponent10 = __DBL_MIN_10_EXP__;
370 static _LIBCPP_CONSTEXPR const int max_exponent = __DBL_MAX_EXP__;
371 static _LIBCPP_CONSTEXPR const int max_exponent10 = __DBL_MAX_10_EXP__;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000372
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000373 static _LIBCPP_CONSTEXPR const bool has_infinity = true;
374 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = true;
375 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = true;
376 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_present;
377 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false;
378 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __builtin_huge_val();}
379 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __builtin_nan("");}
380 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __builtin_nans("");}
381 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __DBL_DENORM_MIN__;}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000382
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000383 static _LIBCPP_CONSTEXPR const bool is_iec559 = true;
384 static _LIBCPP_CONSTEXPR const bool is_bounded = true;
385 static _LIBCPP_CONSTEXPR const bool is_modulo = false;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000386
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000387 static _LIBCPP_CONSTEXPR const bool traps = false;
388 static _LIBCPP_CONSTEXPR const bool tinyness_before = false;
389 static _LIBCPP_CONSTEXPR const float_round_style round_style = round_to_nearest;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000390};
391
392template <>
393class __libcpp_numeric_limits<long double, true>
394{
395protected:
396 typedef long double type;
397
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000398 static _LIBCPP_CONSTEXPR const bool is_specialized = true;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000399
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000400 static _LIBCPP_CONSTEXPR const bool is_signed = true;
401 static _LIBCPP_CONSTEXPR const int digits = __LDBL_MANT_DIG__;
402 static _LIBCPP_CONSTEXPR const int digits10 = __LDBL_DIG__;
Eric Fiseliere0ba2ba2016-12-08 07:30:01 +0000403 static _LIBCPP_CONSTEXPR const int max_digits10 = 2+(digits * 30103l)/100000l;
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000404 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __LDBL_MIN__;}
405 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __LDBL_MAX__;}
406 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return -max();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000407
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000408 static _LIBCPP_CONSTEXPR const bool is_integer = false;
409 static _LIBCPP_CONSTEXPR const bool is_exact = false;
410 static _LIBCPP_CONSTEXPR const int radix = __FLT_RADIX__;
411 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __LDBL_EPSILON__;}
412 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return 0.5;}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000413
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000414 static _LIBCPP_CONSTEXPR const int min_exponent = __LDBL_MIN_EXP__;
415 static _LIBCPP_CONSTEXPR const int min_exponent10 = __LDBL_MIN_10_EXP__;
416 static _LIBCPP_CONSTEXPR const int max_exponent = __LDBL_MAX_EXP__;
417 static _LIBCPP_CONSTEXPR const int max_exponent10 = __LDBL_MAX_10_EXP__;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000418
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000419 static _LIBCPP_CONSTEXPR const bool has_infinity = true;
420 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = true;
421 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = true;
422 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_present;
423 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false;
424 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __builtin_huge_vall();}
425 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __builtin_nanl("");}
426 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __builtin_nansl("");}
427 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __LDBL_DENORM_MIN__;}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000428
429#if (defined(__ppc__) || defined(__ppc64__))
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000430 static _LIBCPP_CONSTEXPR const bool is_iec559 = false;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000431#else
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000432 static _LIBCPP_CONSTEXPR const bool is_iec559 = true;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000433#endif
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000434 static _LIBCPP_CONSTEXPR const bool is_bounded = true;
435 static _LIBCPP_CONSTEXPR const bool is_modulo = false;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000436
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000437 static _LIBCPP_CONSTEXPR const bool traps = false;
438 static _LIBCPP_CONSTEXPR const bool tinyness_before = false;
439 static _LIBCPP_CONSTEXPR const float_round_style round_style = round_to_nearest;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000440};
441
442template <class _Tp>
Eric Fiselierb5eb1bf2017-01-04 23:56:00 +0000443class _LIBCPP_TEMPLATE_VIS numeric_limits
Howard Hinnantc51e1022010-05-11 19:42:16 +0000444 : private __libcpp_numeric_limits<typename remove_cv<_Tp>::type>
445{
446 typedef __libcpp_numeric_limits<typename remove_cv<_Tp>::type> __base;
447 typedef typename __base::type type;
448public:
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000449 static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized;
450 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __base::min();}
451 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __base::max();}
452 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return __base::lowest();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000453
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000454 static _LIBCPP_CONSTEXPR const int digits = __base::digits;
455 static _LIBCPP_CONSTEXPR const int digits10 = __base::digits10;
456 static _LIBCPP_CONSTEXPR const int max_digits10 = __base::max_digits10;
457 static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed;
458 static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer;
459 static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact;
460 static _LIBCPP_CONSTEXPR const int radix = __base::radix;
461 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __base::epsilon();}
462 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return __base::round_error();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000463
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000464 static _LIBCPP_CONSTEXPR const int min_exponent = __base::min_exponent;
465 static _LIBCPP_CONSTEXPR const int min_exponent10 = __base::min_exponent10;
466 static _LIBCPP_CONSTEXPR const int max_exponent = __base::max_exponent;
467 static _LIBCPP_CONSTEXPR const int max_exponent10 = __base::max_exponent10;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000468
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000469 static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity;
470 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN;
471 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signaling_NaN;
472 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_denorm;
473 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_loss;
474 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __base::infinity();}
475 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();}
476 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();}
477 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __base::denorm_min();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000478
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000479 static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559;
480 static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded;
481 static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000482
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000483 static _LIBCPP_CONSTEXPR const bool traps = __base::traps;
484 static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_before;
485 static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round_style;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000486};
487
488template <class _Tp>
Howard Hinnant2c45cb42012-12-12 21:14:28 +0000489 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_specialized;
490template <class _Tp>
491 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::digits;
492template <class _Tp>
493 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::digits10;
494template <class _Tp>
495 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::max_digits10;
496template <class _Tp>
497 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_signed;
498template <class _Tp>
499 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_integer;
500template <class _Tp>
501 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_exact;
502template <class _Tp>
503 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::radix;
504template <class _Tp>
505 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::min_exponent;
506template <class _Tp>
507 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::min_exponent10;
508template <class _Tp>
509 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::max_exponent;
510template <class _Tp>
511 _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::max_exponent10;
512template <class _Tp>
513 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_infinity;
514template <class _Tp>
515 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_quiet_NaN;
516template <class _Tp>
517 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_signaling_NaN;
518template <class _Tp>
519 _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<_Tp>::has_denorm;
520template <class _Tp>
521 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_denorm_loss;
522template <class _Tp>
523 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_iec559;
524template <class _Tp>
525 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_bounded;
526template <class _Tp>
527 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_modulo;
528template <class _Tp>
529 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::traps;
530template <class _Tp>
531 _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::tinyness_before;
532template <class _Tp>
533 _LIBCPP_CONSTEXPR const float_round_style numeric_limits<_Tp>::round_style;
534
535template <class _Tp>
Eric Fiselierb5eb1bf2017-01-04 23:56:00 +0000536class _LIBCPP_TEMPLATE_VIS numeric_limits<const _Tp>
Howard Hinnantc51e1022010-05-11 19:42:16 +0000537 : private numeric_limits<_Tp>
538{
539 typedef numeric_limits<_Tp> __base;
540 typedef _Tp type;
541public:
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000542 static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized;
543 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __base::min();}
544 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __base::max();}
545 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return __base::lowest();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000546
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000547 static _LIBCPP_CONSTEXPR const int digits = __base::digits;
548 static _LIBCPP_CONSTEXPR const int digits10 = __base::digits10;
549 static _LIBCPP_CONSTEXPR const int max_digits10 = __base::max_digits10;
550 static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed;
551 static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer;
552 static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact;
553 static _LIBCPP_CONSTEXPR const int radix = __base::radix;
554 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __base::epsilon();}
555 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return __base::round_error();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000556
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000557 static _LIBCPP_CONSTEXPR const int min_exponent = __base::min_exponent;
558 static _LIBCPP_CONSTEXPR const int min_exponent10 = __base::min_exponent10;
559 static _LIBCPP_CONSTEXPR const int max_exponent = __base::max_exponent;
560 static _LIBCPP_CONSTEXPR const int max_exponent10 = __base::max_exponent10;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000561
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000562 static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity;
563 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN;
564 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signaling_NaN;
565 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_denorm;
566 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_loss;
567 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __base::infinity();}
568 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();}
569 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();}
570 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __base::denorm_min();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000571
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000572 static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559;
573 static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded;
574 static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000575
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000576 static _LIBCPP_CONSTEXPR const bool traps = __base::traps;
577 static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_before;
578 static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round_style;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000579};
580
581template <class _Tp>
Howard Hinnant2c45cb42012-12-12 21:14:28 +0000582 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_specialized;
583template <class _Tp>
584 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::digits;
585template <class _Tp>
586 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::digits10;
587template <class _Tp>
588 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::max_digits10;
589template <class _Tp>
590 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_signed;
591template <class _Tp>
592 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_integer;
593template <class _Tp>
594 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_exact;
595template <class _Tp>
596 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::radix;
597template <class _Tp>
598 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::min_exponent;
599template <class _Tp>
600 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::min_exponent10;
601template <class _Tp>
602 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::max_exponent;
603template <class _Tp>
604 _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::max_exponent10;
605template <class _Tp>
606 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_infinity;
607template <class _Tp>
608 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_quiet_NaN;
609template <class _Tp>
610 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_signaling_NaN;
611template <class _Tp>
612 _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<const _Tp>::has_denorm;
613template <class _Tp>
614 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_denorm_loss;
615template <class _Tp>
616 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_iec559;
617template <class _Tp>
618 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_bounded;
619template <class _Tp>
620 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_modulo;
621template <class _Tp>
622 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::traps;
623template <class _Tp>
624 _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::tinyness_before;
625template <class _Tp>
626 _LIBCPP_CONSTEXPR const float_round_style numeric_limits<const _Tp>::round_style;
627
628template <class _Tp>
Eric Fiselierb5eb1bf2017-01-04 23:56:00 +0000629class _LIBCPP_TEMPLATE_VIS numeric_limits<volatile _Tp>
Howard Hinnantc51e1022010-05-11 19:42:16 +0000630 : private numeric_limits<_Tp>
631{
632 typedef numeric_limits<_Tp> __base;
633 typedef _Tp type;
634public:
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000635 static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized;
636 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __base::min();}
637 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __base::max();}
638 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return __base::lowest();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000639
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000640 static _LIBCPP_CONSTEXPR const int digits = __base::digits;
641 static _LIBCPP_CONSTEXPR const int digits10 = __base::digits10;
642 static _LIBCPP_CONSTEXPR const int max_digits10 = __base::max_digits10;
643 static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed;
644 static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer;
645 static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact;
646 static _LIBCPP_CONSTEXPR const int radix = __base::radix;
647 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __base::epsilon();}
648 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return __base::round_error();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000649
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000650 static _LIBCPP_CONSTEXPR const int min_exponent = __base::min_exponent;
651 static _LIBCPP_CONSTEXPR const int min_exponent10 = __base::min_exponent10;
652 static _LIBCPP_CONSTEXPR const int max_exponent = __base::max_exponent;
653 static _LIBCPP_CONSTEXPR const int max_exponent10 = __base::max_exponent10;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000654
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000655 static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity;
656 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN;
657 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signaling_NaN;
658 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_denorm;
659 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_loss;
660 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __base::infinity();}
661 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();}
662 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();}
663 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __base::denorm_min();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000664
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000665 static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559;
666 static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded;
667 static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000668
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000669 static _LIBCPP_CONSTEXPR const bool traps = __base::traps;
670 static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_before;
671 static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round_style;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000672};
673
674template <class _Tp>
Howard Hinnant2c45cb42012-12-12 21:14:28 +0000675 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_specialized;
676template <class _Tp>
677 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::digits;
678template <class _Tp>
679 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::digits10;
680template <class _Tp>
681 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::max_digits10;
682template <class _Tp>
683 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_signed;
684template <class _Tp>
685 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_integer;
686template <class _Tp>
687 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_exact;
688template <class _Tp>
689 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::radix;
690template <class _Tp>
691 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::min_exponent;
692template <class _Tp>
693 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::min_exponent10;
694template <class _Tp>
695 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::max_exponent;
696template <class _Tp>
697 _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::max_exponent10;
698template <class _Tp>
699 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_infinity;
700template <class _Tp>
701 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_quiet_NaN;
702template <class _Tp>
703 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_signaling_NaN;
704template <class _Tp>
705 _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<volatile _Tp>::has_denorm;
706template <class _Tp>
707 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_denorm_loss;
708template <class _Tp>
709 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_iec559;
710template <class _Tp>
711 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_bounded;
712template <class _Tp>
713 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_modulo;
714template <class _Tp>
715 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::traps;
716template <class _Tp>
717 _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::tinyness_before;
718template <class _Tp>
719 _LIBCPP_CONSTEXPR const float_round_style numeric_limits<volatile _Tp>::round_style;
720
721template <class _Tp>
Eric Fiselierb5eb1bf2017-01-04 23:56:00 +0000722class _LIBCPP_TEMPLATE_VIS numeric_limits<const volatile _Tp>
Howard Hinnantc51e1022010-05-11 19:42:16 +0000723 : private numeric_limits<_Tp>
724{
725 typedef numeric_limits<_Tp> __base;
726 typedef _Tp type;
727public:
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000728 static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized;
729 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __base::min();}
730 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __base::max();}
731 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return __base::lowest();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000732
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000733 static _LIBCPP_CONSTEXPR const int digits = __base::digits;
734 static _LIBCPP_CONSTEXPR const int digits10 = __base::digits10;
735 static _LIBCPP_CONSTEXPR const int max_digits10 = __base::max_digits10;
736 static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed;
737 static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer;
738 static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact;
739 static _LIBCPP_CONSTEXPR const int radix = __base::radix;
740 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __base::epsilon();}
741 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return __base::round_error();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000742
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000743 static _LIBCPP_CONSTEXPR const int min_exponent = __base::min_exponent;
744 static _LIBCPP_CONSTEXPR const int min_exponent10 = __base::min_exponent10;
745 static _LIBCPP_CONSTEXPR const int max_exponent = __base::max_exponent;
746 static _LIBCPP_CONSTEXPR const int max_exponent10 = __base::max_exponent10;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000747
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000748 static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity;
749 static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN;
750 static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signaling_NaN;
751 static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_denorm;
752 static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_loss;
753 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __base::infinity();}
754 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();}
755 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();}
756 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __base::denorm_min();}
Howard Hinnantc51e1022010-05-11 19:42:16 +0000757
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000758 static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559;
759 static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded;
760 static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000761
Howard Hinnant50ed0b22012-04-02 19:23:15 +0000762 static _LIBCPP_CONSTEXPR const bool traps = __base::traps;
763 static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_before;
764 static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round_style;
Howard Hinnantc51e1022010-05-11 19:42:16 +0000765};
766
Howard Hinnant2c45cb42012-12-12 21:14:28 +0000767template <class _Tp>
768 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_specialized;
769template <class _Tp>
770 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::digits;
771template <class _Tp>
772 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::digits10;
773template <class _Tp>
Nico Weberf78c8f62014-05-30 12:09:47 +0000774 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::max_digits10;
Howard Hinnant2c45cb42012-12-12 21:14:28 +0000775template <class _Tp>
776 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_signed;
777template <class _Tp>
778 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_integer;
779template <class _Tp>
780 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_exact;
781template <class _Tp>
782 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::radix;
783template <class _Tp>
784 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::min_exponent;
785template <class _Tp>
786 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::min_exponent10;
787template <class _Tp>
788 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::max_exponent;
789template <class _Tp>
790 _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::max_exponent10;
791template <class _Tp>
792 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_infinity;
793template <class _Tp>
794 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_quiet_NaN;
795template <class _Tp>
796 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_signaling_NaN;
797template <class _Tp>
798 _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<const volatile _Tp>::has_denorm;
799template <class _Tp>
800 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_denorm_loss;
801template <class _Tp>
802 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_iec559;
803template <class _Tp>
804 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_bounded;
805template <class _Tp>
806 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_modulo;
807template <class _Tp>
808 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::traps;
809template <class _Tp>
810 _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::tinyness_before;
811template <class _Tp>
812 _LIBCPP_CONSTEXPR const float_round_style numeric_limits<const volatile _Tp>::round_style;
813
Howard Hinnantc51e1022010-05-11 19:42:16 +0000814_LIBCPP_END_NAMESPACE_STD
815
Eric Fiselierf4433a32017-05-31 22:07:49 +0000816_LIBCPP_POP_MACROS
817
Howard Hinnantc51e1022010-05-11 19:42:16 +0000818#endif // _LIBCPP_LIMITS