aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/cxxsupp/libcxx/include/limits
blob: 5d3a6272deccd04d811790d892e2a60dcc1260f4 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
// -*- C++ -*- 
//===---------------------------- limits ----------------------------------===// 
// 
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// 
//===----------------------------------------------------------------------===// 
 
#ifndef _LIBCPP_LIMITS 
#define _LIBCPP_LIMITS 
 
/* 
    limits synopsis 
 
namespace std 
{ 
 
template<class T> 
class numeric_limits 
{ 
public: 
    static constexpr bool is_specialized = false; 
    static constexpr T min() noexcept; 
    static constexpr T max() noexcept; 
    static constexpr T lowest() noexcept; 
 
    static constexpr int  digits = 0; 
    static constexpr int  digits10 = 0; 
    static constexpr int  max_digits10 = 0; 
    static constexpr bool is_signed = false; 
    static constexpr bool is_integer = false; 
    static constexpr bool is_exact = false; 
    static constexpr int  radix = 0; 
    static constexpr T epsilon() noexcept; 
    static constexpr T round_error() noexcept; 
 
    static constexpr int  min_exponent = 0; 
    static constexpr int  min_exponent10 = 0; 
    static constexpr int  max_exponent = 0; 
    static constexpr int  max_exponent10 = 0; 
 
    static constexpr bool has_infinity = false; 
    static constexpr bool has_quiet_NaN = false; 
    static constexpr bool has_signaling_NaN = false; 
    static constexpr float_denorm_style has_denorm = denorm_absent; 
    static constexpr bool has_denorm_loss = false; 
    static constexpr T infinity() noexcept; 
    static constexpr T quiet_NaN() noexcept; 
    static constexpr T signaling_NaN() noexcept; 
    static constexpr T denorm_min() noexcept; 
 
    static constexpr bool is_iec559 = false; 
    static constexpr bool is_bounded = false; 
    static constexpr bool is_modulo = false; 
 
    static constexpr bool traps = false; 
    static constexpr bool tinyness_before = false; 
    static constexpr float_round_style round_style = round_toward_zero; 
}; 
 
enum float_round_style 
{ 
    round_indeterminate       = -1, 
    round_toward_zero         =  0, 
    round_to_nearest          =  1, 
    round_toward_infinity     =  2, 
    round_toward_neg_infinity =  3 
}; 
 
enum float_denorm_style 
{ 
    denorm_indeterminate = -1, 
    denorm_absent = 0, 
    denorm_present = 1 
}; 
 
template<> class numeric_limits<cv bool>; 
 
template<> class numeric_limits<cv char>; 
template<> class numeric_limits<cv signed char>; 
template<> class numeric_limits<cv unsigned char>; 
template<> class numeric_limits<cv wchar_t>; 
template<> class numeric_limits<cv char8_t>; // C++20
template<> class numeric_limits<cv char16_t>; 
template<> class numeric_limits<cv char32_t>; 
 
template<> class numeric_limits<cv short>; 
template<> class numeric_limits<cv int>; 
template<> class numeric_limits<cv long>; 
template<> class numeric_limits<cv long long>; 
template<> class numeric_limits<cv unsigned short>; 
template<> class numeric_limits<cv unsigned int>; 
template<> class numeric_limits<cv unsigned long>; 
template<> class numeric_limits<cv unsigned long long>; 
 
template<> class numeric_limits<cv float>; 
template<> class numeric_limits<cv double>; 
template<> class numeric_limits<cv long double>; 
 
}  // std 
 
*/ 
#include <__config> 
#include <type_traits> 
 
#if defined(_LIBCPP_COMPILER_MSVC) 
#include "__support/win32/limits_msvc_win32.h" 
#endif // _LIBCPP_MSVCRT 
 
#if defined(__IBMCPP__) 
#include "__support/ibm/limits.h" 
#endif // __IBMCPP__ 
 
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
#pragma GCC system_header 
#endif 
 
_LIBCPP_PUSH_MACROS 
#include <__undef_macros> 
#include <version>
 
 
_LIBCPP_BEGIN_NAMESPACE_STD 
 
enum float_round_style 
{ 
    round_indeterminate       = -1, 
    round_toward_zero         =  0, 
    round_to_nearest          =  1, 
    round_toward_infinity     =  2, 
    round_toward_neg_infinity =  3 
}; 
 
enum float_denorm_style 
{ 
    denorm_indeterminate = -1, 
    denorm_absent = 0, 
    denorm_present = 1 
}; 
 
template <class _Tp, bool = is_arithmetic<_Tp>::value> 
class __libcpp_numeric_limits 
{ 
protected: 
    typedef _Tp type; 
 
    static _LIBCPP_CONSTEXPR const  bool is_specialized = false; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return type();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return type();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return type();} 
 
    static _LIBCPP_CONSTEXPR const int  digits = 0; 
    static _LIBCPP_CONSTEXPR const int  digits10 = 0; 
    static _LIBCPP_CONSTEXPR const int  max_digits10 = 0; 
    static _LIBCPP_CONSTEXPR const bool is_signed = false; 
    static _LIBCPP_CONSTEXPR const bool is_integer = false; 
    static _LIBCPP_CONSTEXPR const bool is_exact = false; 
    static _LIBCPP_CONSTEXPR const int  radix = 0; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return type();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return type();} 
 
    static _LIBCPP_CONSTEXPR const int  min_exponent = 0; 
    static _LIBCPP_CONSTEXPR const int  min_exponent10 = 0; 
    static _LIBCPP_CONSTEXPR const int  max_exponent = 0; 
    static _LIBCPP_CONSTEXPR const int  max_exponent10 = 0; 
 
    static _LIBCPP_CONSTEXPR const bool has_infinity = false; 
    static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = false; 
    static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = false; 
    static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_absent; 
    static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return type();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return type();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return type();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return type();} 
 
    static _LIBCPP_CONSTEXPR const bool is_iec559 = false; 
    static _LIBCPP_CONSTEXPR const bool is_bounded = false; 
    static _LIBCPP_CONSTEXPR const bool is_modulo = false; 
 
    static _LIBCPP_CONSTEXPR const bool traps = false; 
    static _LIBCPP_CONSTEXPR const bool tinyness_before = false; 
    static _LIBCPP_CONSTEXPR const float_round_style round_style = round_toward_zero; 
}; 
 
template <class _Tp, int __digits, bool _IsSigned> 
struct __libcpp_compute_min 
{ 
    static _LIBCPP_CONSTEXPR const _Tp value = _Tp(_Tp(1) << __digits); 
}; 
 
template <class _Tp, int __digits> 
struct __libcpp_compute_min<_Tp, __digits, false> 
{ 
    static _LIBCPP_CONSTEXPR const _Tp value = _Tp(0); 
}; 
 
template <class _Tp> 
class __libcpp_numeric_limits<_Tp, true> 
{ 
protected: 
    typedef _Tp type; 
 
    static _LIBCPP_CONSTEXPR const bool is_specialized = true; 
 
    static _LIBCPP_CONSTEXPR const bool is_signed = type(-1) < type(0); 
    static _LIBCPP_CONSTEXPR const int  digits = static_cast<int>(sizeof(type) * __CHAR_BIT__ - is_signed); 
    static _LIBCPP_CONSTEXPR const int  digits10 = digits * 3 / 10; 
    static _LIBCPP_CONSTEXPR const int  max_digits10 = 0; 
    static _LIBCPP_CONSTEXPR const type __min = __libcpp_compute_min<type, digits, is_signed>::value; 
    static _LIBCPP_CONSTEXPR const type __max = is_signed ? type(type(~0) ^ __min) : type(~0); 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __min;} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __max;} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return min();} 
 
    static _LIBCPP_CONSTEXPR const bool is_integer = true; 
    static _LIBCPP_CONSTEXPR const bool is_exact = true; 
    static _LIBCPP_CONSTEXPR const int  radix = 2; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return type(0);} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return type(0);} 
 
    static _LIBCPP_CONSTEXPR const int  min_exponent = 0; 
    static _LIBCPP_CONSTEXPR const int  min_exponent10 = 0; 
    static _LIBCPP_CONSTEXPR const int  max_exponent = 0; 
    static _LIBCPP_CONSTEXPR const int  max_exponent10 = 0; 
 
    static _LIBCPP_CONSTEXPR const bool has_infinity = false; 
    static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = false; 
    static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = false; 
    static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_absent; 
    static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return type(0);} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return type(0);} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return type(0);} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return type(0);} 
 
    static _LIBCPP_CONSTEXPR const bool is_iec559 = false; 
    static _LIBCPP_CONSTEXPR const bool is_bounded = true; 
    static _LIBCPP_CONSTEXPR const bool is_modulo = !_VSTD::is_signed<_Tp>::value; 
 
#if defined(__i386__) || defined(__x86_64__) || defined(__pnacl__) || \ 
    defined(__wasm__) 
    static _LIBCPP_CONSTEXPR const bool traps = true; 
#else 
    static _LIBCPP_CONSTEXPR const bool traps = false; 
#endif 
    static _LIBCPP_CONSTEXPR const bool tinyness_before = false; 
    static _LIBCPP_CONSTEXPR const float_round_style round_style = round_toward_zero; 
}; 
 
template <> 
class __libcpp_numeric_limits<bool, true> 
{ 
protected: 
    typedef bool type; 
 
    static _LIBCPP_CONSTEXPR const bool is_specialized = true; 
 
    static _LIBCPP_CONSTEXPR const bool is_signed = false; 
    static _LIBCPP_CONSTEXPR const int  digits = 1; 
    static _LIBCPP_CONSTEXPR const int  digits10 = 0; 
    static _LIBCPP_CONSTEXPR const int  max_digits10 = 0; 
    static _LIBCPP_CONSTEXPR const type __min = false; 
    static _LIBCPP_CONSTEXPR const type __max = true; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __min;} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __max;} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return min();} 
 
    static _LIBCPP_CONSTEXPR const bool is_integer = true; 
    static _LIBCPP_CONSTEXPR const bool is_exact = true; 
    static _LIBCPP_CONSTEXPR const int  radix = 2; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return type(0);} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return type(0);} 
 
    static _LIBCPP_CONSTEXPR const int  min_exponent = 0; 
    static _LIBCPP_CONSTEXPR const int  min_exponent10 = 0; 
    static _LIBCPP_CONSTEXPR const int  max_exponent = 0; 
    static _LIBCPP_CONSTEXPR const int  max_exponent10 = 0; 
 
    static _LIBCPP_CONSTEXPR const bool has_infinity = false; 
    static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = false; 
    static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = false; 
    static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_absent; 
    static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return type(0);} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return type(0);} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return type(0);} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return type(0);} 
 
    static _LIBCPP_CONSTEXPR const bool is_iec559 = false; 
    static _LIBCPP_CONSTEXPR const bool is_bounded = true; 
    static _LIBCPP_CONSTEXPR const bool is_modulo = false; 
 
    static _LIBCPP_CONSTEXPR const bool traps = false; 
    static _LIBCPP_CONSTEXPR const bool tinyness_before = false; 
    static _LIBCPP_CONSTEXPR const float_round_style round_style = round_toward_zero; 
}; 
 
template <> 
class __libcpp_numeric_limits<float, true> 
{ 
protected: 
    typedef float type; 
 
    static _LIBCPP_CONSTEXPR const bool is_specialized = true; 
 
    static _LIBCPP_CONSTEXPR const bool is_signed = true; 
    static _LIBCPP_CONSTEXPR const int  digits = __FLT_MANT_DIG__; 
    static _LIBCPP_CONSTEXPR const int  digits10 = __FLT_DIG__; 
    static _LIBCPP_CONSTEXPR const int  max_digits10 = 2+(digits * 30103l)/100000l; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __FLT_MIN__;} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __FLT_MAX__;} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return -max();} 
 
    static _LIBCPP_CONSTEXPR const bool is_integer = false; 
    static _LIBCPP_CONSTEXPR const bool is_exact = false; 
    static _LIBCPP_CONSTEXPR const int  radix = __FLT_RADIX__; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __FLT_EPSILON__;} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return 0.5F;} 
 
    static _LIBCPP_CONSTEXPR const int  min_exponent = __FLT_MIN_EXP__; 
    static _LIBCPP_CONSTEXPR const int  min_exponent10 = __FLT_MIN_10_EXP__; 
    static _LIBCPP_CONSTEXPR const int  max_exponent = __FLT_MAX_EXP__; 
    static _LIBCPP_CONSTEXPR const int  max_exponent10 = __FLT_MAX_10_EXP__; 
 
    static _LIBCPP_CONSTEXPR const bool has_infinity = true; 
    static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = true; 
    static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = true; 
    static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_present; 
    static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __builtin_huge_valf();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __builtin_nanf("");} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __builtin_nansf("");} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __FLT_DENORM_MIN__;} 
 
    static _LIBCPP_CONSTEXPR const bool is_iec559 = true; 
    static _LIBCPP_CONSTEXPR const bool is_bounded = true; 
    static _LIBCPP_CONSTEXPR const bool is_modulo = false; 
 
    static _LIBCPP_CONSTEXPR const bool traps = false; 
    static _LIBCPP_CONSTEXPR const bool tinyness_before = false; 
    static _LIBCPP_CONSTEXPR const float_round_style round_style = round_to_nearest; 
}; 
 
template <> 
class __libcpp_numeric_limits<double, true> 
{ 
protected: 
    typedef double type; 
 
    static _LIBCPP_CONSTEXPR const bool is_specialized = true; 
 
    static _LIBCPP_CONSTEXPR const bool is_signed = true; 
    static _LIBCPP_CONSTEXPR const int  digits = __DBL_MANT_DIG__; 
    static _LIBCPP_CONSTEXPR const int  digits10 = __DBL_DIG__; 
    static _LIBCPP_CONSTEXPR const int  max_digits10 = 2+(digits * 30103l)/100000l; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __DBL_MIN__;} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __DBL_MAX__;} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return -max();} 
 
    static _LIBCPP_CONSTEXPR const bool is_integer = false; 
    static _LIBCPP_CONSTEXPR const bool is_exact = false; 
    static _LIBCPP_CONSTEXPR const int  radix = __FLT_RADIX__; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __DBL_EPSILON__;} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return 0.5;} 
 
    static _LIBCPP_CONSTEXPR const int  min_exponent = __DBL_MIN_EXP__; 
    static _LIBCPP_CONSTEXPR const int  min_exponent10 = __DBL_MIN_10_EXP__; 
    static _LIBCPP_CONSTEXPR const int  max_exponent = __DBL_MAX_EXP__; 
    static _LIBCPP_CONSTEXPR const int  max_exponent10 = __DBL_MAX_10_EXP__; 
 
    static _LIBCPP_CONSTEXPR const bool has_infinity = true; 
    static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = true; 
    static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = true; 
    static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_present; 
    static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __builtin_huge_val();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __builtin_nan("");} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __builtin_nans("");} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __DBL_DENORM_MIN__;} 
 
    static _LIBCPP_CONSTEXPR const bool is_iec559 = true; 
    static _LIBCPP_CONSTEXPR const bool is_bounded = true; 
    static _LIBCPP_CONSTEXPR const bool is_modulo = false; 
 
    static _LIBCPP_CONSTEXPR const bool traps = false; 
    static _LIBCPP_CONSTEXPR const bool tinyness_before = false; 
    static _LIBCPP_CONSTEXPR const float_round_style round_style = round_to_nearest; 
}; 
 
template <> 
class __libcpp_numeric_limits<long double, true> 
{ 
protected: 
    typedef long double type; 
 
    static _LIBCPP_CONSTEXPR const bool is_specialized = true; 
 
    static _LIBCPP_CONSTEXPR const bool is_signed = true; 
    static _LIBCPP_CONSTEXPR const int  digits = __LDBL_MANT_DIG__; 
    static _LIBCPP_CONSTEXPR const int  digits10 = __LDBL_DIG__; 
    static _LIBCPP_CONSTEXPR const int  max_digits10 = 2+(digits * 30103l)/100000l; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __LDBL_MIN__;} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __LDBL_MAX__;} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return -max();} 
 
    static _LIBCPP_CONSTEXPR const bool is_integer = false; 
    static _LIBCPP_CONSTEXPR const bool is_exact = false; 
    static _LIBCPP_CONSTEXPR const int  radix = __FLT_RADIX__; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __LDBL_EPSILON__;} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return 0.5L;} 
 
    static _LIBCPP_CONSTEXPR const int  min_exponent = __LDBL_MIN_EXP__; 
    static _LIBCPP_CONSTEXPR const int  min_exponent10 = __LDBL_MIN_10_EXP__; 
    static _LIBCPP_CONSTEXPR const int  max_exponent = __LDBL_MAX_EXP__; 
    static _LIBCPP_CONSTEXPR const int  max_exponent10 = __LDBL_MAX_10_EXP__; 
 
    static _LIBCPP_CONSTEXPR const bool has_infinity = true; 
    static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = true; 
    static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = true; 
    static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = denorm_present; 
    static _LIBCPP_CONSTEXPR const bool has_denorm_loss = false; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __builtin_huge_vall();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __builtin_nanl("");} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __builtin_nansl("");} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __LDBL_DENORM_MIN__;} 
 
#if (defined(__ppc__) || defined(__ppc64__)) 
    static _LIBCPP_CONSTEXPR const bool is_iec559 = false; 
#else 
    static _LIBCPP_CONSTEXPR const bool is_iec559 = true; 
#endif 
    static _LIBCPP_CONSTEXPR const bool is_bounded = true; 
    static _LIBCPP_CONSTEXPR const bool is_modulo = false; 
 
    static _LIBCPP_CONSTEXPR const bool traps = false; 
    static _LIBCPP_CONSTEXPR const bool tinyness_before = false; 
    static _LIBCPP_CONSTEXPR const float_round_style round_style = round_to_nearest; 
}; 
 
template <class _Tp> 
class _LIBCPP_TEMPLATE_VIS numeric_limits 
    : private __libcpp_numeric_limits<typename remove_cv<_Tp>::type> 
{ 
    typedef __libcpp_numeric_limits<typename remove_cv<_Tp>::type> __base; 
    typedef typename __base::type type; 
public: 
    static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __base::min();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __base::max();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return __base::lowest();} 
 
    static _LIBCPP_CONSTEXPR const int  digits = __base::digits; 
    static _LIBCPP_CONSTEXPR const int  digits10 = __base::digits10; 
    static _LIBCPP_CONSTEXPR const int  max_digits10 = __base::max_digits10; 
    static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed; 
    static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer; 
    static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact; 
    static _LIBCPP_CONSTEXPR const int  radix = __base::radix; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __base::epsilon();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return __base::round_error();} 
 
    static _LIBCPP_CONSTEXPR const int  min_exponent = __base::min_exponent; 
    static _LIBCPP_CONSTEXPR const int  min_exponent10 = __base::min_exponent10; 
    static _LIBCPP_CONSTEXPR const int  max_exponent = __base::max_exponent; 
    static _LIBCPP_CONSTEXPR const int  max_exponent10 = __base::max_exponent10; 
 
    static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity; 
    static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN; 
    static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signaling_NaN; 
    static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_denorm; 
    static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_loss; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __base::infinity();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __base::denorm_min();} 
 
    static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559; 
    static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded; 
    static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo; 
 
    static _LIBCPP_CONSTEXPR const bool traps = __base::traps; 
    static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_before; 
    static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round_style; 
}; 
 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_specialized; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::digits; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::digits10; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::max_digits10; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_signed; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_integer; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_exact; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::radix; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::min_exponent; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::min_exponent10; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::max_exponent; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::max_exponent10; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_infinity; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_quiet_NaN; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_signaling_NaN; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<_Tp>::has_denorm; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_denorm_loss; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_iec559; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_bounded; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_modulo; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::traps; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::tinyness_before; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const float_round_style numeric_limits<_Tp>::round_style; 
 
template <class _Tp> 
class _LIBCPP_TEMPLATE_VIS numeric_limits<const _Tp> 
    : private numeric_limits<_Tp> 
{ 
    typedef numeric_limits<_Tp> __base; 
    typedef _Tp type; 
public: 
    static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __base::min();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __base::max();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return __base::lowest();} 
 
    static _LIBCPP_CONSTEXPR const int  digits = __base::digits; 
    static _LIBCPP_CONSTEXPR const int  digits10 = __base::digits10; 
    static _LIBCPP_CONSTEXPR const int  max_digits10 = __base::max_digits10; 
    static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed; 
    static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer; 
    static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact; 
    static _LIBCPP_CONSTEXPR const int  radix = __base::radix; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __base::epsilon();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return __base::round_error();} 
 
    static _LIBCPP_CONSTEXPR const int  min_exponent = __base::min_exponent; 
    static _LIBCPP_CONSTEXPR const int  min_exponent10 = __base::min_exponent10; 
    static _LIBCPP_CONSTEXPR const int  max_exponent = __base::max_exponent; 
    static _LIBCPP_CONSTEXPR const int  max_exponent10 = __base::max_exponent10; 
 
    static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity; 
    static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN; 
    static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signaling_NaN; 
    static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_denorm; 
    static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_loss; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __base::infinity();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __base::denorm_min();} 
 
    static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559; 
    static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded; 
    static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo; 
 
    static _LIBCPP_CONSTEXPR const bool traps = __base::traps; 
    static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_before; 
    static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round_style; 
}; 
 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_specialized; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::digits; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::digits10; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::max_digits10; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_signed; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_integer; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_exact; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::radix; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::min_exponent; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::min_exponent10; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::max_exponent; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::max_exponent10; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_infinity; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_quiet_NaN; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_signaling_NaN; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<const _Tp>::has_denorm; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_denorm_loss; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_iec559; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_bounded; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_modulo; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::traps; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::tinyness_before; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const float_round_style numeric_limits<const _Tp>::round_style; 
 
template <class _Tp> 
class _LIBCPP_TEMPLATE_VIS numeric_limits<volatile _Tp> 
    : private numeric_limits<_Tp> 
{ 
    typedef numeric_limits<_Tp> __base; 
    typedef _Tp type; 
public: 
    static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __base::min();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __base::max();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return __base::lowest();} 
 
    static _LIBCPP_CONSTEXPR const int  digits = __base::digits; 
    static _LIBCPP_CONSTEXPR const int  digits10 = __base::digits10; 
    static _LIBCPP_CONSTEXPR const int  max_digits10 = __base::max_digits10; 
    static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed; 
    static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer; 
    static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact; 
    static _LIBCPP_CONSTEXPR const int  radix = __base::radix; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __base::epsilon();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return __base::round_error();} 
 
    static _LIBCPP_CONSTEXPR const int  min_exponent = __base::min_exponent; 
    static _LIBCPP_CONSTEXPR const int  min_exponent10 = __base::min_exponent10; 
    static _LIBCPP_CONSTEXPR const int  max_exponent = __base::max_exponent; 
    static _LIBCPP_CONSTEXPR const int  max_exponent10 = __base::max_exponent10; 
 
    static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity; 
    static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN; 
    static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signaling_NaN; 
    static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_denorm; 
    static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_loss; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __base::infinity();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __base::denorm_min();} 
 
    static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559; 
    static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded; 
    static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo; 
 
    static _LIBCPP_CONSTEXPR const bool traps = __base::traps; 
    static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_before; 
    static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round_style; 
}; 
 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_specialized; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::digits; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::digits10; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::max_digits10; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_signed; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_integer; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_exact; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::radix; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::min_exponent; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::min_exponent10; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::max_exponent; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::max_exponent10; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_infinity; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_quiet_NaN; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_signaling_NaN; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<volatile _Tp>::has_denorm; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_denorm_loss; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_iec559; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_bounded; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_modulo; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::traps; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::tinyness_before; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const float_round_style numeric_limits<volatile _Tp>::round_style; 
 
template <class _Tp> 
class _LIBCPP_TEMPLATE_VIS numeric_limits<const volatile _Tp> 
    : private numeric_limits<_Tp> 
{ 
    typedef numeric_limits<_Tp> __base; 
    typedef _Tp type; 
public: 
    static _LIBCPP_CONSTEXPR const bool is_specialized = __base::is_specialized; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __base::min();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __base::max();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return __base::lowest();} 
 
    static _LIBCPP_CONSTEXPR const int  digits = __base::digits; 
    static _LIBCPP_CONSTEXPR const int  digits10 = __base::digits10; 
    static _LIBCPP_CONSTEXPR const int  max_digits10 = __base::max_digits10; 
    static _LIBCPP_CONSTEXPR const bool is_signed = __base::is_signed; 
    static _LIBCPP_CONSTEXPR const bool is_integer = __base::is_integer; 
    static _LIBCPP_CONSTEXPR const bool is_exact = __base::is_exact; 
    static _LIBCPP_CONSTEXPR const int  radix = __base::radix; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type epsilon() _NOEXCEPT {return __base::epsilon();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type round_error() _NOEXCEPT {return __base::round_error();} 
 
    static _LIBCPP_CONSTEXPR const int  min_exponent = __base::min_exponent; 
    static _LIBCPP_CONSTEXPR const int  min_exponent10 = __base::min_exponent10; 
    static _LIBCPP_CONSTEXPR const int  max_exponent = __base::max_exponent; 
    static _LIBCPP_CONSTEXPR const int  max_exponent10 = __base::max_exponent10; 
 
    static _LIBCPP_CONSTEXPR const bool has_infinity = __base::has_infinity; 
    static _LIBCPP_CONSTEXPR const bool has_quiet_NaN = __base::has_quiet_NaN; 
    static _LIBCPP_CONSTEXPR const bool has_signaling_NaN = __base::has_signaling_NaN; 
    static _LIBCPP_CONSTEXPR const float_denorm_style has_denorm = __base::has_denorm; 
    static _LIBCPP_CONSTEXPR const bool has_denorm_loss = __base::has_denorm_loss; 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type infinity() _NOEXCEPT {return __base::infinity();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();} 
    _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type denorm_min() _NOEXCEPT {return __base::denorm_min();} 
 
    static _LIBCPP_CONSTEXPR const bool is_iec559 = __base::is_iec559; 
    static _LIBCPP_CONSTEXPR const bool is_bounded = __base::is_bounded; 
    static _LIBCPP_CONSTEXPR const bool is_modulo = __base::is_modulo; 
 
    static _LIBCPP_CONSTEXPR const bool traps = __base::traps; 
    static _LIBCPP_CONSTEXPR const bool tinyness_before = __base::tinyness_before; 
    static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round_style; 
}; 
 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_specialized; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::digits; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::digits10; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::max_digits10; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_signed; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_integer; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_exact; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::radix; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::min_exponent; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::min_exponent10; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::max_exponent; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::max_exponent10; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_infinity; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_quiet_NaN; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_signaling_NaN; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<const volatile _Tp>::has_denorm; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_denorm_loss; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_iec559; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_bounded; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_modulo; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::traps; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::tinyness_before; 
template <class _Tp> 
    _LIBCPP_CONSTEXPR const float_round_style numeric_limits<const volatile _Tp>::round_style; 
 
_LIBCPP_END_NAMESPACE_STD 
 
_LIBCPP_POP_MACROS 
 
#endif // _LIBCPP_LIMITS