summaryrefslogtreecommitdiffstats
blob: a3fda5252af62723261cb06ea5ea5f80ed68e40f (plain)
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
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
//  Boost config.hpp configuration header file  ------------------------------//
//	boostinspect:ndprecated_macros	-- tell the inspect tool to ignore this file

//  Copyright (c) 2001-2003 John Maddock
//  Copyright (c) 2001 Darin Adler
//  Copyright (c) 2001 Peter Dimov
//  Copyright (c) 2002 Bill Kempf
//  Copyright (c) 2002 Jens Maurer
//  Copyright (c) 2002-2003 David Abrahams
//  Copyright (c) 2003 Gennaro Prota
//  Copyright (c) 2003 Eric Friedman
//  Copyright (c) 2010 Eric Jourdanneau, Joel Falcou
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)

//  See http://www.boost.org/ for most recent version.

//  Boost config.hpp policy and rationale documentation has been moved to
//  http://www.boost.org/libs/config/
//
//  This file is intended to be stable, and relatively unchanging.
//  It should contain boilerplate code only - no compiler specific
//  code unless it is unavoidable - no changes unless unavoidable.

#ifndef BOOST_CONFIG_SUFFIX_HPP
#define BOOST_CONFIG_SUFFIX_HPP

#if defined(__GNUC__) && (__GNUC__ >= 4)
//
// Some GCC-4.x versions issue warnings even when __extension__ is used,
// so use this as a workaround:
//
#pragma GCC system_header
#endif

//
// ensure that visibility macros are always defined, thus symplifying use
//
#ifndef BOOST_SYMBOL_EXPORT
# define BOOST_SYMBOL_EXPORT
#endif
#ifndef BOOST_SYMBOL_IMPORT
# define BOOST_SYMBOL_IMPORT
#endif
#ifndef BOOST_SYMBOL_VISIBLE
# define BOOST_SYMBOL_VISIBLE
#endif

//
// look for long long by looking for the appropriate macros in <limits.h>.
// Note that we use limits.h rather than climits for maximal portability,
// remember that since these just declare a bunch of macros, there should be
// no namespace issues from this.
//
#if !defined(BOOST_HAS_LONG_LONG) && !defined(BOOST_NO_LONG_LONG)                                              \
   && !defined(BOOST_MSVC) && !defined(__BORLANDC__)
# include <limits.h>
# if (defined(ULLONG_MAX) || defined(ULONG_LONG_MAX) || defined(ULONGLONG_MAX))
#   define BOOST_HAS_LONG_LONG
# else
#   define BOOST_NO_LONG_LONG
# endif
#endif

// GCC 3.x will clean up all of those nasty macro definitions that
// BOOST_NO_CTYPE_FUNCTIONS is intended to help work around, so undefine
// it under GCC 3.x.
#if defined(__GNUC__) && (__GNUC__ >= 3) && defined(BOOST_NO_CTYPE_FUNCTIONS)
#  undef BOOST_NO_CTYPE_FUNCTIONS
#endif

//
// Assume any extensions are in namespace std:: unless stated otherwise:
//
#  ifndef BOOST_STD_EXTENSION_NAMESPACE
#    define BOOST_STD_EXTENSION_NAMESPACE std
#  endif

//
// If cv-qualified specializations are not allowed, then neither are cv-void ones:
//
#  if defined(BOOST_NO_CV_SPECIALIZATIONS) \
      && !defined(BOOST_NO_CV_VOID_SPECIALIZATIONS)
#     define BOOST_NO_CV_VOID_SPECIALIZATIONS
#  endif

//
// If there is no numeric_limits template, then it can't have any compile time
// constants either!
//
#  if defined(BOOST_NO_LIMITS) \
      && !defined(BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS)
#     define BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
#     define BOOST_NO_MS_INT64_NUMERIC_LIMITS
#     define BOOST_NO_LONG_LONG_NUMERIC_LIMITS
#  endif

//
// if there is no long long then there is no specialisation
// for numeric_limits<long long> either:
//
#if !defined(BOOST_HAS_LONG_LONG) && !defined(BOOST_NO_LONG_LONG_NUMERIC_LIMITS)
#  define BOOST_NO_LONG_LONG_NUMERIC_LIMITS
#endif

//
// if there is no __int64 then there is no specialisation
// for numeric_limits<__int64> either:
//
#if !defined(BOOST_HAS_MS_INT64) && !defined(BOOST_NO_MS_INT64_NUMERIC_LIMITS)
#  define BOOST_NO_MS_INT64_NUMERIC_LIMITS
#endif

//
// if member templates are supported then so is the
// VC6 subset of member templates:
//
#  if !defined(BOOST_NO_MEMBER_TEMPLATES) \
       && !defined(BOOST_MSVC6_MEMBER_TEMPLATES)
#     define BOOST_MSVC6_MEMBER_TEMPLATES
#  endif

//
// Without partial specialization, can't test for partial specialisation bugs:
//
#  if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
      && !defined(BOOST_BCB_PARTIAL_SPECIALIZATION_BUG)
#     define BOOST_BCB_PARTIAL_SPECIALIZATION_BUG
#  endif

//
// Without partial specialization, we can't have array-type partial specialisations:
//
#  if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
      && !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS)
#     define BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS
#  endif

//
// Without partial specialization, std::iterator_traits can't work:
//
#  if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
      && !defined(BOOST_NO_STD_ITERATOR_TRAITS)
#     define BOOST_NO_STD_ITERATOR_TRAITS
#  endif

//
// Without partial specialization, partial
// specialization with default args won't work either:
//
#  if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
      && !defined(BOOST_NO_PARTIAL_SPECIALIZATION_IMPLICIT_DEFAULT_ARGS)
#     define BOOST_NO_PARTIAL_SPECIALIZATION_IMPLICIT_DEFAULT_ARGS
#  endif

//
// Without member template support, we can't have template constructors
// in the standard library either:
//
#  if defined(BOOST_NO_MEMBER_TEMPLATES) \
      && !defined(BOOST_MSVC6_MEMBER_TEMPLATES) \
      && !defined(BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS)
#     define BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
#  endif

//
// Without member template support, we can't have a conforming
// std::allocator template either:
//
#  if defined(BOOST_NO_MEMBER_TEMPLATES) \
      && !defined(BOOST_MSVC6_MEMBER_TEMPLATES) \
      && !defined(BOOST_NO_STD_ALLOCATOR)
#     define BOOST_NO_STD_ALLOCATOR
#  endif

//
// without ADL support then using declarations will break ADL as well:
//
#if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP) && !defined(BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL)
#  define BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL
#endif

//
// Without typeid support we have no dynamic RTTI either:
//
#if defined(BOOST_NO_TYPEID) && !defined(BOOST_NO_RTTI)
#  define BOOST_NO_RTTI
#endif

//
// If we have a standard allocator, then we have a partial one as well:
//
#if !defined(BOOST_NO_STD_ALLOCATOR)
#  define BOOST_HAS_PARTIAL_STD_ALLOCATOR
#endif

//
// We can't have a working std::use_facet if there is no std::locale:
//
#  if defined(BOOST_NO_STD_LOCALE) && !defined(BOOST_NO_STD_USE_FACET)
#     define BOOST_NO_STD_USE_FACET
#  endif

//
// We can't have a std::messages facet if there is no std::locale:
//
#  if defined(BOOST_NO_STD_LOCALE) && !defined(BOOST_NO_STD_MESSAGES)
#     define BOOST_NO_STD_MESSAGES
#  endif

//
// We can't have a working std::wstreambuf if there is no std::locale:
//
#  if defined(BOOST_NO_STD_LOCALE) && !defined(BOOST_NO_STD_WSTREAMBUF)
#     define BOOST_NO_STD_WSTREAMBUF
#  endif

//
// We can't have a <cwctype> if there is no <cwchar>:
//
#  if defined(BOOST_NO_CWCHAR) && !defined(BOOST_NO_CWCTYPE)
#     define BOOST_NO_CWCTYPE
#  endif

//
// We can't have a swprintf if there is no <cwchar>:
//
#  if defined(BOOST_NO_CWCHAR) && !defined(BOOST_NO_SWPRINTF)
#     define BOOST_NO_SWPRINTF
#  endif

//
// If Win32 support is turned off, then we must turn off
// threading support also, unless there is some other
// thread API enabled:
//
#if defined(BOOST_DISABLE_WIN32) && defined(_WIN32) \
   && !defined(BOOST_DISABLE_THREADS) && !defined(BOOST_HAS_PTHREADS)
#  define BOOST_DISABLE_THREADS
#endif

//
// Turn on threading support if the compiler thinks that it's in
// multithreaded mode.  We put this here because there are only a
// limited number of macros that identify this (if there's any missing
// from here then add to the appropriate compiler section):
//
#if (defined(__MT__) || defined(_MT) || defined(_REENTRANT) \
    || defined(_PTHREADS) || defined(__APPLE__) || defined(__DragonFly__)) \
    && !defined(BOOST_HAS_THREADS)
#  define BOOST_HAS_THREADS
#endif

//
// Turn threading support off if BOOST_DISABLE_THREADS is defined:
//
#if defined(BOOST_DISABLE_THREADS) && defined(BOOST_HAS_THREADS)
#  undef BOOST_HAS_THREADS
#endif

//
// Turn threading support off if we don't recognise the threading API:
//
#if defined(BOOST_HAS_THREADS) && !defined(BOOST_HAS_PTHREADS)\
      && !defined(BOOST_HAS_WINTHREADS) && !defined(BOOST_HAS_BETHREADS)\
      && !defined(BOOST_HAS_MPTASKS)
#  undef BOOST_HAS_THREADS
#endif

//
// Turn threading detail macros off if we don't (want to) use threading
//
#ifndef BOOST_HAS_THREADS
#  undef BOOST_HAS_PTHREADS
#  undef BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE
#  undef BOOST_HAS_PTHREAD_YIELD
#  undef BOOST_HAS_PTHREAD_DELAY_NP
#  undef BOOST_HAS_WINTHREADS
#  undef BOOST_HAS_BETHREADS
#  undef BOOST_HAS_MPTASKS
#endif

//
// If the compiler claims to be C99 conformant, then it had better
// have a <stdint.h>:
//
#  if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901)
#     define BOOST_HAS_STDINT_H
#     ifndef BOOST_HAS_LOG1P
#        define BOOST_HAS_LOG1P
#     endif
#     ifndef BOOST_HAS_EXPM1
#        define BOOST_HAS_EXPM1
#     endif
#  endif

//
// Define BOOST_NO_SLIST and BOOST_NO_HASH if required.
// Note that this is for backwards compatibility only.
//
#  if !defined(BOOST_HAS_SLIST) && !defined(BOOST_NO_SLIST)
#     define BOOST_NO_SLIST
#  endif

#  if !defined(BOOST_HAS_HASH) && !defined(BOOST_NO_HASH)
#     define BOOST_NO_HASH
#  endif

//
// Set BOOST_SLIST_HEADER if not set already:
//
#if defined(BOOST_HAS_SLIST) && !defined(BOOST_SLIST_HEADER)
#  define BOOST_SLIST_HEADER <slist>
#endif

//
// Set BOOST_HASH_SET_HEADER if not set already:
//
#if defined(BOOST_HAS_HASH) && !defined(BOOST_HASH_SET_HEADER)
#  define BOOST_HASH_SET_HEADER <hash_set>
#endif

//
// Set BOOST_HASH_MAP_HEADER if not set already:
//
#if defined(BOOST_HAS_HASH) && !defined(BOOST_HASH_MAP_HEADER)
#  define BOOST_HASH_MAP_HEADER <hash_map>
#endif

//  BOOST_HAS_ABI_HEADERS
//  This macro gets set if we have headers that fix the ABI,
//  and prevent ODR violations when linking to external libraries:
#if defined(BOOST_ABI_PREFIX) && defined(BOOST_ABI_SUFFIX) && !defined(BOOST_HAS_ABI_HEADERS)
#  define BOOST_HAS_ABI_HEADERS
#endif

#if defined(BOOST_HAS_ABI_HEADERS) && defined(BOOST_DISABLE_ABI_HEADERS)
#  undef BOOST_HAS_ABI_HEADERS
#endif

//  BOOST_NO_STDC_NAMESPACE workaround  --------------------------------------//
//  Because std::size_t usage is so common, even in boost headers which do not
//  otherwise use the C library, the <cstddef> workaround is included here so
//  that ugly workaround code need not appear in many other boost headers.
//  NOTE WELL: This is a workaround for non-conforming compilers; <cstddef>
//  must still be #included in the usual places so that <cstddef> inclusion
//  works as expected with standard conforming compilers.  The resulting
//  double inclusion of <cstddef> is harmless.

# if defined(BOOST_NO_STDC_NAMESPACE) && defined(__cplusplus)
#   include <cstddef>
    namespace std { using ::ptrdiff_t; using ::size_t; }
# endif

//  Workaround for the unfortunate min/max macros defined by some platform headers

#define BOOST_PREVENT_MACRO_SUBSTITUTION

#ifndef BOOST_USING_STD_MIN
#  define BOOST_USING_STD_MIN() using std::min
#endif

#ifndef BOOST_USING_STD_MAX
#  define BOOST_USING_STD_MAX() using std::max
#endif

//  BOOST_NO_STD_MIN_MAX workaround  -----------------------------------------//

#  if defined(BOOST_NO_STD_MIN_MAX) && defined(__cplusplus)

namespace std {
  template <class _Tp>
  inline const _Tp& min BOOST_PREVENT_MACRO_SUBSTITUTION (const _Tp& __a, const _Tp& __b) {
    return __b < __a ? __b : __a;
  }
  template <class _Tp>
  inline const _Tp& max BOOST_PREVENT_MACRO_SUBSTITUTION (const _Tp& __a, const _Tp& __b) {
    return  __a < __b ? __b : __a;
  }
}

#  endif

// BOOST_STATIC_CONSTANT workaround --------------------------------------- //
// On compilers which don't allow in-class initialization of static integral
// constant members, we must use enums as a workaround if we want the constants
// to be available at compile-time. This macro gives us a convenient way to
// declare such constants.

#  ifdef BOOST_NO_INCLASS_MEMBER_INITIALIZATION
#       define BOOST_STATIC_CONSTANT(type, assignment) enum { assignment }
#  else
#     define BOOST_STATIC_CONSTANT(type, assignment) static const type assignment
#  endif

// BOOST_USE_FACET / HAS_FACET workaround ----------------------------------//
// When the standard library does not have a conforming std::use_facet there
// are various workarounds available, but they differ from library to library.
// The same problem occurs with has_facet.
// These macros provide a consistent way to access a locale's facets.
// Usage:
//    replace
//       std::use_facet<Type>(loc);
//    with
//       BOOST_USE_FACET(Type, loc);
//    Note do not add a std:: prefix to the front of BOOST_USE_FACET!
//  Use for BOOST_HAS_FACET is analogous.

#if defined(BOOST_NO_STD_USE_FACET)
#  ifdef BOOST_HAS_TWO_ARG_USE_FACET
#     define BOOST_USE_FACET(Type, loc) std::use_facet(loc, static_cast<Type*>(0))
#     define BOOST_HAS_FACET(Type, loc) std::has_facet(loc, static_cast<Type*>(0))
#  elif defined(BOOST_HAS_MACRO_USE_FACET)
#     define BOOST_USE_FACET(Type, loc) std::_USE(loc, Type)
#     define BOOST_HAS_FACET(Type, loc) std::_HAS(loc, Type)
#  elif defined(BOOST_HAS_STLP_USE_FACET)
#     define BOOST_USE_FACET(Type, loc) (*std::_Use_facet<Type >(loc))
#     define BOOST_HAS_FACET(Type, loc) std::has_facet< Type >(loc)
#  endif
#else
#  define BOOST_USE_FACET(Type, loc) std::use_facet< Type >(loc)
#  define BOOST_HAS_FACET(Type, loc) std::has_facet< Type >(loc)
#endif

// BOOST_NESTED_TEMPLATE workaround ------------------------------------------//
// Member templates are supported by some compilers even though they can't use
// the A::template member<U> syntax, as a workaround replace:
//
// typedef typename A::template rebind<U> binder;
//
// with:
//
// typedef typename A::BOOST_NESTED_TEMPLATE rebind<U> binder;

#ifndef BOOST_NO_MEMBER_TEMPLATE_KEYWORD
#  define BOOST_NESTED_TEMPLATE template
#else
#  define BOOST_NESTED_TEMPLATE
#endif

// BOOST_UNREACHABLE_RETURN(x) workaround -------------------------------------//
// Normally evaluates to nothing, unless BOOST_NO_UNREACHABLE_RETURN_DETECTION
// is defined, in which case it evaluates to return x; Use when you have a return
// statement that can never be reached.

#ifdef BOOST_NO_UNREACHABLE_RETURN_DETECTION
#  define BOOST_UNREACHABLE_RETURN(x) return x;
#else
#  define BOOST_UNREACHABLE_RETURN(x)
#endif

// BOOST_DEDUCED_TYPENAME workaround ------------------------------------------//
//
// Some compilers don't support the use of `typename' for dependent
// types in deduced contexts, e.g.
//
//     template <class T> void f(T, typename T::type);
//                                  ^^^^^^^^
// Replace these declarations with:
//
//     template <class T> void f(T, BOOST_DEDUCED_TYPENAME T::type);

#ifndef BOOST_NO_DEDUCED_TYPENAME
#  define BOOST_DEDUCED_TYPENAME typename
#else
#  define BOOST_DEDUCED_TYPENAME
#endif

#ifndef BOOST_NO_TYPENAME_WITH_CTOR
#  define BOOST_CTOR_TYPENAME typename
#else
#  define BOOST_CTOR_TYPENAME
#endif

// long long workaround ------------------------------------------//
// On gcc (and maybe other compilers?) long long is alway supported
// but it's use may generate either warnings (with -ansi), or errors
// (with -pedantic -ansi) unless it's use is prefixed by __extension__
//
#if defined(BOOST_HAS_LONG_LONG) && defined(__cplusplus)
namespace boost{
#  ifdef __GNUC__
   __extension__ typedef long long long_long_type;
   __extension__ typedef unsigned long long ulong_long_type;
#  else
   typedef long long long_long_type;
   typedef unsigned long long ulong_long_type;
#  endif
}
#endif
// same again for __int128:
#if defined(BOOST_HAS_INT128) && defined(__cplusplus)
namespace boost{
#  ifdef __GNUC__
   __extension__ typedef __int128 int128_type;
   __extension__ typedef unsigned __int128 uint128_type;
#  else
   typedef __int128 int128_type;
   typedef unsigned __int128 uint128_type;
#  endif
}
#endif

// BOOST_[APPEND_]EXPLICIT_TEMPLATE_[NON_]TYPE macros --------------------------//

// These macros are obsolete. Port away and remove.

#  define BOOST_EXPLICIT_TEMPLATE_TYPE(t)
#  define BOOST_EXPLICIT_TEMPLATE_TYPE_SPEC(t)
#  define BOOST_EXPLICIT_TEMPLATE_NON_TYPE(t, v)
#  define BOOST_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v)

#  define BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(t)
#  define BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE_SPEC(t)
#  define BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(t, v)
#  define BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v)

// When BOOST_NO_STD_TYPEINFO is defined, we can just import
// the global definition into std namespace:
#if defined(BOOST_NO_STD_TYPEINFO) && defined(__cplusplus)
#include <typeinfo>
namespace std{ using ::type_info; }
#endif

// ---------------------------------------------------------------------------//

//
// Helper macro BOOST_STRINGIZE:
// Converts the parameter X to a string after macro replacement
// on X has been performed.
//
#define BOOST_STRINGIZE(X) BOOST_DO_STRINGIZE(X)
#define BOOST_DO_STRINGIZE(X) #X

//
// Helper macro BOOST_JOIN:
// The following piece of macro magic joins the two
// arguments together, even when one of the arguments is
// itself a macro (see 16.3.1 in C++ standard).  The key
// is that macro expansion of macro arguments does not
// occur in BOOST_DO_JOIN2 but does in BOOST_DO_JOIN.
//
#define BOOST_JOIN( X, Y ) BOOST_DO_JOIN( X, Y )
#define BOOST_DO_JOIN( X, Y ) BOOST_DO_JOIN2(X,Y)
#define BOOST_DO_JOIN2( X, Y ) X##Y

//
// Set some default values for compiler/library/platform names.
// These are for debugging config setup only:
//
#  ifndef BOOST_COMPILER
#     define BOOST_COMPILER "Unknown ISO C++ Compiler"
#  endif
#  ifndef BOOST_STDLIB
#     define BOOST_STDLIB "Unknown ISO standard library"
#  endif
#  ifndef BOOST_PLATFORM
#     if defined(unix) || defined(__unix) || defined(_XOPEN_SOURCE) \
         || defined(_POSIX_SOURCE)
#        define BOOST_PLATFORM "Generic Unix"
#     else
#        define BOOST_PLATFORM "Unknown"
#     endif
#  endif

//
// Set some default values GPU support
//
#  ifndef BOOST_GPU_ENABLED
#  define BOOST_GPU_ENABLED
#  endif

// BOOST_FORCEINLINE ---------------------------------------------//
// Macro to use in place of 'inline' to force a function to be inline
#if !defined(BOOST_FORCEINLINE)
#  if defined(_MSC_VER)
#    define BOOST_FORCEINLINE __forceinline
#  elif defined(__GNUC__) && __GNUC__ > 3
     // Clang also defines __GNUC__ (as 4)
#    define BOOST_FORCEINLINE inline __attribute__ ((__always_inline__))
#  else
#    define BOOST_FORCEINLINE inline
#  endif
#endif

// BOOST_NOINLINE ---------------------------------------------//
// Macro to use in place of 'inline' to prevent a function to be inlined
#if !defined(BOOST_NOINLINE)
#  if defined(_MSC_VER)
#    define BOOST_NOINLINE __declspec(noinline)
#  elif defined(__GNUC__) && __GNUC__ > 3
     // Clang also defines __GNUC__ (as 4)
#    if defined(__CUDACC__)
       // nvcc doesn't always parse __noinline__, 
       // see: https://svn.boost.org/trac/boost/ticket/9392
#      define BOOST_NOINLINE __attribute__ ((noinline))
#    else
#      define BOOST_NOINLINE __attribute__ ((__noinline__))
#    endif
#  else
#    define BOOST_NOINLINE
#  endif
#endif

// BOOST_NORETURN ---------------------------------------------//
// Macro to use before a function declaration/definition to designate
// the function as not returning normally (i.e. with a return statement
// or by leaving the function scope, if the function return type is void).
#if !defined(BOOST_NORETURN)
#  if defined(_MSC_VER)
#    define BOOST_NORETURN __declspec(noreturn)
#  elif defined(__GNUC__)
#    define BOOST_NORETURN __attribute__ ((__noreturn__))
#  else
#    define BOOST_NO_NORETURN
#    define BOOST_NORETURN
#  endif
#endif

// Branch prediction hints
// These macros are intended to wrap conditional expressions that yield true or false
//
//  if (BOOST_LIKELY(var == 10))
//  {
//     // the most probable code here
//  }
//
#if !defined(BOOST_LIKELY)
#  define BOOST_LIKELY(x) x
#endif
#if !defined(BOOST_UNLIKELY)
#  define BOOST_UNLIKELY(x) x
#endif

// Type and data alignment specification
//
#if !defined(BOOST_NO_CXX11_ALIGNAS)
#  define BOOST_ALIGNMENT(x) alignas(x)
#elif defined(_MSC_VER)
#  define BOOST_ALIGNMENT(x) __declspec(align(x))
#elif defined(__GNUC__)
#  define BOOST_ALIGNMENT(x) __attribute__ ((__aligned__(x)))
#else
#  define BOOST_NO_ALIGNMENT
#  define BOOST_ALIGNMENT(x)
#endif

// Defaulted and deleted function declaration helpers
// These macros are intended to be inside a class definition.
// BOOST_DEFAULTED_FUNCTION accepts the function declaration and its
// body, which will be used if the compiler doesn't support defaulted functions.
// BOOST_DELETED_FUNCTION only accepts the function declaration. It
// will expand to a private function declaration, if the compiler doesn't support
// deleted functions. Because of this it is recommended to use BOOST_DELETED_FUNCTION
// in the end of the class definition.
//
//  class my_class
//  {
//  public:
//      // Default-constructible
//      BOOST_DEFAULTED_FUNCTION(my_class(), {})
//      // Copying prohibited
//      BOOST_DELETED_FUNCTION(my_class(my_class const&))
//      BOOST_DELETED_FUNCTION(my_class& operator= (my_class const&))
//  };
//
#if !(defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) || defined(BOOST_NO_CXX11_NON_PUBLIC_DEFAULTED_FUNCTIONS))
#   define BOOST_DEFAULTED_FUNCTION(fun, body) fun = default;
#else
#   define BOOST_DEFAULTED_FUNCTION(fun, body) fun body
#endif

#if !defined(BOOST_NO_CXX11_DELETED_FUNCTIONS)
#   define BOOST_DELETED_FUNCTION(fun) fun = delete;
#else
#   define BOOST_DELETED_FUNCTION(fun) private: fun;
#endif

//
// Set BOOST_NO_DECLTYPE_N3276 when BOOST_NO_DECLTYPE is defined
//
#if defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_CXX11_DECLTYPE_N3276)
#define	BOOST_NO_CXX11_DECLTYPE_N3276 BOOST_NO_CXX11_DECLTYPE
#endif

//  -------------------- Deprecated macros for 1.50 ---------------------------
//  These will go away in a future release

//  Use BOOST_NO_CXX11_HDR_UNORDERED_SET or BOOST_NO_CXX11_HDR_UNORDERED_MAP
//           instead of BOOST_NO_STD_UNORDERED
#if defined(BOOST_NO_CXX11_HDR_UNORDERED_MAP) || defined (BOOST_NO_CXX11_HDR_UNORDERED_SET)
# ifndef BOOST_NO_CXX11_STD_UNORDERED
#  define BOOST_NO_CXX11_STD_UNORDERED
# endif
#endif

//  Use BOOST_NO_CXX11_HDR_INITIALIZER_LIST instead of BOOST_NO_INITIALIZER_LISTS
#if defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST) && !defined(BOOST_NO_INITIALIZER_LISTS)
#  define BOOST_NO_INITIALIZER_LISTS
#endif

//  Use BOOST_NO_CXX11_HDR_ARRAY instead of BOOST_NO_0X_HDR_ARRAY
#if defined(BOOST_NO_CXX11_HDR_ARRAY) && !defined(BOOST_NO_0X_HDR_ARRAY)
#  define BOOST_NO_0X_HDR_ARRAY
#endif
//  Use BOOST_NO_CXX11_HDR_CHRONO instead of BOOST_NO_0X_HDR_CHRONO
#if defined(BOOST_NO_CXX11_HDR_CHRONO) && !defined(BOOST_NO_0X_HDR_CHRONO)
#  define BOOST_NO_0X_HDR_CHRONO
#endif
//  Use BOOST_NO_CXX11_HDR_CODECVT instead of BOOST_NO_0X_HDR_CODECVT
#if defined(BOOST_NO_CXX11_HDR_CODECVT) && !defined(BOOST_NO_0X_HDR_CODECVT)
#  define BOOST_NO_0X_HDR_CODECVT
#endif
//  Use BOOST_NO_CXX11_HDR_CONDITION_VARIABLE instead of BOOST_NO_0X_HDR_CONDITION_VARIABLE
#if defined(BOOST_NO_CXX11_HDR_CONDITION_VARIABLE) && !defined(BOOST_NO_0X_HDR_CONDITION_VARIABLE)
#  define BOOST_NO_0X_HDR_CONDITION_VARIABLE
#endif
//  Use BOOST_NO_CXX11_HDR_FORWARD_LIST instead of BOOST_NO_0X_HDR_FORWARD_LIST
#if defined(BOOST_NO_CXX11_HDR_FORWARD_LIST) && !defined(BOOST_NO_0X_HDR_FORWARD_LIST)
#  define BOOST_NO_0X_HDR_FORWARD_LIST
#endif
//  Use BOOST_NO_CXX11_HDR_FUTURE instead of BOOST_NO_0X_HDR_FUTURE
#if defined(BOOST_NO_CXX11_HDR_FUTURE) && !defined(BOOST_NO_0X_HDR_FUTURE)
#  define BOOST_NO_0X_HDR_FUTURE
#endif

//  Use BOOST_NO_CXX11_HDR_INITIALIZER_LIST
//  instead of BOOST_NO_0X_HDR_INITIALIZER_LIST or BOOST_NO_INITIALIZER_LISTS
#ifdef BOOST_NO_CXX11_HDR_INITIALIZER_LIST
# ifndef BOOST_NO_0X_HDR_INITIALIZER_LIST
#  define BOOST_NO_0X_HDR_INITIALIZER_LIST
# endif
# ifndef BOOST_NO_INITIALIZER_LISTS
#  define BOOST_NO_INITIALIZER_LISTS
# endif
#endif

//  Use BOOST_NO_CXX11_HDR_MUTEX instead of BOOST_NO_0X_HDR_MUTEX
#if defined(BOOST_NO_CXX11_HDR_MUTEX) && !defined(BOOST_NO_0X_HDR_MUTEX)
#  define BOOST_NO_0X_HDR_MUTEX
#endif
//  Use BOOST_NO_CXX11_HDR_RANDOM instead of BOOST_NO_0X_HDR_RANDOM
#if defined(BOOST_NO_CXX11_HDR_RANDOM) && !defined(BOOST_NO_0X_HDR_RANDOM)
#  define BOOST_NO_0X_HDR_RANDOM
#endif
//  Use BOOST_NO_CXX11_HDR_RATIO instead of BOOST_NO_0X_HDR_RATIO
#if defined(BOOST_NO_CXX11_HDR_RATIO) && !defined(BOOST_NO_0X_HDR_RATIO)
#  define BOOST_NO_0X_HDR_RATIO
#endif
//  Use BOOST_NO_CXX11_HDR_REGEX instead of BOOST_NO_0X_HDR_REGEX
#if defined(BOOST_NO_CXX11_HDR_REGEX) && !defined(BOOST_NO_0X_HDR_REGEX)
#  define BOOST_NO_0X_HDR_REGEX
#endif
//  Use BOOST_NO_CXX11_HDR_SYSTEM_ERROR instead of BOOST_NO_0X_HDR_SYSTEM_ERROR
#if defined(BOOST_NO_CXX11_HDR_SYSTEM_ERROR) && !defined(BOOST_NO_0X_HDR_SYSTEM_ERROR)
#  define BOOST_NO_0X_HDR_SYSTEM_ERROR
#endif
//  Use BOOST_NO_CXX11_HDR_THREAD instead of BOOST_NO_0X_HDR_THREAD
#if defined(BOOST_NO_CXX11_HDR_THREAD) && !defined(BOOST_NO_0X_HDR_THREAD)
#  define BOOST_NO_0X_HDR_THREAD
#endif
//  Use BOOST_NO_CXX11_HDR_TUPLE instead of BOOST_NO_0X_HDR_TUPLE
#if defined(BOOST_NO_CXX11_HDR_TUPLE) && !defined(BOOST_NO_0X_HDR_TUPLE)
#  define BOOST_NO_0X_HDR_TUPLE
#endif
//  Use BOOST_NO_CXX11_HDR_TYPE_TRAITS instead of BOOST_NO_0X_HDR_TYPE_TRAITS
#if defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS) && !defined(BOOST_NO_0X_HDR_TYPE_TRAITS)
#  define BOOST_NO_0X_HDR_TYPE_TRAITS
#endif
//  Use BOOST_NO_CXX11_HDR_TYPEINDEX instead of BOOST_NO_0X_HDR_TYPEINDEX
#if defined(BOOST_NO_CXX11_HDR_TYPEINDEX) && !defined(BOOST_NO_0X_HDR_TYPEINDEX)
#  define BOOST_NO_0X_HDR_TYPEINDEX
#endif
//  Use BOOST_NO_CXX11_HDR_UNORDERED_MAP instead of BOOST_NO_0X_HDR_UNORDERED_MAP
#if defined(BOOST_NO_CXX11_HDR_UNORDERED_MAP) && !defined(BOOST_NO_0X_HDR_UNORDERED_MAP)
#  define BOOST_NO_0X_HDR_UNORDERED_MAP
#endif
//  Use BOOST_NO_CXX11_HDR_UNORDERED_SET instead of BOOST_NO_0X_HDR_UNORDERED_SET
#if defined(BOOST_NO_CXX11_HDR_UNORDERED_SET) && !defined(BOOST_NO_0X_HDR_UNORDERED_SET)
#  define BOOST_NO_0X_HDR_UNORDERED_SET
#endif

//  ------------------ End of deprecated macros for 1.50 ---------------------------

//  -------------------- Deprecated macros for 1.51 ---------------------------
//  These will go away in a future release

//  Use     BOOST_NO_CXX11_AUTO_DECLARATIONS instead of   BOOST_NO_AUTO_DECLARATIONS
#if defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) && !defined(BOOST_NO_AUTO_DECLARATIONS)
#  define BOOST_NO_AUTO_DECLARATIONS
#endif
//  Use     BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS instead of   BOOST_NO_AUTO_MULTIDECLARATIONS
#if defined(BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS) && !defined(BOOST_NO_AUTO_MULTIDECLARATIONS)
#  define BOOST_NO_AUTO_MULTIDECLARATIONS
#endif
//  Use     BOOST_NO_CXX11_CHAR16_T instead of   BOOST_NO_CHAR16_T
#if defined(BOOST_NO_CXX11_CHAR16_T) && !defined(BOOST_NO_CHAR16_T)
#  define BOOST_NO_CHAR16_T
#endif
//  Use     BOOST_NO_CXX11_CHAR32_T instead of   BOOST_NO_CHAR32_T
#if defined(BOOST_NO_CXX11_CHAR32_T) && !defined(BOOST_NO_CHAR32_T)
#  define BOOST_NO_CHAR32_T
#endif
//  Use     BOOST_NO_CXX11_TEMPLATE_ALIASES instead of   BOOST_NO_TEMPLATE_ALIASES
#if defined(BOOST_NO_CXX11_TEMPLATE_ALIASES) && !defined(BOOST_NO_TEMPLATE_ALIASES)
#  define BOOST_NO_TEMPLATE_ALIASES
#endif
//  Use     BOOST_NO_CXX11_CONSTEXPR instead of   BOOST_NO_CONSTEXPR
#if defined(BOOST_NO_CXX11_CONSTEXPR) && !defined(BOOST_NO_CONSTEXPR)
#  define BOOST_NO_CONSTEXPR
#endif
//  Use     BOOST_NO_CXX11_DECLTYPE_N3276 instead of   BOOST_NO_DECLTYPE_N3276
#if defined(BOOST_NO_CXX11_DECLTYPE_N3276) && !defined(BOOST_NO_DECLTYPE_N3276)
#  define BOOST_NO_DECLTYPE_N3276
#endif
//  Use     BOOST_NO_CXX11_DECLTYPE instead of   BOOST_NO_DECLTYPE
#if defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_DECLTYPE)
#  define BOOST_NO_DECLTYPE
#endif
//  Use     BOOST_NO_CXX11_DEFAULTED_FUNCTIONS instead of   BOOST_NO_DEFAULTED_FUNCTIONS
#if defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) && !defined(BOOST_NO_DEFAULTED_FUNCTIONS)
#  define BOOST_NO_DEFAULTED_FUNCTIONS
#endif
//  Use     BOOST_NO_CXX11_DELETED_FUNCTIONS instead of   BOOST_NO_DELETED_FUNCTIONS
#if defined(BOOST_NO_CXX11_DELETED_FUNCTIONS) && !defined(BOOST_NO_DELETED_FUNCTIONS)
#  define BOOST_NO_DELETED_FUNCTIONS
#endif
//  Use     BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS instead of   BOOST_NO_EXPLICIT_CONVERSION_OPERATORS
#if defined(BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS) && !defined(BOOST_NO_EXPLICIT_CONVERSION_OPERATORS)
#  define BOOST_NO_EXPLICIT_CONVERSION_OPERATORS
#endif
//  Use     BOOST_NO_CXX11_EXTERN_TEMPLATE instead of   BOOST_NO_EXTERN_TEMPLATE
#if defined(BOOST_NO_CXX11_EXTERN_TEMPLATE) && !defined(BOOST_NO_EXTERN_TEMPLATE)
#  define BOOST_NO_EXTERN_TEMPLATE
#endif
//  Use     BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS instead of   BOOST_NO_FUNCTION_TEMPLATE_DEFAULT_ARGS
#if defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS) && !defined(BOOST_NO_FUNCTION_TEMPLATE_DEFAULT_ARGS)
#  define BOOST_NO_FUNCTION_TEMPLATE_DEFAULT_ARGS
#endif
//  Use     BOOST_NO_CXX11_LAMBDAS instead of   BOOST_NO_LAMBDAS
#if defined(BOOST_NO_CXX11_LAMBDAS) && !defined(BOOST_NO_LAMBDAS)
#  define BOOST_NO_LAMBDAS
#endif
//  Use     BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS instead of   BOOST_NO_LOCAL_CLASS_TEMPLATE_PARAMETERS
#if defined(BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS) && !defined(BOOST_NO_LOCAL_CLASS_TEMPLATE_PARAMETERS)
#  define BOOST_NO_LOCAL_CLASS_TEMPLATE_PARAMETERS
#endif
//  Use     BOOST_NO_CXX11_NOEXCEPT instead of   BOOST_NO_NOEXCEPT
#if defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(BOOST_NO_NOEXCEPT)
#  define BOOST_NO_NOEXCEPT
#endif
//  Use     BOOST_NO_CXX11_NULLPTR instead of   BOOST_NO_NULLPTR
#if defined(BOOST_NO_CXX11_NULLPTR) && !defined(BOOST_NO_NULLPTR)
#  define BOOST_NO_NULLPTR
#endif
//  Use     BOOST_NO_CXX11_RAW_LITERALS instead of   BOOST_NO_RAW_LITERALS
#if defined(BOOST_NO_CXX11_RAW_LITERALS) && !defined(BOOST_NO_RAW_LITERALS)
#  define BOOST_NO_RAW_LITERALS
#endif
//  Use     BOOST_NO_CXX11_RVALUE_REFERENCES instead of   BOOST_NO_RVALUE_REFERENCES
#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_RVALUE_REFERENCES)
#  define BOOST_NO_RVALUE_REFERENCES
#endif
//  Use     BOOST_NO_CXX11_SCOPED_ENUMS instead of   BOOST_NO_SCOPED_ENUMS
#if defined(BOOST_NO_CXX11_SCOPED_ENUMS) && !defined(BOOST_NO_SCOPED_ENUMS)
#  define BOOST_NO_SCOPED_ENUMS
#endif
//  Use     BOOST_NO_CXX11_STATIC_ASSERT instead of   BOOST_NO_STATIC_ASSERT
#if defined(BOOST_NO_CXX11_STATIC_ASSERT) && !defined(BOOST_NO_STATIC_ASSERT)
#  define BOOST_NO_STATIC_ASSERT
#endif
//  Use     BOOST_NO_CXX11_STD_UNORDERED instead of   BOOST_NO_STD_UNORDERED
#if defined(BOOST_NO_CXX11_STD_UNORDERED) && !defined(BOOST_NO_STD_UNORDERED)
#  define BOOST_NO_STD_UNORDERED
#endif
//  Use     BOOST_NO_CXX11_UNICODE_LITERALS instead of   BOOST_NO_UNICODE_LITERALS
#if defined(BOOST_NO_CXX11_UNICODE_LITERALS) && !defined(BOOST_NO_UNICODE_LITERALS)
#  define BOOST_NO_UNICODE_LITERALS
#endif
//  Use     BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX instead of   BOOST_NO_UNIFIED_INITIALIZATION_SYNTAX
#if defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX) && !defined(BOOST_NO_UNIFIED_INITIALIZATION_SYNTAX)
#  define BOOST_NO_UNIFIED_INITIALIZATION_SYNTAX
#endif
//  Use     BOOST_NO_CXX11_VARIADIC_TEMPLATES instead of   BOOST_NO_VARIADIC_TEMPLATES
#if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_NO_VARIADIC_TEMPLATES)
#  define BOOST_NO_VARIADIC_TEMPLATES
#endif
//  Use     BOOST_NO_CXX11_VARIADIC_MACROS instead of   BOOST_NO_VARIADIC_MACROS
#if defined(BOOST_NO_CXX11_VARIADIC_MACROS) && !defined(BOOST_NO_VARIADIC_MACROS)
#  define BOOST_NO_VARIADIC_MACROS
#endif
//  Use     BOOST_NO_CXX11_NUMERIC_LIMITS instead of   BOOST_NO_NUMERIC_LIMITS_LOWEST
#if defined(BOOST_NO_CXX11_NUMERIC_LIMITS) && !defined(BOOST_NO_NUMERIC_LIMITS_LOWEST)
#  define BOOST_NO_NUMERIC_LIMITS_LOWEST
#endif
//  ------------------ End of deprecated macros for 1.51 ---------------------------



//
// Helper macros BOOST_NOEXCEPT, BOOST_NOEXCEPT_IF, BOOST_NOEXCEPT_EXPR
// These aid the transition to C++11 while still supporting C++03 compilers
//
#ifdef BOOST_NO_CXX11_NOEXCEPT
#  define BOOST_NOEXCEPT
#  define BOOST_NOEXCEPT_OR_NOTHROW throw()
#  define BOOST_NOEXCEPT_IF(Predicate)
#  define BOOST_NOEXCEPT_EXPR(Expression) false
#else
#  define BOOST_NOEXCEPT noexcept
#  define BOOST_NOEXCEPT_OR_NOTHROW noexcept
#  define BOOST_NOEXCEPT_IF(Predicate) noexcept((Predicate))
#  define BOOST_NOEXCEPT_EXPR(Expression) noexcept((Expression))
#endif
//
// Helper macro BOOST_FALLTHROUGH
// Fallback definition of BOOST_FALLTHROUGH macro used to mark intended
// fall-through between case labels in a switch statement. We use a definition
// that requires a semicolon after it to avoid at least one type of misuse even
// on unsupported compilers.
//
#ifndef BOOST_FALLTHROUGH
#  define BOOST_FALLTHROUGH ((void)0)
#endif

//
// constexpr workarounds
//
#if defined(BOOST_NO_CXX11_CONSTEXPR)
#define BOOST_CONSTEXPR
#define BOOST_CONSTEXPR_OR_CONST const
#else
#define BOOST_CONSTEXPR constexpr
#define BOOST_CONSTEXPR_OR_CONST constexpr
#endif

#define BOOST_STATIC_CONSTEXPR  static BOOST_CONSTEXPR_OR_CONST

//
// Set BOOST_HAS_STATIC_ASSERT when BOOST_NO_CXX11_STATIC_ASSERT is not defined
//
#if !defined(BOOST_NO_CXX11_STATIC_ASSERT) && !defined(BOOST_HAS_STATIC_ASSERT)
#  define BOOST_HAS_STATIC_ASSERT
#endif

//
// Set BOOST_HAS_RVALUE_REFS when BOOST_NO_CXX11_RVALUE_REFERENCES is not defined
//
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_HAS_RVALUE_REFS)
#define BOOST_HAS_RVALUE_REFS
#endif

//
// Set BOOST_HAS_VARIADIC_TMPL when BOOST_NO_CXX11_VARIADIC_TEMPLATES is not defined
//
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_HAS_VARIADIC_TMPL)
#define BOOST_HAS_VARIADIC_TMPL
#endif

//
// Finish off with checks for macros that are depricated / no longer supported,
// if any of these are set then it's very likely that much of Boost will no
// longer work.  So stop with a #error for now, but give the user a chance
// to continue at their own risk if they really want to:
//
#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !defined(BOOST_CONFIG_ALLOW_DEPRECATED)
#  error "You are using a compiler which lacks features which are now a minimum requirement in order to use Boost, define BOOST_CONFIG_ALLOW_DEPRECATED if you want to continue at your own risk!!!"
#endif

#endif