1<section xmlns="http://docbook.org/ns/docbook" version="5.0"
2	 xml:id="status.iso.2011" xreflabel="Status C++ 2011">
3<?dbhtml filename="status_iso_cxx2011.html"?>
4
5<info><title>C++ 2011</title>
6  <keywordset>
7    <keyword>ISO C++</keyword>
8    <keyword>2011</keyword>
9  </keywordset>
10</info>
11
12<para>
13<anchor xml:id="status.iso.200x" /> <!-- preserve links to old section ID -->
14This table is based on the table of contents of ISO/IEC
15JTC1 SC22 WG21 Doc No: N3290 Date: 2011-04-11
16Final Draft International Standard, Standard for Programming Language C++
17</para>
18
19<para>
20In this implementation the <literal>-std=gnu++11</literal> or
21<literal>-std=c++11</literal> flag must be used to enable language
22and library
23features. See <link linkend="manual.intro.using.flags">dialect</link>
24options. The pre-defined symbol
25<constant>__cplusplus</constant> is used to check for the
26presence of the required flag.
27GCC 5.1 was the first release with non-experimental C++11 support,
28so the API and ABI of features added in C++11 is only stable
29since that release.
30</para>
31
32<para>
33This status table is based on the table of contents of ISO/IEC 14882:2011.
34</para>
35
36<para>
37This section describes the C++11 support in the GCC 10 release series.
38</para>
39
40<!-- Status is Yes or No, Broken/Partial-->
41<!--
42   Yes
43
44   No
45      <?dbhtml bgcolor="#C8B0B0" ?>
46   Broken/Partial
47      <?dbhtml bgcolor="#B0B0B0" ?>
48-->
49<table frame="all" xml:id="table.cxx11_status">
50<title>C++ 2011 Implementation Status</title>
51
52<tgroup cols="4" align="left" colsep="0" rowsep="1">
53<colspec colname="c1"/>
54<colspec colname="c2"/>
55<colspec colname="c3"/>
56<colspec colname="c4"/>
57  <thead>
58    <row>
59      <entry>Section</entry>
60      <entry>Description</entry>
61      <entry>Status</entry>
62      <entry>Comments</entry>
63    </row>
64  </thead>
65
66  <tbody>
67
68    <row>
69      <entry>
70	<emphasis>18</emphasis>
71      </entry>
72      <entry namest="c2" nameend="c4" align="left">
73	<emphasis>Language support</emphasis>
74      </entry>
75    </row>
76
77    <row>
78      <entry>18.1</entry>
79      <entry>General</entry>
80      <entry/>
81      <entry/>
82    </row>
83    <row>
84      <entry>18.2</entry>
85      <entry>Types</entry>
86      <entry>Y</entry>
87      <entry/>
88    </row>
89    <row>
90      <entry>18.3</entry>
91      <entry>Implementation properties</entry>
92      <entry/>
93      <entry/>
94    </row>
95
96    <row>
97      <entry>18.3.2</entry>
98      <entry>Numeric Limits</entry>
99      <entry/>
100      <entry/>
101    </row>
102    <row>
103      <entry>18.3.2.3</entry>
104      <entry>Class template <code>numeric_limits</code></entry>
105      <entry>Y</entry>
106      <entry/>
107    </row>
108    <row>
109      <entry>18.3.2.4</entry>
110      <entry><code>numeric_limits</code> members</entry>
111      <entry>Y</entry>
112      <entry/>
113    </row>
114    <row>
115      <?dbhtml bgcolor="#C8B0B0" ?>
116      <entry>18.3.2.5</entry>
117      <entry><code>float_round_style</code></entry>
118      <entry>N</entry>
119      <entry/>
120    </row>
121    <row>
122      <?dbhtml bgcolor="#C8B0B0" ?>
123      <entry>18.3.2.6</entry>
124      <entry><code>float_denorm_style</code></entry>
125      <entry>N</entry>
126      <entry/>
127    </row>
128    <row>
129      <entry>18.3.2.7</entry>
130      <entry><code>numeric_limits</code> specializations</entry>
131      <entry>Y</entry>
132      <entry/>
133    </row>
134
135    <row>
136      <entry>18.3.3</entry>
137      <entry>C Library</entry>
138      <entry>Y</entry>
139      <entry/>
140    </row>
141
142    <row>
143      <entry>18.4</entry>
144      <entry>Integer types</entry>
145      <entry/>
146      <entry/>
147    </row>
148    <row>
149      <entry>18.4.1</entry>
150      <entry>Header <code>&lt;cstdint&gt;</code> synopsis</entry>
151      <entry>Y</entry>
152      <entry/>
153    </row>
154    <row>
155      <?dbhtml bgcolor="#B0B0B0" ?>
156      <entry>18.5</entry>
157      <entry>Start and termination</entry>
158      <entry>Partial</entry>
159      <entry>C library dependency for quick_exit, at_quick_exit</entry>
160    </row>
161    <row>
162      <entry>18.6</entry>
163      <entry>Dynamic memory management</entry>
164      <entry>Y</entry>
165      <entry/>
166    </row>
167    <row>
168      <entry>18.7</entry>
169      <entry>Type identification</entry>
170      <entry/>
171      <entry/>
172    </row>
173    <row>
174      <entry>18.7.1</entry>
175      <entry>Class type_info</entry>
176      <entry>Y</entry>
177      <entry/>
178    </row>
179    <row>
180      <entry>18.7.2</entry>
181      <entry>Class bad_cast</entry>
182      <entry>Y</entry>
183      <entry/>
184    </row>
185    <row>
186      <entry>18.7.3</entry>
187      <entry>Class bad_typeid</entry>
188      <entry>Y</entry>
189      <entry/>
190    </row>
191    <row>
192      <entry>18.8</entry>
193      <entry>Exception handling</entry>
194      <entry/>
195      <entry/>
196    </row>
197    <row>
198      <entry>18.8.1</entry>
199      <entry>Class exception</entry>
200      <entry>Y</entry>
201      <entry/>
202    </row>
203    <row>
204      <entry>18.8.2</entry>
205      <entry>Class bad_exception</entry>
206      <entry>Y</entry>
207      <entry/>
208    </row>
209    <row>
210      <entry>18.8.3</entry>
211      <entry>Abnormal termination</entry>
212      <entry>Y</entry>
213      <entry/>
214    </row>
215    <row>
216      <entry>18.8.4</entry>
217      <entry><code>uncaught_exception</code></entry>
218      <entry>Y</entry>
219      <entry/>
220    </row>
221    <row>
222      <entry>18.8.5</entry>
223      <entry>Exception Propagation</entry>
224      <entry>Y</entry>
225      <entry/>
226    </row>
227    <row>
228      <entry>18.8.6</entry>
229      <entry><code>nested_exception</code></entry>
230      <entry>Y</entry>
231      <entry/>
232    </row>
233    <row>
234      <entry>18.9</entry>
235      <entry>Initializer lists</entry>
236      <entry/>
237      <entry/>
238    </row>
239    <row>
240      <entry>18.9.1</entry>
241      <entry>Initializer list constructors</entry>
242      <entry>Y</entry>
243      <entry/>
244    </row>
245    <row>
246      <entry>18.9.2</entry>
247      <entry>Initializer list access</entry>
248      <entry>Y</entry>
249      <entry/>
250    </row>
251    <row>
252      <entry>18.9.3</entry>
253      <entry>Initializer list range access</entry>
254      <entry>Y</entry>
255      <entry/>
256    </row>
257    <row>
258      <entry>18.10</entry>
259      <entry>Other runtime support</entry>
260      <entry>Y</entry>
261      <entry/>
262    </row>
263    <row>
264      <entry>
265	<emphasis>19</emphasis>
266      </entry>
267      <entry namest="c2" nameend="c4" align="left">
268	<emphasis>Diagnostics</emphasis>
269      </entry>
270    </row>
271    <row>
272      <entry>19.1</entry>
273      <entry>General</entry>
274      <entry/>
275      <entry/>
276    </row>
277    <row>
278      <entry>19.2</entry>
279      <entry>Exception classes</entry>
280      <entry>Y</entry>
281      <entry/>
282    </row>
283    <row>
284      <entry>19.3</entry>
285      <entry>Assertions</entry>
286      <entry>Y</entry>
287      <entry/>
288    </row>
289    <row>
290      <entry>19.4</entry>
291      <entry>Error numbers</entry>
292      <entry>Y</entry>
293      <entry/>
294    </row>
295    <row>
296      <entry>19.5</entry>
297      <entry>System error support</entry>
298      <entry/>
299      <entry/>
300    </row>
301    <row>
302      <entry>19.5.1</entry>
303      <entry>Class <code>error_category</code></entry>
304      <entry>Y</entry>
305      <entry/>
306    </row>
307    <row>
308      <entry>19.5.2</entry>
309      <entry>Class <code>error_code</code></entry>
310      <entry>Y</entry>
311      <entry/>
312    </row>
313    <row>
314      <entry>19.5.3</entry>
315      <entry>Class <code>error_condition</code></entry>
316      <entry>Y</entry>
317      <entry/>
318    </row>
319    <row>
320      <entry>19.5.4</entry>
321      <entry>Comparison operators</entry>
322      <entry>Y</entry>
323      <entry/>
324    </row>
325    <row>
326      <entry>19.5.5</entry>
327      <entry>Class <code>system_error</code></entry>
328      <entry>Y</entry>
329      <entry/>
330    </row>
331    <row>
332      <entry>
333	<emphasis>20</emphasis>
334      </entry>
335      <entry namest="c2" nameend="c4" align="left">
336	<emphasis>General utilities</emphasis>
337      </entry>
338    </row>
339    <row>
340      <entry>20.1</entry>
341      <entry>General</entry>
342      <entry/>
343      <entry/>
344    </row>
345    <row>
346      <entry>20.2</entry>
347      <entry>Utility components</entry>
348      <entry/>
349      <entry/>
350    </row>
351    <row>
352      <entry>20.2.1</entry>
353      <entry>Operators</entry>
354      <entry>Y</entry>
355      <entry/>
356    </row>
357    <row>
358      <entry>20.2.2</entry>
359      <entry>swap</entry>
360      <entry>Y</entry>
361      <entry/>
362    </row>
363    <row>
364      <entry>20.2.3</entry>
365      <entry>forward/move helpers</entry>
366      <entry>Y</entry>
367      <entry/>
368    </row>
369    <row>
370      <entry>20.2.4</entry>
371      <entry>Function template <code>declval</code></entry>
372      <entry>Y</entry>
373      <entry/>
374    </row>
375    <row>
376      <entry>20.3</entry>
377      <entry>Pairs</entry>
378      <entry/>
379      <entry/>
380    </row>
381    <row>
382      <entry>20.3.1</entry>
383      <entry>In general</entry>
384      <entry/>
385      <entry/>
386    </row>
387    <row>
388      <entry>20.3.2</entry>
389      <entry>Class template <code>pair</code></entry>
390      <entry>Y</entry>
391      <entry/>
392    </row>
393    <row>
394      <entry>20.3.3</entry>
395      <entry>Specialized algorithms</entry>
396      <entry>Y</entry>
397      <entry/>
398    </row>
399    <row>
400      <entry>20.3.4</entry>
401      <entry>Tuple-like access to <code>pair</code></entry>
402      <entry>Y</entry>
403      <entry/>
404    </row>
405    <row>
406      <entry>20.3.5</entry>
407      <entry>Piecewise construction</entry>
408      <entry>Y</entry>
409      <entry/>
410    </row>
411    <row>
412      <entry>20.4</entry>
413      <entry>Tuples</entry>
414      <entry/>
415      <entry/>
416    </row>
417    <row>
418      <entry>20.4.1</entry>
419      <entry>In general</entry>
420      <entry/>
421      <entry/>
422    </row>
423    <row>
424      <entry>20.4.2</entry>
425      <entry>Class template <code>tuple</code></entry>
426      <entry/>
427      <entry/>
428    </row>
429    <row>
430      <entry>20.4.2.1</entry>
431      <entry>Construction</entry>
432      <entry>Y</entry>
433      <entry/>
434    </row>
435    <row>
436      <entry>20.4.2.2</entry>
437      <entry>Assignment</entry>
438      <entry>Y</entry>
439      <entry/>
440    </row>
441    <row>
442      <entry>20.4.2.3</entry>
443      <entry>Swap</entry>
444      <entry>Y</entry>
445      <entry/>
446    </row>
447    <row>
448      <entry>20.4.2.4</entry>
449      <entry>Tuple creation functions</entry>
450      <entry>Y</entry>
451      <entry/>
452    </row>
453    <row>
454      <entry>20.4.2.5</entry>
455      <entry>Tuple helper classes</entry>
456      <entry>Y</entry>
457      <entry/>
458    </row>
459    <row>
460      <entry>20.4.2.6</entry>
461      <entry>Element access</entry>
462      <entry>Y</entry>
463      <entry/>
464    </row>
465    <row>
466      <entry>20.4.2.7</entry>
467      <entry>Relational operators</entry>
468      <entry>Y</entry>
469      <entry/>
470    </row>
471    <row>
472      <entry>20.4.2.8</entry>
473      <entry>Tuple traits</entry>
474      <entry>Y</entry>
475      <entry/>
476    </row>
477    <row>
478      <entry>20.4.2.9</entry>
479      <entry>Tuple specialized algorithms</entry>
480      <entry>Y</entry>
481      <entry/>
482    </row>
483    <row>
484      <entry>20.5</entry>
485      <entry>Class template <code>bitset</code></entry>
486      <entry>Y</entry>
487      <entry/>
488    </row>
489    <row>
490      <entry>20.5.1</entry>
491      <entry><code>bitset</code> constructors</entry>
492      <entry>Y</entry>
493      <entry/>
494    </row>
495    <row>
496      <entry>20.5.2</entry>
497      <entry><code>bitset</code> members</entry>
498      <entry>Y</entry>
499      <entry/>
500    </row>
501    <row>
502      <entry>20.5.3</entry>
503      <entry><code>bitset</code> hash support</entry>
504      <entry>Y</entry>
505      <entry/>
506    </row>
507    <row>
508      <entry>20.5.4</entry>
509      <entry><code>bitset</code> operators</entry>
510      <entry>Y</entry>
511      <entry/>
512    </row>
513    <row>
514      <entry>20.6</entry>
515      <entry>Memory</entry>
516      <entry/>
517      <entry/>
518    </row>
519    <row>
520      <entry>20.6.1</entry>
521      <entry>In general</entry>
522      <entry/>
523      <entry/>
524    </row>
525    <row>
526      <entry>20.6.2</entry>
527      <entry>Header <code>&lt;memory&gt;</code> synopsis</entry>
528      <entry/>
529      <entry/>
530    </row>
531    <row>
532      <entry>20.6.3</entry>
533      <entry>Pointer traits</entry>
534      <entry>Y</entry>
535      <entry/>
536    </row>
537    <row>
538      <entry>20.6.4</entry>
539      <entry>Pointer safety</entry>
540      <entry>Y</entry>
541      <entry/>
542    </row>
543    <row>
544      <entry>20.6.5</entry>
545      <entry>Align</entry>
546      <entry>Y</entry>
547      <entry/>
548    </row>
549    <row>
550      <entry>20.6.6</entry>
551      <entry>Allocator argument tag</entry>
552      <entry>Y</entry>
553      <entry/>
554    </row>
555    <row>
556      <entry>20.6.7</entry>
557      <entry><code>uses_allocator</code></entry>
558      <entry>Y</entry>
559      <entry/>
560    </row>
561    <row>
562      <entry>20.6.8</entry>
563      <entry>Allocator traits</entry>
564      <entry>Y</entry>
565      <entry/>
566    </row>
567    <row>
568      <entry>20.6.9</entry>
569      <entry>The default allocator</entry>
570      <entry>Y</entry>
571      <entry/>
572    </row>
573    <row>
574      <entry>20.6.10</entry>
575      <entry>Raw storage iterator</entry>
576      <entry>Y</entry>
577      <entry/>
578    </row>
579    <row>
580      <entry>20.6.11</entry>
581      <entry>Temporary buffers</entry>
582      <entry>Y</entry>
583      <entry/>
584    </row>
585    <row>
586      <entry>20.6.12</entry>
587      <entry>Specialized algorithms</entry>
588      <entry/>
589      <entry/>
590    </row>
591    <row>
592      <entry>20.6.12.1</entry>
593      <entry><code>addressof</code></entry>
594      <entry>Y</entry>
595      <entry/>
596    </row>
597    <row>
598      <entry>20.6.12.2</entry>
599      <entry><code>uninitialized_copy</code></entry>
600      <entry>Y</entry>
601      <entry/>
602    </row>
603    <row>
604      <entry>20.6.12.3</entry>
605      <entry><code>uninitialized_fill</code></entry>
606      <entry>Y</entry>
607      <entry/>
608    </row>
609    <row>
610      <entry>20.6.12.4</entry>
611      <entry><code>uninitialized_fill_n</code></entry>
612      <entry>Y</entry>
613      <entry/>
614    </row>
615    <row>
616      <entry>20.6.13</entry>
617      <entry>C library</entry>
618      <entry>Y</entry>
619      <entry/>
620    </row>
621    <row>
622      <entry>20.7</entry>
623      <entry>Smart pointers</entry>
624      <entry/>
625      <entry/>
626    </row>
627    <row>
628      <entry>20.7.1</entry>
629      <entry>Class template <code>unique_ptr</code></entry>
630      <entry>Y</entry>
631      <entry/>
632    </row>
633    <row>
634      <entry>20.7.2</entry>
635      <entry>Shared-ownership pointers</entry>
636      <entry/>
637      <entry/>
638    </row>
639    <row>
640      <entry>20.7.2.1</entry>
641      <entry>Class <code>bad_weak_ptr</code></entry>
642      <entry>Y</entry>
643      <entry/>
644    </row>
645    <row>
646      <entry>20.7.2.2</entry>
647      <entry>Class template <code>shared_ptr</code></entry>
648      <entry>Y</entry>
649      <entry>
650	  Uses code from
651	  <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.boost.org/libs/smart_ptr/shared_ptr.htm">boost::shared_ptr</link>.
652      </entry>
653    </row>
654    <row>
655      <entry>20.7.2.3</entry>
656      <entry>Class template <code>weak_ptr</code></entry>
657      <entry>Y</entry>
658      <entry/>
659    </row>
660    <row>
661      <entry>20.7.2.4</entry>
662      <entry>Class template <code>enable_shared_from_this</code></entry>
663      <entry>Y</entry>
664      <entry/>
665    </row>
666    <row>
667      <entry>20.7.2.5</entry>
668      <entry><code>shared_ptr</code> atomic access</entry>
669      <entry>Y</entry>
670      <entry/>
671    </row>
672    <row>
673      <entry>20.7.2.6</entry>
674      <entry>Smart pointer hash support</entry>
675      <entry>Y</entry>
676      <entry/>
677    </row>
678    <row>
679      <entry>20.8</entry>
680      <entry>Function objects</entry>
681      <entry/>
682      <entry/>
683    </row>
684    <row>
685      <entry>20.8.1</entry>
686      <entry>Definitions</entry>
687      <entry/>
688      <entry/>
689    </row>
690    <row>
691      <entry>20.8.2</entry>
692      <entry>Requirements</entry>
693      <entry/>
694      <entry/>
695    </row>
696    <row>
697      <entry>20.8.3</entry>
698      <entry>Class template <code>reference_wrapper</code></entry>
699      <entry>Y</entry>
700      <entry/>
701    </row>
702    <row>
703      <entry>20.8.4</entry>
704      <entry>Arithmetic operation</entry>
705      <entry>Y</entry>
706      <entry/>
707    </row>
708    <row>
709      <entry>20.8.5</entry>
710      <entry>Comparisons</entry>
711      <entry>Y</entry>
712      <entry/>
713    </row>
714    <row>
715      <entry>20.8.6</entry>
716      <entry>Logical operations</entry>
717      <entry>Y</entry>
718      <entry/>
719    </row>
720    <row>
721      <entry>20.8.7</entry>
722      <entry>Bitwise operations</entry>
723      <entry>Y</entry>
724      <entry/>
725    </row>
726    <row>
727      <entry>20.8.8</entry>
728      <entry>Negators</entry>
729      <entry>Y</entry>
730      <entry/>
731    </row>
732    <row>
733      <entry>20.8.9</entry>
734      <entry>Function template <code>bind</code></entry>
735      <entry>Y</entry>
736      <entry/>
737    </row>
738    <row>
739      <entry>20.8.10</entry>
740      <entry>Function template <code>mem_fn</code></entry>
741      <entry>Y</entry>
742      <entry/>
743    </row>
744    <row>
745      <entry>20.8.11</entry>
746      <entry>Polymorphic function wrappers</entry>
747      <entry/>
748      <entry/>
749    </row>
750    <row>
751      <entry>20.8.11.1</entry>
752      <entry>Class <code>bad_function_call</code></entry>
753      <entry>Y</entry>
754      <entry/>
755    </row>
756    <row>
757      <?dbhtml bgcolor="#B0B0B0" ?>
758      <entry>20.8.11.2</entry>
759      <entry>Class template <code>function</code></entry>
760      <entry>Partial</entry>
761      <entry>Missing allocator support</entry>
762    </row>
763    <row>
764      <entry>20.8.12</entry>
765      <entry>Class template <code>hash</code></entry>
766      <entry>Y</entry>
767      <entry/>
768    </row>
769    <row>
770      <entry>20.9</entry>
771      <entry>Metaprogramming and type traits</entry>
772      <entry/>
773      <entry/>
774    </row>
775    <row>
776      <entry>20.9.1</entry>
777      <entry>Requirements</entry>
778      <entry>Y</entry>
779      <entry/>
780    </row>
781    <row>
782      <entry>20.9.2</entry>
783      <entry>Header <code>&lt;type_traits&gt;</code> synopsis</entry>
784      <entry/>
785      <entry/>
786    </row>
787    <row>
788      <entry>20.9.3</entry>
789      <entry>Helper classes</entry>
790      <entry>Y</entry>
791      <entry/>
792    </row>
793    <row>
794      <entry>20.9.4</entry>
795      <entry>Unary Type Traits</entry>
796      <entry>Y</entry>
797      <entry/>
798    </row>
799    <row>
800      <entry>20.9.4.1</entry>
801      <entry>Primary type categories</entry>
802      <entry>Y</entry>
803      <entry/>
804    </row>
805    <row>
806      <entry>20.9.4.2</entry>
807      <entry>Composite type traits</entry>
808      <entry>Y</entry>
809      <entry/>
810    </row>
811    <row>
812      <entry>20.9.4.3</entry>
813      <entry>Type properties</entry>
814      <entry>Y</entry>
815      <entry/>
816    </row>
817    <row>
818      <entry>20.9.5</entry>
819      <entry>Type property queries</entry>
820      <entry>Y</entry>
821      <entry/>
822    </row>
823    <row>
824      <entry>20.9.6</entry>
825      <entry>Relationships between types</entry>
826      <entry>Y</entry>
827      <entry/>
828    </row>
829    <row>
830      <entry>20.9.7</entry>
831      <entry>Transformations between types</entry>
832      <entry/>
833      <entry/>
834    </row>
835    <row>
836      <entry>20.9.7.1</entry>
837      <entry>Const-volatile modifications</entry>
838      <entry>Y</entry>
839      <entry/>
840    </row>
841    <row>
842      <entry>20.9.7.2</entry>
843      <entry>Reference modifications</entry>
844      <entry>Y</entry>
845      <entry/>
846    </row>
847    <row>
848      <entry>20.9.7.3</entry>
849      <entry>Sign modifications</entry>
850      <entry>Y</entry>
851      <entry/>
852    </row>
853    <row>
854      <entry>20.9.7.4</entry>
855      <entry>Array modifications</entry>
856      <entry>Y</entry>
857      <entry/>
858    </row>
859    <row>
860      <entry>20.9.7.5</entry>
861      <entry>Pointer modifications</entry>
862      <entry>Y</entry>
863      <entry/>
864    </row>
865    <row>
866      <entry>20.9.7.6</entry>
867      <entry>Other transformations</entry>
868      <entry>Y</entry>
869      <entry/>
870    </row>
871    <row>
872      <entry>20.10</entry>
873      <entry>Compile-time rational arithmetic</entry>
874      <entry/>
875      <entry/>
876    </row>
877    <row>
878      <entry>20.10.1</entry>
879      <entry>In general</entry>
880      <entry/>
881      <entry/>
882    </row>
883    <row>
884      <entry>20.10.2</entry>
885      <entry>Header <code>&lt;ratio&gt;</code> synopsis</entry>
886      <entry/>
887      <entry/>
888    </row>
889    <row>
890      <entry>20.10.3</entry>
891      <entry>Class template <code>ratio</code></entry>
892      <entry>Y</entry>
893      <entry/>
894    </row>
895    <row>
896      <entry>20.10.4</entry>
897      <entry>Arithmetic on <code>ratio</code>s</entry>
898      <entry>Y</entry>
899      <entry/>
900    </row>
901    <row>
902      <entry>20.10.5</entry>
903      <entry>Comparison of <code>ratio</code>s</entry>
904      <entry>Y</entry>
905      <entry/>
906    </row>
907    <row>
908      <entry>20.10.6</entry>
909      <entry>SI types for <code>ratio</code></entry>
910      <entry>Y</entry>
911      <entry/>
912    </row>
913    <row>
914      <entry>20.11</entry>
915      <entry>Time utilities</entry>
916      <entry/>
917      <entry/>
918    </row>
919    <row>
920      <entry>20.11.3</entry>
921      <entry>Clock requirements</entry>
922      <entry>Y</entry>
923      <entry/>
924    </row>
925    <row>
926      <entry>20.11.4</entry>
927      <entry>Time-related traits</entry>
928      <entry/>
929      <entry/>
930    </row>
931    <row>
932      <entry>20.11.4.1</entry>
933      <entry><code>treat_as_floating_point</code></entry>
934      <entry>Y</entry>
935      <entry/>
936    </row>
937    <row>
938      <entry>20.11.4.2</entry>
939      <entry><code>duration_values</code></entry>
940      <entry>Y</entry>
941      <entry/>
942    </row>
943    <row>
944      <entry>20.11.4.3</entry>
945      <entry>Specializations of <code>common_type</code></entry>
946      <entry>Y</entry>
947      <entry/>
948    </row>
949    <row>
950      <entry>20.11.5</entry>
951      <entry>Class template <code>duration</code></entry>
952      <entry>Y</entry>
953      <entry/>
954    </row>
955    <row>
956      <entry>20.11.6</entry>
957      <entry>Class template <code>time_point</code></entry>
958      <entry>Y</entry>
959      <entry/>
960    </row>
961    <row>
962      <entry>20.11.7</entry>
963      <entry>Clocks</entry>
964      <entry/>
965      <entry/>
966    </row>
967    <row>
968      <entry>20.11.7.1</entry>
969      <entry>Class <code>system_clock</code></entry>
970      <entry>Y</entry>
971      <entry/>
972    </row>
973    <row>
974      <entry>20.11.7.2</entry>
975      <entry>Class <code>steady_clock</code></entry>
976      <entry>Y</entry>
977      <entry/>
978    </row>
979    <row>
980      <entry>20.11.7.3</entry>
981      <entry>Class <code>high_resolution_clock</code></entry>
982      <entry>Y</entry>
983      <entry/>
984    </row>
985    <row>
986      <entry>20.11.8</entry>
987      <entry>Date and time functions</entry>
988      <entry>Y</entry>
989      <entry/>
990    </row>
991    <row>
992      <entry>20.12</entry>
993      <entry>Scoped allocator adaptor</entry>
994      <entry>Y</entry>
995      <entry/>
996    </row>
997    <row>
998      <entry>20.12.1</entry>
999      <entry>Header <code>&lt;scoped_allocator&gt;</code> synopsis</entry>
1000      <entry/>
1001      <entry/>
1002    </row>
1003    <row>
1004      <entry>20.12.2</entry>
1005      <entry>Scoped allocator adaptor member types</entry>
1006      <entry>Y</entry>
1007      <entry/>
1008    </row>
1009    <row>
1010      <entry>20.12.3</entry>
1011      <entry>Scoped allocator adaptor constructors</entry>
1012      <entry>Y</entry>
1013      <entry/>
1014    </row>
1015    <row>
1016      <entry>20.12.4</entry>
1017      <entry>Scoped allocator adaptor members</entry>
1018      <entry>Y</entry>
1019      <entry/>
1020    </row>
1021    <row>
1022      <entry>20.12.5</entry>
1023      <entry>Scoped allocator operators</entry>
1024      <entry>Y</entry>
1025      <entry/>
1026    </row>
1027    <row>
1028      <entry>20.13</entry>
1029      <entry>Class <code>type_index</code></entry>
1030      <entry>Y</entry>
1031      <entry/>
1032    </row>
1033    <row>
1034      <entry>
1035	<emphasis>21</emphasis>
1036      </entry>
1037      <entry namest="c2" nameend="c4" align="left">
1038	<emphasis>Strings</emphasis>
1039      </entry>
1040    </row>
1041    <row>
1042      <entry>21.1</entry>
1043      <entry>General</entry>
1044      <entry>Y</entry>
1045      <entry/>
1046    </row>
1047    <row>
1048      <entry>21.2</entry>
1049      <entry>Character traits</entry>
1050      <entry/>
1051      <entry/>
1052    </row>
1053    <row>
1054      <entry>21.2.1</entry>
1055      <entry>Character traits requirements</entry>
1056      <entry>Y</entry>
1057      <entry/>
1058    </row>
1059    <row>
1060      <entry>21.2.2</entry>
1061      <entry>traits typedefs</entry>
1062      <entry>Y</entry>
1063      <entry/>
1064    </row>
1065    <row>
1066      <entry>21.2.3</entry>
1067      <entry><code>char_traits</code> specializations</entry>
1068      <entry/>
1069      <entry/>
1070    </row>
1071    <row>
1072      <entry>21.2.3.1</entry>
1073      <entry>struct <code>char_traits&lt;char&gt;</code></entry>
1074      <entry>Y</entry>
1075      <entry/>
1076    </row>
1077    <row>
1078      <entry>21.2.3.2</entry>
1079      <entry>struct <code>char_traits&lt;char16_t&gt;</code></entry>
1080      <entry>Y</entry>
1081      <entry/>
1082    </row>
1083    <row>
1084      <entry>21.2.3.3</entry>
1085      <entry>struct <code>char_traits&lt;char32_t&gt;</code></entry>
1086      <entry>Y</entry>
1087      <entry/>
1088    </row>
1089    <row>
1090      <entry>21.2.3.4</entry>
1091      <entry>struct <code>char_traits&lt;wchar_t&gt;</code></entry>
1092      <entry>Y</entry>
1093      <entry/>
1094    </row>
1095    <row>
1096      <entry>21.3</entry>
1097      <entry>String classes</entry>
1098      <entry>Y</entry>
1099      <entry/>
1100    </row>
1101    <row>
1102      <entry>21.4</entry>
1103      <entry>Class template <code>basic_string</code></entry>
1104      <entry>Y</entry>
1105      <entry/>
1106    </row>
1107    <row>
1108      <entry>21.5</entry>
1109      <entry>Numeric Conversions</entry>
1110      <entry>Y</entry>
1111      <entry/>
1112    </row>
1113    <row>
1114      <entry>21.6</entry>
1115      <entry>Hash support</entry>
1116      <entry>Y</entry>
1117      <entry/>
1118    </row>
1119    <row>
1120      <?dbhtml bgcolor="#B0B0B0" ?>
1121      <entry>21.7</entry>
1122      <entry>Null-terminated sequence utilities</entry>
1123      <entry>Partial</entry>
1124      <entry>C library dependency. </entry>
1125    </row>
1126    <row>
1127      <entry>
1128      	<emphasis>22</emphasis>
1129      </entry>
1130      <entry namest="c2" nameend="c4" align="left">
1131	<emphasis>Localization</emphasis>
1132      </entry>
1133    </row>
1134    <row>
1135      <entry>22.1</entry>
1136      <entry>General</entry>
1137      <entry>Y</entry>
1138      <entry/>
1139    </row>
1140    <row>
1141      <entry>22.2</entry>
1142      <entry>Header <code>&lt;locale&gt;</code> synopsis</entry>
1143      <entry>Y</entry>
1144      <entry/>
1145    </row>
1146    <row>
1147      <entry>22.3</entry>
1148      <entry>Locales</entry>
1149      <entry/>
1150      <entry/>
1151    </row>
1152    <row>
1153      <entry>22.3.1</entry>
1154      <entry>Class <code>locale</code></entry>
1155      <entry>Y</entry>
1156      <entry/>
1157    </row>
1158    <row>
1159      <entry>22.3.2</entry>
1160      <entry><code>locale</code> globals</entry>
1161      <entry>Y</entry>
1162      <entry/>
1163    </row>
1164    <row>
1165      <entry>22.3.3</entry>
1166      <entry>Convenience interfaces</entry>
1167      <entry/>
1168      <entry/>
1169    </row>
1170    <row>
1171      <entry>22.3.3.1</entry>
1172      <entry>Character classification</entry>
1173      <entry>Y</entry>
1174      <entry/>
1175    </row>
1176    <row>
1177      <entry>22.3.3.2</entry>
1178      <entry>Conversions</entry>
1179      <entry/>
1180      <entry/>
1181    </row>
1182    <row>
1183      <entry>22.3.3.2.1</entry>
1184      <entry>Character conversions</entry>
1185      <entry>Y</entry>
1186      <entry/>
1187    </row>
1188    <row>
1189      <entry>22.3.3.2.2</entry>
1190      <entry><code>string</code> conversions</entry>
1191      <entry>Y</entry>
1192      <entry/>
1193    </row>
1194    <row>
1195      <entry>22.3.3.2.3</entry>
1196      <entry>Buffer conversions</entry>
1197      <entry>Y</entry>
1198      <entry/>
1199    </row>
1200    <row>
1201      <entry>22.4</entry>
1202      <entry>Standard <code>locale</code> categories</entry>
1203      <entry/>
1204      <entry/>
1205    </row>
1206    <row>
1207      <entry>22.4.1</entry>
1208      <entry>The <code>ctype</code> category</entry>
1209      <entry>Y</entry>
1210      <entry/>
1211    </row>
1212    <row>
1213      <entry>22.4.2</entry>
1214      <entry>The numeric category</entry>
1215      <entry/>
1216      <entry/>
1217    </row>
1218    <row>
1219      <entry>22.4.2.1</entry>
1220      <entry><code>num_get</code></entry>
1221      <entry>Y</entry>
1222      <entry/>
1223    </row>
1224    <row>
1225      <entry>22.4.2.2</entry>
1226      <entry><code>num_put</code></entry>
1227      <entry>Y</entry>
1228      <entry/>
1229    </row>
1230    <row>
1231      <entry>22.4.3</entry>
1232      <entry>The numeric punctuation facet</entry>
1233      <entry>Y</entry>
1234      <entry/>
1235    </row>
1236    <row>
1237      <entry>22.4.4</entry>
1238      <entry>The collate category</entry>
1239      <entry>Y</entry>
1240      <entry/>
1241    </row>
1242    <row>
1243      <entry>22.4.5</entry>
1244      <entry>The time category</entry>
1245      <entry/>
1246      <entry/>
1247    </row>
1248    <row>
1249      <entry>22.4.5.1</entry>
1250      <entry>Class template <code>time_get</code></entry>
1251      <entry>Y</entry>
1252      <entry/>
1253    </row>
1254    <row>
1255      <entry>22.4.5.2</entry>
1256      <entry>Class template <code>time_get_byname</code></entry>
1257      <entry>Y</entry>
1258      <entry/>
1259    </row>
1260    <row>
1261      <entry>22.4.5.3</entry>
1262      <entry>Class template <code>time_put</code></entry>
1263      <entry>Y</entry>
1264      <entry/>
1265    </row>
1266    <row>
1267      <entry>22.4.5.3</entry>
1268      <entry>Class template <code>time_put_byname</code></entry>
1269      <entry>Y</entry>
1270      <entry/>
1271    </row>
1272    <row>
1273      <entry>22.4.6</entry>
1274      <entry>The monetary category</entry>
1275      <entry/>
1276      <entry/>
1277    </row>
1278    <row>
1279      <entry>22.4.6.1</entry>
1280      <entry>Class template <code>money_get</code></entry>
1281      <entry>Y</entry>
1282      <entry/>
1283    </row>
1284    <row>
1285      <entry>22.4.6.2</entry>
1286      <entry>Class template <code>money_put</code></entry>
1287      <entry>Y</entry>
1288      <entry/>
1289    </row>
1290    <row>
1291      <entry>22.4.6.3</entry>
1292      <entry>Class template <code>money_punct</code></entry>
1293      <entry>Y</entry>
1294      <entry/>
1295    </row>
1296    <row>
1297      <entry>22.4.6.4</entry>
1298      <entry>Class template <code>money_punct_byname</code></entry>
1299      <entry>Y</entry>
1300      <entry/>
1301    </row>
1302    <row>
1303      <entry>22.4.7</entry>
1304      <entry>The message retrieval category</entry>
1305      <entry>Y</entry>
1306      <entry/>
1307    </row>
1308    <row>
1309      <entry>22.4.8</entry>
1310      <entry>Program-defined facets</entry>
1311      <entry>Y</entry>
1312      <entry/>
1313    </row>
1314    <row>
1315      <entry>22.5</entry>
1316      <entry>Standard code conversion facets</entry>
1317      <entry>Y</entry>
1318      <entry/>
1319    </row>
1320    <row>
1321      <entry>22.6</entry>
1322      <entry>C Library Locales</entry>
1323      <entry>Y</entry>
1324      <entry/>
1325    </row>
1326    <row>
1327      <entry>
1328	<emphasis>23</emphasis>
1329      </entry>
1330      <entry namest="c2" nameend="c4" align="left">
1331	<emphasis>Containers</emphasis>
1332      </entry>
1333    </row>
1334    <row>
1335      <entry>23.1</entry>
1336      <entry>General</entry>
1337      <entry/>
1338      <entry/>
1339    </row>
1340    <row>
1341      <entry>23.2</entry>
1342      <entry>Container requirements</entry>
1343      <entry/>
1344      <entry/>
1345    </row>
1346    <row>
1347      <entry>23.2.1</entry>
1348      <entry>General container requirements</entry>
1349      <entry>Y</entry>
1350      <entry/>
1351    </row>
1352    <row>
1353      <entry>23.2.2</entry>
1354      <entry>Container data races</entry>
1355      <entry>Y</entry>
1356      <entry/>
1357    </row>
1358    <row>
1359      <entry>23.2.3</entry>
1360      <entry>Sequence containers</entry>
1361      <entry>Y</entry>
1362      <entry/>
1363    </row>
1364    <row>
1365      <entry>23.2.4</entry>
1366      <entry>Associative containers</entry>
1367      <entry>Y</entry>
1368      <entry/>
1369    </row>
1370    <row>
1371      <entry>23.2.5</entry>
1372      <entry>Unordered associative containers</entry>
1373      <entry>Y</entry>
1374      <entry/>
1375    </row>
1376    <row>
1377      <entry>23.3</entry>
1378      <entry>Sequence containers</entry>
1379      <entry/>
1380      <entry/>
1381    </row>
1382    <row>
1383      <entry>23.3.2</entry>
1384      <entry>Class template <code>array</code></entry>
1385      <entry>Y</entry>
1386      <entry/>
1387    </row>
1388    <row>
1389      <entry>23.3.3</entry>
1390      <entry>Class template <code>deque</code></entry>
1391      <entry>Y</entry>
1392      <entry/>
1393    </row>
1394    <row>
1395      <entry>23.3.4</entry>
1396      <entry>Class template <code>forward_list</code></entry>
1397      <entry>Y</entry>
1398      <entry/>
1399    </row>
1400    <row>
1401      <entry>23.3.5</entry>
1402      <entry>Class template <code>list</code></entry>
1403      <entry>Y</entry>
1404      <entry/>
1405    </row>
1406    <row>
1407      <entry>23.3.6</entry>
1408      <entry>Class template <code>vector</code></entry>
1409      <entry>Y</entry>
1410      <entry/>
1411    </row>
1412    <row>
1413      <entry>23.3.7</entry>
1414      <entry>Class <code>vector&lt;bool&gt;</code></entry>
1415      <entry>Y</entry>
1416      <entry/>
1417    </row>
1418    <row>
1419      <entry>23.4</entry>
1420      <entry>Associative containers</entry>
1421      <entry/>
1422      <entry/>
1423    </row>
1424    <row>
1425      <entry>23.4.4</entry>
1426      <entry>Class template <code>map</code></entry>
1427      <entry>Y</entry>
1428      <entry/>
1429    </row>
1430    <row>
1431      <entry>23.4.5</entry>
1432      <entry>Class template <code>multimap</code></entry>
1433      <entry>Y</entry>
1434      <entry/>
1435    </row>
1436    <row>
1437      <entry>23.4.6</entry>
1438      <entry>Class template <code>set</code></entry>
1439      <entry>Y</entry>
1440      <entry/>
1441    </row>
1442    <row>
1443      <entry>23.4.7</entry>
1444      <entry>Class template <code>multiset</code></entry>
1445      <entry>Y</entry>
1446      <entry/>
1447    </row>
1448    <row>
1449      <entry>23.5</entry>
1450      <entry>Unordered associative containers</entry>
1451      <entry/>
1452      <entry/>
1453    </row>
1454    <row>
1455      <entry>23.5.4</entry>
1456      <entry>Class template <code>unordered_map</code></entry>
1457      <entry>Y</entry>
1458      <entry/>
1459    </row>
1460    <row>
1461      <entry>23.5.5</entry>
1462      <entry>Class template <code>unordered_multimap</code></entry>
1463      <entry>Y</entry>
1464      <entry/>
1465    </row>
1466    <row>
1467      <entry>23.5.6</entry>
1468      <entry>Class template <code>unordered_set</code></entry>
1469      <entry>Y</entry>
1470      <entry/>
1471    </row>
1472    <row>
1473      <entry>23.5.7</entry>
1474      <entry>Class template <code>unordered_multiset</code></entry>
1475      <entry>Y</entry>
1476      <entry/>
1477    </row>
1478    <row>
1479      <entry>23.6</entry>
1480      <entry>Container adaptors</entry>
1481      <entry/>
1482      <entry/>
1483    </row>
1484    <row>
1485      <entry>23.6.1</entry>
1486      <entry>Class template <code>queue</code></entry>
1487      <entry>Y</entry>
1488      <entry/>
1489    </row>
1490    <row>
1491      <entry>23.6.2</entry>
1492      <entry>Class template <code>priority_queue</code></entry>
1493      <entry>Y</entry>
1494      <entry/>
1495    </row>
1496    <row>
1497      <entry>23.6.3</entry>
1498      <entry>Class template <code>stack</code></entry>
1499      <entry>Y</entry>
1500      <entry/>
1501    </row>
1502    <row>
1503      <entry>
1504	<emphasis>24</emphasis>
1505      </entry>
1506      <entry namest="c2" nameend="c4" align="left">
1507	<emphasis>Iterators</emphasis>
1508      </entry>
1509    </row>
1510    <row>
1511      <entry>24.1</entry>
1512      <entry>General</entry>
1513      <entry>Y</entry>
1514      <entry/>
1515    </row>
1516    <row>
1517      <entry>24.2</entry>
1518      <entry>Iterator requirements</entry>
1519      <entry>Y</entry>
1520      <entry/>
1521    </row>
1522    <row>
1523      <entry>24.3</entry>
1524      <entry>Header <code>&lt;iterator&gt;</code> synopsis</entry>
1525      <entry>Y</entry>
1526      <entry/>
1527    </row>
1528    <row>
1529      <entry>24.4</entry>
1530      <entry>Iterator primitives</entry>
1531      <entry>Y</entry>
1532      <entry/>
1533    </row>
1534    <row>
1535      <entry>24.5</entry>
1536      <entry>Iterator adaptors</entry>
1537      <entry/>
1538      <entry/>
1539    </row>
1540    <row>
1541      <entry>24.5.1</entry>
1542      <entry>Reverse iterators</entry>
1543      <entry>Y</entry>
1544      <entry/>
1545    </row>
1546    <row>
1547      <entry>24.5.2</entry>
1548      <entry>Insert iterators</entry>
1549      <entry>Y</entry>
1550      <entry/>
1551    </row>
1552    <row>
1553      <entry>24.5.3</entry>
1554      <entry>Move iterators</entry>
1555      <entry>Y</entry>
1556      <entry/>
1557    </row>
1558    <row>
1559      <entry>24.6</entry>
1560      <entry>Stream iterators</entry>
1561      <entry/>
1562      <entry/>
1563    </row>
1564    <row>
1565      <entry>24.6.1</entry>
1566      <entry>Class template <code>istream_iterator</code></entry>
1567      <entry>Y</entry>
1568      <entry/>
1569    </row>
1570    <row>
1571      <entry>24.6.2</entry>
1572      <entry>Class template <code>ostream_iterator</code></entry>
1573      <entry>Y</entry>
1574      <entry/>
1575    </row>
1576    <row>
1577      <entry>24.6.3</entry>
1578      <entry>Class template <code>istreambuf_iterator</code></entry>
1579      <entry>Y</entry>
1580      <entry/>
1581    </row>
1582    <row>
1583      <entry>24.6.4</entry>
1584      <entry>Class template <code>ostreambuf_iterator</code></entry>
1585      <entry>Y</entry>
1586      <entry/>
1587    </row>
1588    <row>
1589      <entry>24.6.5</entry>
1590      <entry>range access</entry>
1591      <entry>Y</entry>
1592      <entry/>
1593    </row>
1594    <row>
1595      <entry>
1596	<emphasis>25</emphasis>
1597      </entry>
1598      <entry namest="c2" nameend="c4" align="left">
1599	<emphasis>Algorithms</emphasis>
1600      </entry>
1601    </row>
1602    <row>
1603      <entry>25.1</entry>
1604      <entry>General</entry>
1605      <entry/>
1606      <entry/>
1607    </row>
1608    <row>
1609      <entry>25.2</entry>
1610      <entry>Non-modifying sequence operations</entry>
1611      <entry>Y</entry>
1612      <entry/>
1613    </row>
1614    <row>
1615      <entry>25.3</entry>
1616      <entry>Mutating sequence operations</entry>
1617      <entry>Y</entry>
1618      <entry/>
1619    </row>
1620    <row>
1621      <entry>25.4</entry>
1622      <entry>Sorting and related operations</entry>
1623      <entry>Y</entry>
1624      <entry/>
1625    </row>
1626    <row>
1627      <entry>25.5</entry>
1628      <entry>C library algorithms</entry>
1629      <entry>Y</entry>
1630      <entry/>
1631    </row>
1632    <row>
1633      <entry>
1634      <emphasis>26</emphasis>
1635      </entry>
1636      <entry namest="c2" nameend="c4" align="left">
1637	<emphasis>Numerics</emphasis>
1638      </entry>
1639    </row>
1640    <row>
1641      <entry>26.1</entry>
1642      <entry>General</entry>
1643      <entry/>
1644      <entry/>
1645    </row>
1646    <row>
1647      <entry>26.2</entry>
1648      <entry>Numeric type requirements</entry>
1649      <entry>Y</entry>
1650      <entry/>
1651    </row>
1652    <row>
1653      <entry>26.3</entry>
1654      <entry>The floating-point environment</entry>
1655      <entry>Y</entry>
1656      <entry/>
1657    </row>
1658    <row>
1659      <entry>26.4</entry>
1660      <entry>Complex numbers</entry>
1661      <entry>Y</entry>
1662      <entry/>
1663    </row>
1664    <row>
1665      <entry>26.5</entry>
1666      <entry>Random number generation</entry>
1667      <entry/>
1668      <entry/>
1669    </row>
1670    <row>
1671      <entry>26.5.1</entry>
1672      <entry>Requirements</entry>
1673      <entry/>
1674      <entry/>
1675    </row>
1676    <row>
1677      <entry>26.5.2</entry>
1678      <entry>Header <code>&lt;random&gt;</code> synopsis</entry>
1679      <entry/>
1680      <entry/>
1681    </row>
1682    <row>
1683      <entry>26.5.3</entry>
1684      <entry>Random number engine class templates</entry>
1685      <entry/>
1686      <entry/>
1687    </row>
1688    <row>
1689      <entry>26.5.3.1</entry>
1690      <entry>Class template <code>linear_congruential_engine</code></entry>
1691      <entry>Y</entry>
1692      <entry/>
1693    </row>
1694    <row>
1695      <entry>26.5.3.2</entry>
1696      <entry>Class template <code>mersenne_twister_engine</code></entry>
1697      <entry>Y</entry>
1698      <entry/>
1699    </row>
1700    <row>
1701      <entry>26.5.3.3</entry>
1702      <entry>Class template <code>subtract_with_carry_engine</code></entry>
1703      <entry>Y</entry>
1704      <entry/>
1705    </row>
1706    <row>
1707      <entry>26.5.4</entry>
1708      <entry>Random number engine adaptor class templates</entry>
1709      <entry/>
1710      <entry/>
1711    </row>
1712    <row>
1713      <entry>26.5.4.2</entry>
1714      <entry>Class template <code>discard_block_engine</code></entry>
1715      <entry>Y</entry>
1716      <entry/>
1717    </row>
1718    <row>
1719      <entry>26.5.4.3</entry>
1720      <entry>Class template <code>independent_bits_engine</code></entry>
1721      <entry>Y</entry>
1722      <entry/>
1723    </row>
1724    <row>
1725      <entry>26.5.4.4</entry>
1726      <entry>Class template <code>shuffle_order_engine</code></entry>
1727      <entry>Y</entry>
1728      <entry/>
1729    </row>
1730    <row>
1731      <entry>26.5.5</entry>
1732      <entry>Engines and engine adaptors with predefined parameters</entry>
1733      <entry>Y</entry>
1734      <entry/>
1735    </row>
1736    <row>
1737      <entry>26.5.6</entry>
1738      <entry>Class <code>random_device</code></entry>
1739      <entry>Y</entry>
1740      <entry/>
1741    </row>
1742    <row>
1743      <entry>26.5.7</entry>
1744      <entry>Utilities</entry>
1745      <entry/>
1746      <entry/>
1747    </row>
1748    <row>
1749      <entry>26.5.7.1</entry>
1750      <entry>Class <code>seed_seq</code></entry>
1751      <entry>Y</entry>
1752      <entry/>
1753    </row>
1754    <row>
1755      <entry>26.5.7.2</entry>
1756      <entry>Function template <code>generate_canonical</code></entry>
1757      <entry>Y</entry>
1758      <entry/>
1759    </row>
1760    <row>
1761      <entry>26.5.8</entry>
1762      <entry>Random number distribution class templates</entry>
1763      <entry/>
1764      <entry/>
1765    </row>
1766    <row>
1767      <entry>26.5.8.2</entry>
1768      <entry>Uniform distributions</entry>
1769      <entry/>
1770      <entry/>
1771    </row>
1772    <row>
1773      <entry>26.5.8.2.1</entry>
1774      <entry>Class template <code>uniform_int_distribution</code></entry>
1775      <entry>Y</entry>
1776      <entry/>
1777    </row>
1778    <row>
1779      <entry>26.5.8.2.2</entry>
1780      <entry>Class template <code>uniform_real_distribution</code></entry>
1781      <entry>Y</entry>
1782      <entry/>
1783    </row>
1784    <row>
1785      <entry>26.5.8.3</entry>
1786      <entry>Bernoulli distributions</entry>
1787      <entry/>
1788      <entry/>
1789    </row>
1790    <row>
1791      <entry>26.5.8.3.1</entry>
1792      <entry>Class <code>bernoulli_distribution</code></entry>
1793      <entry>Y</entry>
1794      <entry/>
1795    </row>
1796    <row>
1797      <entry>26.5.8.3.2</entry>
1798      <entry>Class template <code>binomial_distribution</code></entry>
1799      <entry>Y</entry>
1800      <entry/>
1801    </row>
1802    <row>
1803      <entry>26.5.8.3.3</entry>
1804      <entry>Class template <code>geometric_distribution</code></entry>
1805      <entry>Y</entry>
1806      <entry/>
1807    </row>
1808    <row>
1809      <entry>26.5.8.3.4</entry>
1810      <entry>Class template <code>negative_binomial_distribution</code></entry>
1811      <entry>Y</entry>
1812      <entry/>
1813    </row>
1814    <row>
1815      <entry>26.5.8.4</entry>
1816      <entry>Poisson distributions</entry>
1817      <entry/>
1818      <entry/>
1819    </row>
1820    <row>
1821      <entry>26.5.8.4.1</entry>
1822      <entry>Class template <code>poisson_distribution</code></entry>
1823      <entry>Y</entry>
1824      <entry/>
1825    </row>
1826    <row>
1827      <entry>26.5.8.4.2</entry>
1828      <entry>Class template <code>exponential_distribution</code></entry>
1829      <entry>Y</entry>
1830      <entry/>
1831    </row>
1832    <row>
1833      <entry>26.5.8.4.3</entry>
1834      <entry>Class template <code>gamma_distribution</code></entry>
1835      <entry>Y</entry>
1836      <entry/>
1837    </row>
1838    <row>
1839      <entry>26.5.8.4.4</entry>
1840      <entry>Class template <code>weibull_distribution</code></entry>
1841      <entry>Y</entry>
1842      <entry/>
1843    </row>
1844    <row>
1845      <entry>26.5.8.4.5</entry>
1846      <entry>Class template <code>extreme_value_distribution</code></entry>
1847      <entry>Y</entry>
1848      <entry/>
1849    </row>
1850    <row>
1851      <entry>26.5.8.5</entry>
1852      <entry>Normal distributions</entry>
1853      <entry/>
1854      <entry/>
1855    </row>
1856    <row>
1857      <entry>26.5.8.5.1</entry>
1858      <entry>Class template <code>normal_distribution</code></entry>
1859      <entry>Y</entry>
1860      <entry/>
1861    </row>
1862    <row>
1863      <entry>26.5.8.5.2</entry>
1864      <entry>Class template <code>lognormal_distribution</code></entry>
1865      <entry>Y</entry>
1866      <entry/>
1867    </row>
1868    <row>
1869      <entry>26.5.8.5.3</entry>
1870      <entry>Class template <code>chi_squared_distribution</code></entry>
1871      <entry>Y</entry>
1872      <entry/>
1873    </row>
1874    <row>
1875      <entry>26.5.8.5.4</entry>
1876      <entry>Class template <code>cauchy_distribution</code></entry>
1877      <entry>Y</entry>
1878      <entry/>
1879    </row>
1880    <row>
1881      <entry>26.5.8.5.5</entry>
1882      <entry>Class template <code>fisher_f_distribution</code></entry>
1883      <entry>Y</entry>
1884      <entry/>
1885    </row>
1886    <row>
1887      <entry>26.5.8.5.6</entry>
1888      <entry>Class template <code>student_t_distribution</code></entry>
1889      <entry>Y</entry>
1890      <entry/>
1891    </row>
1892    <row>
1893      <entry>26.5.8.6</entry>
1894      <entry>Sampling distributions</entry>
1895      <entry/>
1896      <entry/>
1897    </row>
1898    <row>
1899      <entry>26.5.8.6.1</entry>
1900      <entry>Class template <code>discrete_distribution</code></entry>
1901      <entry>Y</entry>
1902      <entry/>
1903    </row>
1904    <row>
1905      <entry>26.5.8.6.2</entry>
1906      <entry>Class template <code>piecewise_constant_distribution</code></entry>
1907      <entry>Y</entry>
1908      <entry/>
1909    </row>
1910    <row>
1911      <entry>26.5.8.6.3</entry>
1912      <entry>Class template <code>piecewise_linear_distribution</code></entry>
1913      <entry>Y</entry>
1914      <entry/>
1915    </row>
1916    <row>
1917      <entry>26.6</entry>
1918      <entry>Numeric arrays</entry>
1919      <entry/>
1920      <entry/>
1921    </row>
1922    <row>
1923      <entry>26.6.1</entry>
1924      <entry>Header <code>&lt;valarray&gt;</code> synopsis</entry>
1925      <entry>Y</entry>
1926      <entry/>
1927    </row>
1928    <row>
1929      <entry>26.6.2</entry>
1930      <entry>Class template <code>valarray</code></entry>
1931      <entry>Y</entry>
1932      <entry/>
1933    </row>
1934    <row>
1935      <entry>26.6.3</entry>
1936      <entry><code>valarray</code> non-member operations</entry>
1937      <entry>Y</entry>
1938      <entry/>
1939    </row>
1940    <row>
1941      <entry>26.6.4</entry>
1942      <entry>Class <code>slice</code></entry>
1943      <entry>Y</entry>
1944      <entry/>
1945    </row>
1946    <row>
1947      <entry>26.6.5</entry>
1948      <entry>Class template <code>slice_array</code></entry>
1949      <entry>Y</entry>
1950      <entry/>
1951    </row>
1952    <row>
1953      <entry>26.6.6</entry>
1954      <entry>The <code>gslice</code> class</entry>
1955      <entry>Y</entry>
1956      <entry/>
1957    </row>
1958    <row>
1959      <entry>26.6.7</entry>
1960      <entry>Class template <code>gslice_array</code></entry>
1961      <entry>Y</entry>
1962      <entry/>
1963    </row>
1964    <row>
1965      <entry>26.6.8</entry>
1966      <entry>Class template <code>mask_array</code></entry>
1967      <entry>Y</entry>
1968      <entry/>
1969    </row>
1970    <row>
1971      <entry>26.6.9</entry>
1972      <entry>Class template <code>indirect_array</code></entry>
1973      <entry>Y</entry>
1974      <entry/>
1975    </row>
1976    <row>
1977      <entry>26.6.10</entry>
1978      <entry><code>valarray</code> range access</entry>
1979      <entry>Y</entry>
1980      <entry/>
1981    </row>
1982    <row>
1983      <entry>26.7</entry>
1984      <entry>Generalized numeric operations</entry>
1985      <entry/>
1986      <entry/>
1987    </row>
1988    <row>
1989      <entry>26.7.1</entry>
1990      <entry>Header <code>&lt;numeric&gt;</code> synopsis</entry>
1991      <entry>Y</entry>
1992      <entry/>
1993    </row>
1994    <row>
1995      <entry>26.7.2</entry>
1996      <entry>Accumulate></entry>
1997      <entry>Y</entry>
1998      <entry/>
1999    </row>
2000    <row>
2001      <entry>26.7.3</entry>
2002      <entry>Inner product</entry>
2003      <entry>Y</entry>
2004      <entry/>
2005    </row>
2006    <row>
2007      <entry>26.7.4</entry>
2008      <entry>Partial sum</entry>
2009      <entry>Y</entry>
2010      <entry/>
2011    </row>
2012    <row>
2013      <entry>26.7.5</entry>
2014      <entry>Adjacent difference</entry>
2015      <entry>Y</entry>
2016      <entry/>
2017    </row>
2018    <row>
2019      <entry>26.7.6</entry>
2020      <entry>Iota</entry>
2021      <entry>Y</entry>
2022      <entry/>
2023    </row>
2024    <row>
2025      <entry>26.8</entry>
2026      <entry>C Library</entry>
2027      <entry>Y</entry>
2028      <entry/>
2029    </row>
2030    <row>
2031      <entry>
2032	<emphasis>27</emphasis>
2033      </entry>
2034      <entry namest="c2" nameend="c4" align="left">
2035	<emphasis>Input/output library</emphasis>
2036      </entry>
2037    </row>
2038    <row>
2039      <entry>27.1</entry>
2040      <entry>General</entry>
2041      <entry>Y</entry>
2042      <entry/>
2043    </row>
2044    <row>
2045      <entry>27.2</entry>
2046      <entry>Iostreams requirements</entry>
2047      <entry>Y</entry>
2048      <entry/>
2049    </row>
2050    <row>
2051      <entry>27.2.1</entry>
2052      <entry>Imbue Limitations</entry>
2053      <entry>Y</entry>
2054      <entry/>
2055    </row>
2056    <row>
2057      <entry>27.2.2</entry>
2058      <entry>Positioning Type Limitations</entry>
2059      <entry>Y</entry>
2060      <entry/>
2061    </row>
2062    <row>
2063      <?dbhtml bgcolor="#B0B0B0" ?>
2064      <entry>27.2.3</entry>
2065      <entry>Thread safety</entry>
2066      <entry>Partial</entry>
2067      <entry/>
2068    </row>
2069    <row>
2070      <entry>27.3</entry>
2071      <entry>Forward declarations</entry>
2072      <entry>Y</entry>
2073      <entry/>
2074    </row>
2075    <row>
2076      <entry>27.4</entry>
2077      <entry>Standard iostream objects</entry>
2078      <entry>Y</entry>
2079      <entry/>
2080    </row>
2081    <row>
2082      <entry>27.4.1</entry>
2083      <entry>Overview</entry>
2084      <entry>Y</entry>
2085      <entry/>
2086    </row>
2087    <row>
2088      <entry>27.4.2</entry>
2089      <entry>Narrow stream objects</entry>
2090      <entry>Y</entry>
2091      <entry/>
2092    </row>
2093    <row>
2094      <entry>27.4.3</entry>
2095      <entry>Wide stream objects</entry>
2096      <entry>Y</entry>
2097      <entry/>
2098    </row>
2099    <row>
2100      <entry>27.5</entry>
2101      <entry>Iostreams base classes</entry>
2102      <entry>Y</entry>
2103      <entry/>
2104    </row>
2105    <row>
2106      <entry>27.6</entry>
2107      <entry>Stream buffers</entry>
2108      <entry>Y</entry>
2109      <entry/>
2110    </row>
2111    <row>
2112      <entry>27.7</entry>
2113      <entry>Formatting and manipulators</entry>
2114      <entry>Y</entry>
2115      <entry/>
2116    </row>
2117    <row>
2118      <entry>27.8</entry>
2119      <entry>String-based streams</entry>
2120      <entry>Y</entry>
2121      <entry/>
2122    </row>
2123    <row>
2124      <entry>27.9</entry>
2125      <entry>File-based streams</entry>
2126      <entry>Y</entry>
2127      <entry/>
2128    </row>
2129    <row>
2130      <entry>
2131	<emphasis>28</emphasis>
2132      </entry>
2133      <entry namest="c2" nameend="c4" align="left">
2134	<emphasis>Regular expressions</emphasis>
2135      </entry>
2136    </row>
2137    <row>
2138      <entry>28.1</entry>
2139      <entry>General</entry>
2140      <entry>Y</entry>
2141      <entry/>
2142    </row>
2143    <row>
2144      <entry>28.2</entry>
2145      <entry>Definitions</entry>
2146      <entry>Y</entry>
2147      <entry/>
2148    </row>
2149    <row>
2150      <entry>28.3</entry>
2151      <entry>Requirements</entry>
2152      <entry>Y</entry>
2153      <entry/>
2154    </row>
2155    <row>
2156      <entry>28.4</entry>
2157      <entry>Header <code>&lt;regex&gt;</code> synopsis</entry>
2158      <entry>Y</entry>
2159      <entry/>
2160    </row>
2161    <row>
2162      <entry>28.5</entry>
2163      <entry>Namespace <code>std::regex_constants</code></entry>
2164      <entry>Y</entry>
2165      <entry/>
2166    </row>
2167    <row>
2168      <entry>28.6</entry>
2169      <entry>Class <code>regex_error</code></entry>
2170      <entry>Y</entry>
2171      <entry/>
2172    </row>
2173    <row>
2174      <?dbhtml bgcolor="#B0B0B0" ?>
2175      <entry>28.7</entry>
2176      <entry>Class template <code>regex_traits</code></entry>
2177      <entry>Partial</entry>
2178      <entry><code>transform_primary</code> is not correctly implemented</entry>
2179      <entry/>
2180    </row>
2181    <row>
2182      <entry>28.8</entry>
2183      <entry>Class template <code>basic_regex</code></entry>
2184      <entry>Y</entry>
2185      <entry/>
2186    </row>
2187    <row>
2188      <entry>28.9</entry>
2189      <entry>Class template <code>sub_match</code></entry>
2190      <entry>Y</entry>
2191      <entry/>
2192    </row>
2193    <row>
2194      <entry>28.10</entry>
2195      <entry>Class template <code>match_results</code></entry>
2196      <entry>Y</entry>
2197      <entry/>
2198    </row>
2199    <row>
2200      <entry>28.11</entry>
2201      <entry>Regular expression algorithms</entry>
2202      <entry>Y</entry>
2203      <entry/>
2204    </row>
2205    <row>
2206      <entry>28.12</entry>
2207      <entry>Regular expression Iterators</entry>
2208      <entry>Y</entry>
2209      <entry/>
2210    </row>
2211    <row>
2212      <entry>28.13</entry>
2213      <entry>Modified ECMAScript regular expression grammar</entry>
2214      <entry>Y</entry>
2215      <entry/>
2216    </row>
2217    <row>
2218      <entry>
2219	<emphasis>29</emphasis>
2220      </entry>
2221      <entry namest="c2" nameend="c4" align="left">
2222	<emphasis>Atomic operations</emphasis>
2223      </entry>
2224    </row>
2225    <row>
2226      <entry>29.1</entry>
2227      <entry>General</entry>
2228      <entry>Y</entry>
2229      <entry/>
2230    </row>
2231    <row>
2232      <entry>29.2</entry>
2233      <entry>Header <code>&lt;atomic&gt;</code> synopsis</entry>
2234      <entry>Y</entry>
2235      <entry/>
2236    </row>
2237    <row>
2238      <entry>29.3</entry>
2239      <entry>Order and consistency</entry>
2240      <entry>Y</entry>
2241      <entry/>
2242    </row>
2243    <row>
2244      <entry>29.4</entry>
2245      <entry>Lock-free property</entry>
2246      <entry>Y</entry>
2247      <entry/>
2248    </row>
2249    <row>
2250      <entry>29.5</entry>
2251      <entry>Atomic types</entry>
2252      <entry>Y</entry>
2253      <entry/>
2254    </row>
2255    <row>
2256      <entry>29.6</entry>
2257      <entry>Operations on atomic types</entry>
2258      <entry>Y</entry>
2259      <entry/>
2260    </row>
2261    <row>
2262      <entry>29.7</entry>
2263      <entry>Flag Type and operations</entry>
2264      <entry>Y</entry>
2265      <entry/>
2266    </row>
2267    <row>
2268      <entry>29.8</entry>
2269      <entry>Fences</entry>
2270      <entry>Y</entry>
2271      <entry/>
2272    </row>
2273    <row>
2274      <entry>
2275	<emphasis>30</emphasis>
2276      </entry>
2277      <entry namest="c2" nameend="c4" align="left">
2278	<emphasis>Thread support</emphasis>
2279      </entry>
2280    </row>
2281    <row>
2282      <entry>30.1</entry>
2283      <entry>General</entry>
2284      <entry>Y</entry>
2285      <entry/>
2286    </row>
2287    <row>
2288      <entry>30.2</entry>
2289      <entry>Requirements</entry>
2290      <entry>Y</entry>
2291      <entry/>
2292    </row>
2293    <row>
2294      <entry>30.3</entry>
2295      <entry>Threads</entry>
2296      <entry/>
2297      <entry/>
2298    </row>
2299    <row>
2300      <?dbhtml bgcolor="#B0B0B0" ?>
2301      <entry>30.3.1</entry>
2302      <entry>Class <code>thread</code></entry>
2303      <entry>Partial</entry>
2304      <entry><code>thread::id</code> comparisons not well-defined</entry>
2305    </row>
2306    <row>
2307      <entry>30.3.2</entry>
2308      <entry>Namespace <code>this_thread</code></entry>
2309      <entry>Y</entry>
2310      <entry/>
2311    </row>
2312    <row>
2313      <entry>30.4</entry>
2314      <entry>Mutual exclusion</entry>
2315      <entry/>
2316      <entry/>
2317    </row>
2318    <row>
2319      <entry>30.4.1</entry>
2320      <entry>Mutex requirements</entry>
2321      <entry/>
2322      <entry/>
2323    </row>
2324    <row>
2325      <entry>30.4.1.1</entry>
2326      <entry>In general</entry>
2327      <entry/>
2328      <entry/>
2329    </row>
2330    <row>
2331      <entry>30.4.1.2</entry>
2332      <entry>Mutex types</entry>
2333      <entry/>
2334      <entry/>
2335    </row>
2336    <row>
2337      <entry>30.4.1.2.1</entry>
2338      <entry>Class <code>mutex</code></entry>
2339      <entry>Y</entry>
2340      <entry/>
2341    </row>
2342    <row>
2343      <entry>30.4.1.2.2</entry>
2344      <entry>Class <code>recursive_mutex</code></entry>
2345      <entry>Y</entry>
2346      <entry/>
2347    </row>
2348    <row>
2349      <entry>30.4.1.3</entry>
2350      <entry>Timed mutex types</entry>
2351      <entry/>
2352      <entry/>
2353    </row>
2354    <row>
2355      <entry>30.4.1.3.1</entry>
2356      <entry>Class <code>timed_mutex</code></entry>
2357      <entry>Y</entry>
2358      <entry/>
2359    </row>
2360    <row>
2361      <entry>30.4.1.3.2</entry>
2362      <entry>Class <code>recursive_timed_mutex</code></entry>
2363      <entry>Y</entry>
2364      <entry/>
2365    </row>
2366    <row>
2367      <entry>30.4.2</entry>
2368      <entry>Locks</entry>
2369      <entry/>
2370      <entry/>
2371    </row>
2372    <row>
2373      <entry>30.4.2.1</entry>
2374      <entry>Class template <code>lock_guard</code></entry>
2375      <entry>Y</entry>
2376      <entry/>
2377    </row>
2378    <row>
2379      <entry>30.4.2.2</entry>
2380      <entry>Class template <code>unique_lock</code></entry>
2381      <entry>Y</entry>
2382      <entry/>
2383    </row>
2384    <row>
2385      <entry>30.4.3</entry>
2386      <entry>Generic locking algorithms</entry>
2387      <entry>Y</entry>
2388      <entry/>
2389    </row>
2390    <row>
2391      <entry>30.4.4</entry>
2392      <entry>Call once</entry>
2393      <entry/>
2394      <entry/>
2395    </row>
2396    <row>
2397      <entry>30.4.4.1</entry>
2398      <entry>Struct <code>once_flag</code></entry>
2399      <entry>Y</entry>
2400      <entry/>
2401    </row>
2402    <row>
2403      <?dbhtml bgcolor="#B0B0B0" ?>
2404      <entry>30.4.4.2</entry>
2405      <entry>Function <code>call_once</code></entry>
2406      <entry>Broken</entry>
2407      <entry>See <link xmlns:xlink="http://www.w3.org/1999/xlink"
2408	xlink:href="https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66146">PR
2409	66146</link>
2410      </entry>
2411    </row>
2412    <row>
2413      <entry>30.5</entry>
2414      <entry>Condition variables</entry>
2415      <entry>Y</entry>
2416      <entry/>
2417    </row>
2418    <row>
2419      <entry>30.5.1</entry>
2420      <entry>Class <code>condition_variable</code></entry>
2421      <entry>Y</entry>
2422      <entry/>
2423    </row>
2424    <row>
2425      <entry>30.5.2</entry>
2426      <entry>Class <code>condition_variable_any</code></entry>
2427      <entry>Y</entry>
2428      <entry/>
2429    </row>
2430    <row>
2431      <entry>30.6</entry>
2432      <entry>Futures</entry>
2433      <entry/>
2434      <entry/>
2435    </row>
2436    <row>
2437      <entry>30.6.1</entry>
2438      <entry>Overview</entry>
2439      <entry/>
2440      <entry/>
2441    </row>
2442    <row>
2443      <entry>30.6.2</entry>
2444      <entry>Error handling</entry>
2445      <entry>Y</entry>
2446      <entry/>
2447    </row>
2448    <row>
2449      <entry>30.6.3</entry>
2450      <entry>Class <code>future_error</code></entry>
2451      <entry>Y</entry>
2452      <entry/>
2453    </row>
2454    <row>
2455      <entry>30.6.4</entry>
2456      <entry>Shared state</entry>
2457      <entry>Y</entry>
2458      <entry/>
2459    </row>
2460    <row>
2461      <entry>30.6.5</entry>
2462      <entry>Class template <code>promise</code></entry>
2463      <entry>Y</entry>
2464      <entry/>
2465    </row>
2466    <row>
2467      <entry>30.6.6</entry>
2468      <entry>Class template <code>future</code></entry>
2469      <entry>Y</entry>
2470      <entry/>
2471    </row>
2472    <row>
2473      <entry>30.6.7</entry>
2474      <entry>Class template <code>shared_future</code></entry>
2475      <entry>Y</entry>
2476      <entry/>
2477    </row>
2478    <row>
2479      <entry>30.6.8</entry>
2480      <entry>Function template <code>async</code></entry>
2481      <entry>Y</entry>
2482      <entry/>
2483    </row>
2484    <row>
2485      <entry>30.6.9</entry>
2486      <entry>Class template <code>packaged_task</code></entry>
2487      <entry>Y</entry>
2488      <entry/>
2489    </row>
2490    <row>
2491      <entry>
2492      	<emphasis>Appendix D</emphasis>
2493      </entry>
2494      <entry namest="c2" nameend="c4" align="left">
2495	<emphasis>Compatibility features</emphasis>
2496      </entry>
2497    </row>
2498    <row>
2499      <entry>D.1</entry>
2500      <entry>Increment operator with <code>bool</code> operand</entry>
2501      <entry/>
2502      <entry/>
2503    </row>
2504    <row>
2505      <entry>D.2</entry>
2506      <entry><code>register</code> keyword</entry>
2507      <entry/>
2508      <entry/>
2509    </row>
2510    <row>
2511      <entry>D.3</entry>
2512      <entry>Implicit declaration of copy functions</entry>
2513      <entry/>
2514      <entry/>
2515    </row>
2516    <row>
2517      <entry>D.4</entry>
2518      <entry>Dynamic exception specifications</entry>
2519      <entry/>
2520      <entry/>
2521    </row>
2522    <row>
2523      <entry>D.5</entry>
2524      <entry>C standard library headers</entry>
2525      <entry>Y</entry>
2526      <entry/>
2527    </row>
2528    <row>
2529      <entry>D.6</entry>
2530      <entry>Old iostreams members</entry>
2531      <entry>Y</entry>
2532      <entry/>
2533    </row>
2534    <row>
2535      <entry>D.7</entry>
2536      <entry><code>char*</code> streams</entry>
2537      <entry>Y</entry>
2538      <entry/>
2539    </row>
2540    <row>
2541      <entry>D.8</entry>
2542      <entry>Function objects</entry>
2543      <entry>Y</entry>
2544      <entry/>
2545    </row>
2546    <row>
2547      <entry>D.9</entry>
2548      <entry>Binders</entry>
2549      <entry>Y</entry>
2550      <entry/>
2551    </row>
2552    <row>
2553      <entry>D.10</entry>
2554      <entry><code>auto_ptr</code></entry>
2555      <entry>Y</entry>
2556      <entry/>
2557    </row>
2558    <row>
2559      <entry>D.11</entry>
2560      <entry>Violating exception-specifications</entry>
2561      <entry>Y</entry>
2562      <entry/>
2563    </row>
2564
2565  </tbody>
2566</tgroup>
2567</table>
2568
2569<section xml:id="iso.2011.specific" xreflabel="Implementation Specific"><info><title>Implementation Specific Behavior</title></info>
2570
2571   <para>For behaviour which is also specified by the 1998 and 2003 standards,
2572      see <link linkend="iso.1998.specific">C++ 1998/2003 Implementation
2573      Specific Behavior</link>. This section only documents behaviour which
2574      is new in the 2011 standard.
2575   </para>
2576
2577   <para>
2578      <emphasis>17.6.5.12 [res.on.exception.handling]</emphasis>
2579      There are no implementation-defined exception classes, only standard
2580      exception classes (or classes derived from them) will be thrown.
2581   </para>
2582
2583   <para>
2584      <emphasis>17.6.5.14 [value.error.codes]</emphasis>
2585      The <classname>error_category</classname> for errors originating outside
2586      the OS, and the possible error code values for each error category,
2587      should be documented here.
2588   </para>
2589
2590   <para>
2591      <emphasis>18.6.2.2 [new.badlength]</emphasis>
2592      <function>what()</function> returns
2593      <literal>"std::bad_array_new_length"</literal>.
2594   </para>
2595
2596   <para>
2597      <emphasis>20.6.9.1 [allocator.member]/5</emphasis>
2598      Over-aligned types are not supported by
2599      <classname>std::allocator</classname>.
2600   </para>
2601
2602   <para>
2603      <emphasis>20.7.2.2.1 [util.smartptr.shared.const]</emphasis>
2604      When a <classname>shared_ptr</classname> constructor fails
2605      <classname>bad_alloc</classname> (or types derived from it) will
2606      be thrown, or when an allocator is passed to the constructor then any
2607      exceptions thrown by the allocator.
2608   </para>
2609
2610   <para>
2611      <emphasis>20.7.2.0 [util.smartptr.weakptr]</emphasis>
2612      <code>what()</code> returns <literal>"bad_weak_ptr"</literal>.
2613   </para>
2614
2615   <para>
2616      <emphasis>20.8.9.1.3 [func.bind.place]/1</emphasis> There are 29
2617      placeholders defined and the placeholder types are
2618      <literal>CopyAssignable</literal>.
2619   </para>
2620
2621   <para>
2622      <emphasis>20.11.7.1 [time.clock.system]/3, /4</emphasis>
2623      Time point values are truncated to <code>time_t</code> values.
2624      There is no loss of precision for conversions in the other direction.
2625   </para>
2626
2627   <para>
2628      <emphasis>20.15.7 [meta.trans]/2</emphasis>
2629      <classname>aligned_storage</classname> does not support extended
2630      alignment.
2631   </para>
2632
2633   <para>
2634      <emphasis>21.2.3.2 [char.traits.specializations.char16_t]</emphasis>,
2635      <emphasis>21.2.3.3 [char.traits.specializations.char32_t]</emphasis>
2636      The types <classname>u16streampos</classname> and
2637      <classname>u32streampos</classname> are both synonyms for
2638      <classname>fpos&lt;mbstate_t&gt;</classname>.
2639      The function <function>eof</function> returns <code>int_type(-1)</code>.
2640      <function>char_traits&lt;char16_t&gt;::to_int_type</function> will
2641      transform the "noncharacter" U+FFFF to U+FFFD (REPLACEMENT CHARACTER).
2642      This is done to ensure that <function>to_int_type</function> never
2643      returns the same value as <function>eof</function>, which is U+FFFF.
2644   </para>
2645
2646   <para>
2647      <emphasis>22.3.1 [locale]</emphasis>
2648      There is one global locale for the whole program, not per-thread.
2649   </para>
2650
2651   <para>
2652      <emphasis>22.4.5.1.2 [locale.time.get.virtuals]</emphasis>,
2653      <emphasis>22.4.5.3.2 [locale.time.put.virtuals]</emphasis>
2654      Additional supported formats should be documented here.
2655   </para>
2656
2657   <para>
2658      <emphasis> 22.4.7.1.2 [locale.messages.virtuals]</emphasis>
2659      The mapping should be documented here.
2660   </para>
2661
2662   <para>
2663      <emphasis>23.3.2.1 [array.overview]</emphasis>
2664      <classname>array&lt;T, N&gt;::iterator</classname> is <code>T*</code> and
2665      <classname>array&lt;T, N&gt;::const_iterator</classname> is
2666      <code>const T*</code>.
2667   </para>
2668
2669   <para>
2670      <emphasis>23.5.4.2 [unord.map.cnstr]</emphasis>,
2671      <emphasis>23.5.5.2 [unord.multimap.cnstr]</emphasis>,
2672      <emphasis>23.5.6.2 [unord.set.cnstr]</emphasis>,
2673      <emphasis>23.5.7.2 [unord.multiset.cnstr]</emphasis>
2674      The default minimal bucket count is 0 for the default constructors, range
2675      constructors and initializer-list constructors.
2676   </para>
2677
2678   <para>
2679      <emphasis>25.3.12 [alg.random.shuffle]</emphasis>
2680      The two-argument overload of <function>random_shuffle</function>
2681      uses <function>rand</function> as the source of randomness.
2682   </para>
2683
2684   <para>
2685      <emphasis>26.5.5 [rand.predef]</emphasis>
2686      The type <classname>default_random_engine</classname> is a synonym for
2687      <classname>minstd_rand0</classname>.
2688   </para>
2689
2690   <para>
2691      <emphasis> 26.5.6 [rand.device] </emphasis>
2692      The <code>token</code> parameter of the
2693      <classname>random_device</classname> constructor can be used to select
2694      a specific source of random bytes. The valid token values are shown
2695      in the list below.
2696      The default constructor uses the token <literal>"default"</literal>.
2697      <variablelist>
2698      <varlistentry>
2699        <term><literal>"default"</literal></term>
2700        <listitem>
2701          Select the first available source from the other entries below.
2702          This is the only token that is always valid.
2703        </listitem>
2704      </varlistentry>
2705      <varlistentry>
2706        <term><literal>"rand_s"</literal></term>
2707        <listitem>
2708          Use the MSVCRT <function>rand_s</function> function.
2709          This token is only valid for mingw-w64 targets.
2710        </listitem>
2711      </varlistentry>
2712      <varlistentry>
2713        <term><literal>"rdseed"</literal></term>
2714        <term><literal>"rdrand"</literal> or <literal>"rdrnd"</literal></term>
2715        <listitem>
2716          Use the IA-32 <literal>RDSEED</literal> or <literal>RDRAND</literal>
2717          instruction to read from an on-chip hardware random number generator.
2718          These tokens are only valid for x86 and x86_64 targets when both
2719          the assembler and CPU support the corresponding instruction.
2720        </listitem>
2721      </varlistentry>
2722      <varlistentry>
2723        <term><literal>"/dev/urandom"</literal></term>
2724        <term><literal>"/dev/random"</literal></term>
2725        <listitem>
2726          Use the named character special file to read random bytes from.
2727          These tokens are only valid when the device files are present
2728          and readable by the current user.
2729        </listitem>
2730      </varlistentry>
2731      <varlistentry>
2732        <term><literal>"mt19937"</literal></term>
2733        <term>seed value</term>
2734        <listitem>
2735          When no source of nondeterministic random numbers is available a
2736          <classname>mersenne_twister_engine</classname> will be used.
2737          An integer seed value can be used as the token and will be converted
2738          to an <code>unsigned long</code> using <function>strtoul</function>.
2739          These tokens are only valid when no other source of random bytes
2740          is available.
2741        </listitem>
2742      </varlistentry>
2743      </variablelist>
2744      An exception of type <classname>runtime_error</classname> will be
2745      thrown if a <classname>random_device</classname> object is constructed
2746      with an invalid token, or if it cannot open or read from the source
2747      of random bytes.
2748   </para>
2749
2750   <para>
2751      <emphasis>26.5.8.1 [rand.dist.general]</emphasis>
2752      The algorithms used by the distributions should be documented here.
2753   </para>
2754
2755   <para>
2756      <emphasis>26.8 [c.math]</emphasis> Whether the
2757      <function>rand</function> function introduces data races depends on
2758      the C library as the function is not provided by libstdc++.
2759   </para>
2760
2761   <para>
2762      <emphasis>27.8.2.1 [stringbuf.cons]</emphasis>
2763      Whether the sequence pointers are copied by the
2764      <classname>basic_stringbuf</classname> move constructor should be
2765      documented here.
2766   </para>
2767
2768   <para>
2769      <emphasis>27.9.1.2 [filebuf.cons]</emphasis>
2770      Whether the sequence pointers are copied by the
2771      <classname>basic_filebuf</classname> move constructor should be
2772      documented here.
2773   </para>
2774
2775   <para>
2776      <emphasis>28.5.1 [re.synopt]</emphasis>,
2777      <emphasis> 28.5.2 [re.matchflag] </emphasis>,
2778      <emphasis> 28.5.3 [re.err] </emphasis>
2779      <code>syntax_option_type</code>, <code>match_flag_type</code>
2780      and <code>error_type</code> are unscoped enumeration types.
2781   </para>
2782
2783   <para>
2784      <emphasis>28.7 [re.traits]</emphasis>
2785      The <literal>blank</literal> character class corresponds to the
2786      <code>ctype_base::blank</code> mask.
2787   </para>
2788
2789   <para>
2790      <emphasis>29.4 [atomics.lockfree]</emphasis>
2791      The values of the <code>ATOMIC_xxx_LOCK_FREE</code> macros depend on
2792      the target and cannot be listed here.
2793   </para>
2794
2795   <para>
2796      <emphasis>30.2.3 [thread.req.native]/1</emphasis>
2797      <classname>native_handle_type</classname> and
2798      <methodname>native_handle</methodname> are provided. The handle types
2799      are defined in terms of the Gthreads abstraction layer, although this
2800      is subject to change at any time. Any use of
2801      <classname>native_handle</classname> is inherently non-portable and
2802      not guaranteed to work between major releases of GCC.
2803      <variablelist>
2804      <varlistentry>
2805         <term><classname>thread</classname></term>
2806         <listitem>
2807            The native handle type is a typedef for <code>__gthread_t</code>
2808            i.e. <code>pthread_t</code> when GCC is configured with the
2809            <literal>posix</literal> thread model.
2810            The value of the native handle is undefined for a thread
2811            which is not joinable.
2812         </listitem>
2813      </varlistentry>
2814      <varlistentry>
2815         <term><classname>mutex</classname></term>
2816         <term><classname>timed_mutex</classname></term>
2817         <listitem>
2818            The native handle type is <code>__gthread_mutex_t*</code> i.e.
2819            <code>pthread_mutex_t*</code> for the <literal>posix</literal>
2820            thread model.
2821         </listitem>
2822      </varlistentry>
2823      <varlistentry>
2824         <term><classname>recursive_mutex</classname></term>
2825         <term><classname>recursive_timed_mutex</classname></term>
2826         <listitem>
2827            The native handle type is <code>__gthread_recursive_mutex_t*</code>
2828            i.e. <code>pthread_mutex_t*</code> for the <literal>posix</literal>
2829            thread model.
2830         </listitem>
2831      </varlistentry>
2832      <varlistentry>
2833         <term><classname>condition_variable</classname></term>
2834         <listitem>
2835            The native handle type is <code>__gthread_cond_t*</code> i.e.
2836            <code>pthread_cond_t*</code> for the <literal>posix</literal>
2837            thread model.
2838         </listitem>
2839      </varlistentry>
2840      </variablelist>
2841   </para>
2842
2843   <para>
2844      <emphasis>30.6.1 [futures.overview]/2</emphasis>
2845      <code>launch</code> is a scoped enumeration type with
2846      overloaded operators to support bitmask operations. There are no
2847      additional bitmask elements defined.
2848   </para>
2849
2850</section>
2851
2852</section>
2853