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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>
8       ISO C++
9     </keyword>
10     <keyword>
11       2011
12     </keyword>
13   </keywordset>
14 </info>
15
16 <para>
17 <anchor xml:id="status.iso.200x" /> <!-- preserve links to old section ID -->
18 This table is based on the table of contents of ISO/IEC
19 JTC1 SC22 WG21 Doc No: N3290 Date: 2011-04-11
20 Final Draft International Standard, Standard for Programming Language C++
21 </para>
22
23 <para>
24 In this implementation <literal>-std=gnu++11</literal> or
25 <literal>-std=c++11</literal> flags must be used to enable language
26 and library
27 features. See <link linkend="manual.intro.using.flags">dialect</link>
28 options. The pre-defined symbol
29 <constant>__GXX_EXPERIMENTAL_CXX0X__</constant> is used to check for the
30 presence of the required flag.
31 </para>
32
33 <para>
34 This page describes the C++11 support in mainline GCC SVN, not in any
35 particular release.
36 </para>
37
38 <!-- Status is Yes or No, Broken/Partial-->
39 <!--
40    Yes
41
42    No
43       <?dbhtml bgcolor="#C8B0B0" ?>
44    Broken/Partial
45       <?dbhtml bgcolor="#B0B0B0" ?>
46 -->
47 <table frame="all">
48 <title>C++ 2011 Implementation Status</title>
49
50 <tgroup cols="4" align="left" colsep="0" rowsep="1">
51 <colspec colname="c1"/>
52 <colspec colname="c2"/>
53 <colspec colname="c3"/>
54 <colspec colname="c4"/>
55   <thead>
56     <row>
57       <entry>Section</entry>
58       <entry>Description</entry>
59       <entry>Status</entry>
60       <entry>Comments</entry>
61     </row>
62   </thead>
63
64   <tbody>
65
66     <row>
67       <entry>
68         <emphasis>18</emphasis>
69       </entry>
70       <entry namest="c2" nameend="c4" align="left">
71         <emphasis>Language support</emphasis>
72       </entry>
73     </row>
74
75     <row>
76       <entry>18.1</entry>
77       <entry>General</entry>
78       <entry>Y</entry>
79       <entry/>
80     </row>
81     <row>
82       <?dbhtml bgcolor="#B0B0B0" ?>
83       <entry>18.2</entry>
84       <entry>Types</entry>
85       <entry>Partial</entry>
86       <entry>Missing offsetof, max_align_t</entry>
87     </row>
88     <row>
89       <entry>18.3</entry>
90       <entry>Implementation properties</entry>
91       <entry/>
92       <entry/>
93     </row>
94
95     <row>
96       <entry>18.3.2</entry>
97       <entry>Numeric Limits</entry>
98       <entry/>
99       <entry/>
100     </row>
101     <row>
102       <entry>18.3.2.3</entry>
103       <entry>Class template <code>numeric_limits</code></entry>
104       <entry>Y</entry>
105       <entry/>
106     </row>
107     <row>
108       <entry>18.3.2.4</entry>
109       <entry><code>numeric_limits</code> members</entry>
110       <entry>Y</entry>
111       <entry/>
112     </row>
113     <row>
114       <?dbhtml bgcolor="#C8B0B0" ?>
115       <entry>18.3.2.5</entry>
116       <entry><code>float_round_style</code></entry>
117       <entry>N</entry>
118       <entry/>
119     </row>
120     <row>
121       <?dbhtml bgcolor="#C8B0B0" ?>
122       <entry>18.3.2.6</entry>
123       <entry><code>float_denorm_style</code></entry>
124       <entry>N</entry>
125       <entry/>
126     </row>
127     <row>
128       <entry>18.3.2.7</entry>
129       <entry><code>numeric_limits</code> specializations</entry>
130       <entry>Y</entry>
131       <entry/>
132     </row>
133
134     <row>
135       <entry>18.3.3</entry>
136       <entry>C Library</entry>
137       <entry>Y</entry>
138       <entry/>
139     </row>
140
141     <row>
142       <entry>18.4</entry>
143       <entry>Integer types</entry>
144       <entry/>
145       <entry/>
146     </row>
147     <row>
148       <entry>18.4.1</entry>
149       <entry>Header <code>&lt;cstdint&gt;</code> synopsis</entry>
150       <entry>Y</entry>
151       <entry/>
152     </row>
153     <row>
154       <?dbhtml bgcolor="#B0B0B0" ?>
155       <entry>18.5</entry>
156       <entry>Start and termination</entry>
157       <entry>Partial</entry>
158       <entry>C library dependency for quick_exit, at_quick_exit</entry>
159     </row>
160     <row>
161       <entry>18.6</entry>
162       <entry>Dynamic memory management</entry>
163       <entry>Y</entry>
164       <entry/>
165     </row>
166     <row>
167       <entry>18.7</entry>
168       <entry>Type identification</entry>
169       <entry/>
170       <entry/>
171     </row>
172     <row>
173       <entry>18.7.1</entry>
174       <entry>Class type_info</entry>
175       <entry>Y</entry>
176       <entry/>
177     </row>
178     <row>
179       <entry>18.7.2</entry>
180       <entry>Class bad_cast</entry>
181       <entry>Y</entry>
182       <entry/>
183     </row>
184     <row>
185       <entry>18.7.3</entry>
186       <entry>Class bad_typeid</entry>
187       <entry>Y</entry>
188       <entry/>
189     </row>
190     <row>
191       <entry>18.8</entry>
192       <entry>Exception handling</entry>
193       <entry/>
194       <entry/>
195     </row>
196     <row>
197       <entry>18.8.1</entry>
198       <entry>Class exception</entry>
199       <entry>Y</entry>
200       <entry/>
201     </row>
202     <row>
203       <entry>18.8.2</entry>
204       <entry>Class bad_exception</entry>
205       <entry>Y</entry>
206       <entry/>
207     </row>
208     <row>
209       <entry>18.8.3</entry>
210       <entry>Abnormal termination</entry>
211       <entry>Y</entry>
212       <entry/>
213     </row>
214     <row>
215       <entry>18.8.4</entry>
216       <entry><code>uncaught_exception</code></entry>
217       <entry>Y</entry>
218       <entry/>
219     </row>
220     <row>
221       <entry>18.8.5</entry>
222       <entry>Exception Propagation</entry>
223       <entry>Y</entry>
224       <entry/>
225     </row>
226     <row>
227       <entry>18.8.6</entry>
228       <entry><code>nested_exception</code></entry>
229       <entry>Y</entry>
230       <entry/>
231     </row>
232     <row>
233       <entry>18.9</entry>
234       <entry>Initializer lists</entry>
235       <entry/>
236       <entry/>
237     </row>
238     <row>
239       <entry>18.9.1</entry>
240       <entry>Initializer list constructors</entry>
241       <entry>Y</entry>
242       <entry/>
243     </row>
244     <row>
245       <entry>18.9.2</entry>
246       <entry>Initializer list access</entry>
247       <entry>Y</entry>
248       <entry/>
249     </row>
250     <row>
251       <entry>18.9.3</entry>
252       <entry>Initializer list range access</entry>
253       <entry>Y</entry>
254       <entry/>
255     </row>
256     <row>
257       <entry>18.10</entry>
258       <entry>Other runtime support</entry>
259       <entry>Y</entry>
260       <entry/>
261     </row>
262     <row>
263       <entry>
264         <emphasis>19</emphasis>
265       </entry>
266       <entry namest="c2" nameend="c4" align="left">
267         <emphasis>Diagnostics</emphasis>
268       </entry>
269     </row>
270     <row>
271       <entry>19.1</entry>
272       <entry>General</entry>
273       <entry>Y</entry>
274       <entry/>
275     </row>
276     <row>
277       <entry>19.2</entry>
278       <entry>Exception classes</entry>
279       <entry>Y</entry>
280       <entry/>
281     </row>
282     <row>
283       <entry>19.3</entry>
284       <entry>Assertions</entry>
285       <entry>Y</entry>
286       <entry/>
287     </row>
288     <row>
289       <entry>19.4</entry>
290       <entry>Error numbers</entry>
291       <entry>Y</entry>
292       <entry/>
293     </row>
294     <row>
295       <entry>19.5</entry>
296       <entry>System error support</entry>
297       <entry/>
298       <entry/>
299     </row>
300     <row>
301       <entry>19.5.1</entry>
302       <entry>Class <code>error_category</code></entry>
303       <entry>Y</entry>
304       <entry/>
305     </row>
306     <row>
307       <entry>19.5.2</entry>
308       <entry>Class <code>error_code</code></entry>
309       <entry>Y</entry>
310       <entry/>
311     </row>
312     <row>
313       <entry>19.5.3</entry>
314       <entry>Class <code>error_condition</code></entry>
315       <entry>Y</entry>
316       <entry/>
317     </row>
318     <row>
319       <entry>19.5.4</entry>
320       <entry>Comparison operators</entry>
321       <entry>Y</entry>
322       <entry/>
323     </row>
324     <row>
325       <entry>19.5.5</entry>
326       <entry>Class <code>system_error</code></entry>
327       <entry>Y</entry>
328       <entry/>
329     </row>
330     <row>
331       <entry>
332         <emphasis>20</emphasis>
333       </entry>
334       <entry namest="c2" nameend="c4" align="left">
335         <emphasis>General utilities</emphasis>
336       </entry>
337     </row>
338     <row>
339       <entry>20.1</entry>
340       <entry>General</entry>
341       <entry/>
342       <entry/>
343     </row>
344     <row>
345       <entry>20.2</entry>
346       <entry>Utility components</entry>
347       <entry/>
348       <entry/>
349     </row>
350     <row>
351       <entry>20.2.1</entry>
352       <entry>Operators</entry>
353       <entry>Y</entry>
354       <entry/>
355     </row>
356     <row>
357       <entry>20.2.2</entry>
358       <entry>Swap</entry>
359       <entry>Y</entry>
360       <entry/>
361     </row>
362     <row>
363       <entry>20.2.3</entry>
364       <entry><code>forward</code> and <code>move</code> helpers</entry>
365       <entry>Y</entry>
366       <entry/>
367     </row>
368     <row>
369       <entry>20.2.4</entry>
370       <entry>Function template <code>declval</code></entry>
371       <entry>Y</entry>
372       <entry/>
373     </row>
374     <row>
375       <entry>20.3</entry>
376       <entry>Pairs</entry>
377       <entry/>
378       <entry/>
379     </row>
380     <row>
381       <entry>20.3.1</entry>
382       <entry>In general</entry>
383       <entry/>
384       <entry/>
385     </row>
386     <row>
387       <?dbhtml bgcolor="#B0B0B0" ?>
388       <entry>20.3.2</entry>
389       <entry>Class template <code>pair</code></entry>
390       <entry>Partial</entry>
391       <entry>Piecewise construction requires an accessible copy/move
392              constructor.</entry>
393     </row>
394     <row>
395       <entry>20.3.3</entry>
396       <entry>Specialized algorithms</entry>
397       <entry>Y</entry>
398       <entry/>
399     </row>
400     <row>
401       <entry>20.3.4</entry>
402       <entry>Tuple-like access to <code>pair</code></entry>
403       <entry>Y</entry>
404       <entry/>
405     </row>
406     <row>
407       <entry>20.3.5</entry>
408       <entry>Piecewise construction</entry>
409       <entry>Y</entry>
410       <entry/>
411     </row>
412     <row>
413       <entry>20.4</entry>
414       <entry>Tuples</entry>
415       <entry/>
416       <entry/>
417     </row>
418     <row>
419       <entry>20.4.1</entry>
420       <entry>In general</entry>
421       <entry/>
422       <entry/>
423     </row>
424     <row>
425       <entry>20.4.2</entry>
426       <entry>Class template <code>tuple</code></entry>
427       <entry/>
428       <entry/>
429     </row>
430     <row>
431       <entry>20.4.2.1</entry>
432       <entry>Construction</entry>
433       <entry>Y</entry>
434       <entry/>
435     </row>
436     <row>
437       <entry>20.4.2.2</entry>
438       <entry>Assignment</entry>
439       <entry>Y</entry>
440       <entry/>
441     </row>
442     <row>
443       <entry>20.4.2.3</entry>
444       <entry>Swap</entry>
445       <entry>Y</entry>
446       <entry/>
447     </row>
448     <row>
449       <entry>20.4.2.4</entry>
450       <entry>Tuple creation functions</entry>
451       <entry>Y</entry>
452       <entry/>
453     </row>
454     <row>
455       <entry>20.4.2.5</entry>
456       <entry>Tuple helper classes</entry>
457       <entry>Y</entry>
458       <entry/>
459     </row>
460     <row>
461       <entry>20.4.2.6</entry>
462       <entry>Element access</entry>
463       <entry>Y</entry>
464       <entry/>
465     </row>
466     <row>
467       <entry>20.4.2.7</entry>
468       <entry>Relational operators</entry>
469       <entry>Y</entry>
470       <entry/>
471     </row>
472     <row>
473       <entry>20.4.2.8</entry>
474       <entry>Tuple traits</entry>
475       <entry>Y</entry>
476       <entry/>
477     </row>
478     <row>
479       <entry>20.4.2.9</entry>
480       <entry>Tuple specialized algorithms</entry>
481       <entry>Y</entry>
482       <entry/>
483     </row>
484     <row>
485       <entry>20.5</entry>
486       <entry>Class template <code>bitset</code></entry>
487       <entry>Y</entry>
488       <entry/>
489     </row>
490     <row>
491       <entry>20.5.1</entry>
492       <entry><code>bitset</code> constructors</entry>
493       <entry>Y</entry>
494       <entry/>
495     </row>
496     <row>
497       <entry>20.5.2</entry>
498       <entry><code>bitset</code> members</entry>
499       <entry>Y</entry>
500       <entry/>
501     </row>
502     <row>
503       <entry>20.5.3</entry>
504       <entry><code>bitset</code> hash support</entry>
505       <entry>Y</entry>
506       <entry/>
507     </row>
508     <row>
509       <entry>20.5.4</entry>
510       <entry><code>bitset</code> operators</entry>
511       <entry>Y</entry>
512       <entry/>
513     </row>
514     <row>
515       <entry>20.6</entry>
516       <entry>Memory</entry>
517       <entry/>
518       <entry/>
519     </row>
520     <row>
521       <entry>20.6.1</entry>
522       <entry>In general</entry>
523       <entry/>
524       <entry/>
525     </row>
526     <row>
527       <entry>20.6.2</entry>
528       <entry>Header <code>&lt;memory&gt;</code> synopsis</entry>
529       <entry/>
530       <entry/>
531     </row>
532     <row>
533       <?dbhtml bgcolor="#B0B0B0" ?>
534       <entry>20.6.3</entry>
535       <entry>Pointer traits</entry>
536       <entry>Partial</entry>
537       <entry>Missing rebind</entry>
538     </row>
539     <row>
540       <?dbhtml bgcolor="#B0B0B0" ?>
541       <entry>20.6.4</entry>
542       <entry>Pointer safety</entry>
543       <entry>Partial</entry>
544       <entry/>
545     </row>
546     <row>
547       <?dbhtml bgcolor="#C8B0B0" ?>
548       <entry>20.6.5</entry>
549       <entry>Align</entry>
550       <entry>N</entry>
551       <entry/>
552     </row>
553     <row>
554       <entry>20.6.6</entry>
555       <entry>Allocator argument tag</entry>
556       <entry>Y</entry>
557       <entry/>
558     </row>
559     <row>
560       <entry>20.6.7</entry>
561       <entry><code>uses_allocator</code></entry>
562       <entry>Y</entry>
563       <entry/>
564     </row>
565     <row>
566       <?dbhtml bgcolor="#B0B0B0" ?>
567       <entry>20.6.8</entry>
568       <entry>Allocator traits</entry>
569       <entry>Partial</entry>
570       <entry>Missing rebind_alloc and rebind_traits</entry>
571     </row>
572     <row>
573       <entry>20.6.9</entry>
574       <entry>The default allocator</entry>
575       <entry>Y</entry>
576       <entry/>
577     </row>
578     <row>
579       <entry>20.6.10</entry>
580       <entry>Raw storage iterator</entry>
581       <entry>Y</entry>
582       <entry/>
583     </row>
584     <row>
585       <entry>20.6.11</entry>
586       <entry>Temporary buffers</entry>
587       <entry>Y</entry>
588       <entry/>
589     </row>
590     <row>
591       <entry>20.6.12</entry>
592       <entry>Specialized algorithms</entry>
593       <entry/>
594       <entry/>
595     </row>
596     <row>
597       <entry>20.6.12.1</entry>
598       <entry><code>addressof</code></entry>
599       <entry>Y</entry>
600       <entry/>
601     </row>
602     <row>
603       <entry>20.6.12.2</entry>
604       <entry><code>uninitialized_copy</code></entry>
605       <entry>Y</entry>
606       <entry/>
607     </row>
608     <row>
609       <entry>20.6.12.3</entry>
610       <entry><code>uninitialized_fill</code></entry>
611       <entry>Y</entry>
612       <entry/>
613     </row>
614     <row>
615       <entry>20.6.12.4</entry>
616       <entry><code>uninitialized_fill_n</code></entry>
617       <entry>Y</entry>
618       <entry/>
619     </row>
620     <row>
621       <entry>20.6.13</entry>
622       <entry>C library</entry>
623       <entry>Y</entry>
624       <entry/>
625     </row>
626     <row>
627       <entry>20.7</entry>
628       <entry>Smart pointers</entry>
629       <entry/>
630       <entry/>
631     </row>
632     <row>
633       <entry>20.7.1</entry>
634       <entry>Class template <code>unique_ptr</code></entry>
635       <entry>Y</entry>
636       <entry/>
637     </row>
638     <row>
639       <entry>20.7.2</entry>
640       <entry>Shared-ownership pointers</entry>
641       <entry>Y</entry>
642       <entry/>
643     </row>
644     <row>
645       <entry>20.7.2.1</entry>
646       <entry>Class <code>bad_weak_ptr</code></entry>
647       <entry>Y</entry>
648       <entry/>
649     </row>
650     <row>
651       <entry>20.7.2.2</entry>
652       <entry>Class template <code>shared_ptr</code></entry>
653       <entry>Y</entry>
654       <entry>
655         <para>
656           Uses code from
657           <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>.
658         </para>
659       </entry>
660     </row>
661     <row>
662       <entry>20.7.2.3</entry>
663       <entry>Class template <code>weak_ptr</code></entry>
664       <entry>Y</entry>
665       <entry/>
666     </row>
667     <row>
668       <entry>20.7.2.4</entry>
669       <entry>Class template <code>emable_shared_from_this</code></entry>
670       <entry>Y</entry>
671       <entry/>
672     </row>
673     <row>
674       <?dbhtml bgcolor="#B0B0B0" ?>
675       <entry>20.7.2.5</entry>
676       <entry><code>shared_ptr</code> atomic access</entry>
677       <entry>Partial</entry>
678       <entry/>
679     </row>
680     <row>
681       <entry>20.7.2.6</entry>
682       <entry>Smart pointer hash support</entry>
683       <entry>Y</entry>
684       <entry/>
685     </row>
686     <row>
687       <entry>20.8</entry>
688       <entry>Function objects</entry>
689       <entry/>
690       <entry/>
691     </row>
692     <row>
693       <entry>20.8.1</entry>
694       <entry>Definitions</entry>
695       <entry/>
696       <entry/>
697     </row>
698     <row>
699       <entry>20.8.2</entry>
700       <entry>Requirements</entry>
701       <entry/>
702       <entry/>
703     </row>
704     <row>
705       <entry>20.8.3</entry>
706       <entry>Class template <code>reference_wrapper</code></entry>
707       <entry>Y</entry>
708       <entry/>
709     </row>
710     <row>
711       <entry>20.8.4</entry>
712       <entry>Arithmetic operation</entry>
713       <entry>Y</entry>
714       <entry/>
715     </row>
716     <row>
717       <entry>20.8.5</entry>
718       <entry>Comparisons</entry>
719       <entry>Y</entry>
720       <entry/>
721     </row>
722     <row>
723       <entry>20.8.6</entry>
724       <entry>Logical operations</entry>
725       <entry>Y</entry>
726       <entry/>
727     </row>
728     <row>
729       <entry>20.8.7</entry>
730       <entry>Bitwise operations</entry>
731       <entry>Y</entry>
732       <entry/>
733     </row>
734     <row>
735       <entry>20.8.8</entry>
736       <entry>Negators</entry>
737       <entry>Y</entry>
738       <entry/>
739     </row>
740     <row>
741       <entry>20.8.9</entry>
742       <entry>Function template <code>bind</code></entry>
743       <entry>Y</entry>
744       <entry/>
745     </row>
746     <row>
747       <?dbhtml bgcolor="#B0B0B0" ?>
748       <entry>20.8.10</entry>
749       <entry>Function template <code>mem_fn</code></entry>
750       <entry>Partial</entry>
751       <entry>Missing overloads for reference-qualified member functions</entry>
752     </row>
753     <row>
754       <entry>20.8.11</entry>
755       <entry>Polymorphic function wrappers</entry>
756       <entry/>
757       <entry/>
758     </row>
759     <row>
760       <entry>20.8.11.1</entry>
761       <entry>Class <code>bad_function_call</code></entry>
762       <entry>Y</entry>
763       <entry/>
764     </row>
765     <row>
766       <?dbhtml bgcolor="#B0B0B0" ?>
767       <entry>20.8.11.2</entry>
768       <entry>Class template <code>function</code></entry>
769       <entry>Partial</entry>
770       <entry>Missing allocator support</entry>
771     </row>
772     <row>
773       <entry>20.8.12</entry>
774       <entry>Class template <code>hash</code></entry>
775       <entry>Y</entry>
776       <entry/>
777     </row>
778     <row>
779       <entry>20.9</entry>
780       <entry>Metaprogramming and type traits</entry>
781       <entry/>
782       <entry/>
783     </row>
784     <row>
785       <entry>20.9.1</entry>
786       <entry>Requirements</entry>
787       <entry>Y</entry>
788       <entry/>
789     </row>
790     <row>
791       <entry>20.9.2</entry>
792       <entry>Header <code>&lt;type_traits&gt;</code> synopsis</entry>
793       <entry/>
794       <entry/>
795     </row>
796     <row>
797       <entry>20.9.3</entry>
798       <entry>Helper classes</entry>
799       <entry>Y</entry>
800       <entry/>
801     </row>
802     <row>
803       <entry>20.9.4</entry>
804       <entry>Unary Type Traits</entry>
805       <entry>Y</entry>
806       <entry/>
807     </row>
808     <row>
809       <entry>20.9.4.1</entry>
810       <entry>Primary type categories</entry>
811       <entry>Y</entry>
812       <entry/>
813     </row>
814     <row>
815       <entry>20.9.4.2</entry>
816       <entry>Composite type traits</entry>
817       <entry>Y</entry>
818       <entry/>
819     </row>
820     <row>
821       <?dbhtml bgcolor="#B0B0B0" ?>
822       <entry>20.9.4.3</entry>
823       <entry>Type properties</entry>
824       <entry>Partial</entry>
825       <entry>Missing is_trivially_copyable,
826       is_assignable, is_copy_assignable, is_move_assignable,
827       is_trivially_constructible, is_trivially_default_constructible,
828       is_trivially_copy_constructible, is_trivially_move_constructible,
829       is_trivially_assignable, is_trivially_default_assignable,
830       is_trivially_copy_assignable, is_trivially_move_assignable,
831       is_trivially_destructible,
832       is_nothrow_assignable,
833       is_nothrow_copy_assignable, is_nothrow_move_assignable,
834       is_nothrow_destructible
835       </entry>
836     </row>
837     <row>
838       <entry>20.9.5</entry>
839       <entry>Type property queries</entry>
840       <entry>Y</entry>
841       <entry/>
842     </row>
843     <row>
844       <entry>20.9.6</entry>
845       <entry>Relationships between types</entry>
846       <entry>Y</entry>
847       <entry/>
848     </row>
849     <row>
850       <entry>20.9.7</entry>
851       <entry>Transformations between types</entry>
852       <entry/>
853       <entry/>
854     </row>
855     <row>
856       <entry>20.9.7.1</entry>
857       <entry>Const-volatile modifications</entry>
858       <entry>Y</entry>
859       <entry/>
860     </row>
861     <row>
862       <entry>20.9.7.2</entry>
863       <entry>Reference modifications</entry>
864       <entry>Y</entry>
865       <entry/>
866     </row>
867     <row>
868       <entry>20.9.7.3</entry>
869       <entry>Sign modifications</entry>
870       <entry>Y</entry>
871       <entry/>
872     </row>
873     <row>
874       <entry>20.9.7.4</entry>
875       <entry>Array modifications</entry>
876       <entry>Y</entry>
877       <entry/>
878     </row>
879     <row>
880       <entry>20.9.7.5</entry>
881       <entry>Pointer modifications</entry>
882       <entry>Y</entry>
883       <entry/>
884     </row>
885     <row>
886       <entry>20.9.7.6</entry>
887       <entry>Other transformations</entry>
888       <entry>Y</entry>
889       <entry/>
890     </row>
891     <row>
892       <entry>20.10</entry>
893       <entry>Compile-time rational arithmetic</entry>
894       <entry/>
895       <entry/>
896     </row>
897     <row>
898       <entry>20.10.1</entry>
899       <entry>In general</entry>
900       <entry/>
901       <entry/>
902     </row>
903     <row>
904       <entry>20.10.2</entry>
905       <entry>Header <code>&lt;ratio&gt;</code> synopsis</entry>
906       <entry/>
907       <entry/>
908     </row>
909     <row>
910       <entry>20.10.3</entry>
911       <entry>Class template <code>ratio</code></entry>
912       <entry>Y</entry>
913       <entry/>
914     </row>
915     <row>
916       <entry>20.10.4</entry>
917       <entry>Arithmetic on <code>ratio</code>s</entry>
918       <entry>Y</entry>
919       <entry/>
920     </row>
921     <row>
922       <entry>20.10.5</entry>
923       <entry>Comparison of <code>ratio</code>s</entry>
924       <entry>Y</entry>
925       <entry/>
926     </row>
927     <row>
928       <entry>20.10.6</entry>
929       <entry>SI types for <code>ratio</code></entry>
930       <entry>Y</entry>
931       <entry/>
932     </row>
933     <row>
934       <entry>20.11</entry>
935       <entry>Time utilities</entry>
936       <entry/>
937       <entry/>
938     </row>
939     <row>
940       <entry>20.11.3</entry>
941       <entry>Clock requirements</entry>
942       <entry>Y</entry>
943       <entry/>
944     </row>
945     <row>
946       <entry>20.11.4</entry>
947       <entry>Time-related traits</entry>
948       <entry/>
949       <entry/>
950     </row>
951     <row>
952       <entry>20.11.4.1</entry>
953       <entry><code>treat_as_floating_point</code></entry>
954       <entry>Y</entry>
955       <entry/>
956     </row>
957     <row>
958       <entry>20.11.4.2</entry>
959       <entry><code>duration_values</code></entry>
960       <entry>Y</entry>
961       <entry/>
962     </row>
963     <row>
964       <entry>20.11.4.3</entry>
965       <entry>Specializations of <code>common_type</code></entry>
966       <entry>Y</entry>
967       <entry/>
968     </row>
969     <row>
970       <?dbhtml bgcolor="#B0B0B0" ?>
971       <entry>20.11.5</entry>
972       <entry>Class template <code>duration</code></entry>
973       <entry>Partial</entry>
974       <entry>Missing constexpr for non-member arithmetic operations</entry>
975     </row>
976     <row>
977       <entry>20.11.6</entry>
978       <entry>Class template <code>time_point</code></entry>
979       <entry>Y</entry>
980       <entry/>
981     </row>
982     <row>
983       <entry>20.11.7</entry>
984       <entry>Clocks</entry>
985       <entry/>
986       <entry/>
987     </row>
988     <row>
989       <entry>20.11.7.1</entry>
990       <entry>Class <code>system_clock</code></entry>
991       <entry>Y</entry>
992       <entry/>
993     </row>
994     <row>
995       <?dbhtml bgcolor="#C8B0B0" ?>
996       <entry>20.11.7.2</entry>
997       <entry>Class <code>steady_clock</code></entry>
998       <entry>N</entry>
999       <entry>Support old <code>monotonic_clock</code> spec instead</entry>
1000     </row>
1001     <row>
1002       <entry>20.11.7.3</entry>
1003       <entry>Class <code>high_resolution_clock</code></entry>
1004       <entry>Y</entry>
1005       <entry/>
1006     </row>
1007     <row>
1008       <entry>20.11.8</entry>
1009       <entry>Date and time functions</entry>
1010       <entry>Y</entry>
1011       <entry/>
1012     </row>
1013     <row>
1014       <?dbhtml bgcolor="#B0B0B0" ?>
1015       <entry>20.12</entry>
1016       <entry>Scoped allocator adaptor</entry>
1017       <entry>Partial</entry>
1018       <entry/>
1019     </row>
1020     <row>
1021       <entry>20.12.1</entry>
1022       <entry>Header <code>&lt;scoped_allocator&gt;</code> synopsis</entry>
1023       <entry/>
1024       <entry/>
1025     </row>
1026     <row>
1027       <entry>20.12.2</entry>
1028       <entry>Scoped allocator adaptor member types</entry>
1029       <entry>Y</entry>
1030       <entry/>
1031     </row>
1032     <row>
1033       <entry>20.12.3</entry>
1034       <entry>Scoped allocator adaptor constructors</entry>
1035       <entry>Y</entry>
1036       <entry/>
1037     </row>
1038     <row>
1039       <?dbhtml bgcolor="#B0B0B0" ?>
1040       <entry>20.12.4</entry>
1041       <entry>Scoped allocator adaptor members</entry>
1042       <entry>Partial</entry>
1043       <entry/>
1044     </row>
1045     <row>
1046       <entry>20.12.5</entry>
1047       <entry>Scoped allocator operators</entry>
1048       <entry>Y</entry>
1049       <entry/>
1050     </row>
1051     <row>
1052       <entry>20.13</entry>
1053       <entry>Class <code>type_index</code></entry>
1054       <entry>Y</entry>
1055       <entry/>
1056     </row>
1057     <row>
1058       <entry>
1059         <emphasis>21</emphasis>
1060       </entry>
1061       <entry namest="c2" nameend="c4" align="left">
1062         <emphasis>Strings</emphasis>
1063       </entry>
1064     </row>
1065     <row>
1066       <entry>21.1</entry>
1067       <entry>General</entry>
1068       <entry>Y</entry>
1069       <entry/>
1070     </row>
1071     <row>
1072       <entry>21.2</entry>
1073       <entry>Character traits</entry>
1074       <entry/>
1075       <entry/>
1076     </row>
1077     <row>
1078       <entry>21.2.1</entry>
1079       <entry>Character traits requirements</entry>
1080       <entry>Y</entry>
1081       <entry/>
1082     </row>
1083     <row>
1084       <entry>21.2.2</entry>
1085       <entry>traits typedefs</entry>
1086       <entry>Y</entry>
1087       <entry/>
1088     </row>
1089     <row>
1090       <entry>21.2.3</entry>
1091       <entry><code>char_traits</code> specializations</entry>
1092       <entry/>
1093       <entry/>
1094     </row>
1095     <row>
1096       <?dbhtml bgcolor="#B0B0B0" ?>
1097       <entry>21.2.3.1</entry>
1098       <entry>struct <code>char_traits&lt;char&gt;</code></entry>
1099       <entry>Partial</entry>
1100       <entry>Missing constexpr</entry>
1101     </row>
1102     <row>
1103       <?dbhtml bgcolor="#B0B0B0" ?>
1104       <entry>21.2.3.2</entry>
1105       <entry>struct <code>char_traits&lt;char16_t&gt;</code></entry>
1106       <entry>Partial</entry>
1107       <entry>Missing constexpr</entry>
1108     </row>
1109     <row>
1110       <entry>21.2.3.3</entry>
1111       <entry>struct <code>char_traits&lt;char32_t&gt;</code></entry>
1112       <entry>Y</entry>
1113       <entry/>
1114     </row>
1115     <row>
1116       <entry>21.2.3.4</entry>
1117       <entry>struct <code>char_traits&lt;wchar_t&gt;</code></entry>
1118       <entry>Y</entry>
1119       <entry/>
1120     </row>
1121     <row>
1122       <entry>21.3</entry>
1123       <entry>String classes</entry>
1124       <entry>Y</entry>
1125       <entry/>
1126     </row>
1127     <row>
1128       <?dbhtml bgcolor="#B0B0B0" ?>
1129       <entry>21.4</entry>
1130       <entry>Class template <code>basic_string</code></entry>
1131       <entry>Partial</entry>
1132       <entry>Missing pop_back</entry>
1133     </row>
1134     <row>
1135       <entry>21.5</entry>
1136       <entry>Numeric Conversions</entry>
1137       <entry>Y</entry>
1138       <entry/>
1139     </row>
1140     <row>
1141       <entry>21.6</entry>
1142       <entry>Hash support</entry>
1143       <entry>Y</entry>
1144       <entry/>
1145     </row>
1146     <row>
1147       <?dbhtml bgcolor="#B0B0B0" ?>
1148       <entry>21.7</entry>
1149       <entry>Null-terminated sequence utilities</entry>
1150       <entry>Partial</entry>
1151       <entry>C library dependency.
1152       Missing <filename class="headerfile">&lt;cuchar&gt;</filename>
1153       </entry>
1154     </row>
1155     <row>
1156       <entry>
1157         <emphasis>22</emphasis>
1158       </entry>
1159       <entry namest="c2" nameend="c4" align="left">
1160         <emphasis>Localization</emphasis>
1161       </entry>
1162     </row>
1163     <row>
1164       <entry>22.1</entry>
1165       <entry>General</entry>
1166       <entry>Y</entry>
1167       <entry/>
1168     </row>
1169     <row>
1170       <entry>22.2</entry>
1171       <entry>Header <code>&lt;locale&gt;</code> synopsis</entry>
1172       <entry>Y</entry>
1173       <entry/>
1174     </row>
1175     <row>
1176       <entry>22.3</entry>
1177       <entry>Locales</entry>
1178       <entry/>
1179       <entry/>
1180     </row>
1181     <row>
1182       <entry>22.3.1</entry>
1183       <entry>Class <code>locale</code></entry>
1184       <entry>Y</entry>
1185       <entry/>
1186     </row>
1187     <row>
1188       <entry>22.3.2</entry>
1189       <entry><code>locale</code> globals</entry>
1190       <entry>Y</entry>
1191       <entry/>
1192     </row>
1193     <row>
1194       <entry>22.3.3</entry>
1195       <entry>Convenience interfaces</entry>
1196       <entry/>
1197       <entry/>
1198     </row>
1199     <row>
1200       <entry>22.3.3.1</entry>
1201       <entry>Character classification</entry>
1202       <entry>Y</entry>
1203       <entry/>
1204     </row>
1205     <row>
1206       <entry>22.3.3.2</entry>
1207       <entry>Conversions</entry>
1208       <entry/>
1209       <entry/>
1210     </row>
1211     <row>
1212       <entry>22.3.3.2.1</entry>
1213       <entry>Character conversions</entry>
1214       <entry>Y</entry>
1215       <entry/>
1216     </row>
1217     <row>
1218       <?dbhtml bgcolor="#C8B0B0" ?>
1219       <entry>22.3.3.2.2</entry>
1220       <entry><code>string</code> conversions</entry>
1221       <entry>N</entry>
1222       <entry/>
1223     </row>
1224     <row>
1225       <?dbhtml bgcolor="#C8B0B0" ?>
1226       <entry>22.3.3.2.3</entry>
1227       <entry>Buffer conversions</entry>
1228       <entry>N</entry>
1229       <entry/>
1230     </row>
1231     <row>
1232       <entry>22.4</entry>
1233       <entry>Standard <code>locale</code> categories</entry>
1234       <entry/>
1235       <entry/>
1236     </row>
1237     <row>
1238       <entry>22.4.1</entry>
1239       <entry>The <code>ctype</code> category</entry>
1240       <entry>Y</entry>
1241       <entry/>
1242     </row>
1243     <row>
1244       <entry>22.4.2</entry>
1245       <entry>The numeric category</entry>
1246       <entry/>
1247       <entry/>
1248     </row>
1249     <row>
1250       <entry>22.4.2.1</entry>
1251       <entry><code>num_get</code></entry>
1252       <entry>Y</entry>
1253       <entry/>
1254     </row>
1255     <row>
1256       <entry>22.4.2.2</entry>
1257       <entry><code>num_put</code></entry>
1258       <entry>Y</entry>
1259       <entry/>
1260     </row>
1261     <row>
1262       <entry>22.4.3</entry>
1263       <entry>The numeric punctuation facet</entry>
1264       <entry>Y</entry>
1265       <entry/>
1266     </row>
1267     <row>
1268       <entry>22.4.4</entry>
1269       <entry>The collate category</entry>
1270       <entry>Y</entry>
1271       <entry/>
1272     </row>
1273     <row>
1274       <entry>22.4.5</entry>
1275       <entry>The time category</entry>
1276       <entry/>
1277       <entry/>
1278     </row>
1279     <row>
1280       <entry>22.4.5.1</entry>
1281       <entry>Class template <code>time_get</code></entry>
1282       <entry>Y</entry>
1283       <entry/>
1284     </row>
1285     <row>
1286       <entry>22.4.5.2</entry>
1287       <entry>Class template <code>time_get_byname</code></entry>
1288       <entry>Y</entry>
1289       <entry/>
1290     </row>
1291     <row>
1292       <entry>22.4.5.3</entry>
1293       <entry>Class template <code>time_put</code></entry>
1294       <entry>Y</entry>
1295       <entry/>
1296     </row>
1297     <row>
1298       <entry>22.4.5.3</entry>
1299       <entry>Class template <code>time_put_byname</code></entry>
1300       <entry>Y</entry>
1301       <entry/>
1302     </row>
1303     <row>
1304       <entry>22.4.6</entry>
1305       <entry>The monetary category</entry>
1306       <entry/>
1307       <entry/>
1308     </row>
1309     <row>
1310       <entry>22.4.6.1</entry>
1311       <entry>Class template <code>money_get</code></entry>
1312       <entry>Y</entry>
1313       <entry/>
1314     </row>
1315     <row>
1316       <entry>22.4.6.2</entry>
1317       <entry>Class template <code>money_put</code></entry>
1318       <entry>Y</entry>
1319       <entry/>
1320     </row>
1321     <row>
1322       <entry>22.4.6.3</entry>
1323       <entry>Class template <code>money_punct</code></entry>
1324       <entry>Y</entry>
1325       <entry/>
1326     </row>
1327     <row>
1328       <entry>22.4.6.4</entry>
1329       <entry>Class template <code>money_punct_byname</code></entry>
1330       <entry>Y</entry>
1331       <entry/>
1332     </row>
1333     <row>
1334       <entry>22.4.7</entry>
1335       <entry>The message retrieval category</entry>
1336       <entry>Y</entry>
1337       <entry/>
1338     </row>
1339     <row>
1340       <entry>22.4.8</entry>
1341       <entry>Program-defined facets</entry>
1342       <entry>Y</entry>
1343       <entry/>
1344     </row>
1345     <row>
1346       <?dbhtml bgcolor="#C8B0B0" ?>
1347       <entry>22.5</entry>
1348       <entry>Standard code conversion facets</entry>
1349       <entry>N</entry>
1350       <entry/>
1351     </row>
1352     <row>
1353       <entry>22.6</entry>
1354       <entry>C Library Locales</entry>
1355       <entry>Y</entry>
1356       <entry/>
1357     </row>
1358     <row>
1359       <entry>
1360         <emphasis>23</emphasis>
1361       </entry>
1362       <entry namest="c2" nameend="c4" align="left">
1363         <emphasis>Containers</emphasis>
1364       </entry>
1365     </row>
1366     <row>
1367       <entry>23.1</entry>
1368       <entry>General</entry>
1369       <entry/>
1370       <entry/>
1371     </row>
1372     <row>
1373       <entry>23.2</entry>
1374       <entry>Container requirements</entry>
1375       <entry/>
1376       <entry/>
1377     </row>
1378     <row>
1379       <?dbhtml bgcolor="#B0B0B0" ?>
1380       <entry>23.2.1</entry>
1381       <entry>General container requirements</entry>
1382       <entry>Partial</entry>
1383       <entry>Only <code>vector</code> meets the requirements
1384              relating to allocator use and propagation.</entry>
1385     </row>
1386     <row>
1387       <entry>23.2.2</entry>
1388       <entry>Container data races</entry>
1389       <entry>Y</entry>
1390       <entry/>
1391     </row>
1392     <row>
1393       <entry>23.2.3</entry>
1394       <entry>Sequence containers</entry>
1395       <entry>Y</entry>
1396       <entry/>
1397     </row>
1398     <row>
1399       <?dbhtml bgcolor="#B0B0B0" ?>
1400       <entry>23.2.4</entry>
1401       <entry>Associative containers</entry>
1402       <entry>Partial</entry>
1403       <entry>Missing emplace members</entry>
1404     </row>
1405     <row>
1406       <?dbhtml bgcolor="#B0B0B0" ?>
1407       <entry>23.2.5</entry>
1408       <entry>Unordered associative containers</entry>
1409       <entry>Partial</entry>
1410       <entry>Missing emplace members</entry>
1411     </row>
1412     <row>
1413       <entry>23.3</entry>
1414       <entry>Sequence containers</entry>
1415       <entry/>
1416       <entry/>
1417     </row>
1418     <row>
1419       <entry>23.3.2</entry>
1420       <entry>Class template <code>array</code></entry>
1421       <entry>Y</entry>
1422       <entry/>
1423     </row>
1424     <row>
1425       <entry>23.3.3</entry>
1426       <entry>Class template <code>deque</code></entry>
1427       <entry>Y</entry>
1428       <entry/>
1429     </row>
1430     <row>
1431       <entry>23.3.4</entry>
1432       <entry>Class template <code>forward_list</code></entry>
1433       <entry>Y</entry>
1434       <entry/>
1435     </row>
1436     <row>
1437       <entry>23.3.5</entry>
1438       <entry>Class template <code>list</code></entry>
1439       <entry>Y</entry>
1440       <entry/>
1441     </row>
1442     <row>
1443       <entry>23.3.6</entry>
1444       <entry>Class template <code>vector</code></entry>
1445       <entry>Y</entry>
1446       <entry/>
1447     </row>
1448     <row>
1449       <entry>23.3.7</entry>
1450       <entry>Class <code>vector&lt;bool&gt;</code></entry>
1451       <entry>Y</entry>
1452       <entry/>
1453     </row>
1454     <row>
1455       <entry>23.4</entry>
1456       <entry>Associative containers</entry>
1457       <entry/>
1458       <entry/>
1459     </row>
1460     <row>
1461       <entry>23.4.4</entry>
1462       <entry>Class template <code>map</code></entry>
1463       <entry>Y</entry>
1464       <entry/>
1465     </row>
1466     <row>
1467       <entry>23.4.5</entry>
1468       <entry>Class template <code>multimap</code></entry>
1469       <entry>Y</entry>
1470       <entry/>
1471     </row>
1472     <row>
1473       <entry>23.4.6</entry>
1474       <entry>Class template <code>set</code></entry>
1475       <entry>Y</entry>
1476       <entry/>
1477     </row>
1478     <row>
1479       <entry>23.4.7</entry>
1480       <entry>Class template <code>multiset</code></entry>
1481       <entry>Y</entry>
1482       <entry/>
1483     </row>
1484     <row>
1485       <entry>23.5</entry>
1486       <entry>Unordered associative containers</entry>
1487       <entry/>
1488       <entry/>
1489     </row>
1490     <row>
1491       <entry>23.5.4</entry>
1492       <entry>Class template <code>unordered_map</code></entry>
1493       <entry>Y</entry>
1494       <entry/>
1495     </row>
1496     <row>
1497       <entry>23.5.5</entry>
1498       <entry>Class template <code>unordered_multimap</code></entry>
1499       <entry>Y</entry>
1500       <entry/>
1501     </row>
1502     <row>
1503       <entry>23.5.6</entry>
1504       <entry>Class template <code>unordered_set</code></entry>
1505       <entry>Y</entry>
1506       <entry/>
1507     </row>
1508     <row>
1509       <entry>23.5.7</entry>
1510       <entry>Class template <code>unordered_multiset</code></entry>
1511       <entry>Y</entry>
1512       <entry/>
1513     </row>
1514     <row>
1515       <entry>23.6</entry>
1516       <entry>Container adaptors</entry>
1517       <entry/>
1518       <entry/>
1519     </row>
1520     <row>
1521       <entry>23.6.1</entry>
1522       <entry>Class template <code>queue</code></entry>
1523       <entry>Y</entry>
1524       <entry/>
1525     </row>
1526     <row>
1527       <entry>23.6.2</entry>
1528       <entry>Class template <code>priority_queue</code></entry>
1529       <entry>Y</entry>
1530       <entry/>
1531     </row>
1532     <row>
1533       <entry>23.6.3</entry>
1534       <entry>Class template <code>stack</code></entry>
1535       <entry>Y</entry>
1536       <entry/>
1537     </row>
1538     <row>
1539       <entry>
1540         <emphasis>24</emphasis>
1541       </entry>
1542       <entry namest="c2" nameend="c4" align="left">
1543         <emphasis>Iterators</emphasis>
1544       </entry>
1545     </row>
1546     <row>
1547       <entry>24.1</entry>
1548       <entry>General</entry>
1549       <entry>Y</entry>
1550       <entry/>
1551     </row>
1552     <row>
1553       <entry>24.2</entry>
1554       <entry>Iterator requirements</entry>
1555       <entry>Y</entry>
1556       <entry/>
1557     </row>
1558     <row>
1559       <entry>24.3</entry>
1560       <entry>Header <code>&lt;iterator&gt;</code> synopsis</entry>
1561       <entry>Y</entry>
1562       <entry/>
1563     </row>
1564     <row>
1565       <entry>24.4</entry>
1566       <entry>Iterator primitives</entry>
1567       <entry>Y</entry>
1568       <entry/>
1569     </row>
1570     <row>
1571       <entry>24.5</entry>
1572       <entry>Iterator adaptors</entry>
1573       <entry/>
1574       <entry/>
1575     </row>
1576     <row>
1577       <entry>24.5.1</entry>
1578       <entry>Reverse iterators</entry>
1579       <entry>Y</entry>
1580       <entry/>
1581     </row>
1582     <row>
1583       <entry>24.5.2</entry>
1584       <entry>Insert iterators</entry>
1585       <entry>Y</entry>
1586       <entry/>
1587     </row>
1588     <row>
1589       <entry>24.5.3</entry>
1590       <entry>Move iterators</entry>
1591       <entry>Y</entry>
1592       <entry/>
1593     </row>
1594     <row>
1595       <entry>24.6</entry>
1596       <entry>Stream iterators</entry>
1597       <entry/>
1598       <entry/>
1599     </row>
1600     <row>
1601       <entry>24.6.1</entry>
1602       <entry>Class template <code>istream_iterator</code></entry>
1603       <entry>Y</entry>
1604       <entry/>
1605     </row>
1606     <row>
1607       <entry>24.6.2</entry>
1608       <entry>Class template <code>ostream_iterator</code></entry>
1609       <entry>Y</entry>
1610       <entry/>
1611     </row>
1612     <row>
1613       <entry>24.6.3</entry>
1614       <entry>Class template <code>istreambuf_iterator</code></entry>
1615       <entry>Y</entry>
1616       <entry/>
1617     </row>
1618     <row>
1619       <entry>24.6.4</entry>
1620       <entry>Class template <code>ostreambuf_iterator</code></entry>
1621       <entry>Y</entry>
1622       <entry/>
1623     </row>
1624     <row>
1625       <entry>24.6.5</entry>
1626       <entry>range access</entry>
1627       <entry>Y</entry>
1628       <entry/>
1629     </row>
1630     <row>
1631       <entry>
1632         <emphasis>25</emphasis>
1633       </entry>
1634       <entry namest="c2" nameend="c4" align="left">
1635         <emphasis>Algorithms</emphasis>
1636       </entry>
1637     </row>
1638     <row>
1639       <entry>25.1</entry>
1640       <entry>General</entry>
1641       <entry/>
1642       <entry/>
1643     </row>
1644     <row>
1645       <entry>25.2</entry>
1646       <entry>Non-modifying sequence operations</entry>
1647       <entry>Y</entry>
1648       <entry/>
1649     </row>
1650     <row>
1651       <entry>25.3</entry>
1652       <entry>Mutating sequence operations</entry>
1653       <entry>Y</entry>
1654       <entry/>
1655     </row>
1656     <row>
1657       <entry>25.4</entry>
1658       <entry>Sorting and related operations</entry>
1659       <entry>Y</entry>
1660       <entry/>
1661     </row>
1662     <row>
1663       <entry>25.5</entry>
1664       <entry>C library algorithms</entry>
1665       <entry>Y</entry>
1666       <entry/>
1667     </row>
1668     <row>
1669       <entry>
1670       <emphasis>26</emphasis>
1671       </entry>
1672       <entry namest="c2" nameend="c4" align="left">
1673         <emphasis>Numerics</emphasis>
1674       </entry>
1675     </row>
1676     <row>
1677       <entry>26.1</entry>
1678       <entry>General</entry>
1679       <entry>Y</entry>
1680       <entry/>
1681     </row>
1682     <row>
1683       <entry>26.2</entry>
1684       <entry>Numeric type requirements</entry>
1685       <entry>Y</entry>
1686       <entry/>
1687     </row>
1688     <row>
1689       <entry>26.3</entry>
1690       <entry>The floating-point environment</entry>
1691       <entry>Y</entry>
1692       <entry/>
1693     </row>
1694     <row>
1695       <entry>26.4</entry>
1696       <entry>Complex numbers</entry>
1697       <entry>Partial</entry>
1698       <entry>Missing constexpr</entry>
1699     </row>
1700     <row>
1701       <entry>26.5</entry>
1702       <entry>Random number generation</entry>
1703       <entry/>
1704       <entry/>
1705     </row>
1706     <row>
1707       <entry>26.5.1</entry>
1708       <entry>Requirements</entry>
1709       <entry/>
1710       <entry/>
1711     </row>
1712     <row>
1713       <entry>26.5.2</entry>
1714       <entry>Header <code>&lt;random&gt;</code> synopsis</entry>
1715       <entry/>
1716       <entry/>
1717     </row>
1718     <row>
1719       <entry>26.5.3</entry>
1720       <entry>Random number engine class templates</entry>
1721       <entry/>
1722       <entry/>
1723     </row>
1724     <row>
1725       <entry>26.5.3.1</entry>
1726       <entry>Class template <code>linear_congruential_engine</code></entry>
1727       <entry>Y</entry>
1728       <entry>Missing constexpr</entry>
1729     </row>
1730     <row>
1731       <entry>26.5.3.2</entry>
1732       <entry>Class template <code>mersenne_twister_engine</code></entry>
1733       <entry>Y</entry>
1734       <entry>Missing constexpr</entry>
1735     </row>
1736     <row>
1737       <entry>26.5.3.3</entry>
1738       <entry>Class template <code>subtract_with_carry_engine</code></entry>
1739       <entry>Y</entry>
1740       <entry>Missing constexpr</entry>
1741     </row>
1742     <row>
1743       <entry>26.5.4</entry>
1744       <entry>Random number engine adaptor class templates</entry>
1745       <entry/>
1746       <entry/>
1747     </row>
1748     <row>
1749       <entry>26.5.4.2</entry>
1750       <entry>Class template <code>discard_block_engine</code></entry>
1751       <entry>Y</entry>
1752       <entry>Missing constexpr</entry>
1753     </row>
1754     <row>
1755       <entry>26.5.4.3</entry>
1756       <entry>Class template <code>independent_bits_engine</code></entry>
1757       <entry>Y</entry>
1758       <entry>Missing constexpr</entry>
1759     </row>
1760     <row>
1761       <entry>26.5.4.4</entry>
1762       <entry>Class template <code>shuffle_order_engine</code></entry>
1763       <entry>Y</entry>
1764       <entry>Missing constexpr</entry>
1765     </row>
1766     <row>
1767       <entry>26.5.5</entry>
1768       <entry>Engines and engine adaptors with predefined parameters</entry>
1769       <entry>Y</entry>
1770       <entry/>
1771     </row>
1772     <row>
1773       <entry>26.5.6</entry>
1774       <entry>Class <code>random_device</code></entry>
1775       <entry>Y</entry>
1776       <entry>Missing constexpr</entry>
1777     </row>
1778     <row>
1779       <entry>26.5.7</entry>
1780       <entry>Utilities</entry>
1781       <entry/>
1782       <entry/>
1783     </row>
1784     <row>
1785       <entry>26.5.7.1</entry>
1786       <entry>Class <code>seed_seq</code></entry>
1787       <entry>Y</entry>
1788       <entry/>
1789     </row>
1790     <row>
1791       <entry>26.5.7.2</entry>
1792       <entry>Function template <code>generate_canonical</code></entry>
1793       <entry>Y</entry>
1794       <entry/>
1795     </row>
1796     <row>
1797       <entry>26.5.8</entry>
1798       <entry>Random number distribution class templates</entry>
1799       <entry/>
1800       <entry/>
1801     </row>
1802     <row>
1803       <entry>26.5.8.2</entry>
1804       <entry>Uniform distributions</entry>
1805       <entry/>
1806       <entry/>
1807     </row>
1808     <row>
1809       <entry>26.5.8.2.1</entry>
1810       <entry>Class template <code>uniform_int_distribution</code></entry>
1811       <entry>Y</entry>
1812       <entry/>
1813     </row>
1814     <row>
1815       <entry>26.5.8.2.2</entry>
1816       <entry>Class template <code>uniform_real_distribution</code></entry>
1817       <entry>Y</entry>
1818       <entry/>
1819     </row>
1820     <row>
1821       <entry>26.5.8.3</entry>
1822       <entry>Bernoulli distributions</entry>
1823       <entry/>
1824       <entry/>
1825     </row>
1826     <row>
1827       <entry>26.5.8.3.1</entry>
1828       <entry>Class <code>bernoulli_distribution</code></entry>
1829       <entry>Y</entry>
1830       <entry/>
1831     </row>
1832     <row>
1833       <entry>26.5.8.3.2</entry>
1834       <entry>Class template <code>binomial_distribution</code></entry>
1835       <entry>Y</entry>
1836       <entry/>
1837     </row>
1838     <row>
1839       <entry>26.5.8.3.3</entry>
1840       <entry>Class template <code>geometric_distribution</code></entry>
1841       <entry>Y</entry>
1842       <entry/>
1843     </row>
1844     <row>
1845       <entry>26.5.8.3.4</entry>
1846       <entry>Class template <code>negative_binomial_distribution</code></entry>
1847       <entry>Y</entry>
1848       <entry/>
1849     </row>
1850     <row>
1851       <entry>26.5.8.4</entry>
1852       <entry>Poisson distributions</entry>
1853       <entry/>
1854       <entry/>
1855     </row>
1856     <row>
1857       <entry>26.5.8.4.1</entry>
1858       <entry>Class template <code>poisson_distribution</code></entry>
1859       <entry>Y</entry>
1860       <entry/>
1861     </row>
1862     <row>
1863       <entry>26.5.8.4.2</entry>
1864       <entry>Class template <code>exponential_distribution</code></entry>
1865       <entry>Y</entry>
1866       <entry/>
1867     </row>
1868     <row>
1869       <entry>26.5.8.4.3</entry>
1870       <entry>Class template <code>gamma_distribution</code></entry>
1871       <entry>Y</entry>
1872       <entry/>
1873     </row>
1874     <row>
1875       <entry>26.5.8.4.4</entry>
1876       <entry>Class template <code>weibull_distribution</code></entry>
1877       <entry>Y</entry>
1878       <entry/>
1879     </row>
1880     <row>
1881       <entry>26.5.8.4.5</entry>
1882       <entry>Class template <code>extreme_value_distribution</code></entry>
1883       <entry>Y</entry>
1884       <entry/>
1885     </row>
1886     <row>
1887       <entry>26.5.8.5</entry>
1888       <entry>Normal distributions</entry>
1889       <entry/>
1890       <entry/>
1891     </row>
1892     <row>
1893       <entry>26.5.8.5.1</entry>
1894       <entry>Class template <code>normal_distribution</code></entry>
1895       <entry>Y</entry>
1896       <entry/>
1897     </row>
1898     <row>
1899       <entry>26.5.8.5.2</entry>
1900       <entry>Class template <code>lognormal_distribution</code></entry>
1901       <entry>Y</entry>
1902       <entry/>
1903     </row>
1904     <row>
1905       <entry>26.5.8.5.3</entry>
1906       <entry>Class template <code>chi_squared_distribution</code></entry>
1907       <entry>Y</entry>
1908       <entry/>
1909     </row>
1910     <row>
1911       <entry>26.5.8.5.4</entry>
1912       <entry>Class template <code>cauchy_distribution</code></entry>
1913       <entry>Y</entry>
1914       <entry/>
1915     </row>
1916     <row>
1917       <entry>26.5.8.5.5</entry>
1918       <entry>Class template <code>fisher_f_distribution</code></entry>
1919       <entry>Y</entry>
1920       <entry/>
1921     </row>
1922     <row>
1923       <entry>26.5.8.5.6</entry>
1924       <entry>Class template <code>student_t_distribution</code></entry>
1925       <entry>Y</entry>
1926       <entry/>
1927     </row>
1928     <row>
1929       <entry>26.5.8.6</entry>
1930       <entry>Sampling distributions</entry>
1931       <entry/>
1932       <entry/>
1933     </row>
1934     <row>
1935       <entry>26.5.8.6.1</entry>
1936       <entry>Class template <code>discrete_distribution</code></entry>
1937       <entry>Y</entry>
1938       <entry/>
1939     </row>
1940     <row>
1941       <entry>26.5.8.6.2</entry>
1942       <entry>Class template <code>piecewise_constant_distribution</code></entry>
1943       <entry>Y</entry>
1944       <entry/>
1945     </row>
1946     <row>
1947       <entry>26.5.8.6.3</entry>
1948       <entry>Class template <code>piecewise_linear_distribution</code></entry>
1949       <entry>Y</entry>
1950       <entry/>
1951     </row>
1952     <row>
1953       <entry>26.6</entry>
1954       <entry>Numeric arrays</entry>
1955       <entry/>
1956       <entry/>
1957     </row>
1958     <row>
1959       <entry>26.6.1</entry>
1960       <entry>Header <code>&lt;valarray&gt;</code> synopsis</entry>
1961       <entry>Y</entry>
1962       <entry/>
1963     </row>
1964     <row>
1965       <entry>26.6.2</entry>
1966       <entry>Class template <code>valarray</code></entry>
1967       <entry>Y</entry>
1968       <entry/>
1969     </row>
1970     <row>
1971       <entry>26.6.3</entry>
1972       <entry><code>valarray</code> non-member operations</entry>
1973       <entry>Y</entry>
1974       <entry/>
1975     </row>
1976     <row>
1977       <entry>26.6.4</entry>
1978       <entry>Class <code>slice</code></entry>
1979       <entry>Y</entry>
1980       <entry/>
1981     </row>
1982     <row>
1983       <entry>26.6.5</entry>
1984       <entry>Class template <code>slice_array</code></entry>
1985       <entry>Y</entry>
1986       <entry/>
1987     </row>
1988     <row>
1989       <entry>26.6.6</entry>
1990       <entry>The <code>gslice</code> class</entry>
1991       <entry>Y</entry>
1992       <entry/>
1993     </row>
1994     <row>
1995       <entry>26.6.7</entry>
1996       <entry>Class template <code>gslice_array</code></entry>
1997       <entry>Y</entry>
1998       <entry/>
1999     </row>
2000     <row>
2001       <entry>26.6.8</entry>
2002       <entry>Class template <code>mask_array</code></entry>
2003       <entry>Y</entry>
2004       <entry/>
2005     </row>
2006     <row>
2007       <entry>26.6.9</entry>
2008       <entry>Class template <code>indirect_array</code></entry>
2009       <entry>Y</entry>
2010       <entry/>
2011     </row>
2012     <row>
2013       <entry>26.6.10</entry>
2014       <entry><code>valarray</code> range access</entry>
2015       <entry>Y</entry>
2016       <entry/>
2017     </row>
2018     <row>
2019       <entry>26.7</entry>
2020       <entry>Generalized numeric operations</entry>
2021       <entry/>
2022       <entry/>
2023     </row>
2024     <row>
2025       <entry>26.7.1</entry>
2026       <entry>Header <code>&lt;numeric&gt;</code> synopsis</entry>
2027       <entry>Y</entry>
2028       <entry/>
2029     </row>
2030     <row>
2031       <entry>26.7.2</entry>
2032       <entry><code>accumulate</code></entry>
2033       <entry>Y</entry>
2034       <entry/>
2035     </row>
2036     <row>
2037       <entry>26.7.3</entry>
2038       <entry><code>inner_product</code></entry>
2039       <entry>Y</entry>
2040       <entry/>
2041     </row>
2042     <row>
2043       <entry>26.7.4</entry>
2044       <entry><code>partial_sum</code></entry>
2045       <entry>Y</entry>
2046       <entry/>
2047     </row>
2048     <row>
2049       <entry>26.7.5</entry>
2050       <entry><code>adjacent_difference</code></entry>
2051       <entry>Y</entry>
2052       <entry/>
2053     </row>
2054     <row>
2055       <entry>26.7.6</entry>
2056       <entry>iota</entry>
2057       <entry>Y</entry>
2058       <entry/>
2059     </row>
2060     <row>
2061       <entry>26.8</entry>
2062       <entry>C Library</entry>
2063       <entry>Y</entry>
2064       <entry/>
2065     </row>
2066     <row>
2067       <entry>
2068         <emphasis>27</emphasis>
2069       </entry>
2070       <entry namest="c2" nameend="c4" align="left">
2071         <emphasis>Input/output library</emphasis>
2072       </entry>
2073     </row>
2074     <row>
2075       <entry>27.1</entry>
2076       <entry>General</entry>
2077       <entry>Y</entry>
2078       <entry/>
2079     </row>
2080     <row>
2081       <entry>27.2</entry>
2082       <entry>Iostreams requirements</entry>
2083       <entry>Y</entry>
2084       <entry/>
2085     </row>
2086     <row>
2087       <entry>27.2.1</entry>
2088       <entry>Imbue Limitations</entry>
2089       <entry>Y</entry>
2090       <entry/>
2091     </row>
2092     <row>
2093       <entry>27.2.2</entry>
2094       <entry>Positioning Type Limitations</entry>
2095       <entry>Y</entry>
2096       <entry/>
2097     </row>
2098     <row>
2099       <?dbhtml bgcolor="#B0B0B0" ?>
2100       <entry>27.2.3</entry>
2101       <entry>Thread safety</entry>
2102       <entry>Partial</entry>
2103       <entry/>
2104     </row>
2105     <row>
2106       <entry>27.3</entry>
2107       <entry>Forward declarations</entry>
2108       <entry>Y</entry>
2109       <entry/>
2110     </row>
2111     <row>
2112       <entry>27.4</entry>
2113       <entry>Standard iostream objects</entry>
2114       <entry>Y</entry>
2115       <entry/>
2116     </row>
2117     <row>
2118       <entry>27.4.1</entry>
2119       <entry>Overview</entry>
2120       <entry>Y</entry>
2121       <entry/>
2122     </row>
2123     <row>
2124       <entry>27.4.2</entry>
2125       <entry>Narrow stream objects</entry>
2126       <entry>Y</entry>
2127       <entry/>
2128     </row>
2129     <row>
2130       <entry>27.4.3</entry>
2131       <entry>Wide stream objects</entry>
2132       <entry>Y</entry>
2133       <entry/>
2134     </row>
2135     <row>
2136       <?dbhtml bgcolor="#B0B0B0" ?>
2137       <entry>27.5</entry>
2138       <entry>Iostreams base classes</entry>
2139       <entry>Partial</entry>
2140       <entry>
2141         Missing move and swap operations on <code>basic_ios</code>.
2142         Missing <code>io_errc</code> and <code>iostream_category</code>.
2143         <code>ios_base::failure</code> is not derived from <code>system_error</code>.
2144       </entry>
2145     </row>
2146     <row>
2147       <entry>27.6</entry>
2148       <entry>Stream buffers</entry>
2149       <entry>Y</entry>
2150       <entry/>
2151     </row>
2152     <row>
2153       <?dbhtml bgcolor="#B0B0B0" ?>
2154       <entry>27.7</entry>
2155       <entry>Formatting and manipulators</entry>
2156       <entry>Partial</entry>
2157       <entry>Missing move and swap operations</entry>
2158     </row>
2159     <row>
2160       <?dbhtml bgcolor="#B0B0B0" ?>
2161       <entry>27.8</entry>
2162       <entry>String-based streams</entry>
2163       <entry>Partial</entry>
2164       <entry>Missing move and swap operations</entry>
2165     </row>
2166     <row>
2167       <?dbhtml bgcolor="#B0B0B0" ?>
2168       <entry>27.9</entry>
2169       <entry>File-based streams</entry>
2170       <entry>Partial</entry>
2171       <entry>Missing move and swap operations</entry>
2172     </row>
2173     <row>
2174       <entry>
2175         <emphasis>28</emphasis>
2176       </entry>
2177       <entry namest="c2" nameend="c4" align="left">
2178         <emphasis>Regular expressions</emphasis>
2179       </entry>
2180     </row>
2181     <row>
2182       <?dbhtml bgcolor="#C8B0B0" ?>
2183       <entry>28.1</entry>
2184       <entry>General</entry>
2185       <entry>N</entry>
2186       <entry/>
2187     </row>
2188     <row>
2189       <?dbhtml bgcolor="#C8B0B0" ?>
2190       <entry>28.2</entry>
2191       <entry>Definitions</entry>
2192       <entry>N</entry>
2193       <entry/>
2194     </row>
2195     <row>
2196       <?dbhtml bgcolor="#C8B0B0" ?>
2197       <entry>28.3</entry>
2198       <entry>Requirements</entry>
2199       <entry>N</entry>
2200       <entry/>
2201     </row>
2202     <row>
2203       <?dbhtml bgcolor="#C8B0B0" ?>
2204       <entry>28.4</entry>
2205       <entry>Header <code>&lt;regex&gt;</code> synopsis</entry>
2206       <entry>N</entry>
2207       <entry/>
2208     </row>
2209     <row>
2210       <entry>28.5</entry>
2211       <entry>Namespace <code>std::regex_constants</code></entry>
2212       <entry>Y</entry>
2213       <entry/>
2214     </row>
2215     <row>
2216       <entry>28.6</entry>
2217       <entry>Class <code>regex_error</code></entry>
2218       <entry>Y</entry>
2219       <entry/>
2220     </row>
2221     <row>
2222       <?dbhtml bgcolor="#B0B0B0" ?>
2223       <entry>28.7</entry>
2224       <entry>Class template <code>regex_traits</code></entry>
2225       <entry>Partial</entry>
2226       <entry/>
2227     </row>
2228     <row>
2229       <?dbhtml bgcolor="#B0B0B0" ?>
2230       <entry>28.8</entry>
2231       <entry>Class template <code>basic_regex</code></entry>
2232       <entry>Partial</entry>
2233       <entry/>
2234     </row>
2235     <row>
2236       <?dbhtml bgcolor="#B0B0B0" ?>
2237       <entry>28.9</entry>
2238       <entry>Class template <code>sub_match</code></entry>
2239       <entry>Partial</entry>
2240       <entry/>
2241     </row>
2242     <row>
2243       <?dbhtml bgcolor="#B0B0B0" ?>
2244       <entry>28.10</entry>
2245       <entry>Class template <code>match_results</code></entry>
2246       <entry>Partial</entry>
2247       <entry/>
2248     </row>
2249     <row>
2250       <?dbhtml bgcolor="#C8B0B0" ?>
2251       <entry>28.11</entry>
2252       <entry>Regular expression algorithms</entry>
2253       <entry>N</entry>
2254       <entry/>
2255     </row>
2256     <row>
2257       <?dbhtml bgcolor="#C8B0B0" ?>
2258       <entry>28.12</entry>
2259       <entry>Regular expression Iterators</entry>
2260       <entry>N</entry>
2261       <entry/>
2262     </row>
2263     <row>
2264       <?dbhtml bgcolor="#C8B0B0" ?>
2265       <entry>28.13</entry>
2266       <entry>Modified ECMAScript regular expression grammar</entry>
2267       <entry>N</entry>
2268       <entry/>
2269     </row>
2270     <row>
2271       <entry>
2272         <emphasis>29</emphasis>
2273       </entry>
2274       <entry namest="c2" nameend="c4" align="left">
2275         <emphasis>Atomic operations</emphasis>
2276       </entry>
2277     </row>
2278     <row>
2279       <entry>29.1</entry>
2280       <entry>General</entry>
2281       <entry>Y</entry>
2282       <entry/>
2283     </row>
2284     <row>
2285       <entry>29.2</entry>
2286       <entry>Header <code>&lt;atomic&gt;</code> synopsis</entry>
2287       <entry>Y</entry>
2288       <entry/>
2289     </row>
2290     <row>
2291       <?dbhtml bgcolor="#C8B0B0" ?>
2292       <entry>29.3</entry>
2293       <entry>Order and consistency</entry>
2294       <entry>N</entry>
2295       <entry/>
2296     </row>
2297     <row>
2298       <?dbhtml bgcolor="#B0B0B0" ?>
2299       <entry>29.4</entry>
2300       <entry>Lock-free property</entry>
2301       <entry>Partial</entry>
2302       <entry>Missing <code>ATOMIC_BOOL_LOCK_FREE</code> and
2303         <code>ATOMIC_POINTER_LOCK_FREE</code>.
2304         Based on _GLIBCXX_ATOMIC_PROPERTY
2305       </entry>
2306     </row>
2307     <row>
2308       <?dbhtml bgcolor="#B0B0B0" ?>
2309       <entry>29.5</entry>
2310       <entry>Atomic types</entry>
2311       <entry>Partial</entry>
2312       <entry>Missing constexpr</entry>
2313     </row>
2314     <row>
2315       <entry>29.6</entry>
2316       <entry>Operations on atomic types</entry>
2317       <entry>Y</entry>
2318       <entry/>
2319     </row>
2320     <row>
2321       <entry>29.7</entry>
2322       <entry>Flag Type and operations</entry>
2323       <entry>Y</entry>
2324       <entry/>
2325     </row>
2326     <row>
2327       <?dbhtml bgcolor="#C8B0B0" ?>
2328       <entry>29.8</entry>
2329       <entry>Fences</entry>
2330       <entry>N</entry>
2331       <entry/>
2332     </row>
2333     <row>
2334       <entry>
2335         <emphasis>30</emphasis>
2336       </entry>
2337       <entry namest="c2" nameend="c4" align="left">
2338         <emphasis>Thread support</emphasis>
2339       </entry>
2340     </row>
2341     <row>
2342       <entry>30.1</entry>
2343       <entry>General</entry>
2344       <entry>Y</entry>
2345       <entry/>
2346     </row>
2347     <row>
2348       <entry>30.2</entry>
2349       <entry>Requirements</entry>
2350       <entry>Y</entry>
2351       <entry/>
2352     </row>
2353     <row>
2354       <entry>30.3</entry>
2355       <entry>Threads</entry>
2356       <entry/>
2357       <entry/>
2358     </row>
2359     <row>
2360       <?dbhtml bgcolor="#B0B0B0" ?>
2361       <entry>30.3.1</entry>
2362       <entry>Class <code>thread</code></entry>
2363       <entry>Partial</entry>
2364       <entry><code>thread::id</code> comparisons not well-defined</entry>
2365     </row>
2366     <row>
2367       <entry>30.3.2</entry>
2368       <entry>Namespace <code>this_thread</code></entry>
2369       <entry>Y</entry>
2370       <entry/>
2371     </row>
2372     <row>
2373       <entry>30.4</entry>
2374       <entry>Mutual exclusion</entry>
2375       <entry/>
2376       <entry/>
2377     </row>
2378     <row>
2379       <entry>30.4.1</entry>
2380       <entry>Mutex requirements</entry>
2381       <entry/>
2382       <entry/>
2383     </row>
2384     <row>
2385       <entry>30.4.1.1</entry>
2386       <entry>In general</entry>
2387       <entry/>
2388       <entry/>
2389     </row>
2390     <row>
2391       <entry>30.4.1.2</entry>
2392       <entry>Mutex types</entry>
2393       <entry/>
2394       <entry/>
2395     </row>
2396     <row>
2397       <entry>30.4.1.2.1</entry>
2398       <entry>Class <code>mutex</code></entry>
2399       <entry>Y</entry>
2400       <entry/>
2401     </row>
2402     <row>
2403       <entry>30.4.1.2.2</entry>
2404       <entry>Class <code>recursive_mutex</code></entry>
2405       <entry>Y</entry>
2406       <entry/>
2407     </row>
2408     <row>
2409       <entry>30.4.1.3</entry>
2410       <entry>Timed mutex types</entry>
2411       <entry/>
2412       <entry>On POSIX sytems these types are only defined if the OS
2413          supports the POSIX Timeouts option. </entry>
2414     </row>
2415     <row>
2416       <entry>30.4.1.3.1</entry>
2417       <entry>Class <code>timed_mutex</code></entry>
2418       <entry>Y</entry>
2419       <entry/>
2420     </row>
2421     <row>
2422       <entry>30.4.1.3.2</entry>
2423       <entry>Class <code>recursive_timed_mutex</code></entry>
2424       <entry>Y</entry>
2425       <entry/>
2426     </row>
2427     <row>
2428       <entry>30.4.2</entry>
2429       <entry>Locks</entry>
2430       <entry/>
2431       <entry/>
2432     </row>
2433     <row>
2434       <entry>30.4.2.1</entry>
2435       <entry>Class template <code>lock_guard</code></entry>
2436       <entry>Y</entry>
2437       <entry/>
2438     </row>
2439     <row>
2440       <entry>30.4.2.2</entry>
2441       <entry>Class template <code>unique_lock</code></entry>
2442       <entry>Y</entry>
2443       <entry/>
2444     </row>
2445     <row>
2446       <entry>30.4.3</entry>
2447       <entry>Generic locking algorithms</entry>
2448       <entry>Y</entry>
2449       <entry/>
2450     </row>
2451     <row>
2452       <entry>30.4.4</entry>
2453       <entry>Call once</entry>
2454       <entry/>
2455       <entry/>
2456     </row>
2457     <row>
2458       <entry>30.4.4.1</entry>
2459       <entry>Struct <code>once_flag</code></entry>
2460       <entry>Y</entry>
2461       <entry/>
2462     </row>
2463     <row>
2464       <entry>30.4.4.2</entry>
2465       <entry>Function <code>call_once</code></entry>
2466       <entry>Y</entry>
2467       <entry/>
2468     </row>
2469     <row>
2470       <?dbhtml bgcolor="#B0B0B0" ?>
2471       <entry>30.5</entry>
2472       <entry>Condition variables</entry>
2473       <entry>Partial</entry>
2474       <entry>Missing notify_all_at_thread_exit</entry>
2475     </row>
2476     <row>
2477       <entry>30.5.1</entry>
2478       <entry>Class <code>condition_variable</code></entry>
2479       <entry>Y</entry>
2480       <entry/>
2481     </row>
2482     <row>
2483       <entry>30.5.2</entry>
2484       <entry>Class <code>condition_variable_any</code></entry>
2485       <entry>Y</entry>
2486       <entry/>
2487     </row>
2488     <row>
2489       <entry>30.6</entry>
2490       <entry>Futures</entry>
2491       <entry/>
2492       <entry/>
2493     </row>
2494     <row>
2495       <entry>30.6.1</entry>
2496       <entry>Overview</entry>
2497       <entry/>
2498       <entry/>
2499     </row>
2500     <row>
2501       <entry>30.6.2</entry>
2502       <entry>Error handling</entry>
2503       <entry>Y</entry>
2504       <entry/>
2505     </row>
2506     <row>
2507       <entry>30.6.3</entry>
2508       <entry>Class <code>future_error</code></entry>
2509       <entry>Y</entry>
2510       <entry/>
2511     </row>
2512     <row>
2513       <entry>30.6.4</entry>
2514       <entry>Shared state</entry>
2515       <entry>Y</entry>
2516       <entry/>
2517     </row>
2518     <row>
2519       <?dbhtml bgcolor="#B0B0B0" ?>
2520       <entry>30.6.5</entry>
2521       <entry>Class template <code>promise</code></entry>
2522       <entry>Partial</entry>
2523       <entry>Missing set_*_at_thread_exit</entry>
2524     </row>
2525     <row>
2526       <?dbhtml bgcolor="#B0B0B0" ?>
2527       <entry>30.6.6</entry>
2528       <entry>Class template <code>future</code></entry>
2529       <entry>Partial</entry>
2530       <entry>Timed waiting functions do not return future_status</entry>
2531     </row>
2532     <row>
2533       <?dbhtml bgcolor="#B0B0B0" ?>
2534       <entry>30.6.7</entry>
2535       <entry>Class template <code>shared_future</code></entry>
2536       <entry>Partial</entry>
2537       <entry>Timed waiting functions do not return future_status</entry>
2538     </row>
2539     <row>
2540       <entry>30.6.8</entry>
2541       <entry>Function template <code>async</code></entry>
2542       <entry>Y</entry>
2543       <entry/>
2544     </row>
2545     <row>
2546       <?dbhtml bgcolor="#B0B0B0" ?>
2547       <entry>30.6.9</entry>
2548       <entry>Class template <code>packaged_task</code></entry>
2549       <entry>Partial</entry>
2550       <entry>Missing make_ready_at_thread_exit</entry>
2551     </row>
2552     <row>
2553       <entry>
2554         <emphasis>Appendix D</emphasis>
2555       </entry>
2556       <entry namest="c2" nameend="c4" align="left">
2557         <emphasis>Compatibility features</emphasis>
2558       </entry>
2559     </row>
2560     <row>
2561       <entry>D.1</entry>
2562       <entry>Increment operator with <code>bool</code> operand</entry>
2563       <entry/>
2564       <entry/>
2565     </row>
2566     <row>
2567       <entry>D.2</entry>
2568       <entry><code>register</code> keyword</entry>
2569       <entry/>
2570       <entry/>
2571     </row>
2572     <row>
2573       <entry>D.3</entry>
2574       <entry>Implicit declaration of copy functions</entry>
2575       <entry/>
2576       <entry/>
2577     </row>
2578     <row>
2579       <entry>D.4</entry>
2580       <entry>Dynamic exception specifications</entry>
2581       <entry/>
2582       <entry/>
2583     </row>
2584     <row>
2585       <entry>D.5</entry>
2586       <entry>C standard library headers</entry>
2587       <entry/>
2588       <entry/>
2589     </row>
2590     <row>
2591       <entry>D.6</entry>
2592       <entry>Old iostreams members</entry>
2593       <entry/>
2594       <entry/>
2595     </row>
2596     <row>
2597       <entry>D.7</entry>
2598       <entry><code>char*</code> streams</entry>
2599       <entry/>
2600       <entry/>
2601     </row>
2602     <row>
2603       <entry>D.8</entry>
2604       <entry>Function objects</entry>
2605       <entry/>
2606       <entry/>
2607     </row>
2608     <row>
2609       <entry>D.9</entry>
2610       <entry>Binders</entry>
2611       <entry/>
2612       <entry/>
2613     </row>
2614     <row>
2615       <entry>D.10</entry>
2616       <entry><code>auto_ptr</code></entry>
2617       <entry/>
2618       <entry/>
2619     </row>
2620     <row>
2621       <entry>D.11</entry>
2622       <entry>Violating exception-specifications</entry>
2623       <entry/>
2624       <entry/>
2625     </row>
2626
2627   </tbody>
2628 </tgroup>
2629 </table>
2630
2631 <section xml:id="iso.2011.specific" xreflabel="Implementation Specific"><info><title>Implementation Specific Behavior</title></info>
2632
2633    <para>For behaviour which is also specified by the 1998 and 2003 standards,
2634       see <link linkend="iso.1998.specific">C++ 1998/2003 Implementation
2635       Specific Behavior</link>. This section only documents behaviour which
2636       is new in the 2011 standard.
2637    </para>
2638
2639    <para>
2640       <emphasis>20.8.9.1.3 [func.bind.place]/1</emphasis> There are 29
2641       placeholders defined and the placeholder types are
2642       <literal>CopyAssignable</literal>.
2643    </para>
2644
2645    <para>
2646       <emphasis>30.2.3 [thread.req.native]/1</emphasis>
2647       <classname>native_handle_type</classname> and
2648       <methodname>native_handle</methodname> are provided. The handle types
2649       are defined in terms of the Gthreads abstraction layer.
2650       <itemizedlist>
2651          <listitem><para><classname>thread</classname>: The native handle type is
2652             a typedef for <code>__gthread_t</code> i.e. <code>pthread_t</code>
2653             when GCC is configured with the <literal>posix</literal> thread
2654             model. The value of the native handle is undefined for a thread
2655             which is not joinable.
2656          </para></listitem>
2657          <listitem><para><classname>mutex</classname> and
2658             <classname>timed_mutex</classname>:
2659             The native handle type is <code>__gthread_mutex_t*</code> i.e.
2660             <code>pthread_mutex_t*</code> for the <literal>posix</literal>
2661             thread model.
2662          </para></listitem>
2663          <listitem><para><classname>recursive_mutex</classname> and
2664          <classname>recursive_timed_mutex</classname>:
2665             The native handle type is <code>__gthread_recursive_mutex_t*</code>
2666             i.e. <code>pthread_mutex_t*</code> for the <literal>posix</literal>
2667             thread model.
2668          </para></listitem>
2669          <listitem><para><classname>condition_variable</classname>: The native
2670             handle type is <code>__gthread_cond_t*</code> i.e.
2671             <code>pthread_cond_t*</code> for the <literal>posix</literal>
2672             thread model.
2673          </para></listitem>
2674       </itemizedlist>
2675    </para>
2676
2677    <para>
2678       <emphasis>30.6.1 [futures.overview]/2</emphasis>
2679       <code>launch</code> is a scoped enumeration type with
2680       overloaded operators to support bitmask operations. There are no
2681       additional bitmask elements defined.
2682    </para>
2683
2684 </section>
2685
2686 </section>