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27f36b78 1<?xml version="1.0" encoding="UTF-8" standalone="no"?>
fa93ca85 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Chapter 1. Status</title><meta name="generator" content="DocBook XSL-NS Stylesheets V1.78.1" /><meta name="keywords" content="ISO C++, library" /><meta name="keywords" content="ISO C++, runtime, library" /><link rel="home" href="../index.html" title="The GNU C++ Library" /><link rel="up" href="intro.html" title="Part I.  Introduction" /><link rel="prev" href="intro.html" title="Part I.  Introduction" /><link rel="next" href="license.html" title="License" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 1. Status</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="intro.html">Prev</a> </td><th width="60%" align="center">Part I. 
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3 Introduction
4
1d15ed75 5</th><td width="20%" align="right"> <a accesskey="n" href="license.html">Next</a></td></tr></table><hr /></div><div class="chapter"><div class="titlepage"><div><div><h2 class="title"><a id="manual.intro.status"></a>Chapter 1. Status</h2></div></div></div><div class="toc"><p><strong>Table of Contents</strong></p><dl class="toc"><dt><span class="section"><a href="status.html#manual.intro.status.iso">Implementation Status</a></span></dt><dd><dl><dt><span class="section"><a href="status.html#status.iso.1998">C++ 1998/2003</a></span></dt><dd><dl><dt><span class="section"><a href="status.html#iso.1998.status">Implementation Status</a></span></dt><dt><span class="section"><a href="status.html#iso.1998.specific">Implementation Specific Behavior</a></span></dt></dl></dd><dt><span class="section"><a href="status.html#status.iso.2011">C++ 2011</a></span></dt><dd><dl><dt><span class="section"><a href="status.html#iso.2011.specific">Implementation Specific Behavior</a></span></dt></dl></dd><dt><span class="section"><a href="status.html#status.iso.2014">C++ 2014</a></span></dt><dt><span class="section"><a href="status.html#status.iso.201z">C++ 201z</a></span></dt><dt><span class="section"><a href="status.html#status.iso.tr1">C++ TR1</a></span></dt><dd><dl><dt><span class="section"><a href="status.html#iso.tr1.specific">Implementation Specific Behavior</a></span></dt></dl></dd><dt><span class="section"><a href="status.html#status.iso.tr24733">C++ TR 24733</a></span></dt></dl></dd><dt><span class="section"><a href="license.html">License</a></span></dt><dd><dl><dt><span class="section"><a href="license.html#manual.intro.status.license.gpl">The Code: GPL</a></span></dt><dt><span class="section"><a href="license.html#manual.intro.status.license.fdl">The Documentation: GPL, FDL</a></span></dt></dl></dd><dt><span class="section"><a href="bugs.html">Bugs</a></span></dt><dd><dl><dt><span class="section"><a href="bugs.html#manual.intro.status.bugs.impl">Implementation Bugs</a></span></dt><dt><span class="section"><a href="bugs.html#manual.intro.status.bugs.iso">Standard Bugs</a></span></dt></dl></dd></dl></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="manual.intro.status.iso"></a>Implementation Status</h2></div></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="status.iso.1998"></a>C++ 1998/2003</h3></div></div></div><div class="section"><div class="titlepage"><div><div><h4 class="title"><a id="iso.1998.status"></a>Implementation Status</h4></div></div></div><p>
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6This status table is based on the table of contents of ISO/IEC 14882:2003.
7</p><p>
bb7dcd0e 8This page describes the C++ support in mainline GCC SVN, not in any
6ae8f77d 9particular release.
109a3af4 10</p><div class="table"><a id="table.cxx98_status"></a><p class="title"><strong>Table 1.1. C++ 1998/2003 Implementation Status</strong></p><div class="table-contents"><table summary="C++ 1998/2003 Implementation Status" border="1"><colgroup><col align="left" class="c1" /><col align="left" class="c2" /><col align="left" class="c3" /><col align="left" class="c4" /></colgroup><thead><tr><th align="left">Section</th><th align="left">Description</th><th align="left">Status</th><th align="left">Comments</th></tr></thead><tbody><tr><td align="left">
6ae8f77d 11 <span class="emphasis"><em>18</em></span>
6247d6df 12 </td><td colspan="3" align="left">
6ae8f77d 13 <span class="emphasis"><em>Language support</em></span>
6247d6df 14 </td></tr><tr><td align="left">18.1</td><td align="left">Types</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.2</td><td align="left">Implementation properties</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.2.1</td><td align="left">Numeric Limits</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">18.2.1.1</td><td align="left">Class template <code class="code">numeric_limits</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.2.1.2</td><td align="left"><code class="code">numeric_limits</code> members</td><td align="left">Y</td><td class="auto-generated"> </td></tr><tr><td align="left">18.2.1.3</td><td align="left"><code class="code">float_round_style</code></td><td align="left">Y</td><td class="auto-generated"> </td></tr><tr><td align="left">18.2.1.4</td><td align="left"><code class="code">float_denorm_style</code></td><td align="left">Y</td><td class="auto-generated"> </td></tr><tr><td align="left">18.2.1.5</td><td align="left"><code class="code">numeric_limits</code> specializations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.2.2</td><td align="left">C Library</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.3</td><td align="left">Start and termination</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.4</td><td align="left">Dynamic memory management</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.5</td><td align="left">Type identification</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">18.5.1</td><td align="left">Class type_info</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.5.2</td><td align="left">Class bad_cast</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.5.3</td><td align="left">Class bad_typeid</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.6</td><td align="left">Exception handling</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">18.6.1</td><td align="left">Class exception</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.6.2</td><td align="left">Violation exception-specifications</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.6.3</td><td align="left">Abnormal termination</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.6.4</td><td align="left"><code class="code">uncaught_exception</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.7</td><td align="left">Other runtime support</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 15 <span class="emphasis"><em>19</em></span>
6247d6df 16 </td><td colspan="3" align="left">
6ae8f77d 17 <span class="emphasis"><em>Diagnostics</em></span>
6247d6df 18 </td></tr><tr><td align="left">19.1</td><td align="left">Exception classes</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">19.2</td><td align="left">Assertions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">19.3</td><td align="left">Error numbers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 19 <span class="emphasis"><em>20</em></span>
6247d6df 20 </td><td colspan="3" align="left">
6ae8f77d 21 <span class="emphasis"><em>General utilities</em></span>
6247d6df 22 </td></tr><tr><td align="left">20.1</td><td align="left">Requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.2</td><td align="left">Utility components</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.2.1</td><td align="left">Operators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.2.2</td><td align="left"><code class="code">pair</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.3</td><td align="left">Function objects</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.3.1</td><td align="left">Base</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.3.2</td><td align="left">Arithmetic operation</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.3.3</td><td align="left">Comparisons</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.3.4</td><td align="left">Logical operations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.3.5</td><td align="left">Negators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.3.6</td><td align="left">Binders</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.3.7</td><td align="left">Adaptors for pointers to functions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.3.8</td><td align="left">Adaptors for pointers to members</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.4</td><td align="left">Memory</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.4.1</td><td align="left">The default allocator</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.4.2</td><td align="left">Raw storage iterator</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.4.3</td><td align="left">Temporary buffers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.4.4</td><td align="left">Specialized algorithms</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.4.4.1</td><td align="left"><code class="code">uninitialized_copy</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.4.4.2</td><td align="left"><code class="code">uninitialized_fill</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.4.4.3</td><td align="left"><code class="code">uninitialized_fill_n</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.4.5</td><td align="left">Class template <code class="code">auto_ptr</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.4.6</td><td align="left">C library</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 23 <span class="emphasis"><em>21</em></span>
6247d6df 24 </td><td colspan="3" align="left">
6ae8f77d 25 <span class="emphasis"><em>Strings</em></span>
6247d6df 26 </td></tr><tr><td align="left">21.1</td><td align="left">Character traits</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">21.1.1</td><td align="left">Character traits requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">21.1.2</td><td align="left">traits typedef</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">21.1.3</td><td align="left"><code class="code">char_traits</code> specializations</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">21.1.3.1</td><td align="left">struct <code class="code">char_traits&lt;char&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">21.1.3.2</td><td align="left">struct <code class="code">char_traits&lt;wchar_t&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">21.2</td><td align="left">String classes</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">21.3</td><td align="left">Class template <code class="code">basic_string</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">21.4</td><td align="left">Null-terminated sequence utilities</td><td align="left">Y</td><td align="left">C library dependency</td></tr><tr><td align="left">
6ae8f77d 27 <span class="emphasis"><em>22</em></span>
6247d6df 28 </td><td colspan="3" align="left">
6ae8f77d 29 <span class="emphasis"><em>Localization</em></span>
6247d6df 30 </td></tr><tr><td align="left">22.1</td><td align="left">Locales</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">22.1.1</td><td align="left">Class <code class="code">locale</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.1.2</td><td align="left"><code class="code">locale</code> globals</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.1.3</td><td align="left">Convenience interfaces</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">22.1.3.1</td><td align="left">Character classification</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.1.3.2</td><td align="left">Character conversions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.2</td><td align="left">Standard locale categories</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">22.2.1</td><td align="left"><code class="code">ctype</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.2.2</td><td align="left">Numeric</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">22.2.2.1</td><td align="left"><code class="code">num_get</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.2.2.2</td><td align="left"><code class="code">num_put</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.2.3</td><td align="left"><code class="code">num_punct</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.2.4</td><td align="left"><code class="code">collate</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.2.5</td><td align="left">Time</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">22.2.5.1</td><td align="left"><code class="code">time_get</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.2.5.2</td><td align="left"><code class="code">time_get_byname</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.2.5.3</td><td align="left"><code class="code">time_put</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.2.5.3</td><td align="left"><code class="code">time_put_byname</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.2.6</td><td align="left">Monetary</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">22.2.6.1</td><td align="left"><code class="code">money_get</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.2.6.2</td><td align="left"><code class="code">money_put</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.2.6.3</td><td align="left"><code class="code">money_punct</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.2.6.4</td><td align="left"><code class="code">money_punct_byname</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.2.7</td><td align="left"><code class="code">messages</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.2.8</td><td align="left">Program-defined facets</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.3</td><td align="left">C Library Locales</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 31 <span class="emphasis"><em>23</em></span>
6247d6df 32 </td><td colspan="3" align="left">
6ae8f77d 33 <span class="emphasis"><em>Containers</em></span>
6247d6df 34 </td></tr><tr><td align="left">23.1</td><td align="left">Container requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.2</td><td align="left">Sequence containers</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">23.2.1</td><td align="left">Class template <code class="code">deque</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.2.2</td><td align="left">Class template <code class="code">list</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.2.3</td><td align="left">Adaptors</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">23.2.3.1</td><td align="left">Class template <code class="code">queue</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.2.3.2</td><td align="left">Class template <code class="code">priority_queue</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.2.3.3</td><td align="left">Class template <code class="code">stack</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.2.4</td><td align="left">Class template <code class="code">vector</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.2.5</td><td align="left">Class <code class="code">vector&lt;bool&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.3</td><td align="left">Associative containers</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">23.3.1</td><td align="left">Class template <code class="code">map</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.3.2</td><td align="left">Class template <code class="code">multimap</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.3.3</td><td align="left">Class template <code class="code">set</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.3.4</td><td align="left">Class template <code class="code">multiset</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 35 <span class="emphasis"><em>24</em></span>
6247d6df 36 </td><td colspan="3" align="left">
6ae8f77d 37 <span class="emphasis"><em>Iterators</em></span>
6247d6df 38 </td></tr><tr><td align="left">24.1</td><td align="left">Requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.2</td><td align="left">Header <code class="code">&lt;iterator&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.3</td><td align="left">Iterator primitives</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.4</td><td align="left">Predefined iterators and Iterator adaptors</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">24.4.1</td><td align="left">Reverse iterators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.4.2</td><td align="left">Insert iterators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.5</td><td align="left">Stream iterators</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">24.5.1</td><td align="left">Class template <code class="code">istream_iterator</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.5.2</td><td align="left">Class template <code class="code">ostream_iterator</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.5.3</td><td align="left">Class template <code class="code">istreambuf_iterator</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.5.4</td><td align="left">Class template <code class="code">ostreambuf_iterator</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 39 <span class="emphasis"><em>25</em></span>
6247d6df 40 </td><td colspan="3" align="left">
6ae8f77d 41 <span class="emphasis"><em>Algorithms</em></span>
6247d6df 42 </td></tr><tr><td align="left">25.1</td><td align="left">Non-modifying sequence operations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">25.2</td><td align="left">Mutating sequence operations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">25.3</td><td align="left">Sorting and related operations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">25.4</td><td align="left">C library algorithms</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 43 <span class="emphasis"><em>26</em></span>
6247d6df 44 </td><td colspan="3" align="left">
6ae8f77d 45 <span class="emphasis"><em>Numerics</em></span>
6247d6df 46 </td></tr><tr><td align="left">26.1</td><td align="left">Numeric type requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.2</td><td align="left">Complex numbers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.3</td><td align="left">Numeric arrays</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">26.3.1</td><td align="left">Header <code class="code">&lt;valarray&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.3.2</td><td align="left">Class template <code class="code">valarray</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.3.3</td><td align="left"><code class="code">valarray</code> non-member operations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.3.4</td><td align="left">Class <code class="code">slice</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.3.5</td><td align="left">Class template <code class="code">slice_array</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.3.6</td><td align="left">Class <code class="code">gslice</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.3.7</td><td align="left">Class template <code class="code">gslice_array</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.3.8</td><td align="left">Class template <code class="code">mask_array</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.3.9</td><td align="left">Class template <code class="code">indirect_array</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.4</td><td align="left">Generalized numeric operations</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">26.4.1</td><td align="left"><code class="code">accumulate</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.4.2</td><td align="left"><code class="code">inner_product</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.4.3</td><td align="left"><code class="code">partial_sum</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.4.4</td><td align="left"><code class="code">adjacent_difference</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.4.5</td><td align="left">iota</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5</td><td align="left">C Library</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 47 <span class="emphasis"><em>27</em></span>
6247d6df 48 </td><td colspan="3" align="left">
6ae8f77d 49 <span class="emphasis"><em>Input/output</em></span>
6247d6df 50 </td></tr><tr><td align="left">27.1</td><td align="left">Requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.2</td><td align="left">Forward declarations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.3</td><td align="left">Standard iostream objects</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.3.1</td><td align="left">Narrow stream objects</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.3.2</td><td align="left">Wide stream objects</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.4</td><td align="left">Iostreams base classes</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.5</td><td align="left">Stream buffers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.6</td><td align="left">Formatting and manipulators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.7</td><td align="left">String-based streams</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.8</td><td align="left">File-based streams</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 51 <span class="emphasis"><em>Appendix D</em></span>
6247d6df 52 </td><td colspan="3" align="left">
6ae8f77d 53 <span class="emphasis"><em>Compatibility features</em></span>
53b03cce 54 </td></tr><tr><td align="left">D.1</td><td align="left">Increment operator with bool operand</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">D.2</td><td align="left"><code class="code">static</code> keyword</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">D.3</td><td align="left">Access declarations</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">D.4</td><td align="left">Implicit conversion from const strings</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">D.5</td><td align="left">C standard library headers</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">D.6</td><td align="left">Old iostreams members</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">D.7</td><td align="left">char* streams</td><td align="left"> </td><td align="left"> </td></tr></tbody></table></div></div><br class="table-break" /></div><div class="section"><div class="titlepage"><div><div><h4 class="title"><a id="iso.1998.specific"></a>Implementation Specific Behavior</h4></div></div></div><p>
6ae8f77d 55 The ISO standard defines the following phrase:
53b03cce 56 </p><div class="blockquote"><blockquote class="blockquote"><div class="variablelist"><dl class="variablelist"><dt><span class="term">
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57 <code class="code">[1.3.5] implementation-defined behavior</code>
58 </span></dt><dd><p>
59 Behavior, for a well-formed program construct and correct data, that
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60 depends on the implementation <span class="emphasis"><em>and that each implementation
61 shall document</em></span>.
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62 </p></dd></dl></div></blockquote></div><p>
63 We do so here, for the C++ library only. Behavior of the
64 compiler, linker, runtime loader, and other elements of "the
65 implementation" are documented elsewhere. Everything listed
66 in Annex B, Implementation Qualities, are also part of the
67 compiler, not the library.
68 </p><p>
69 For each entry, we give the section number of the standard, when
70 applicable. This list is probably incomplet and inkorrekt.
71 </p><p>
72 <span class="emphasis"><em>[1.9]/11 #3</em></span> If <code class="code">isatty(3)</code> is true, then
73 interactive stream support is implied.
74 </p><p>
75 <span class="emphasis"><em>[17.4.4.5]</em></span> Non-reentrant functions are probably best
76 discussed in the various sections on multithreading (see above).
77 </p><p><span class="emphasis"><em>[18.1]/4</em></span> The type of <code class="code">NULL</code> is described
1492a408 78 under <a class="link" href="support.html#std.support.types.null" title="NULL">Support</a>.
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79 </p><p><span class="emphasis"><em>[18.3]/8</em></span> Even though it's listed in the library
80 sections, libstdc++ has zero control over what the cleanup code hands
81 back to the runtime loader. Talk to the compiler people. :-)
82 </p><p><span class="emphasis"><em>[18.4.2.1]/5</em></span> (bad_alloc),
83 <span class="emphasis"><em>[18.5.2]/5</em></span> (bad_cast),
84 <span class="emphasis"><em>[18.5.3]/5</em></span> (bad_typeid),
85 <span class="emphasis"><em>[18.6.1]/8</em></span> (exception),
86 <span class="emphasis"><em>[18.6.2.1]/5</em></span> (bad_exception): The <code class="code">what()</code>
87 member function of class <code class="code">std::exception</code>, and these other
88 classes publicly derived from it, simply returns the name of the
89 class. But they are the <span class="emphasis"><em>mangled</em></span> names; you will need to call
90 <code class="code">c++filt</code> and pass the names as command-line parameters to
91 demangle them, or call a
5e3a0ed1 92 <a class="link" href="ext_demangling.html" title="Chapter 29. Demangling">runtime demangler function</a>.
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93 (The classes in <code class="code">&lt;stdexcept&gt;</code> have constructors which
94 require an argument to use later for <code class="code">what()</code> calls, so the
95 problem of <code class="code">what()</code>'s value does not arise in most
96 user-defined exceptions.)
97 </p><p><span class="emphasis"><em>[18.5.1]/7</em></span> The return value of
98 <code class="code">std::type_info::name()</code> is the mangled type name (see the
99 previous entry for more).
100 </p><p><span class="emphasis"><em>[20.1.5]/5</em></span> <span class="emphasis"><em>"Implementors are encouraged to
101 supply libraries that can accept allocators that encapsulate more
102 general memory models and that support non-equal instances. In such
103 implementations, any requirements imposed on allocators by containers
104 beyond those requirements that appear in Table 32, and the semantics
105 of containers and algorithms when allocator instances compare
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106 non-equal, are implementation-defined."</em></span> There is experimental
107 support for non-equal allocators in the standard containers in C++98
108 mode. There are no additional requirements on allocators. It is undefined
109 behaviour to swap two containers if their allocators are not equal.
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110 </p><p><span class="emphasis"><em>[21.1.3.1]/3,4</em></span>,
111 <span class="emphasis"><em>[21.1.3.2]/2</em></span>,
112 <span class="emphasis"><em>[23.*]'s foo::iterator</em></span>,
113 <span class="emphasis"><em>[27.*]'s foo::*_type</em></span>,
114 <span class="emphasis"><em>others...</em></span>
115 Nope, these types are called implementation-defined because you
116 shouldn't be taking advantage of their underlying types. Listing them
117 here would defeat the purpose. :-)
50fbf0c3 118 </p><p><span class="emphasis"><em>[21.1.3.1]/5</em></span> I don't really know about
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119 the <span class="type">mbstate_t</span> stuff... see
120 the <a class="link" href="facets.html#std.localization.facet.codecvt" title="codecvt"><code class="code">codecvt</code>
50fbf0c3 121 notes</a> for what does exist.
6ae8f77d 122 </p><p><span class="emphasis"><em>[22.*]</em></span> Anything and everything we have on locale
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123 implementation will be described under
124 <a class="link" href="localization.html#std.localization.locales.locale" title="locale">Localization</a>.
6ae8f77d 125 </p><p><span class="emphasis"><em>[26.2.8]/9</em></span> I have no idea what
1492a408 126 <code class="code">complex&lt;T&gt;</code>'s <code class="code">pow(0,0)</code> returns.
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127 </p><p><span class="emphasis"><em>[27.4.2.4]/2</em></span> Calling
128 <code class="code">std::ios_base::sync_with_stdio</code> after I/O has already been
129 performed on the standard stream objects will
130 flush the buffers, and
131 destroy and recreate the underlying buffer instances. Whether or not
132 the previously-written I/O is destroyed in this process depends mostly
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133 on the <code class="code">--enable-libio</code> choice: for stdio, if the written
134 data is already in the stdio buffer, the data may be completely safe!
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135 </p><p><span class="emphasis"><em>[27.6.1.1.2]</em></span>,
136 <span class="emphasis"><em>[27.6.2.3]</em></span> The I/O sentry ctor and dtor can perform
137 additional work than the minimum required. We are not currently taking
138 advantage of this yet.
139 </p><p><span class="emphasis"><em>[27.7.1.3]/16</em></span>,
140 <span class="emphasis"><em>[27.8.1.4]/10</em></span>
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141 The effects of <code class="code">pubsetbuf/setbuf</code> are described in the
142 <a class="link" href="io.html" title="Chapter 13.  Input and Output">Input and Output</a> chapter.
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143 </p><p><span class="emphasis"><em>[27.8.1.4]/16</em></span> Calling <code class="code">fstream::sync</code> when
144 a get area exists will... whatever <code class="code">fflush()</code> does, I think.
53b03cce 145 </p></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="status.iso.2011"></a>C++ 2011</h3></div></div></div><p>
27f36b78 146<a id="status.iso.200x"></a>
18246ced 147This table is based on the table of contents of ISO/IEC
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148JTC1 SC22 WG21 Doc No: N3290 Date: 2011-04-11
149Final Draft International Standard, Standard for Programming Language C++
6ae8f77d 150</p><p>
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151In this implementation the <code class="literal">-std=gnu++11</code> or
152<code class="literal">-std=c++11</code> flag must be used to enable language
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153and library
154features. See <a class="link" href="using.html#manual.intro.using.flags" title="Command Options">dialect</a>
155options. The pre-defined symbol
734f5023 156<code class="constant">__cplusplus</code> is used to check for the
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157presence of the required flag.
158</p><p>
f25481f4 159This page describes the C++11 support in mainline GCC SVN, not in any
6ae8f77d 160particular release.
109a3af4 161</p><div class="table"><a id="table.cxx11_status"></a><p class="title"><strong>Table 1.2. C++ 2011 Implementation Status</strong></p><div class="table-contents"><table summary="C++ 2011 Implementation Status" border="1"><colgroup><col align="left" class="c1" /><col align="left" class="c2" /><col align="left" class="c3" /><col align="left" class="c4" /></colgroup><thead><tr><th align="left">Section</th><th align="left">Description</th><th align="left">Status</th><th align="left">Comments</th></tr></thead><tbody><tr><td align="left">
6ae8f77d 162 <span class="emphasis"><em>18</em></span>
6247d6df 163 </td><td colspan="3" align="left">
6ae8f77d 164 <span class="emphasis"><em>Language support</em></span>
fded3d73 165 </td></tr><tr><td align="left">18.1</td><td align="left">General</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.2</td><td align="left">Types</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.3</td><td align="left">Implementation properties</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">18.3.2</td><td align="left">Numeric Limits</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">18.3.2.3</td><td align="left">Class template <code class="code">numeric_limits</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.3.2.4</td><td align="left"><code class="code">numeric_limits</code> members</td><td align="left">Y</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">18.3.2.5</td><td align="left"><code class="code">float_round_style</code></td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">18.3.2.6</td><td align="left"><code class="code">float_denorm_style</code></td><td align="left">N</td><td align="left"> </td></tr><tr><td align="left">18.3.2.7</td><td align="left"><code class="code">numeric_limits</code> specializations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.3.3</td><td align="left">C Library</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.4</td><td align="left">Integer types</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">18.4.1</td><td align="left">Header <code class="code">&lt;cstdint&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr bgcolor="#B0B0B0"><td align="left">18.5</td><td align="left">Start and termination</td><td align="left">Partial</td><td align="left">C library dependency for quick_exit, at_quick_exit</td></tr><tr><td align="left">18.6</td><td align="left">Dynamic memory management</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.7</td><td align="left">Type identification</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">18.7.1</td><td align="left">Class type_info</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.7.2</td><td align="left">Class bad_cast</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.7.3</td><td align="left">Class bad_typeid</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.8</td><td align="left">Exception handling</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">18.8.1</td><td align="left">Class exception</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.8.2</td><td align="left">Class bad_exception</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.8.3</td><td align="left">Abnormal termination</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.8.4</td><td align="left"><code class="code">uncaught_exception</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.8.5</td><td align="left">Exception Propagation</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.8.6</td><td align="left"><code class="code">nested_exception</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.9</td><td align="left">Initializer lists</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">18.9.1</td><td align="left">Initializer list constructors</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.9.2</td><td align="left">Initializer list access</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.9.3</td><td align="left">Initializer list range access</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">18.10</td><td align="left">Other runtime support</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 166 <span class="emphasis"><em>19</em></span>
6247d6df 167 </td><td colspan="3" align="left">
6ae8f77d 168 <span class="emphasis"><em>Diagnostics</em></span>
3f5f1018 169 </td></tr><tr><td align="left">19.1</td><td align="left">General</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">19.2</td><td align="left">Exception classes</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">19.3</td><td align="left">Assertions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">19.4</td><td align="left">Error numbers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">19.5</td><td align="left">System error support</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">19.5.1</td><td align="left">Class <code class="code">error_category</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">19.5.2</td><td align="left">Class <code class="code">error_code</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">19.5.3</td><td align="left">Class <code class="code">error_condition</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">19.5.4</td><td align="left">Comparison operators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">19.5.5</td><td align="left">Class <code class="code">system_error</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 170 <span class="emphasis"><em>20</em></span>
6247d6df 171 </td><td colspan="3" align="left">
6ae8f77d 172 <span class="emphasis"><em>General utilities</em></span>
1d15ed75 173 </td></tr><tr><td align="left">20.1</td><td align="left">General</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.2</td><td align="left">Utility components</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.2.1</td><td align="left">Operators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.2.2</td><td align="left">Swap</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.2.3</td><td align="left"><code class="code">forward</code> and <code class="code">move</code> helpers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.2.4</td><td align="left">Function template <code class="code">declval</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.3</td><td align="left">Pairs</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.3.1</td><td align="left">In general</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.3.2</td><td align="left">Class template <code class="code">pair</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.3.3</td><td align="left">Specialized algorithms</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.3.4</td><td align="left">Tuple-like access to <code class="code">pair</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.3.5</td><td align="left">Piecewise construction</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.4</td><td align="left">Tuples</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.4.1</td><td align="left">In general</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.4.2</td><td align="left">Class template <code class="code">tuple</code></td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.4.2.1</td><td align="left">Construction</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.4.2.2</td><td align="left">Assignment</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.4.2.3</td><td align="left">Swap</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.4.2.4</td><td align="left">Tuple creation functions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.4.2.5</td><td align="left">Tuple helper classes</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.4.2.6</td><td align="left">Element access</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.4.2.7</td><td align="left">Relational operators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.4.2.8</td><td align="left">Tuple traits</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.4.2.9</td><td align="left">Tuple specialized algorithms</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.5</td><td align="left">Class template <code class="code">bitset</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.5.1</td><td align="left"><code class="code">bitset</code> constructors</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.5.2</td><td align="left"><code class="code">bitset</code> members</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.5.3</td><td align="left"><code class="code">bitset</code> hash support</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.5.4</td><td align="left"><code class="code">bitset</code> operators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.6</td><td align="left">Memory</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.6.1</td><td align="left">In general</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.6.2</td><td align="left">Header <code class="code">&lt;memory&gt;</code> synopsis</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.6.3</td><td align="left">Pointer traits</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.6.4</td><td align="left">Pointer safety</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.6.5</td><td align="left">Align</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.6.6</td><td align="left">Allocator argument tag</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.6.7</td><td align="left"><code class="code">uses_allocator</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.6.8</td><td align="left">Allocator traits</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.6.9</td><td align="left">The default allocator</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.6.10</td><td align="left">Raw storage iterator</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.6.11</td><td align="left">Temporary buffers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.6.12</td><td align="left">Specialized algorithms</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.6.12.1</td><td align="left"><code class="code">addressof</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.6.12.2</td><td align="left"><code class="code">uninitialized_copy</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.6.12.3</td><td align="left"><code class="code">uninitialized_fill</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.6.12.4</td><td align="left"><code class="code">uninitialized_fill_n</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.6.13</td><td align="left">C library</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.7</td><td align="left">Smart pointers</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.7.1</td><td align="left">Class template <code class="code">unique_ptr</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.7.2</td><td align="left">Shared-ownership pointers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.7.2.1</td><td align="left">Class <code class="code">bad_weak_ptr</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.7.2.2</td><td align="left">Class template <code class="code">shared_ptr</code></td><td align="left">Y</td><td align="left">
6ae8f77d 174 Uses code from
6247d6df 175 <a class="link" href="http://www.boost.org/libs/smart_ptr/shared_ptr.htm" target="_top">boost::shared_ptr</a>.
7d56e747 176 </td></tr><tr><td align="left">20.7.2.3</td><td align="left">Class template <code class="code">weak_ptr</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.7.2.4</td><td align="left">Class template <code class="code">emable_shared_from_this</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.7.2.5</td><td align="left"><code class="code">shared_ptr</code> atomic access</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.7.2.6</td><td align="left">Smart pointer hash support</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.8</td><td align="left">Function objects</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.8.1</td><td align="left">Definitions</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.8.2</td><td align="left">Requirements</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.8.3</td><td align="left">Class template <code class="code">reference_wrapper</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.8.4</td><td align="left">Arithmetic operation</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.8.5</td><td align="left">Comparisons</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.8.6</td><td align="left">Logical operations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.8.7</td><td align="left">Bitwise operations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.8.8</td><td align="left">Negators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.8.9</td><td align="left">Function template <code class="code">bind</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.8.10</td><td align="left">Function template <code class="code">mem_fn</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.8.11</td><td align="left">Polymorphic function wrappers</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.8.11.1</td><td align="left">Class <code class="code">bad_function_call</code></td><td align="left">Y</td><td align="left"> </td></tr><tr bgcolor="#B0B0B0"><td align="left">20.8.11.2</td><td align="left">Class template <code class="code">function</code></td><td align="left">Partial</td><td align="left">Missing allocator support</td></tr><tr><td align="left">20.8.12</td><td align="left">Class template <code class="code">hash</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.9</td><td align="left">Metaprogramming and type traits</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.9.1</td><td align="left">Requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.9.2</td><td align="left">Header <code class="code">&lt;type_traits&gt;</code> synopsis</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.9.3</td><td align="left">Helper classes</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.9.4</td><td align="left">Unary Type Traits</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.9.4.1</td><td align="left">Primary type categories</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.9.4.2</td><td align="left">Composite type traits</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.9.4.3</td><td align="left">Type properties</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.9.5</td><td align="left">Type property queries</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.9.6</td><td align="left">Relationships between types</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.9.7</td><td align="left">Transformations between types</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.9.7.1</td><td align="left">Const-volatile modifications</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.9.7.2</td><td align="left">Reference modifications</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.9.7.3</td><td align="left">Sign modifications</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.9.7.4</td><td align="left">Array modifications</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.9.7.5</td><td align="left">Pointer modifications</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.9.7.6</td><td align="left">Other transformations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.10</td><td align="left">Compile-time rational arithmetic</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.10.1</td><td align="left">In general</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.10.2</td><td align="left">Header <code class="code">&lt;ratio&gt;</code> synopsis</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.10.3</td><td align="left">Class template <code class="code">ratio</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.10.4</td><td align="left">Arithmetic on <code class="code">ratio</code>s</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.10.5</td><td align="left">Comparison of <code class="code">ratio</code>s</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.10.6</td><td align="left">SI types for <code class="code">ratio</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.11</td><td align="left">Time utilities</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.11.3</td><td align="left">Clock requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.11.4</td><td align="left">Time-related traits</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.11.4.1</td><td align="left"><code class="code">treat_as_floating_point</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.11.4.2</td><td align="left"><code class="code">duration_values</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.11.4.3</td><td align="left">Specializations of <code class="code">common_type</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.11.5</td><td align="left">Class template <code class="code">duration</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.11.6</td><td align="left">Class template <code class="code">time_point</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.11.7</td><td align="left">Clocks</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.11.7.1</td><td align="left">Class <code class="code">system_clock</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.11.7.2</td><td align="left">Class <code class="code">steady_clock</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.11.7.3</td><td align="left">Class <code class="code">high_resolution_clock</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.11.8</td><td align="left">Date and time functions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.12</td><td align="left">Scoped allocator adaptor</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.12.1</td><td align="left">Header <code class="code">&lt;scoped_allocator&gt;</code> synopsis</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">20.12.2</td><td align="left">Scoped allocator adaptor member types</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.12.3</td><td align="left">Scoped allocator adaptor constructors</td><td align="left">Y</td><td align="left"> </td></tr><tr bgcolor="#B0B0B0"><td align="left">20.12.4</td><td align="left">Scoped allocator adaptor members</td><td align="left">Partial</td><td align="left">OUTERMOST is not recursive.</td></tr><tr><td align="left">20.12.5</td><td align="left">Scoped allocator operators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">20.13</td><td align="left">Class <code class="code">type_index</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 177 <span class="emphasis"><em>21</em></span>
6247d6df 178 </td><td colspan="3" align="left">
6ae8f77d 179 <span class="emphasis"><em>Strings</em></span>
7d56e747 180 </td></tr><tr><td align="left">21.1</td><td align="left">General</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">21.2</td><td align="left">Character traits</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">21.2.1</td><td align="left">Character traits requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">21.2.2</td><td align="left">traits typedefs</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">21.2.3</td><td align="left"><code class="code">char_traits</code> specializations</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">21.2.3.1</td><td align="left">struct <code class="code">char_traits&lt;char&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">21.2.3.2</td><td align="left">struct <code class="code">char_traits&lt;char16_t&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">21.2.3.3</td><td align="left">struct <code class="code">char_traits&lt;char32_t&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">21.2.3.4</td><td align="left">struct <code class="code">char_traits&lt;wchar_t&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">21.3</td><td align="left">String classes</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">21.4</td><td align="left">Class template <code class="code">basic_string</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">21.5</td><td align="left">Numeric Conversions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">21.6</td><td align="left">Hash support</td><td align="left">Y</td><td align="left"> </td></tr><tr bgcolor="#B0B0B0"><td align="left">21.7</td><td align="left">Null-terminated sequence utilities</td><td align="left">Partial</td><td align="left">C library dependency.
55d2e499 181 Missing <code class="filename">&lt;cuchar&gt;</code>
6247d6df 182 </td></tr><tr><td align="left">
6ae8f77d 183 <span class="emphasis"><em>22</em></span>
6247d6df 184 </td><td colspan="3" align="left">
6ae8f77d 185 <span class="emphasis"><em>Localization</em></span>
21c4af43 186 </td></tr><tr><td align="left">22.1</td><td align="left">General</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.2</td><td align="left">Header <code class="code">&lt;locale&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.3</td><td align="left">Locales</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">22.3.1</td><td align="left">Class <code class="code">locale</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.3.2</td><td align="left"><code class="code">locale</code> globals</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.3.3</td><td align="left">Convenience interfaces</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">22.3.3.1</td><td align="left">Character classification</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.3.3.2</td><td align="left">Conversions</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">22.3.3.2.1</td><td align="left">Character conversions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.3.3.2.2</td><td align="left"><code class="code">string</code> conversions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.3.3.2.3</td><td align="left">Buffer conversions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.4</td><td align="left">Standard <code class="code">locale</code> categories</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">22.4.1</td><td align="left">The <code class="code">ctype</code> category</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.4.2</td><td align="left">The numeric category</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">22.4.2.1</td><td align="left"><code class="code">num_get</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.4.2.2</td><td align="left"><code class="code">num_put</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.4.3</td><td align="left">The numeric punctuation facet</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.4.4</td><td align="left">The collate category</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.4.5</td><td align="left">The time category</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">22.4.5.1</td><td align="left">Class template <code class="code">time_get</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.4.5.2</td><td align="left">Class template <code class="code">time_get_byname</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.4.5.3</td><td align="left">Class template <code class="code">time_put</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.4.5.3</td><td align="left">Class template <code class="code">time_put_byname</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.4.6</td><td align="left">The monetary category</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">22.4.6.1</td><td align="left">Class template <code class="code">money_get</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.4.6.2</td><td align="left">Class template <code class="code">money_put</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.4.6.3</td><td align="left">Class template <code class="code">money_punct</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.4.6.4</td><td align="left">Class template <code class="code">money_punct_byname</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.4.7</td><td align="left">The message retrieval category</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.4.8</td><td align="left">Program-defined facets</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.5</td><td align="left">Standard code conversion facets</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">22.6</td><td align="left">C Library Locales</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 187 <span class="emphasis"><em>23</em></span>
6247d6df 188 </td><td colspan="3" align="left">
6ae8f77d 189 <span class="emphasis"><em>Containers</em></span>
24f21354
JW
190 </td></tr><tr><td align="left">23.1</td><td align="left">General</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">23.2</td><td align="left">Container requirements</td><td align="left"> </td><td align="left"> </td></tr><tr bgcolor="#B0B0B0"><td align="left">23.2.1</td><td align="left">General container requirements</td><td align="left">Partial</td><td align="left"><code class="code">list</code> does not meet the requirements
191 relating to allocator use and propagation.</td></tr><tr><td align="left">23.2.2</td><td align="left">Container data races</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.2.3</td><td align="left">Sequence containers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.2.4</td><td align="left">Associative containers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.2.5</td><td align="left">Unordered associative containers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.3</td><td align="left">Sequence containers</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">23.3.2</td><td align="left">Class template <code class="code">array</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.3.3</td><td align="left">Class template <code class="code">deque</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.3.4</td><td align="left">Class template <code class="code">forward_list</code></td><td align="left">Y</td><td align="left"> </td></tr><tr bgcolor="#B0B0B0"><td align="left">23.3.5</td><td align="left">Class template <code class="code">list</code></td><td align="left">Partial</td><td align="left">Incomplete allocator support.</td></tr><tr><td align="left">23.3.6</td><td align="left">Class template <code class="code">vector</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.3.7</td><td align="left">Class <code class="code">vector&lt;bool&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.4</td><td align="left">Associative containers</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">23.4.4</td><td align="left">Class template <code class="code">map</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.4.5</td><td align="left">Class template <code class="code">multimap</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.4.6</td><td align="left">Class template <code class="code">set</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.4.7</td><td align="left">Class template <code class="code">multiset</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.5</td><td align="left">Unordered associative containers</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">23.5.4</td><td align="left">Class template <code class="code">unordered_map</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.5.5</td><td align="left">Class template <code class="code">unordered_multimap</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.5.6</td><td align="left">Class template <code class="code">unordered_set</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.5.7</td><td align="left">Class template <code class="code">unordered_multiset</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.6</td><td align="left">Container adaptors</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">23.6.1</td><td align="left">Class template <code class="code">queue</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.6.2</td><td align="left">Class template <code class="code">priority_queue</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">23.6.3</td><td align="left">Class template <code class="code">stack</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 192 <span class="emphasis"><em>24</em></span>
6247d6df 193 </td><td colspan="3" align="left">
6ae8f77d 194 <span class="emphasis"><em>Iterators</em></span>
6247d6df 195 </td></tr><tr><td align="left">24.1</td><td align="left">General</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.2</td><td align="left">Iterator requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.3</td><td align="left">Header <code class="code">&lt;iterator&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.4</td><td align="left">Iterator primitives</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.5</td><td align="left">Iterator adaptors</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">24.5.1</td><td align="left">Reverse iterators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.5.2</td><td align="left">Insert iterators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.5.3</td><td align="left">Move iterators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.6</td><td align="left">Stream iterators</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">24.6.1</td><td align="left">Class template <code class="code">istream_iterator</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.6.2</td><td align="left">Class template <code class="code">ostream_iterator</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.6.3</td><td align="left">Class template <code class="code">istreambuf_iterator</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.6.4</td><td align="left">Class template <code class="code">ostreambuf_iterator</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">24.6.5</td><td align="left">range access</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 196 <span class="emphasis"><em>25</em></span>
6247d6df 197 </td><td colspan="3" align="left">
6ae8f77d 198 <span class="emphasis"><em>Algorithms</em></span>
21c4af43 199 </td></tr><tr><td align="left">25.1</td><td align="left">General</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">25.2</td><td align="left">Non-modifying sequence operations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">25.3</td><td align="left">Mutating sequence operations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">25.4</td><td align="left">Sorting and related operations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">25.5</td><td align="left">C library algorithms</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 200 <span class="emphasis"><em>26</em></span>
6247d6df 201 </td><td colspan="3" align="left">
6ae8f77d 202 <span class="emphasis"><em>Numerics</em></span>
21c4af43 203 </td></tr><tr><td align="left">26.1</td><td align="left">General</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.2</td><td align="left">Numeric type requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.3</td><td align="left">The floating-point environment</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.4</td><td align="left">Complex numbers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5</td><td align="left">Random number generation</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">26.5.1</td><td align="left">Requirements</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">26.5.2</td><td align="left">Header <code class="code">&lt;random&gt;</code> synopsis</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">26.5.3</td><td align="left">Random number engine class templates</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">26.5.3.1</td><td align="left">Class template <code class="code">linear_congruential_engine</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.3.2</td><td align="left">Class template <code class="code">mersenne_twister_engine</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.3.3</td><td align="left">Class template <code class="code">subtract_with_carry_engine</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.4</td><td align="left">Random number engine adaptor class templates</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">26.5.4.2</td><td align="left">Class template <code class="code">discard_block_engine</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.4.3</td><td align="left">Class template <code class="code">independent_bits_engine</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.4.4</td><td align="left">Class template <code class="code">shuffle_order_engine</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.5</td><td align="left">Engines and engine adaptors with predefined parameters</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.6</td><td align="left">Class <code class="code">random_device</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.7</td><td align="left">Utilities</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">26.5.7.1</td><td align="left">Class <code class="code">seed_seq</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.7.2</td><td align="left">Function template <code class="code">generate_canonical</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8</td><td align="left">Random number distribution class templates</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">26.5.8.2</td><td align="left">Uniform distributions</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">26.5.8.2.1</td><td align="left">Class template <code class="code">uniform_int_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.2.2</td><td align="left">Class template <code class="code">uniform_real_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.3</td><td align="left">Bernoulli distributions</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">26.5.8.3.1</td><td align="left">Class <code class="code">bernoulli_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.3.2</td><td align="left">Class template <code class="code">binomial_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.3.3</td><td align="left">Class template <code class="code">geometric_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.3.4</td><td align="left">Class template <code class="code">negative_binomial_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.4</td><td align="left">Poisson distributions</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">26.5.8.4.1</td><td align="left">Class template <code class="code">poisson_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.4.2</td><td align="left">Class template <code class="code">exponential_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.4.3</td><td align="left">Class template <code class="code">gamma_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.4.4</td><td align="left">Class template <code class="code">weibull_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.4.5</td><td align="left">Class template <code class="code">extreme_value_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.5</td><td align="left">Normal distributions</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">26.5.8.5.1</td><td align="left">Class template <code class="code">normal_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.5.2</td><td align="left">Class template <code class="code">lognormal_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.5.3</td><td align="left">Class template <code class="code">chi_squared_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.5.4</td><td align="left">Class template <code class="code">cauchy_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.5.5</td><td align="left">Class template <code class="code">fisher_f_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.5.6</td><td align="left">Class template <code class="code">student_t_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.6</td><td align="left">Sampling distributions</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">26.5.8.6.1</td><td align="left">Class template <code class="code">discrete_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.6.2</td><td align="left">Class template <code class="code">piecewise_constant_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.5.8.6.3</td><td align="left">Class template <code class="code">piecewise_linear_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.6</td><td align="left">Numeric arrays</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">26.6.1</td><td align="left">Header <code class="code">&lt;valarray&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.6.2</td><td align="left">Class template <code class="code">valarray</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.6.3</td><td align="left"><code class="code">valarray</code> non-member operations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.6.4</td><td align="left">Class <code class="code">slice</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.6.5</td><td align="left">Class template <code class="code">slice_array</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.6.6</td><td align="left">The <code class="code">gslice</code> class</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.6.7</td><td align="left">Class template <code class="code">gslice_array</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.6.8</td><td align="left">Class template <code class="code">mask_array</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.6.9</td><td align="left">Class template <code class="code">indirect_array</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.6.10</td><td align="left"><code class="code">valarray</code> range access</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.7</td><td align="left">Generalized numeric operations</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">26.7.1</td><td align="left">Header <code class="code">&lt;numeric&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.7.2</td><td align="left"><code class="code">accumulate</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.7.3</td><td align="left"><code class="code">inner_product</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.7.4</td><td align="left"><code class="code">partial_sum</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.7.5</td><td align="left"><code class="code">adjacent_difference</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.7.6</td><td align="left">iota</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">26.8</td><td align="left">C Library</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 204 <span class="emphasis"><em>27</em></span>
6247d6df 205 </td><td colspan="3" align="left">
d63fd21d 206 <span class="emphasis"><em>Input/output library</em></span>
3f5f1018 207 </td></tr><tr><td align="left">27.1</td><td align="left">General</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.2</td><td align="left">Iostreams requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.2.1</td><td align="left">Imbue Limitations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.2.2</td><td align="left">Positioning Type Limitations</td><td align="left">Y</td><td align="left"> </td></tr><tr bgcolor="#B0B0B0"><td align="left">27.2.3</td><td align="left">Thread safety</td><td align="left">Partial</td><td align="left"> </td></tr><tr><td align="left">27.3</td><td align="left">Forward declarations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.4</td><td align="left">Standard iostream objects</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.4.1</td><td align="left">Overview</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.4.2</td><td align="left">Narrow stream objects</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.4.3</td><td align="left">Wide stream objects</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.5</td><td align="left">Iostreams base classes</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.6</td><td align="left">Stream buffers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.7</td><td align="left">Formatting and manipulators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.8</td><td align="left">String-based streams</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">27.9</td><td align="left">File-based streams</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 208 <span class="emphasis"><em>28</em></span>
6247d6df 209 </td><td colspan="3" align="left">
6ae8f77d 210 <span class="emphasis"><em>Regular expressions</em></span>
1492a408 211 </td></tr><tr><td align="left">28.1</td><td align="left">General</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">28.2</td><td align="left">Definitions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">28.3</td><td align="left">Requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">28.4</td><td align="left">Header <code class="code">&lt;regex&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">28.5</td><td align="left">Namespace <code class="code">std::regex_constants</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">28.6</td><td align="left">Class <code class="code">regex_error</code></td><td align="left">Y</td><td align="left"> </td></tr><tr bgcolor="#B0B0B0"><td align="left">28.7</td><td align="left">Class template <code class="code">regex_traits</code></td><td align="left">Partial</td><td align="left"><code class="code">transform_primary</code> is not correctly implemented</td><td align="left"> </td></tr><tr><td align="left">28.8</td><td align="left">Class template <code class="code">basic_regex</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">28.9</td><td align="left">Class template <code class="code">sub_match</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">28.10</td><td align="left">Class template <code class="code">match_results</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">28.11</td><td align="left">Regular expression algorithms</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">28.12</td><td align="left">Regular expression Iterators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">28.13</td><td align="left">Modified ECMAScript regular expression grammar</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 212 <span class="emphasis"><em>29</em></span>
6247d6df 213 </td><td colspan="3" align="left">
6ae8f77d 214 <span class="emphasis"><em>Atomic operations</em></span>
6247d6df 215 </td></tr><tr><td align="left">29.1</td><td align="left">General</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">29.2</td><td align="left">Header <code class="code">&lt;atomic&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr bgcolor="#B0B0B0"><td align="left">29.3</td><td align="left">Order and consistency</td><td align="left">Partial</td><td align="left"> </td></tr><tr><td align="left">29.4</td><td align="left">Lock-free property</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">29.5</td><td align="left">Atomic types</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">29.6</td><td align="left">Operations on atomic types</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">29.7</td><td align="left">Flag Type and operations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">29.8</td><td align="left">Fences</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 216 <span class="emphasis"><em>30</em></span>
6247d6df 217 </td><td colspan="3" align="left">
6ae8f77d 218 <span class="emphasis"><em>Thread support</em></span>
6247d6df 219 </td></tr><tr><td align="left">30.1</td><td align="left">General</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.2</td><td align="left">Requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.3</td><td align="left">Threads</td><td align="left"> </td><td align="left"> </td></tr><tr bgcolor="#B0B0B0"><td align="left">30.3.1</td><td align="left">Class <code class="code">thread</code></td><td align="left">Partial</td><td align="left"><code class="code">thread::id</code> comparisons not well-defined</td></tr><tr><td align="left">30.3.2</td><td align="left">Namespace <code class="code">this_thread</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.4</td><td align="left">Mutual exclusion</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">30.4.1</td><td align="left">Mutex requirements</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">30.4.1.1</td><td align="left">In general</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">30.4.1.2</td><td align="left">Mutex types</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">30.4.1.2.1</td><td align="left">Class <code class="code">mutex</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.4.1.2.2</td><td align="left">Class <code class="code">recursive_mutex</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.4.1.3</td><td align="left">Timed mutex types</td><td align="left"> </td><td align="left">On POSIX sytems these types are only defined if the OS
e3376050 220 supports the POSIX Timeouts option. </td></tr><tr><td align="left">30.4.1.3.1</td><td align="left">Class <code class="code">timed_mutex</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.4.1.3.2</td><td align="left">Class <code class="code">recursive_timed_mutex</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.4.2</td><td align="left">Locks</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">30.4.2.1</td><td align="left">Class template <code class="code">lock_guard</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.4.2.2</td><td align="left">Class template <code class="code">unique_lock</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.4.3</td><td align="left">Generic locking algorithms</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.4.4</td><td align="left">Call once</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">30.4.4.1</td><td align="left">Struct <code class="code">once_flag</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.4.4.2</td><td align="left">Function <code class="code">call_once</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.5</td><td align="left">Condition variables</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.5.1</td><td align="left">Class <code class="code">condition_variable</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.5.2</td><td align="left">Class <code class="code">condition_variable_any</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.6</td><td align="left">Futures</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">30.6.1</td><td align="left">Overview</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">30.6.2</td><td align="left">Error handling</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.6.3</td><td align="left">Class <code class="code">future_error</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.6.4</td><td align="left">Shared state</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.6.5</td><td align="left">Class template <code class="code">promise</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.6.6</td><td align="left">Class template <code class="code">future</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.6.7</td><td align="left">Class template <code class="code">shared_future</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.6.8</td><td align="left">Function template <code class="code">async</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">30.6.9</td><td align="left">Class template <code class="code">packaged_task</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
6ae8f77d 221 <span class="emphasis"><em>Appendix D</em></span>
6247d6df 222 </td><td colspan="3" align="left">
6ae8f77d 223 <span class="emphasis"><em>Compatibility features</em></span>
1492a408 224 </td></tr><tr><td align="left">D.1</td><td align="left">Increment operator with <code class="code">bool</code> operand</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">D.2</td><td align="left"><code class="code">register</code> keyword</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">D.3</td><td align="left">Implicit declaration of copy functions</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">D.4</td><td align="left">Dynamic exception specifications</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">D.5</td><td align="left">C standard library headers</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">D.6</td><td align="left">Old iostreams members</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">D.7</td><td align="left"><code class="code">char*</code> streams</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">D.8</td><td align="left">Function objects</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">D.9</td><td align="left">Binders</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">D.10</td><td align="left"><code class="code">auto_ptr</code></td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">D.11</td><td align="left">Violating exception-specifications</td><td align="left"> </td><td align="left"> </td></tr></tbody></table></div></div><br class="table-break" /><div class="section"><div class="titlepage"><div><div><h4 class="title"><a id="iso.2011.specific"></a>Implementation Specific Behavior</h4></div></div></div><p>For behaviour which is also specified by the 1998 and 2003 standards,
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225 see <a class="link" href="status.html#iso.1998.specific" title="Implementation Specific Behavior">C++ 1998/2003 Implementation
226 Specific Behavior</a>. This section only documents behaviour which
227 is new in the 2011 standard.
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228 </p><p>
229 <span class="emphasis"><em>20.7.2.2.1 [util.smartptr.shared.const]</em></span>
230 Only <code class="classname">bad_alloc</code> (or types derived from it) will
231 be thrown.
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232 </p><p>
233 <span class="emphasis"><em>20.8.9.1.3 [func.bind.place]/1</em></span> There are 29
234 placeholders defined and the placeholder types are
235 <code class="literal">CopyAssignable</code>.
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236 </p><p>
237 <span class="emphasis"><em>21.2.3.2 [char.traits.specializations.char16_t]</em></span>,
238 <span class="emphasis"><em>21.2.3.3 [char.traits.specializations.char32_t]</em></span>
239 The types <code class="classname">u16streampos</code> and
240 <code class="classname">u32streampos</code> are both synonyms for
241 <code class="classname">fpos&lt;mbstate_t&gt;</code>.
242 The function <code class="function">eof</code> returns <code class="code">int_type(-1)</code>.
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243 </p><p>
244 <span class="emphasis"><em>22.4.5.1.2 [locale.time.get.virtuals]</em></span>,
245 <span class="emphasis"><em>22.4.5.3.2 [locale.time.put.virtuals]</em></span>
246 Additional supported formats should be documented here.
247 </p><p>
248 <span class="emphasis"><em> 22.4.7.1.2 [locale.messages.virtuals]</em></span>
249 The mapping should be documented here.
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250 </p><p>
251 <span class="emphasis"><em>23.5.4.2 [unord.map.cnstr]</em></span>,
252 <span class="emphasis"><em>23.5.5.2 [unord.multimap.cnstr]</em></span>,
253 <span class="emphasis"><em>23.5.6.2 [unord.set.cnstr]</em></span>,
254 <span class="emphasis"><em>23.5.7.2 [unord.multiset.cnstr]</em></span>
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255 The default minimal bucket count is 0 for the default constructors, range
256 constructors and initializer-list constructors.
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257 </p><p>
258 <span class="emphasis"><em>25.3.12 [alg.random.shuffle]</em></span>
259 The two-argument overload of <code class="function">random_shuffle</code>
260 uses <code class="function">rand</code> as the source of randomness.
261 </p><p>
262 <span class="emphasis"><em>26.5.5 [rand.predef]</em></span>
263 The type <code class="classname">default_random_engine</code> is a synonym for
264 <code class="classname">minstd_rand0</code>.
265 </p><p>
266 <span class="emphasis"><em> 26.5.6 [rand.device] </em></span>
267 The default <code class="code">token</code> argument to the
268 <code class="classname">random_device</code> constructor is
269 <code class="literal">"default"</code>. Other valid arguments are
270 <code class="literal">"/dev/random"</code> and <code class="literal">"/dev/urandom"</code>,
271 which determine the character special file to read random bytes from.
272 The <code class="literal">"default"</code> token will read bytes from a hardware
273 RNG if available (currently this only supports the IA-32 RDRAND
274 instruction) otherwise it is equivalent to
275 <code class="literal">"/dev/urandom"</code>.
276 An exception of type <code class="classname">runtime_error</code> will be
277 thrown if a <code class="classname">random_device</code> object cannot open
278 or read from the source of random bytes.
279 </p><p>
280 <span class="emphasis"><em>26.5.8.1 [rand.dist.general]</em></span>
281 The algorithms used by the distributions should be documented here.
282 </p><p>
283 <span class="emphasis"><em>26.8 [c.math]</em></span> Whether the
284 <code class="function">rand</code> function introduces data races depends on
285 the C library as the function is not provided by libstdc++.
286 </p><p>
287 <span class="emphasis"><em>28.5.1 [re.synopt]</em></span>,
288 <span class="emphasis"><em> 28.5.2 [re.matchflag] </em></span>,
289 <span class="emphasis"><em> 28.5.3 [re.err] </em></span>
290 <code class="code">syntax_option_type</code>, <code class="code">match_flag_type</code>
291 and <code class="code">error_type</code> are unscoped enumeration types.
292 </p><p>
293 <span class="emphasis"><em>28.7 [re.traits]</em></span>
294 The <code class="literal">blank</code> character class corresponds to the
295 <code class="code">ctype_base::blank</code> mask.
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296 </p><p>
297 <span class="emphasis"><em>30.2.3 [thread.req.native]/1</em></span>
298 <code class="classname">native_handle_type</code> and
299 <code class="methodname">native_handle</code> are provided. The handle types
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300 are defined in terms of the Gthreads abstraction layer, although this
301 is subject to change at any time. Any use of
302 <code class="classname">native_handle</code> is inherently non-portable and
303 not guaranteed to work between major releases of GCC.
53b03cce 304 </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p><code class="classname">thread</code>: The native handle type is
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305 a typedef for <code class="code">__gthread_t</code> i.e. <code class="code">pthread_t</code>
306 when GCC is configured with the <code class="literal">posix</code> thread
307 model. The value of the native handle is undefined for a thread
308 which is not joinable.
309 </p></li><li class="listitem"><p><code class="classname">mutex</code> and
310 <code class="classname">timed_mutex</code>:
311 The native handle type is <code class="code">__gthread_mutex_t*</code> i.e.
312 <code class="code">pthread_mutex_t*</code> for the <code class="literal">posix</code>
313 thread model.
314 </p></li><li class="listitem"><p><code class="classname">recursive_mutex</code> and
315 <code class="classname">recursive_timed_mutex</code>:
316 The native handle type is <code class="code">__gthread_recursive_mutex_t*</code>
317 i.e. <code class="code">pthread_mutex_t*</code> for the <code class="literal">posix</code>
318 thread model.
319 </p></li><li class="listitem"><p><code class="classname">condition_variable</code>: The native
320 handle type is <code class="code">__gthread_cond_t*</code> i.e.
321 <code class="code">pthread_cond_t*</code> for the <code class="literal">posix</code>
322 thread model.
323 </p></li></ul></div><p>
324 </p><p>
325 <span class="emphasis"><em>30.6.1 [futures.overview]/2</em></span>
326 <code class="code">launch</code> is a scoped enumeration type with
327 overloaded operators to support bitmask operations. There are no
328 additional bitmask elements defined.
1492a408 329 </p></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="status.iso.2014"></a>C++ 2014</h3></div></div></div><p>
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330In this implementation the <code class="literal">-std=gnu++14</code> or
331<code class="literal">-std=c++14</code> flag must be used to enable language
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332and library
333features. See <a class="link" href="using.html#manual.intro.using.flags" title="Command Options">dialect</a>
334options. The pre-defined symbol
335<code class="constant">__cplusplus</code> is used to check for the
336presence of the required flag.
337</p><p>
338This page describes the C++14 and library TS support in mainline GCC SVN,
339not in any particular release.
109a3af4 340</p><div class="table"><a id="table.cxx14_status"></a><p class="title"><strong>Table 1.3. C++ 2014 Implementation Status</strong></p><div class="table-contents"><table summary="C++ 2014 Implementation Status" border="1"><colgroup><col align="left" class="c1" /><col align="left" class="c2" /><col align="left" class="c3" /><col align="left" class="c4" /></colgroup><thead><tr><th align="left">Paper</th><th align="left">Title</th><th align="left">Status</th><th align="left">Comments</th></tr></thead><tbody><tr><td align="left">
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341 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3669.pdf" target="_top">
342 N3669
343 </a>
344 </td><td align="left">Fixing constexpr member functions without const</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
345 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3668.html" target="_top">
346 N3668
347 </a>
348 </td><td align="left"><code class="code">exchange()</code> utility function</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
349 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3670.html" target="_top">
350 N3670
351 </a>
352 </td><td align="left">Wording for Addressing Tuples by Type</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
353 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3656.htm" target="_top">
354 N3656
355 </a>
356 </td><td align="left"><code class="code">make_unique</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
357 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2012/n3462.html" target="_top">
358 N3462
359 </a>
360 </td><td align="left"><code class="code">std::result_of</code> and SFINAE</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
361 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3545.pdf" target="_top">
362 N3545
363 </a>
364 </td><td align="left">An Incremental Improvement to <code class="code">integral_constant</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
365 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3642.pdf" target="_top">
366 N3642
367 </a>
368 </td><td align="left">User-defined Literals for Standard Library Types</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
369 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3671.html" target="_top">
370 N3671
371 </a>
372 </td><td align="left">Making non-modifying sequence operations more robust</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
373 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3654.html" target="_top">
374 N3654
375 </a>
376 </td><td align="left">Quoted Strings Library Proposal</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
377 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2012/n3469.html" target="_top">
378 N3469
379 </a>
380 </td><td align="left">Constexpr Library Additions: chrono</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
381 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2012/n3470.html" target="_top">
382 N3470
383 </a>
384 </td><td align="left">Constexpr Library Additions: containers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
385 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2012/n3471.html" target="_top">
386 N3471
387 </a>
388 </td><td align="left">Constexpr Library Additions: utilities</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
389 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3658.html" target="_top">
390 N3658
391 </a>
392 </td><td align="left">Compile-time integer sequences</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
393 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3659.html" target="_top">
394 N3659
395 </a>
1d15ed75 396 </td><td align="left">Shared Locking in C++</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
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397 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2012/n3421.htm" target="_top">
398 N3421
399 </a>
7d56e747 400 </td><td align="left">Making Operator Functors greater&lt;&gt;</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
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401 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3657.htm" target="_top">
402 N3657
403 </a>
7d56e747 404 </td><td align="left">Adding heterogeneous comparison lookup to associative containers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">
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405 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3655.pdf" target="_top">
406 N3655
407 </a>
9fc0faf0 408 </td><td align="left">TransformationTraits Redux</td><td align="left">Y</td><td align="left"> </td></tr><tr bgcolor="#B0B0B0"><td align="left">
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409 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3644.pdf" target="_top">
410 N3644
411 </a>
7d56e747 412 </td><td align="left">Null Forward Iterators</td><td align="left">Partial</td><td align="left">Only affects Debug Mode</td></tr></tbody></table></div></div><br class="table-break" /><div class="table"><a id="table.ts_status"></a><p class="title"><strong>Table 1.4. C++ Technical Specifications Implementation Status</strong></p><div class="table-contents"><table summary="C++ Technical Specifications Implementation Status" border="1"><colgroup><col align="left" class="c1" /><col align="left" class="c2" /><col align="left" class="c3" /><col align="left" class="c4" /></colgroup><thead><tr><th align="left">Paper</th><th align="left">Title</th><th align="left">Status</th><th align="left">Comments</th></tr></thead><tbody><tr bgcolor="#C8B0B0"><td align="left">
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413 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3662.html" target="_top">
414 N3662
415 </a>
e3376050 416 </td><td align="left">C++ Dynamic Arrays</td><td align="left">N</td><td align="left">Array Extensions TS</td></tr><tr><td align="left">
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417 <a class="link" href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2013/n3793.html" target="_top">
418 N3793
1492a408 419 </a>
10d43d2f 420 </td><td align="left">A proposal to add a utility class to represent optional objects</td><td align="left">Y</td><td align="left">Library Fundamentals TS</td></tr><tr><td align="left">
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421 <a class="link" href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2013/n3804.html" target="_top">
422 N3804
423 </a>
10d43d2f 424 </td><td align="left">Any library proposal</td><td align="left">Y</td><td align="left">Library Fundamentals TS</td></tr><tr bgcolor="#C8B0B0"><td align="left">
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425 <a class="link" href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2014/n3866.html" target="_top">
426 N3866
427 </a>
e3376050 428 </td><td align="left">Invocation type traits, but dropping function_call_operator.</td><td align="left">N</td><td align="left">Library Fundamentals TS</td></tr><tr><td align="left">
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429 <a class="link" href="" target="_top">
430 N3905
431 </a>
e3376050 432 </td><td align="left">Faster string searching (Boyer-Moore et al.)</td><td align="left">Y</td><td align="left">Library Fundamentals TS</td></tr><tr><td align="left">
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433 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3915.pdf" target="_top">
434 N3915
435 </a>
9fc0faf0 436 </td><td align="left">apply() call a function with arguments from a tuple</td><td align="left">Y</td><td align="left">Library Fundamentals TS</td></tr><tr bgcolor="#B0B0B0"><td align="left">
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437 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3916.pdf" target="_top">
438 N3916
439 </a>
9fc0faf0 440 </td><td align="left">Polymorphic memory resources</td><td align="left">Partial</td><td align="left">Library Fundamentals TS</td></tr><tr><td align="left">
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441 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3920.html" target="_top">
442 N3920
443 </a>
9fc0faf0 444 </td><td align="left">Extending shared_ptr to support arrays</td><td align="left">Y</td><td align="left">Library Fundamentals TS</td></tr><tr><td align="left">
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445 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3921.html" target="_top">
446 N3921
447 </a>
e3376050 448 </td><td align="left"><code class="code">string_view</code>: a non-owning reference to a string</td><td align="left">Y</td><td align="left">Library Fundamentals TS</td></tr><tr><td align="left">
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449 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3925.pdf" target="_top">
450 N3925
451 </a>
e3376050 452 </td><td align="left">A sample proposal</td><td align="left">Y</td><td align="left">Library Fundamentals TS</td></tr><tr><td align="left">
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453 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3932.htm" target="_top">
454 N3932
455 </a>
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456 </td><td align="left">Variable Templates For Type Traits</td><td align="left">Y</td><td align="left">Library Fundamentals TS</td></tr><tr><td align="left">
457 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4100.pdf" target="_top">
458 N4100
459 </a>
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460 </td><td align="left">File System</td><td align="left">Y</td><td align="left">
461 Link with
462 <a class="link" href="using_dynamic_or_shared.html#manual.intro.using.linkage.experimental" title="Experimental Library Extensions">
463 <code class="option">-lstdc++fs</code></a>
464 </td></tr></tbody></table></div></div><br class="table-break" /></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="status.iso.201z"></a>C++ 201z</h3></div></div></div><p>
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465In this implementation the <code class="literal">-std=gnu++1z</code> or
466<code class="literal">-std=c++1z</code> flag must be used to enable language
467and library
468features. See <a class="link" href="using.html#manual.intro.using.flags" title="Command Options">dialect</a>
469options. The pre-defined symbol
470<code class="constant">__cplusplus</code> is used to check for the
471presence of the required flag.
472</p><p>
246c618e 473This section describes the C++1z and library TS support in mainline GCC SVN,
1d15ed75 474not in any particular release.
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475</p><p>
476The following table lists new library features that have been accepted into
477the C++1z working draft. The "Proposal" column provides a link to the
478ISO C++ committee proposal that describes the feature, while the "Status"
479column indicates the first version of GCC that contains an implementation of
480this feature (if it has been implemented).
481The "SD-6 Feature Test" column shows the corresponding macro or header from
482<a class="link" href="https://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations" target="_top">SD-6:
483Feature-testing recommendations for C++</a>.
484</p><div class="table"><a id="table.cxx1z_status"></a><p class="title"><strong>Table 1.5. C++ 201z Implementation Status</strong></p><div class="table-contents"><table summary="C++ 201z Implementation Status" border="1"><colgroup><col align="left" class="c1" /><col align="left" class="c2" /><col align="left" class="c3" /><col align="left" class="c4" /></colgroup><thead><tr><th align="left">Library Feature</th><th align="left">Proposal</th><th align="left">Status</th><th align="left">SD-6 Feature Test</th></tr></thead><tbody><tr bgcolor="#C8B0B0"><td align="left">
485 <code class="code">constexpr std::hardware_{constructive,destructive}_interference_size</code>
486 </td><td align="left">
487 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0154r1.html" target="_top">
488 P0154R1
489 </a>
490 </td><td align="center"> No </td><td align="left"> <code class="code">__cpp_lib_hardware_interference_size &gt;= 201603</code> </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Core Issue 1776: Replacement of class objects containing reference members</td><td align="left">
491 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0137r1.html" target="_top">
492 P0137R1
493 </a>
494 </td><td align="center"> No </td><td align="left"> <code class="code">__cpp_lib_launder &gt;= 201606</code> </td></tr><tr><td align="left">Wording for <code class="code">std::uncaught_exceptions</code></td><td align="left">
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495 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2014/n4259.pdf" target="_top">
496 N4259
497 </a>
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498 </td><td align="center">6.1</td><td align="left"><code class="code">__cpp_lib_uncaught_exceptions &gt;= 201411</code></td></tr><tr bgcolor="#C8B0B0"><td align="left"> Variant: a type-safe union for C++17 </td><td align="left">
499 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0088r3.html" target="_top">
500 P0088R3
1d15ed75 501 </a>
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502 </td><td align="center"> No </td><td align="left"> <code class="code">__has_include(&lt;variant&gt;)</code> </td></tr><tr><td align="left"> Library Fundamentals V1 TS Components: <code class="code">optional</code> </td><td align="left">
503 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0220r1.html" target="_top">
504 P0220R1
505 </a>
506 </td><td align="center"> 7 </td><td align="left"> <code class="code">__has_include(&lt;optional&gt;)</code> </td></tr><tr><td align="left"> Library Fundamentals V1 TS Components: <code class="code">any</code> </td><td align="left">
507 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0220r1.html" target="_top">
508 P0220R1
509 </a>
510 </td><td align="center"> 7 </td><td align="left"> <code class="code">__has_include(&lt;any&gt;)</code> </td></tr><tr><td align="left"> Library Fundamentals V1 TS Components: <code class="code">string_view</code> </td><td align="left">
511 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0220r1.html" target="_top">
512 P0220R1
513 </a>
514 </td><td align="center"> 7 </td><td align="left"> <code class="code">__has_include(&lt;string_view&gt;)</code> </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Library Fundamentals V1 TS Components: <code class="code">memory_resource</code> </td><td align="left">
515 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0220r1.html" target="_top">
516 P0220R1
517 </a>
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518 </td><td align="center"> No </td><td align="left"> <code class="code">__has_include(&lt;memory_resource&gt;)</code> </td></tr><tr><td align="left"> Library Fundamentals V1 TS Components: <code class="code">apply</code> </td><td align="left">
519 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0220r1.html" target="_top">
520 P0220R1
521 </a>
522 </td><td align="center"> 7 </td><td align="left"> <code class="code">__cpp_lib_apply &gt;= 201603</code> </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Library Fundamentals V1 TS Components: <code class="code">shared_ptr&lt;T[]&gt;</code> </td><td align="left">
523 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0220r1.html" target="_top">
524 P0220R1
525 </a>
526 </td><td align="center"> No </td><td align="left"> <code class="code">__cpp_lib_shared_ptr_arrays &gt;= 201603</code> </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Library Fundamentals V1 TS Components: Searchers </td><td align="left">
527 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0220r1.html" target="_top">
528 P0220R1
529 </a>
530 </td><td align="center"> No </td><td align="left"> <code class="code">__cpp_lib_boyer_moore_searcher &gt;= 201603</code> </td></tr><tr><td align="left"> Constant View: A proposal for a <code class="code">std::as_const</code> helper function template </td><td align="left">
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531 <a class="link" href="" target="_top">
532 P0007R1
533 </a>
534 </td><td align="center"> 7 </td><td align="left"><code class="code"> __cpp_lib_as_const &gt;= 201510 </code></td></tr><tr><td align="left"> Improving pair and tuple </td><td align="left">
535 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4387" target="_top">
536 N4387
537 </a>
538 </td><td align="center"> 6.1 </td><td align="left"> N/A </td></tr><tr bgcolor="#C8B0B0"><td align="left"> make_from_tuple: apply for construction </td><td align="left">
539 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0209r2.pdf" target="_top">
540 P0209R2
541 </a>
542 </td><td align="center"> No </td><td align="left"><code class="code"> __cpp_lib_make_from_tuple &gt;= 201606 </code></td></tr><tr bgcolor="#C8B0B0"><td align="left">
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543 Removing <code class="code">auto_ptr</code>, <code class="code">random_shuffle()</code>,
544 And Old <code class="code">&lt;functional&gt;</code> Stuff
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545 </td><td align="left">
546 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4190.htm" target="_top">
547 N4190
548 </a>
549 </td><td align="center">No (kept for backwards compatibility)</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Deprecating Vestigial Library Parts in C++17 </td><td align="left">
550 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0174r2.html" target="_top">
551 P0174R2
552 </a>
553 </td><td align="center"> No </td><td align="left"> </td></tr><tr><td align="left"> Making <code class="code">std::owner_less</code> more flexible </td><td align="left">
554 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0074r0.html" target="_top">
555 P0074R0
556 </a>
557 </td><td align="center"> 7 </td><td align="left"><code class="code"> __cpp_lib_transparent_operators &gt;= 201510 </code></td></tr><tr bgcolor="#C8B0B0"><td align="left"> <code class="code">std::addressof</code> should be constexpr </td><td align="left">
558 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0304r0.html#2296" target="_top">
559 LWG2296
1d15ed75 560 </a>
246c618e 561 </td><td align="center"> No </td><td align="left"><code class="code"> __cpp_lib_addressof_constexpr &gt;= 201603 </code></td></tr><tr><td align="left"> Safe conversions in <code class="code">unique_ptr&lt;T[]&gt;</code> </td><td align="left">
1d15ed75 562 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4089.pdf" target="_top">
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563 N4089
564 </a>
565 </td><td align="center"> 5 ? </td><td align="left"> </td></tr><tr><td align="left"> LWG 2228: Missing SFINAE rule in unique_ptr templated assignment </td><td align="left">
566 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4366.html" target="_top">
567 N4366
568 </a>
569 </td><td align="center"> 5 ? </td><td align="left"> </td></tr><tr><td align="left"> Re-enabling <code class="code">shared_from_this</code></td><td align="left">
570 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0033r1.html" target="_top">
571 P0033R1
1d15ed75 572 </a>
a0b1bf21 573 </td><td align="center"> 7 </td><td align="left"><code class="code">__cpp_lib_enable_shared_from_this &gt;= 201603</code></td></tr><tr><td align="left"> A proposal to add <code class="code">invoke</code> function template </td><td align="left">
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574 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4169.html" target="_top">
575 N4169
576 </a>
577 </td><td align="center"> 6.1 </td><td align="left"><code class="code"> __cpp_lib_invoke &gt;= 201411 </code></td></tr><tr><td align="left">TriviallyCopyable <code class="code">reference_wrapper</code> </td><td align="left">
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578 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4277.html" target="_top">
579 N4277
580 </a>
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581 </td><td align="center"> 5.1 </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Adopt <code class="code">not_fn</code> from Library Fundamentals 2 for C++17 </td><td align="left">
582 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0005r4.html" target="_top">
583 P0005R4
1d15ed75 584 </a>
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585 </td><td align="center"> No </td><td align="left"><code class="code">__cpp_lib_not_fn &gt;= 201603</code></td></tr><tr bgcolor="#C8B0B0"><td align="left"> Fixes for <code class="code">not_fn</code> </td><td align="left">
586 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0358r1.html" target="_top">
587 P0358R1
588 </a>
589 </td><td align="center"> No </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Fixing a design mistake in the searchers interface in Library Fundamentals </td><td align="left">
590 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0253r1.pdf" target="_top">
591 P0253R1
592 </a>
593 </td><td align="center"> No </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Extending memory management tools </td><td align="left">
594 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0040r3.html" target="_top">
595 P0040R3
596 </a>
597 </td><td align="center"> No </td><td align="left"><code class="code"> </code></td></tr><tr><td align="left"> <code class="code">shared_ptr::weak_type</code></td><td align="left">
598 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0163r0.html" target="_top">
599 P0163R0
1d15ed75 600 </a>
246c618e 601 </td><td align="center"> 7 </td><td align="left"><code class="code"> __cpp_lib_shared_ptr_weak_type &gt;= 201606</code></td></tr><tr><td align="left">Transformation Trait Alias <code class="code">void_t</code></td><td align="left">
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602 <a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2014/n3911.pdf" target="_top">
603 N3911
604 </a>
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605 </td><td align="center">6.1</td><td align="left"><code class="code"> __cpp_lib_void_t &gt;= 201411</code></td></tr><tr><td align="left"> Wording for <code class="code">bool_constant</code>, revision 1 </td><td align="left">
606 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4389.html" target="_top">
607 N4389
1d15ed75 608 </a>
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609 </td><td align="center">6.1</td><td align="left"><code class="code"> __cpp_lib_bool_constant &gt;= 201505</code></td></tr><tr><td align="left"> Adopt Type Traits Variable Templates from Library Fundamentals TS for C++17</td><td align="left">
610 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0006r0.html" target="_top">
611 P0006R0
1d15ed75 612 </a>
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613 </td><td align="center"> 7 </td><td align="left"><code class="code"> __cpp_lib_type_trait_variable_templates &gt;= 201510 </code></td></tr><tr><td align="left"> Logical Operator Type Traits</td><td align="left">
614 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0013r1.html" target="_top">
615 P0013R1
46ba1281 616 </a>
246c618e
JW
617 </td><td align="center"> 6.1 </td><td align="left"><code class="code"> __cpp_lib_logical_traits &gt;= 201510 </code></td></tr><tr><td align="left"> Adding [nothrow-]swappable traits </td><td align="left">
618 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0185r1.html" target="_top">
619 P0185R1
46ba1281 620 </a>
5f6acdfb 621 </td><td align="center"> 7 (<code class="code">__is_swappable</code> available since 6.1)</td><td align="left"><code class="code"> __cpp_lib_is_swappable &gt;= 201603 </code></td></tr><tr><td align="left"> <code class="code">is_callable</code>, the missing INVOKE related trait</td><td align="left">
246c618e
JW
622 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0077r2.html" target="_top">
623 P0077R2
46ba1281 624 </a>
5f6acdfb 625 </td><td align="center"> 7 </td><td align="left"><code class="code"> __cpp_lib_is_callable &gt;= 201603 </code></td></tr><tr bgcolor="#C8B0B0"><td align="left"> has_unique_object_representations </td><td align="left">
246c618e
JW
626 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0258r2.html" target="_top">
627 P0258R2
628 </a>
629 </td><td align="center"> No </td><td align="left"><code class="code"> __cpp_lib_has_unique_object_representations &gt;= 201606 </code></td></tr><tr bgcolor="#C8B0B0"><td align="left"> Ordered by default </td><td align="left">
630 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0181r1.html" target="_top">
631 P0181R1
632 </a>
5f6acdfb 633 </td><td align="center"> No </td><td align="left"><code class="code"> __cpp_lib_default_order &gt;= 201606</code></td></tr><tr><td align="left"> Polishing <code class="code">&lt;chrono&gt;</code> </td><td align="left">
246c618e
JW
634 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0092r1.html" target="_top">
635 P0092R1
46ba1281 636 </a>
5f6acdfb 637 </td><td align="center"> 7 </td><td align="left"><code class="code"> __cpp_lib_chrono &gt;= 201510 </code></td></tr><tr><td align="left"> Integrating <code class="code">std::string_view</code> and <code class="code">std::string</code> </td><td align="left">
246c618e
JW
638 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0254r2.pdf" target="_top">
639 P0254R2
640 </a>
641 </td><td align="center"> 7 </td><td align="left"><code class="code"> </code></td></tr><tr><td align="left"> Give 'std::string' a non-const '.data()' member function </td><td align="left">
642 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0272r1.html" target="_top">
643 P0272R1
644 </a>
645 </td><td align="center"> 7 </td><td align="left"><code class="code"> </code></td></tr><tr><td align="left">Cleaning-up noexcept in the Library</td><td align="left">
646 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4258.pdf" target="_top">
647 N4258
648 </a>
649 </td><td align="center">6.1</td><td align="left"><code class="code"> __cpp_lib_allocator_traits_is_always_equal &gt;= 201411 </code></td></tr><tr><td align="left">Contiguous Iterators </td><td align="left">
650 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4284.htm" target="_top">
651 N4284
652 </a>
653 </td><td align="center">N/A</td><td align="left"> </td></tr><tr><td align="left"> Minimal incomplete type support for standard containers </td><td align="left">
46ba1281 654 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4510.html" target="_top">
246c618e 655 N4510
46ba1281 656 </a>
246c618e
JW
657 </td><td align="center"> 7 (3.0)</td><td align="left"><code class="code"> __cpp_lib_incomplete_container_elements &gt;= 201505 </code>
658 (the feature was always supported, but the macro was not defined until GCC 7)
659 </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Emplace return type </td><td align="left">
660 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0084r2.pdf" target="_top">
661 P0084R2
5d190d21 662 </a>
246c618e
JW
663 </td><td align="center"> No </td><td align="left"> </td></tr><tr><td align="left">Improved insertion interface for unique-key maps</td><td align="left">
664 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4279.html" target="_top">
665 N4279
666 </a>
667 </td><td align="center"> 6.1 </td><td align="left"><code class="code"> __cpp_lib_map_try_emplace &gt;= 201411</code>,
668 <code class="code"> __cpp_lib_unordered_map_try_emplace &gt;= 201411</code>
669 </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Splicing Maps and Sets </td><td align="left">
670 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0083r3.pdf" target="_top">
671 P0083R3
672 </a>
673 </td><td align="center"> No </td><td align="left"><code class="code"> __cpp_lib_node_extract &gt;= 201606 </code></td></tr><tr><td align="left">Non-member <code class="code">size()</code> and more</td><td align="left">
674 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4280.pdf" target="_top">
675 N4280
676 </a>
677 </td><td align="center"> 6.1 </td><td align="left"><code class="code"> __cpp_lib_nonmember_container_access &gt;= 201411 </code></td></tr><tr><td align="left"> A Proposal to Add Constexpr Modifiers to <code class="code">reverse_iterator</code>, <code class="code">move_iterator</code>, <code class="code">array</code> and Range Access </td><td align="left">
678 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0031r0.html" target="_top">
679 P0031R0
680 </a>
681 </td><td align="center"> 7 </td><td align="left"><code class="code"> __cpp_lib_array_constexpr &gt;= 201603 </code></td></tr><tr bgcolor="#C8B0B0"><td align="left"> The Parallelism TS Should be Standardized </td><td align="left">
682 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0024r2.html" target="_top">
683 P0024R2
684 </a>
685 </td><td align="center"> No </td><td align="left"><code class="code"> __has_include(&lt;execution&gt;) </code>,
686 <code class="code"> __cpp_lib_parallel_algorithm &gt;= 201603 </code></td></tr><tr><td align="left"> An algorithm to "clamp" a value between a pair of boundary values </td><td align="left">
687 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0025r0.html" target="_top">
688 P0025R0
689 </a>
690 </td><td align="center"> 7 </td><td align="left"><code class="code"> __cpp_lib_clamp &gt;= 201603 </code></td></tr><tr bgcolor="#C8B0B0"><td align="left"> Adopt Selected Library Fundamentals V2 Components for C++17 </td><td align="left">
691 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0295r0.pdf" target="_top">
692 P0295R0
693 </a>
694 </td><td align="center"> No </td><td align="left"><code class="code"> __cpp_lib_gcd &gt;= 201606 </code>,
695 <code class="code"> __cpp_lib_lcm &gt;= 201606 </code>
696 </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Proposal to Introduce a 3-Argument Overload to <code class="code">std::hypot</code> </td><td align="left">
697 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0030r1.pdf" target="_top">
698 P0030R1
699 </a>
700 </td><td align="center"> No </td><td align="left"><code class="code"> __cpp_lib_hypot &gt;= 201603 </code></td></tr><tr><td align="left"> Mathematical Special Functions for C++17 </td><td align="left">
701 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0226r1.pdf" target="_top">
702 P0226R1
703 </a>
704 </td><td align="center"> 7 (6.1) </td><td align="left"><code class="code"> __cpp_lib_math_special_functions &gt;= 201603 </code>
705 (for GCC 6 or pre-C++17 define
706 <code class="code">__STDCPP_WANT_MATH_SPEC_FUNCS__</code> to a non-zero value
707 and test for <code class="code">__STDCPP_MATH_SPEC_FUNCS__ &gt;= 201003L</code>)
708 </td></tr><tr bgcolor="#C8B0B0"><td align="left">Adopt the File System TS for C++17 </td><td align="left">
709 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0218r1.html" target="_top">
710 P0218R1
711 </a>
712 </td><td align="center"> No </td><td align="left"><code class="code"> __has_include(&lt;filesystem&gt;) </code>,
713 <code class="code"> __cpp_lib_filesystem &gt;= 201603 </code></td></tr><tr bgcolor="#C8B0B0"><td align="left"> Relative Paths for Filesystem</td><td align="left">
714 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0219r1.html" target="_top">
715 P0219R1
716 </a>
717 </td><td align="center"> No </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Adapting string_view by filesystem paths </td><td align="left">
718 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0392r0.pdf" target="_top">
719 P0392R0
720 </a>
721 </td><td align="center"> No </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left"> constexpr <code class="code">atomic&lt;T&gt;::is_always_lock_free</code> </td><td align="left">
722 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0152r1.html" target="_top">
723 P0152R1
724 </a>
725 </td><td align="center"> No </td><td align="left"><code class="code"> __cpp_lib_atomic_is_always_lock_free &gt;= 201603 </code></td></tr><tr><td align="left">A proposal to add <code class="code">shared_mutex</code> (untimed) (Revision 4)</td><td align="left">
726 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4508.html" target="_top">
727 N4508
728 </a>
729 </td><td align="center"> 6.1 </td><td align="left"><code class="code"> __cpp_lib_shared_mutex &gt;= 201505 </code></td></tr><tr bgcolor="#C8B0B0"><td align="left"> Variadic <code class="code">lock_guard</code> </td><td align="left">
730 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0156r0.html" target="_top">
731 P0156R0
732 </a>
733 </td><td align="center"> No </td><td align="left"><code class="code"> __cpp_lib_lock_guard_variadic &gt;= 201510 </code></td></tr></tbody></table></div></div><br class="table-break" /><div class="table"><a id="table.cxx1z_ts_status"></a><p class="title"><strong>Table 1.6. C++ Technical Specifications Implementation Status</strong></p><div class="table-contents"><table summary="C++ Technical Specifications Implementation Status" border="1"><colgroup><col align="left" class="c1" /><col align="left" class="c2" /><col align="left" class="c3" /><col align="left" class="c4" /></colgroup><thead><tr><th align="left">Paper</th><th align="left">Title</th><th align="left">Status</th><th align="left">Comments</th></tr></thead><tbody><tr><td align="left">
1d15ed75
JW
734 <a class="link" href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2014/n4076.html" target="_top">
735 N4076
736 </a>
737 </td><td align="left">A generalized callable negator</td><td align="left">Y</td><td align="left">Library Fundamentals 2 TS</td></tr><tr><td align="left">
738 <a class="link" href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2014/n4273.htm" target="_top">
739 N4273
740 </a>
6c0b8a53 741 </td><td align="left">Uniform Container Erasure</td><td align="left">Y</td><td align="left">Library Fundamentals 2 TS</td></tr><tr><td align="left">
1d15ed75
JW
742 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4061.pdf" target="_top">
743 N4061
744 </a>
a623b6f0
JW
745 </td><td align="left">Greatest Common Divisor and Least Common Multiple</td><td align="left">Y</td><td align="left">Library Fundamentals 2 TS</td></tr><tr><td align="left">
746 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4066.htm" target="_top">
747 N4066
1d15ed75 748 </a>
a623b6f0 749 </td><td align="left">Delimited iterators</td><td align="left">Y</td><td align="left">Library Fundamentals 2 TS</td></tr><tr><td align="left">
1d15ed75
JW
750 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4282.pdf" target="_top">
751 N4282
1492a408 752 </a>
ed3caa8c 753 </td><td align="left">The World's Dumbest Smart Pointer</td><td align="left">Y</td><td align="left">Library Fundamentals 2 TS</td></tr><tr><td align="left">
46ba1281
JW
754 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4388.html" target="_top">
755 N4388
756 </a>
93666a7b 757 </td><td align="left">Const-Propagating Wrapper</td><td align="left">Y</td><td align="left">Library Fundamentals 2 TS</td></tr><tr><td align="left">
46ba1281
JW
758 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4391.html" target="_top">
759 N4391
760 </a>
9638eccd 761 </td><td align="left"> <code class="code">make_array</code>, revision 4 </td><td align="left">Y</td><td align="left">Library Fundamentals 2 TS</td></tr><tr><td align="left">
46ba1281
JW
762 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4502.pdf" target="_top">
763 N4502
764 </a>
ed3caa8c 765 </td><td align="left"> Support for the C++ Detection Idiom, V2 </td><td align="left">Y</td><td align="left">Library Fundamentals 2 TS</td></tr><tr bgcolor="#C8B0B0"><td align="left">
46ba1281
JW
766 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4519.pdf" target="_top">
767 N4519
768 </a>
769 </td><td align="left"> Source-Code Information Capture </td><td align="left">N</td><td align="left">Library Fundamentals 2 TS</td></tr><tr bgcolor="#C8B0B0"><td align="left">
770 <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4521.html" target="_top">
771 N4521
772 </a>
5d190d21
VV
773 </td><td align="left"> Merge Fundamentals V1 into V2 </td><td align="left">N</td><td align="left">Library Fundamentals 2 TS</td></tr><tr><td align="left">
774 <a class="link" href="http://open-std.org/JTC1/SC22/WG21/docs/papers/2015/p0013r1.html" target="_top">
775 P0013R1
776 </a>
777 </td><td align="left">Logical Operator Type Traits (revision 1)</td><td align="left">Y</td><td align="left">Library Fundamentals 2 TS</td></tr></tbody></table></div></div><br class="table-break" /></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="status.iso.tr1"></a>C++ TR1</h3></div></div></div><p>
4396e063
BK
778This table is based on the table of contents of ISO/IEC DTR 19768
779Doc No: N1836=05-0096 Date: 2005-06-24
780Draft Technical Report on C++ Library Extensions
781</p><p>
782In this implementation the header names are prefixed by
783<code class="code">tr1/</code>, for instance <code class="code">&lt;tr1/functional&gt;</code>,
784<code class="code">&lt;tr1/memory&gt;</code>, and so on.
785</p><p>
786This page describes the TR1 support in mainline GCC SVN, not in any particular
787release.
1d15ed75 788</p><div class="table"><a id="table.tr1_status"></a><p class="title"><strong>Table 1.7. C++ TR1 Implementation Status</strong></p><div class="table-contents"><table summary="C++ TR1 Implementation Status" border="1"><colgroup><col align="left" class="c1" /><col align="left" class="c2" /><col align="left" class="c3" /><col align="left" class="c4" /></colgroup><thead><tr><th align="left">Section</th><th align="left">Description</th><th align="left">Status</th><th align="left">Comments</th></tr></thead><tbody><tr><td align="left"><span class="emphasis"><em>2</em></span></td><td colspan="3" align="left"><span class="emphasis"><em>General Utilities</em></span></td></tr><tr><td align="left">2.1</td><td align="left">Reference wrappers</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">2.1.1</td><td align="left">Additions to header <code class="code">&lt;functional&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.1.2</td><td align="left">Class template <code class="code">reference_wrapper</code></td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">2.1.2.1</td><td align="left"><code class="code">reference_wrapper</code> construct/copy/destroy</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.1.2.2</td><td align="left"><code class="code">reference_wrapper</code> assignment</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.1.2.3</td><td align="left"><code class="code">reference_wrapper</code> access</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.1.2.4</td><td align="left"><code class="code">reference_wrapper</code> invocation</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.1.2.5</td><td align="left"><code class="code">reference_wrapper</code> helper functions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2</td><td align="left">Smart pointers</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">2.2.1</td><td align="left">Additions to header <code class="code">&lt;memory&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.2</td><td align="left">Class <code class="code">bad_weak_ptr</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.3</td><td align="left">Class template <code class="code">shared_ptr</code></td><td align="left"> </td><td align="left">
4396e063
BK
789 <p>
790 Uses code from
6247d6df 791 <a class="link" href="http://www.boost.org/libs/smart_ptr/shared_ptr.htm" target="_top">boost::shared_ptr</a>.
18246ced 792 </p>
53b03cce 793 </td></tr><tr><td align="left">2.2.3.1</td><td align="left"><code class="code">shared_ptr</code> constructors</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.3.2</td><td align="left"><code class="code">shared_ptr</code> destructor</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.3.3</td><td align="left"><code class="code">shared_ptr</code> assignment</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.3.4</td><td align="left"><code class="code">shared_ptr</code> modifiers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.3.5</td><td align="left"><code class="code">shared_ptr</code> observers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.3.6</td><td align="left"><code class="code">shared_ptr</code> comparison</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.3.7</td><td align="left"><code class="code">shared_ptr</code> I/O</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.3.8</td><td align="left"><code class="code">shared_ptr</code> specialized algorithms</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.3.9</td><td align="left"><code class="code">shared_ptr</code> casts</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.3.10</td><td align="left"><code class="code">get_deleter</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.4</td><td align="left">Class template <code class="code">weak_ptr</code></td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">2.2.4.1</td><td align="left"><code class="code">weak_ptr</code> constructors</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.4.2</td><td align="left"><code class="code">weak_ptr</code> destructor</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.4.3</td><td align="left"><code class="code">weak_ptr</code> assignment</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.4.4</td><td align="left"><code class="code">weak_ptr</code> modifiers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.4.5</td><td align="left"><code class="code">weak_ptr</code> observers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.4.6</td><td align="left"><code class="code">weak_ptr</code> comparison</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.4.7</td><td align="left"><code class="code">weak_ptr</code> specialized algorithms</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.5</td><td align="left">Class template <code class="code">enable_shared_from_this</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left"><span class="emphasis"><em>3</em></span></td><td colspan="3" align="left"><span class="emphasis"><em>Function Objects</em></span></td></tr><tr><td align="left">3.1</td><td align="left">Definitions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.2</td><td align="left">Additions to <code class="code">&lt;functional&gt; synopsis</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.3</td><td align="left">Requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.4</td><td align="left">Function return types</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.5</td><td align="left">Function template <code class="code">mem_fn</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.6</td><td align="left">Function object binders</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">3.6.1</td><td align="left">Class template <code class="code">is_bind_expression</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.6.2</td><td align="left">Class template <code class="code">is_placeholder</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.6.3</td><td align="left">Function template <code class="code">bind</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.6.4</td><td align="left">Placeholders</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.7</td><td align="left">Polymorphic function wrappers</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">3.7.1</td><td align="left">Class <code class="code">bad_function_call</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.7.1.1</td><td align="left"><code class="code">bad_function_call</code> constructor</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.7.2</td><td align="left">Class template <code class="code">function</code></td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">3.7.2.1</td><td align="left"><code class="code">function</code> construct/copy/destroy</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.7.2.2</td><td align="left"><code class="code">function</code> modifiers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.7.2.3</td><td align="left"><code class="code">function</code> capacity</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.7.2.4</td><td align="left"><code class="code">function</code> invocation</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.7.2.5</td><td align="left"><code class="code">function</code> target access</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.7.2.6</td><td align="left">undefined operators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.7.2.7</td><td align="left">null pointer comparison operators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.7.2.8</td><td align="left">specialized algorithms</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left"><span class="emphasis"><em>4</em></span></td><td colspan="3" align="left"><span class="emphasis"><em>Metaprogramming and type traits</em></span></td></tr><tr><td align="left">4.1</td><td align="left">Requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">4.2</td><td align="left">Header <code class="code">&lt;type_traits&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">4.3</td><td align="left">Helper classes</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">4.4</td><td align="left">General Requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">4.5</td><td align="left">Unary Type Traits</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">4.5.1</td><td align="left">Primary Type Categories</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">4.5.2</td><td align="left">Composite type traits</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">4.5.3</td><td align="left">Type properties</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">4.6</td><td align="left">Relationships between types</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">4.7</td><td align="left">Transformations between types</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">4.7.1</td><td align="left">Const-volatile modifications</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">4.7.2</td><td align="left">Reference modifications</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">4.7.3</td><td align="left">Array modifications</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">4.7.4</td><td align="left">Pointer modifications</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">4.8</td><td align="left">Other transformations</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">4.9</td><td align="left">Implementation requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left"><span class="emphasis"><em>5</em></span></td><td colspan="3" align="left"><span class="emphasis"><em>Numerical Facilities</em></span></td></tr><tr><td align="left">5.1</td><td align="left">Random number generation</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">5.1.1</td><td align="left">Requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.2</td><td align="left">Header <code class="code">&lt;random&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.3</td><td align="left">Class template <code class="code">variate_generator</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.4</td><td align="left">Random number engine class templates</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.4.1</td><td align="left">Class template <code class="code">linear_congruential</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.4.2</td><td align="left">Class template <code class="code">mersenne_twister</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.4.3</td><td align="left">Class template <code class="code">subtract_with_carry</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.4.4</td><td align="left">Class template <code class="code">subtract_with_carry_01</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.4.5</td><td align="left">Class template <code class="code">discard_block</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.4.6</td><td align="left">Class template <code class="code">xor_combine</code></td><td align="left">Y</td><td align="left">operator()() per N2079</td></tr><tr><td align="left">5.1.5</td><td align="left">Engines with predefined parameters</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.6</td><td align="left">Class <code class="code">random_device</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.7</td><td align="left">Random distribution class templates</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.7.1</td><td align="left">Class template <code class="code">uniform_int</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.7.2</td><td align="left">Class <code class="code">bernoulli_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.7.3</td><td align="left">Class template <code class="code">geometric_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.7.4</td><td align="left">Class template <code class="code">poisson_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.7.5</td><td align="left">Class template <code class="code">binomial_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.7.6</td><td align="left">Class template <code class="code">uniform_real</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.7.7</td><td align="left">Class template <code class="code">exponential_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.7.8</td><td align="left">Class template <code class="code">normal_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.1.7.9</td><td align="left">Class template <code class="code">gamma_distribution</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2</td><td align="left">Mathematical special functions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1</td><td align="left">Additions to header <code class="code">&lt;cmath&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.1</td><td align="left">associated Laguerre polynomials</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.2</td><td align="left">associated Legendre functions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.3</td><td align="left">beta function</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.4</td><td align="left">(complete) elliptic integral of the first kind</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.5</td><td align="left">(complete) elliptic integral of the second kind</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.6</td><td align="left">(complete) elliptic integral of the third kind</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.7</td><td align="left">confluent hypergeometric functions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.8</td><td align="left">regular modified cylindrical Bessel functions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.9</td><td align="left">cylindrical Bessel functions (of the first kind)</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.10</td><td align="left">irregular modified cylindrical Bessel functions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.11</td><td align="left">cylindrical Neumann functions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.12</td><td align="left">(incomplete) elliptic integral of the first kind</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.13</td><td align="left">(incomplete) elliptic integral of the second kind</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.14</td><td align="left">(incomplete) elliptic integral of the third kind</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.15</td><td align="left">exponential integral</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.16</td><td align="left">Hermite polynomials</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.17</td><td align="left">hypergeometric functions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.18</td><td align="left">Laguerre polynomials</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.19</td><td align="left">Legendre polynomials</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.20</td><td align="left">Riemann zeta function</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.21</td><td align="left">spherical Bessel functions (of the first kind)</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.22</td><td align="left">spherical associated Legendre functions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.1.23</td><td align="left">spherical Neumann functions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">5.2.2</td><td align="left">Additions to header <code class="code">&lt;math.h&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left"><span class="emphasis"><em>6</em></span></td><td colspan="3" align="left"><span class="emphasis"><em>Containers</em></span></td></tr><tr><td align="left">6.1</td><td align="left">Tuple types</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.1.1</td><td align="left">Header <code class="code">&lt;tuple&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.1.2</td><td align="left">Additions to header <code class="code">&lt;utility&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.1.3</td><td align="left">Class template <code class="code">tuple</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.1.3.1</td><td align="left">Construction</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.1.3.2</td><td align="left">Tuple creation functions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.1.3.3</td><td align="left">Tuple helper classes</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.1.3.4</td><td align="left">Element access</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.1.3.5</td><td align="left">Relational operators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.1.4</td><td align="left">Pairs</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.2</td><td align="left">Fixed size array</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.2.1</td><td align="left">Header <code class="code">&lt;array&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.2.2</td><td align="left">Class template <code class="code">array</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.2.2.1</td><td align="left"><code class="code">array</code> constructors, copy, and assignment</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.2.2.2</td><td align="left"><code class="code">array</code> specialized algorithms</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.2.2.3</td><td align="left"><code class="code">array</code> size</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.2.2.4</td><td align="left">Zero sized <code class="code">array</code>s</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.2.2.5</td><td align="left">Tuple interface to class template <code class="code">array</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3</td><td align="left">Unordered associative containers</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.1</td><td align="left">Unordered associative container requirements</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.1.1</td><td align="left">Exception safety guarantees</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.2</td><td align="left">Additions to header <code class="code">&lt;functional&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.3</td><td align="left">Class template <code class="code">hash</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.4</td><td align="left">Unordered associative container classes</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.4.1</td><td align="left">Header <code class="code">&lt;unordered_set&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.4.2</td><td align="left">Header <code class="code">&lt;unordered_map&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.4.3</td><td align="left">Class template <code class="code">unordered_set</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.4.3.1</td><td align="left"><code class="code">unordered_set</code> constructors</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.4.3.2</td><td align="left"><code class="code">unordered_set</code> swap</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.4.4</td><td align="left">Class template <code class="code">unordered_map</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.4.4.1</td><td align="left"><code class="code">unordered_map</code> constructors</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.4.4.2</td><td align="left"><code class="code">unordered_map</code> element access</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.4.4.3</td><td align="left"><code class="code">unordered_map</code> swap</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.4.5</td><td align="left">Class template <code class="code">unordered_multiset</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.4.5.1</td><td align="left"><code class="code">unordered_multiset</code> constructors</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.4.5.2</td><td align="left"><code class="code">unordered_multiset</code> swap</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.4.6</td><td align="left">Class template <code class="code">unordered_multimap</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.4.6.1</td><td align="left"><code class="code">unordered_multimap</code> constructors</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">6.3.4.6.2</td><td align="left"><code class="code">unordered_multimap</code> swap</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left"><span class="emphasis"><em>7</em></span></td><td colspan="3" align="left"><span class="emphasis"><em>Regular Expressions</em></span></td></tr><tr bgcolor="#C8B0B0"><td align="left">7.1</td><td align="left">Definitions</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.2</td><td align="left">Requirements</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.3</td><td align="left">Regular expressions summary</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.4</td><td align="left">Header <code class="code">&lt;regex&gt;</code> synopsis</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.5</td><td align="left">Namespace <code class="code">tr1::regex_constants</code></td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.5.1</td><td align="left">Bitmask Type <code class="code">syntax_option_type</code></td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.5.2</td><td align="left">Bitmask Type <code class="code">regex_constants::match_flag_type</code></td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.5.3</td><td align="left">Implementation defined <code class="code">error_type</code></td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.6</td><td align="left">Class <code class="code">regex_error</code></td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.7</td><td align="left">Class template <code class="code">regex_traits</code></td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.8</td><td align="left">Class template <code class="code">basic_regex</code></td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.8.1</td><td align="left"><code class="code">basic_regex</code> constants</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.8.2</td><td align="left"><code class="code">basic_regex</code> constructors</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.8.3</td><td align="left"><code class="code">basic_regex</code> assign</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.8.4</td><td align="left"><code class="code">basic_regex</code> constant operations</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.8.5</td><td align="left"><code class="code">basic_regex</code> locale</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.8.6</td><td align="left"><code class="code">basic_regex</code> swap</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.8.7</td><td align="left"><code class="code">basic_regex</code> non-member functions</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.8.7.1</td><td align="left"><code class="code">basic_regex</code> non-member swap</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.9</td><td align="left">Class template <code class="code">sub_match</code></td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.9.1</td><td align="left"><code class="code">sub_match</code> members</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.9.2</td><td align="left"><code class="code">sub_match</code> non-member operators</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.10</td><td align="left">Class template <code class="code">match_results</code></td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.10.1</td><td align="left"><code class="code">match_results</code> constructors</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.10.2</td><td align="left"><code class="code">match_results</code> size</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.10.3</td><td align="left"><code class="code">match_results</code> element access</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.10.4</td><td align="left"><code class="code">match_results</code> formatting</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.10.5</td><td align="left"><code class="code">match_results</code> allocator</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.10.6</td><td align="left"><code class="code">match_results</code> swap</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.11</td><td align="left">Regular expression algorithms</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.11.1</td><td align="left">exceptions</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.11.2</td><td align="left"><code class="code">regex_match</code></td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.11.3</td><td align="left"><code class="code">regex_search</code></td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.11.4</td><td align="left"><code class="code">regex_replace</code></td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.12</td><td align="left">Regular expression Iterators</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.12.1</td><td align="left">Class template <code class="code">regex_iterator</code></td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.12.1.1</td><td align="left"><code class="code">regex_iterator</code> constructors</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.12.1.2</td><td align="left"><code class="code">regex_iterator</code> comparisons</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.12.1.3</td><td align="left"><code class="code">regex_iterator</code> dereference</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.12.1.4</td><td align="left"><code class="code">regex_iterator</code> increment</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.12.2</td><td align="left">Class template <code class="code">regex_token_iterator</code></td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.12.2.1</td><td align="left"><code class="code">regex_token_iterator</code> constructors</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.12.2.2</td><td align="left"><code class="code">regex_token_iterator</code> comparisons</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.12.2.3</td><td align="left"><code class="code">regex_token_iterator</code> dereference</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.12.2.4</td><td align="left"><code class="code">regex_token_iterator</code> increment</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">7.13</td><td align="left">Modified ECMAScript regular expression grammar</td><td align="left">N</td><td align="left"> </td></tr><tr><td align="left"><span class="emphasis"><em>8</em></span></td><td colspan="3" align="left"><span class="emphasis"><em>C Compatibility</em></span></td></tr><tr><td align="left">8.1</td><td align="left">Additions to header <code class="code">&lt;complex&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.1.1</td><td align="left">Synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.1.2</td><td align="left">Function <code class="code">acos</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.1.3</td><td align="left">Function <code class="code">asin</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.1.4</td><td align="left">Function <code class="code">atan</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.1.5</td><td align="left">Function <code class="code">acosh</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.1.6</td><td align="left">Function <code class="code">asinh</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.1.7</td><td align="left">Function <code class="code">atanh</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.1.8</td><td align="left">Function <code class="code">fabs</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.1.9</td><td align="left">Additional Overloads</td><td align="left">Y</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">8.2</td><td align="left">Header <code class="code">&lt;ccomplex&gt;</code></td><td align="left">N</td><td align="left">DR 551</td></tr><tr bgcolor="#C8B0B0"><td align="left">8.3</td><td align="left">Header <code class="code">&lt;complex.h&gt;</code></td><td align="left">N</td><td align="left">DR 551</td></tr><tr><td align="left">8.4</td><td align="left">Additions to header <code class="code">&lt;cctype&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.4.1</td><td align="left">Synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.4.2</td><td align="left">Function <code class="code">isblank</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.5</td><td align="left">Additions to header <code class="code">&lt;ctype.h&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.6</td><td align="left">Header <code class="code">&lt;cfenv&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.6.1</td><td align="left">Synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.6.2</td><td align="left">Definitions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.7</td><td align="left">Header <code class="code">&lt;fenv.h&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.8</td><td align="left">Additions to header <code class="code">&lt;cfloat&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.9</td><td align="left">Additions to header <code class="code">&lt;float.h&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">8.10</td><td align="left">Additions to header <code class="code">&lt;ios&gt;</code></td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">8.10.1</td><td align="left">Synopsis</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">8.10.2</td><td align="left">Function <code class="code">hexfloat</code></td><td align="left">N</td><td align="left"> </td></tr><tr><td align="left">8.11</td><td align="left">Header <code class="code">&lt;cinttypes&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.11.1</td><td align="left">Synopsis</td><td align="left">Y</td><td align="left">DR 557</td></tr><tr><td align="left">8.11.2</td><td align="left">Definitions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.12</td><td align="left">Header <code class="code">&lt;inttypes.h&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.13</td><td align="left">Additions to header <code class="code">&lt;climits&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.14</td><td align="left">Additions to header <code class="code">&lt;limits.h&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">8.15</td><td align="left">Additions to header <code class="code">&lt;locale&gt;</code></td><td align="left">N</td><td align="left"> </td></tr><tr><td align="left">8.16</td><td align="left">Additions to header <code class="code">&lt;cmath&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.16.1</td><td align="left">Synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.16.2</td><td align="left">Definitions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.16.3</td><td align="left">Function template definitions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.16.4</td><td align="left">Additional overloads</td><td align="left">Y</td><td align="left">DR 568; DR 550</td></tr><tr><td align="left">8.17</td><td align="left">Additions to header <code class="code">&lt;math.h&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.18</td><td align="left">Additions to header <code class="code">&lt;cstdarg&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.19</td><td align="left">Additions to header <code class="code">&lt;stdarg.h&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.20</td><td align="left">The header <code class="code">&lt;cstdbool&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.21</td><td align="left">The header <code class="code">&lt;stdbool.h&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.22</td><td align="left">The header <code class="code">&lt;cstdint&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.22.1</td><td align="left">Synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.22.2</td><td align="left">Definitions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.23</td><td align="left">The header <code class="code">&lt;stdint.h&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.24</td><td align="left">Additions to header <code class="code">&lt;cstdio&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.24.1</td><td align="left">Synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.24.2</td><td align="left">Definitions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.24.3</td><td align="left">Additional format specifiers</td><td align="left">Y</td><td align="left">C library dependency</td></tr><tr><td align="left">8.24.4</td><td align="left">Additions to header <code class="code">&lt;stdio.h&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.25</td><td align="left">Additions to header <code class="code">&lt;cstdlib&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.25.1</td><td align="left">Synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.25.2</td><td align="left">Definitions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.25.3</td><td align="left">Function <code class="code">abs</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.25.4</td><td align="left">Function <code class="code">div</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.26</td><td align="left">Additions to header <code class="code">&lt;stdlib.h&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.27</td><td align="left">Header <code class="code">&lt;ctgmath&gt;</code></td><td align="left">Y</td><td align="left">DR 551</td></tr><tr><td align="left">8.28</td><td align="left">Header <code class="code">&lt;tgmath.h&gt;</code></td><td align="left">Y</td><td align="left">DR 551</td></tr><tr><td align="left">8.29</td><td align="left">Additions to header <code class="code">&lt;ctime&gt;</code></td><td align="left">Y</td><td align="left">C library dependency</td></tr><tr><td align="left">8.30</td><td align="left">Additions to header <code class="code">&lt;cwchar&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.30.1</td><td align="left">Synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.30.2</td><td align="left">Definitions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.30.3</td><td align="left">Additional wide format specifiers</td><td align="left">Y</td><td align="left">C library dependency</td></tr><tr><td align="left">8.31</td><td align="left">Additions to header <code class="code">&lt;wchar.h&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.32</td><td align="left">Additions to header <code class="code">&lt;cwctype&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.32.1</td><td align="left">Synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.32.2</td><td align="left">Function <code class="code">iswblank</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">8.33</td><td align="left">Additions to header <code class="code">&lt;wctype.h&gt;</code></td><td align="left">Y</td><td align="left"> </td></tr></tbody></table></div></div><br class="table-break" /><div class="section"><div class="titlepage"><div><div><h4 class="title"><a id="iso.tr1.specific"></a>Implementation Specific Behavior</h4></div></div></div><p>For behaviour which is specified by the 1998 and 2003 standards,
be0c93c5
JW
794 see <a class="link" href="status.html#iso.1998.specific" title="Implementation Specific Behavior">C++ 1998/2003 Implementation
795 Specific Behavior</a>. This section documents behaviour which
796 is required by TR1.
797 </p><p>
798 <span class="emphasis"><em>3.6.4 [tr.func.bind.place]/1</em></span> There are 29
799 placeholders defined and the placeholder types are
800 <code class="literal">Assignable</code>.
53b03cce 801 </p></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="status.iso.tr24733"></a>C++ TR 24733</h3></div></div></div><p>
e48efd3b
BK
802This table is based on the table of contents of
803ISO/IEC TR 24733 Date: 2009-08-28
804Extension for the programming language C++ to support
805decimal floating-point arithmetic
806</p><p>
807This page describes the TR 24733 support in mainline GCC SVN, not in any
808particular release.
1d15ed75 809</p><div class="table"><a id="table.decfp_status"></a><p class="title"><strong>Table 1.8. C++ TR 24733 Implementation Status</strong></p><div class="table-contents"><table summary="C++ TR 24733 Implementation Status" border="1"><colgroup><col align="left" class="c1" /><col align="left" class="c2" /><col align="left" class="c3" /><col align="left" class="c4" /></colgroup><thead><tr><th align="left">Section</th><th align="left">Description</th><th align="left">Status</th><th align="left">Comments</th></tr></thead><tbody><tr><td align="left">
e48efd3b 810 <span class="emphasis"><em>0</em></span>
6247d6df 811 </td><td colspan="3" align="left">
e48efd3b 812 <span class="emphasis"><em>Introduction</em></span>
6247d6df 813 </td></tr><tr><td align="left">
e48efd3b 814 <span class="emphasis"><em>1</em></span>
6247d6df 815 </td><td colspan="3" align="left">
e48efd3b 816 <span class="emphasis"><em>Normative references</em></span>
6247d6df 817 </td></tr><tr><td align="left">
e48efd3b 818 <span class="emphasis"><em>2</em></span>
6247d6df 819 </td><td colspan="3" align="left">
e48efd3b 820 <span class="emphasis"><em>Conventions</em></span>
6247d6df 821 </td></tr><tr><td align="left">
e48efd3b 822 <span class="emphasis"><em>3</em></span>
6247d6df 823 </td><td colspan="3" align="left">
e48efd3b 824 <span class="emphasis"><em>Decimal floating-point types</em></span>
6247d6df 825 </td></tr><tr><td align="left">3.1</td><td align="left">Characteristics of decimal floating-point types</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">3.2</td><td align="left">Decimal Types</td><td align="left"> </td><td align="left"> </td></tr><tr bgcolor="#B0B0B0"><td align="left">3.2.1</td><td align="left">Class <code class="code">decimal</code> synopsis</td><td align="left">Partial</td><td align="left">Missing declarations for formatted input/output; non-conforming extension for functions converting to integral type</td></tr><tr bgcolor="#B0B0B0"><td align="left">3.2.2</td><td align="left">Class <code class="code">decimal32</code></td><td align="left">Partial</td><td align="left">Missing 3.2.2.5 conversion to integral type; conforming extension for conversion from scalar decimal floating-point</td></tr><tr bgcolor="#B0B0B0"><td align="left">3.2.3</td><td align="left">Class <code class="code">decimal64</code></td><td align="left">Partial</td><td align="left">Missing 3.2.3.5 conversion to integral type; conforming extension for conversion from scalar decimal floating-point</td></tr><tr bgcolor="#B0B0B0"><td align="left">3.2.4</td><td align="left">Class <code class="code">decimal128</code></td><td align="left">Partial</td><td align="left">Missing 3.2.4.5 conversion to integral type; conforming extension for conversion from scalar decimal floating-point</td></tr><tr><td align="left">3.2.5</td><td align="left">Initialization from coefficient and exponent</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.2.6</td><td align="left">Conversion to generic floating-point type</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.2.7</td><td align="left">Unary arithmetic operators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.2.8</td><td align="left">Binary arithmetic operators</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.2.9</td><td align="left">Comparison operators</td><td align="left">Y</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">3.2.10</td><td align="left">Formatted input</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">3.2.11</td><td align="left">Formatted output</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">3.3</td><td align="left">Additions to header <code class="code">limits</code></td><td align="left">N</td><td align="left"> </td></tr><tr><td align="left">3.4</td><td align="left">Headers <code class="code">cfloat</code> and <code class="code">float.h</code></td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">3.4.2</td><td align="left">Additions to header <code class="code">cfloat</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr bgcolor="#B0B0B0"><td align="left">3.4.3</td><td align="left">Additions to header <code class="code">float.h</code> synopsis</td><td align="left">N</td><td align="left"> </td></tr><tr><td align="left">3.4.4</td><td align="left">Maximum finite value</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.4.5</td><td align="left">Epsilon</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.4.6</td><td align="left">Minimum positive normal value</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.4.7</td><td align="left">Minimum positive subnormal value</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">3.4.8</td><td align="left">Evaluation format</td><td align="left">Y</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">3.5</td><td align="left">Additions to <code class="code">cfenv</code> and <code class="code">fenv.h</code></td><td align="left">Outside the scope of GCC</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">3.6</td><td align="left">Additions to <code class="code">cmath</code> and <code class="code">math.h</code></td><td align="left">Outside the scope of GCC</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">3.7</td><td align="left">Additions to <code class="code">cstdio</code> and <code class="code">stdio.h</code></td><td align="left">Outside the scope of GCC</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">3.8</td><td align="left">Additions to <code class="code">cstdlib</code> and <code class="code">stdlib.h</code></td><td align="left">Outside the scope of GCC</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">3.9</td><td align="left">Additions to <code class="code">cwchar</code> and <code class="code">wchar.h</code></td><td align="left">Outside the scope of GCC</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">3.10</td><td align="left">Facets</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">3.11</td><td align="left">Type traits</td><td align="left">N</td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left">3.12</td><td align="left">Hash functions</td><td align="left">N</td><td align="left"> </td></tr><tr><td align="left">
e48efd3b 826 <span class="emphasis"><em>4</em></span>
6247d6df 827 </td><td colspan="3" align="left">
e48efd3b 828 <span class="emphasis"><em>Notes on C compatibility</em></span>
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