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Eric Niebler 798b2f4017 Merged revisions 41072-41140 via svnmerge from 
https://svn.boost.org/svn/boost/trunk

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  r41077 | troyer | 2007-11-13 23:00:02 -0800 (Tue, 13 Nov 2007) | 1 line
  
  Added support for std::complex to serialization
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  r41078 | joaquin | 2007-11-13 23:09:29 -0800 (Tue, 13 Nov 2007) | 1 line
  
  added missing include
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  r41079 | djowel | 2007-11-14 02:13:51 -0800 (Wed, 14 Nov 2007) | 1 line
  
  adjust to compensate for lack of <small> tag.
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  r41080 | djowel | 2007-11-14 02:17:09 -0800 (Wed, 14 Nov 2007) | 1 line
  
  refresh docs
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  r41081 | djowel | 2007-11-14 02:23:23 -0800 (Wed, 14 Nov 2007) | 1 line
  
  refresh docs
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  r41082 | djowel | 2007-11-14 02:24:21 -0800 (Wed, 14 Nov 2007) | 1 line
  
  refresh docs
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  r41083 | anthonyw | 2007-11-14 03:08:09 -0800 (Wed, 14 Nov 2007) | 1 line
  
  ignore and join all threads in group on exception
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  r41084 | anthonyw | 2007-11-14 03:56:53 -0800 (Wed, 14 Nov 2007) | 1 line
  
  interrupt and join all threads in a group if an exception is thrown during a test
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  r41086 | johnmaddock | 2007-11-14 04:14:19 -0800 (Wed, 14 Nov 2007) | 1 line
  
  Merged changes from the Sandbox to Trunk.
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  r41087 | anthonyw | 2007-11-14 04:17:41 -0800 (Wed, 14 Nov 2007) | 1 line
  
  interrupt and join all threads in a group if an exception is thrown during a test
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  r41088 | johnmaddock | 2007-11-14 04:41:32 -0800 (Wed, 14 Nov 2007) | 1 line
  
  Added WinCE workaround.
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  r41089 | johnmaddock | 2007-11-14 05:03:15 -0800 (Wed, 14 Nov 2007) | 1 line
  
  Catch exceptions thrown from thread creation.
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  r41090 | anthonyw | 2007-11-14 06:49:58 -0800 (Wed, 14 Nov 2007) | 1 line
  
  fixes for pthread implementation
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  r41091 | bemandawes | 2007-11-14 07:50:43 -0800 (Wed, 14 Nov 2007) | 1 line
  
  Replace old docs with excerpts from http://article.gmane.org/gmane.comp.lib.boost.testing/5020
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  r41093 | eric_niebler | 2007-11-14 08:36:15 -0800 (Wed, 14 Nov 2007) | 1 line
  
  fix support for segmented iteration
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  r41094 | dave | 2007-11-14 09:37:55 -0800 (Wed, 14 Nov 2007) | 3 lines
  
  Update command-prompt instructions per
  http://news.gmane.org/find-root.php?message_id=%3cfhcrem%24c4%241%40ger.gmane.org%3e
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  r41095 | bemandawes | 2007-11-14 12:05:30 -0800 (Wed, 14 Nov 2007) | 1 line
  
  Bring docs more in line with reality:-)
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  r41097 | hljin | 2007-11-14 18:07:53 -0800 (Wed, 14 Nov 2007) | 1 line
  
  GIL: removed the example directory from the documentation as it is a duplication and re-directed the Doxygen documentation to a local copy (to be submitted next)
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  r41098 | hljin | 2007-11-14 18:30:13 -0800 (Wed, 14 Nov 2007) | 1 line
  
  GIL: added a local copy of the Doxygen documentation
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  r41099 | hljin | 2007-11-14 18:32:04 -0800 (Wed, 14 Nov 2007) | 1 line
  
  GIL: added a local copy of the Doxygen documentation (second batch)
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  r41100 | chris_kohlhoff | 2007-11-14 22:19:04 -0800 (Wed, 14 Nov 2007) | 6 lines
  
  Try to fix an order-of-initialisation problem with error_category references.
  The symptom, which only occurs in some applications, is a crash due to a
  dereference of a null pointer. The exact conditions under which the problem
  occurs are not fully understood, so this fix is probably more paranoid than
  necessary.
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  r41102 | jhunold | 2007-11-14 23:04:24 -0800 (Wed, 14 Nov 2007) | 1 line
  
  Suppress msvc "deprecated" warnings.
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  r41103 | johnmaddock | 2007-11-15 01:52:26 -0800 (Thu, 15 Nov 2007) | 1 line
  
  Fix some compiler warnings when building with the Intel and aCC compilers.
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  r41104 | garcia | 2007-11-15 04:50:48 -0800 (Thu, 15 Nov 2007) | 2 lines
  
  John Torjo is reviewing the X-files.
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  r41105 | hkaiser | 2007-11-15 05:27:24 -0800 (Thu, 15 Nov 2007) | 1 line
  
  Suppressed more warnings during build of Wave.
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  r41106 | bemandawes | 2007-11-15 06:36:40 -0800 (Thu, 15 Nov 2007) | 1 line
  
  GetUserDefaultUILanguage isn't present for Cygwin, so disable use
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  r41107 | bemandawes | 2007-11-15 07:20:27 -0800 (Thu, 15 Nov 2007) | 1 line
  
  Get rid of .cvsignore files
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  r41108 | eric_niebler | 2007-11-15 08:06:22 -0800 (Thu, 15 Nov 2007) | 1 line
  
  fix typo
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  r41110 | grafik | 2007-11-15 08:58:21 -0800 (Thu, 15 Nov 2007) | 1 line
  
  Fix building of multiple regression tools at once.
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  r41111 | gmelquio | 2007-11-15 09:52:31 -0800 (Thu, 15 Nov 2007) | 1 line
  
  Fixed documentation typo.
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  r41113 | grafik | 2007-11-15 10:56:43 -0800 (Thu, 15 Nov 2007) | 1 line
  
  Switch intel-win32 to use static multi thread runtime since the single thread static runtime is no longer available. (fixes #1287)
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  r41114 | andreas_huber69 | 2007-11-15 11:22:12 -0800 (Thu, 15 Nov 2007) | 1 line
  
  Added new FAQ item suggested by Chris Paulse.
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  r41116 | guwi17 | 2007-11-15 12:52:37 -0800 (Thu, 15 Nov 2007) | 4 lines
  
  This patch now lets the Sun compiler work for most of uBLAS. 'test4' is now failing.
  Too avoid other compilers complaining about missing return values in some functions where exceptions are thrown, code was added so an arbitatry were chosen.
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  r41117 | danmarsden | 2007-11-15 13:15:47 -0800 (Thu, 15 Nov 2007) | 1 line
  
  removing failing test on EDG compilers
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  r41118 | grafik | 2007-11-15 14:05:15 -0800 (Thu, 15 Nov 2007) | 1 line
  
  Remove redundant reference to system library. It causes double linking when used indirectly through filesystem. Which can lead to double linking incompatible variants when a specific filesystem variant is requested.
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  r41119 | grafik | 2007-11-15 14:05:22 -0800 (Thu, 15 Nov 2007) | 1 line
  
  Oops, forgot we need to use the root boost project settings when building.
........


[SVN r41141]
2007-11-16 08:03:15 +00:00

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<title>Bidirectional
Sequence</title>
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<div class="section" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="fusion.sequence.concepts.bidirectional_sequence"></a><a href="bidirectional_sequence.html" title="Bidirectional
Sequence">Bidirectional
Sequence</a></h4></div></div></div>
<a name="fusion.sequence.concepts.bidirectional_sequence.description"></a><h5>
<a name="id490104"></a>
<a href="bidirectional_sequence.html#fusion.sequence.concepts.bidirectional_sequence.description">Description</a>
</h5>
<p>
A Bidirectional Sequence is a <a href="forward_sequence.html" title="Forward
Sequence">Forward
Sequence</a> whose iterators model <a href="../../iterator/concepts/bidirectional_iterator.html" title="Bidirectional
Iterator">Bidirectional
Iterator</a>.
</p>
<a name="fusion.sequence.concepts.bidirectional_sequence.refinement_of"></a><h5>
<a name="id490154"></a>
<a href="bidirectional_sequence.html#fusion.sequence.concepts.bidirectional_sequence.refinement_of">Refinement
of</a>
</h5>
<p>
<a href="forward_sequence.html" title="Forward
Sequence">Forward Sequence</a>
</p>
<div class="variablelist">
<p class="title"><b>Notation</b></p>
<dl>
<dt><span class="term"><tt class="computeroutput"><span class="identifier">s</span></tt></span></dt>
<dd><p>
A Forward Sequence
</p></dd>
<dt><span class="term"><tt class="computeroutput"><span class="identifier">S</span></tt></span></dt>
<dd><p>
A Forward Sequence type
</p></dd>
<dt><span class="term"><tt class="computeroutput"><span class="identifier">o</span></tt></span></dt>
<dd><p>
An arbitrary object
</p></dd>
<dt><span class="term"><tt class="computeroutput"><span class="identifier">e</span></tt></span></dt>
<dd><p>
A Sequence element
</p></dd>
</dl>
</div>
<a name="fusion.sequence.concepts.bidirectional_sequence.valid_expressions"></a><h5>
<a name="id490294"></a>
<a href="bidirectional_sequence.html#fusion.sequence.concepts.bidirectional_sequence.valid_expressions">Valid
Expressions</a>
</h5>
<p>
In addition to the requirements defined in <a href="forward_sequence.html" title="Forward
Sequence">Forward
Sequence</a>, for any Bidirectional Sequence the following must be met:
</p>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Expression
</p>
</th>
<th>
<p>
Return type
</p>
</th>
<th>
<p>
Type Requirements
</p>
</th>
<th>
<p>
Runtime Complexity
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<tt class="computeroutput"><a href="../intrinsic/functions/begin.html" title="begin"><tt class="computeroutput"><span class="identifier">begin</span></tt></a><span class="special">(</span><span class="identifier">s</span><span class="special">)</span></tt>
</p>
</td>
<td>
<p>
<a href="../../iterator/concepts/bidirectional_iterator.html" title="Bidirectional
Iterator">Bidirectional
Iterator</a>
</p>
</td>
<td>
<p>
</p>
</td>
<td>
<p>
Constant
</p>
</td>
</tr>
<tr>
<td>
<p>
<tt class="computeroutput"><a href="../intrinsic/functions/end.html" title="end"><tt class="computeroutput"><span class="identifier">end</span></tt></a><span class="special">(</span><span class="identifier">s</span><span class="special">)</span></tt>
</p>
</td>
<td>
<p>
<a href="../../iterator/concepts/bidirectional_iterator.html" title="Bidirectional
Iterator">Bidirectional
Iterator</a>
</p>
</td>
<td>
<p>
</p>
</td>
<td>
<p>
Constant
</p>
</td>
</tr>
<tr>
<td>
<p>
<tt class="computeroutput"><a href="../intrinsic/functions/back.html" title="back"><tt class="computeroutput"><span class="identifier">back</span></tt></a><span class="special">(</span><span class="identifier">s</span><span class="special">)</span></tt>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
</p>
</td>
<td>
<p>
Constant
</p>
</td>
</tr>
<tr>
<td>
<p>
<tt class="computeroutput"><a href="../intrinsic/functions/back.html" title="back"><tt class="computeroutput"><span class="identifier">back</span></tt></a><span class="special">(</span><span class="identifier">s</span><span class="special">)</span>
<span class="special">=</span> <span class="identifier">o</span></tt>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
<tt class="computeroutput"><span class="identifier">s</span></tt> is mutable and
<tt class="computeroutput"><span class="identifier">e</span> <span class="special">=</span>
<span class="identifier">o</span></tt>, where <tt class="computeroutput"><span class="identifier">e</span></tt> is the first element in the
sequence, is a valid expression.
</p>
</td>
<td>
<p>
Constant
</p>
</td>
</tr>
</tbody>
</table></div>
<a name="fusion.sequence.concepts.bidirectional_sequence.result_type_expressions"></a><h5>
<a name="id490734"></a>
<a href="bidirectional_sequence.html#fusion.sequence.concepts.bidirectional_sequence.result_type_expressions">Result
Type Expressions</a>
</h5>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Expression
</p>
</th>
<th>
<p>
Compile Time Complexity
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<tt class="computeroutput"><a href="../intrinsic/metafunctions/begin.html" title="begin"><tt class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">begin</span></tt></a><span class="special">&lt;</span><span class="identifier">S</span><span class="special">&gt;::</span><span class="identifier">type</span></tt>
</p>
</td>
<td>
<p>
Amortized constant time
</p>
</td>
</tr>
<tr>
<td>
<p>
<tt class="computeroutput"><a href="../intrinsic/metafunctions/end.html" title="end"><tt class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">end</span></tt></a><span class="special">&lt;</span><span class="identifier">S</span><span class="special">&gt;::</span><span class="identifier">type</span></tt>
</p>
</td>
<td>
<p>
Amortized constant time
</p>
</td>
</tr>
<tr>
<td>
<p>
<tt class="computeroutput"><a href="../intrinsic/metafunctions/back.html" title="back"><tt class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">back</span></tt></a><span class="special">&lt;</span><span class="identifier">S</span><span class="special">&gt;::</span><span class="identifier">type</span></tt>
</p>
</td>
<td>
<p>
Amortized constant time
</p>
</td>
</tr>
</tbody>
</table></div>
<a name="fusion.sequence.concepts.bidirectional_sequence.expression_semantics"></a><h5>
<a name="id491011"></a>
<a href="bidirectional_sequence.html#fusion.sequence.concepts.bidirectional_sequence.expression_semantics">Expression
Semantics</a>
</h5>
<p>
The semantics of an expression are defined only where they differ from,
or are not defined in <a href="forward_sequence.html" title="Forward
Sequence">Forward
Sequence</a>.
</p>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Expression
</p>
</th>
<th>
<p>
Semantics
</p>
</th>
</tr></thead>
<tbody><tr>
<td>
<p>
<tt class="computeroutput"><a href="../intrinsic/functions/back.html" title="back"><tt class="computeroutput"><span class="identifier">back</span></tt></a><span class="special">(</span><span class="identifier">s</span><span class="special">)</span></tt>
</p>
</td>
<td>
<p>
The last element in the sequence; see <a href="../intrinsic/functions/back.html" title="back"><tt class="computeroutput"><span class="identifier">back</span></tt></a>.
</p>
</td>
</tr></tbody>
</table></div>
<a name="fusion.sequence.concepts.bidirectional_sequence.models"></a><h5>
<a name="id491164"></a>
<a href="bidirectional_sequence.html#fusion.sequence.concepts.bidirectional_sequence.models">Models</a>
</h5>
<div class="itemizedlist"><ul type="disc">
<li><a href="../../adapted/std__pair.html" title="std::pair"><tt class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span></tt></a></li>
<li><a href="../../adapted/boost__array.html" title="boost::array"><tt class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">array</span></tt></a></li>
<li><a href="../../container/vector.html" title="vector"><tt class="computeroutput"><span class="identifier">vector</span></tt></a></li>
<li><a href="../../view/reverse_view.html" title="reverse_view"><tt class="computeroutput"><span class="identifier">reverse_view</span></tt></a></li>
<li>
<a href="../../view/iterator_range.html" title="iterator_range"><tt class="computeroutput"><span class="identifier">iterator_range</span></tt></a>
(where adapted sequence is a Bidirectional Sequence)
</li>
<li>
<a href="../../view/transform_view.html" title="transform_view"><tt class="computeroutput"><span class="identifier">transform_view</span></tt></a>
(where adapted sequence is a Bidirectional Sequence)
</li>
<li>
<a href="../../view/zip_view.html" title="zip_view"><tt class="computeroutput"><span class="identifier">zip_view</span></tt></a>
(where adapted sequences are models Bidirectional Sequence)
</li>
</ul></div>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright © 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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