128 lines
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128 lines
9.1 KiB
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<meta name="generator" content="Docutils 0.7: http://docutils.sourceforge.net/" />
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<title>The MPL Reference Manual: upper_bound</title>
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<body class="docframe refmanual">
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<table class="header"><tr class="header"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./lower-bound.html" class="navigation-link">Prev</a> <a href="./min-element.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./lower-bound.html" class="navigation-link">Back</a> <a href="./min-element.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./querying-algorithms.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td>
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<td class="header-group page-location"><a href="../refmanual.html" class="navigation-link">Front Page</a> / <a href="./algorithms.html" class="navigation-link">Algorithms</a> / <a href="./querying-algorithms.html" class="navigation-link">Querying Algorithms</a> / <a href="./upper-bound.html" class="navigation-link">upper_bound</a></td>
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</tr></table><div class="header-separator"></div>
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<div class="section" id="upper-bound">
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<h1><a class="toc-backref" href="./querying-algorithms.html#id1481">upper_bound</a></h1>
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<div class="section" id="id583">
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<h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3>
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<pre class="literal-block">
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template<
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typename Sequence
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, typename T
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, typename Pred = <a href="./less.html" class="identifier">less</a><<a href="./placeholders.html" class="identifier">_1</a>,<a href="./placeholders.html" class="identifier">_2</a>>
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>
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struct <a href="./upper-bound.html" class="identifier">upper_bound</a>
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{
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typedef <em>unspecified</em> type;
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};
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</pre>
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</div>
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<div class="section" id="id584">
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<h3><a class="subsection-title" href="#description" name="description">Description</a></h3>
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<p>Returns the last position in the sorted <tt class="literal"><span class="pre">Sequence</span></tt> where <tt class="literal"><span class="pre">T</span></tt> could be inserted without
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violating the ordering.</p>
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</div>
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<div class="section" id="id585">
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<h3><a class="subsection-title" href="#header" name="header">Header</a></h3>
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<pre class="literal-block">
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#include <<a href="../../../../boost/mpl/upper_bound.hpp" class="header">boost/mpl/upper_bound.hpp</a>>
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</pre>
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</div>
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<div class="section" id="id586">
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<h3><a class="subsection-title" href="#parameters" name="parameters">Parameters</a></h3>
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<table border="1" class="docutils table">
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<colgroup>
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<col width="19%" />
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<col width="38%" />
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<col width="43%" />
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</colgroup>
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<thead valign="bottom">
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<tr><th class="head">Parameter</th>
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<th class="head">Requirement</th>
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<th class="head">Description</th>
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</tr>
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</thead>
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<tbody valign="top">
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<tr><td><tt class="literal"><span class="pre">Sequence</span></tt></td>
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<td><a class="reference internal" href="./forward-sequence.html">Forward Sequence</a></td>
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<td>A sorted sequence to search in.</td>
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</tr>
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<tr><td><tt class="literal"><span class="pre">T</span></tt></td>
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<td>Any type</td>
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<td>A type to search a position for.</td>
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</tr>
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<tr><td><tt class="literal"><span class="pre">Pred</span></tt></td>
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<td>Binary <a class="reference internal" href="./lambda-expression.html">Lambda Expression</a></td>
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<td>A search criteria.</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="section" id="id587">
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<h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3>
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<p>For any sorted <a class="reference internal" href="./forward-sequence.html">Forward Sequence</a> <tt class="literal"><span class="pre">s</span></tt>, binary <a class="reference internal" href="./lambda-expression.html">Lambda Expression</a> <tt class="literal"><span class="pre">pred</span></tt>, and
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arbitrary type <tt class="literal"><span class="pre">x</span></tt>:</p>
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<pre class="literal-block">
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typedef <a href="./upper-bound.html" class="identifier">upper_bound</a>< s,x,pred >::type i;
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</pre>
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<table class="docutils field-list" frame="void" rules="none">
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<col class="field-name" />
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<col class="field-body" />
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<tbody valign="top">
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<tr class="field"><th class="field-name">Return type:</th><td class="field-body"><p class="first"><a class="reference internal" href="./forward-iterator.html">Forward Iterator</a></p>
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</td>
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</tr>
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<tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><p class="first"><tt class="literal"><span class="pre">i</span></tt> is the furthermost iterator in [<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a><s>::type</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a><s>::type</span></tt>) such that, for every iterator
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<tt class="literal"><span class="pre">j</span></tt> in <tt class="literal"><span class="pre">[<a href="./begin.html" class="identifier">begin</a><s>::type,</span> <span class="pre">i)</span></tt>,</p>
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<pre class="last literal-block">
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<a href="./apply.html" class="identifier">apply</a>< pred, x, <a href="./deref.html" class="identifier">deref</a><j>::type >::type::value == false
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</pre>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="section" id="id588">
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<h3><a class="subsection-title" href="#complexity" name="complexity">Complexity</a></h3>
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<p>The number of comparisons is logarithmic: at most log<sub>2</sub>( <tt class="literal"><span class="pre"><a href="./size.html" class="identifier">size</a><s>::value</span></tt> ) + 1.
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If <tt class="literal"><span class="pre">s</span></tt> is a <a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a> then the number of steps through the range
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is also logarithmic; otherwise, the number of steps is proportional to
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<tt class="literal"><span class="pre"><a href="./size.html" class="identifier">size</a><s>::value</span></tt>.</p>
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</div>
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<div class="section" id="id589">
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<h3><a class="subsection-title" href="#example" name="example">Example</a></h3>
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<pre class="literal-block">
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typedef <a href="./vector-c.html" class="identifier">vector_c</a><int,1,2,3,3,3,5,8> numbers;
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typedef <a href="./upper-bound.html" class="identifier">upper_bound</a>< numbers, <a href="./int.html" class="identifier">int_</a><3> >::type iter;
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<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>(
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(<a href="./distance.html" class="identifier">distance</a>< <a href="./begin.html" class="identifier">begin</a><numbers>::type,iter >::value), ==, 5
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);
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<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./deref.html" class="identifier">deref</a><iter>::type::value, ==, 5 );
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</pre>
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</div>
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<div class="section" id="id590">
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<h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3>
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<p><a class="reference internal" href="./querying-algorithms.html">Querying Algorithms</a>, <a class="reference internal" href="./lower-bound.html">lower_bound</a>, <a class="reference internal" href="./find.html">find</a>, <a class="reference internal" href="./find-if.html">find_if</a>, <a class="reference internal" href="./min-element.html">min_element</a></p>
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<td><div class="copyright-footer"><div class="copyright">Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams</div>
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at <a class="reference external" href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</div></td></tr></table></body>
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