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<div class="refentry">
<a name="SignedInteger"></a><div class="titlepage"></div>
<div class="refnamediv">
<h2><span class="refentrytitle">Concept SignedInteger</span></h2>
<p>SignedInteger</p>
</div>
<div class="refsect1">
<a name="idp634351936"></a><h2>Refinement of</h2>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem"><p><a class="link" href="CopyConstructible.html" title="Concept CopyConstructible">CopyConstructible</a></p></li>
<li class="listitem"><p><a class="link" href="Assignable.html" title="Concept Assignable">Assignable</a></p></li>
<li class="listitem"><p><a class="link" href="DefaultConstructible.html" title="Concept DefaultConstructible">DefaultConstructible</a></p></li>
<li class="listitem"><p><a class="link" href="EqualityComparable.html" title="Concept EqualityComparable">EqualityComparable</a></p></li>
<li class="listitem"><p><a class="link" href="LessThanComparable.html" title="Concept LessThanComparable">LessThanComparable</a></p></li>
</ul></div>
</div>
<div class="refsect1">
<a name="idp634357120"></a><h2>Notation</h2>
<div class="variablelist"><dl class="variablelist">
<dt><span class="term">T</span></dt>
<dd>A type playing the role of integral-type in the <a class="link" href="SignedInteger.html" title="Concept SignedInteger">SignedInteger</a> concept.</dd>
<dt>
<span class="term"><code class="varname">x</code>, </span><span class="term"><code class="varname">y</code>, </span><span class="term"><code class="varname">z</code></span>
</dt>
<dd>Objects of type T</dd>
<dt>
<span class="term"><code class="varname">a</code>, </span><span class="term"><code class="varname">b</code></span>
</dt>
<dd>Objects of type int</dd>
</dl></div>
</div>
<div class="refsect1">
<a name="idp634362336"></a><h2>Type expressions</h2>
<div class="variablelist"><dl class="variablelist">
<dt><span class="term">Conversion to int</span></dt>
<dd><p><span class="type">T</span> must be
convertible to <span class="type">int</span>.
</p></dd>
</dl></div>
</div>
<div class="refsect1">
<a name="idp634364416"></a><h2>Valid expressions</h2>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>Name</th>
<th>Expression</th>
<th>Type</th>
</tr></thead>
<tbody>
<tr>
<td><p>Conversion from int</p></td>
<td><p>T(a)</p></td>
<td><p><span class="type">T</span></p></td>
</tr>
<tr>
<td><p>Preincrement</p></td>
<td><p>++x</p></td>
<td><p><span class="type">T &</span></p></td>
</tr>
<tr>
<td><p>Predecrement</p></td>
<td><p>--x</p></td>
<td><p><span class="type">T &</span></p></td>
</tr>
<tr>
<td><p>Postincrement</p></td>
<td><p>x++</p></td>
<td><p><span class="type">T</span></p></td>
</tr>
<tr>
<td><p>Postdecrement</p></td>
<td><p>x--</p></td>
<td><p><span class="type">T</span></p></td>
</tr>
<tr>
<td><p>Sum</p></td>
<td><p>x + y</p></td>
<td><p><span class="type">T</span></p></td>
</tr>
<tr>
<td><p>Sum with int</p></td>
<td><p>x + a</p></td>
<td><p><span class="type">T</span></p></td>
</tr>
<tr>
<td><p>Sum-assignment</p></td>
<td><p>x += y</p></td>
<td><p><span class="type">T &</span></p></td>
</tr>
<tr>
<td><p>Sum-assignment with int</p></td>
<td><p>x += a</p></td>
<td><p><span class="type">T &</span></p></td>
</tr>
<tr>
<td><p>Difference</p></td>
<td><p>x - y</p></td>
<td><p><span class="type">T</span></p></td>
</tr>
<tr>
<td><p>Difference with int</p></td>
<td><p>x - a</p></td>
<td><p><span class="type">T</span></p></td>
</tr>
<tr>
<td><p>Product</p></td>
<td><p>x * y</p></td>
<td><p><span class="type">T</span></p></td>
</tr>
<tr>
<td><p>Product with int</p></td>
<td><p>x * a</p></td>
<td><p><span class="type">T</span></p></td>
</tr>
<tr>
<td><p>Product-assignment with int</p></td>
<td><p>x *= a</p></td>
<td><p><span class="type">T &</span></p></td>
</tr>
<tr>
<td><p>Product with int on left</p></td>
<td><p>a * x</p></td>
<td><p><span class="type">T</span></p></td>
</tr>
<tr>
<td><p>Quotient</p></td>
<td><p>x / y</p></td>
<td><p><span class="type">T</span></p></td>
</tr>
<tr>
<td><p>Quotient with int</p></td>
<td><p>x / a</p></td>
<td><p><span class="type">T</span></p></td>
</tr>
<tr>
<td><p>Right-shift</p></td>
<td><p>x >> y</p></td>
<td><p><span class="type">T</span></p></td>
</tr>
<tr>
<td><p>Right-shift with int</p></td>
<td><p>x >> a</p></td>
<td><p><span class="type">T</span></p></td>
</tr>
<tr>
<td><p>Right-shift-assignment with int</p></td>
<td><p>x >>= a</p></td>
<td><p><span class="type">T &</span></p></td>
</tr>
<tr>
<td><p>Less-than comparison</p></td>
<td><p>x < y</p></td>
<td><p>Convertible to <span class="type">bool</span></p></td>
</tr>
<tr>
<td><p>Less-than comparison with int</p></td>
<td><p>x < a</p></td>
<td><p>Convertible to <span class="type">bool</span></p></td>
</tr>
<tr>
<td><p>Less-than comparison with size_t</p></td>
<td><p>x < boost::sample_value < std::size_t >()</p></td>
<td><p>Convertible to <span class="type">bool</span></p></td>
</tr>
<tr>
<td><p>Greater-than comparison</p></td>
<td><p>x > y</p></td>
<td><p>Convertible to <span class="type">bool</span></p></td>
</tr>
<tr>
<td><p>Greater-than comparison with int</p></td>
<td><p>x > a</p></td>
<td><p>Convertible to <span class="type">bool</span></p></td>
</tr>
<tr>
<td><p>Less-than-or-equal comparison</p></td>
<td><p>x <= y</p></td>
<td><p>Convertible to <span class="type">bool</span></p></td>
</tr>
<tr>
<td><p>Less-than-or-equal comparison with int</p></td>
<td><p>x <= a</p></td>
<td><p>Convertible to <span class="type">bool</span></p></td>
</tr>
<tr>
<td><p>Greater-than-or-equal comparison</p></td>
<td><p>x >= y</p></td>
<td><p>Convertible to <span class="type">bool</span></p></td>
</tr>
<tr>
<td><p>Greater-than-or-equal comparison with int</p></td>
<td><p>x >= a</p></td>
<td><p>Convertible to <span class="type">bool</span></p></td>
</tr>
<tr>
<td><p>Greater-than-or-equal comparison with int on left</p></td>
<td><p>a >= x</p></td>
<td><p>Convertible to <span class="type">bool</span></p></td>
</tr>
<tr>
<td><p>Equality comparison</p></td>
<td><p>x == y</p></td>
<td><p>Convertible to <span class="type">bool</span></p></td>
</tr>
<tr>
<td><p>Equality comparison with int</p></td>
<td><p>x == a</p></td>
<td><p>Convertible to <span class="type">bool</span></p></td>
</tr>
</tbody>
</table></div>
</div>
</div>
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<td align="right"><div class="copyright-footer">Copyright © 2001, 2002 Indiana University<br>Copyright © 2000, 2001 University of Notre Dame du Lac<br>Copyright © 2000 Jeremy Siek, Lie-Quan Lee, Andrew Lumsdaine<br>Copyright © 1996-1999 Silicon Graphics Computer Systems, Inc.<br>Copyright © 1994 Hewlett-Packard Company<p>Distributed under the Boost Software License, Version 1.0.
(See accompanying file <code class="filename">LICENSE_1_0.txt</code> 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>
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<p>Some concepts based on versions from the MTL draft manual
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Template Library documentation and the Hewlett-Packard STL,
under the following license:
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