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4<title>Concept SignedInteger</title>
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26<a name="SignedInteger"></a><div class="titlepage"></div>
27<div class="refnamediv">
28<h2><span class="refentrytitle">Concept SignedInteger</span></h2>
29<p>SignedInteger</p>
30</div>
31<div class="refsect1" lang="en">
32<a name="id962799"></a><h2>Refinement of</h2>
33<div class="itemizedlist"><ul type="disc">
34<li><p><a href="CopyConstructible.html" title="Concept CopyConstructible">CopyConstructible</a></p></li>
35<li><p><a href="Assignable.html" title="Concept Assignable">Assignable</a></p></li>
36<li><p><a href="DefaultConstructible.html" title="Concept DefaultConstructible">DefaultConstructible</a></p></li>
37<li><p><a href="EqualityComparable.html" title="Concept EqualityComparable">EqualityComparable</a></p></li>
38<li><p><a href="LessThanComparable.html" title="Concept LessThanComparable">LessThanComparable</a></p></li>
39</ul></div>
40</div>
41<div class="refsect1" lang="en">
42<a name="id962845"></a><h2>Notation</h2>
43<div class="variablelist"><dl>
44<dt><span class="term">T</span></dt>
45<dd>A type playing the role of integral-type in the <a href="SignedInteger.html" title="Concept SignedInteger">SignedInteger</a> concept.</dd>
46<dt>
47<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>
48</dt>
49<dd>Objects of type T</dd>
50<dt>
51<span class="term"><code class="varname">a</code>, </span><span class="term"><code class="varname">b</code></span>
52</dt>
53<dd>Objects of type int</dd>
54</dl></div>
55</div>
56<div class="refsect1" lang="en">
57<a name="id962890"></a><h2>Type expressions</h2>
58<div class="variablelist"><dl>
59<dt><span class="term">Conversion to int</span></dt>
60<dd><p><span class="type">T</span> must be
61                  convertible to <span class="type">int</span>.
62                </p></dd>
63</dl></div>
64</div>
65<div class="refsect1" lang="en">
66<a name="id962909"></a><h2>Valid expressions</h2>
67<div class="informaltable"><table class="table">
68<colgroup>
69<col>
70<col>
71<col>
72</colgroup>
73<thead><tr>
74<th>Name</th>
75<th>Expression</th>
76<th>Type</th>
77</tr></thead>
78<tbody>
79<tr>
80<td><p>Conversion from int</p></td>
81<td><p>T(a)</p></td>
82<td><p><span class="type">T</span></p></td>
83</tr>
84<tr>
85<td><p>Preincrement</p></td>
86<td><p>++x</p></td>
87<td><p><span class="type">T &amp;</span></p></td>
88</tr>
89<tr>
90<td><p>Predecrement</p></td>
91<td><p>--x</p></td>
92<td><p><span class="type">T &amp;</span></p></td>
93</tr>
94<tr>
95<td><p>Postincrement</p></td>
96<td><p>x++</p></td>
97<td><p><span class="type">T</span></p></td>
98</tr>
99<tr>
100<td><p>Postdecrement</p></td>
101<td><p>x--</p></td>
102<td><p><span class="type">T</span></p></td>
103</tr>
104<tr>
105<td><p>Sum</p></td>
106<td><p>x + y</p></td>
107<td><p><span class="type">T</span></p></td>
108</tr>
109<tr>
110<td><p>Sum with int</p></td>
111<td><p>x + a</p></td>
112<td><p><span class="type">T</span></p></td>
113</tr>
114<tr>
115<td><p>Sum-assignment</p></td>
116<td><p>x += y</p></td>
117<td><p><span class="type">T &amp;</span></p></td>
118</tr>
119<tr>
120<td><p>Sum-assignment with int</p></td>
121<td><p>x += a</p></td>
122<td><p><span class="type">T &amp;</span></p></td>
123</tr>
124<tr>
125<td><p>Difference</p></td>
126<td><p>x - y</p></td>
127<td><p><span class="type">T</span></p></td>
128</tr>
129<tr>
130<td><p>Difference with int</p></td>
131<td><p>x - a</p></td>
132<td><p><span class="type">T</span></p></td>
133</tr>
134<tr>
135<td><p>Product</p></td>
136<td><p>x * y</p></td>
137<td><p><span class="type">T</span></p></td>
138</tr>
139<tr>
140<td><p>Product with int</p></td>
141<td><p>x * a</p></td>
142<td><p><span class="type">T</span></p></td>
143</tr>
144<tr>
145<td><p>Product-assignment with int</p></td>
146<td><p>x *= a</p></td>
147<td><p><span class="type">T &amp;</span></p></td>
148</tr>
149<tr>
150<td><p>Product with int on left</p></td>
151<td><p>a * x</p></td>
152<td><p><span class="type">T</span></p></td>
153</tr>
154<tr>
155<td><p>Quotient</p></td>
156<td><p>x / y</p></td>
157<td><p><span class="type">T</span></p></td>
158</tr>
159<tr>
160<td><p>Quotient with int</p></td>
161<td><p>x / a</p></td>
162<td><p><span class="type">T</span></p></td>
163</tr>
164<tr>
165<td><p>Right-shift</p></td>
166<td><p>x &gt;&gt; y</p></td>
167<td><p><span class="type">T</span></p></td>
168</tr>
169<tr>
170<td><p>Right-shift with int</p></td>
171<td><p>x &gt;&gt; a</p></td>
172<td><p><span class="type">T</span></p></td>
173</tr>
174<tr>
175<td><p>Right-shift-assignment with int</p></td>
176<td><p>x &gt;&gt;= a</p></td>
177<td><p><span class="type">T &amp;</span></p></td>
178</tr>
179<tr>
180<td><p>Less-than comparison</p></td>
181<td><p>x &lt; y</p></td>
182<td><p>Convertible to <span class="type">bool</span></p></td>
183</tr>
184<tr>
185<td><p>Less-than comparison with int</p></td>
186<td><p>x &lt; a</p></td>
187<td><p>Convertible to <span class="type">bool</span></p></td>
188</tr>
189<tr>
190<td><p>Less-than comparison with size_t</p></td>
191<td><p>x &lt; boost::sample_value &lt; std::size_t &gt;()</p></td>
192<td><p>Convertible to <span class="type">bool</span></p></td>
193</tr>
194<tr>
195<td><p>Greater-than comparison</p></td>
196<td><p>x &gt; y</p></td>
197<td><p>Convertible to <span class="type">bool</span></p></td>
198</tr>
199<tr>
200<td><p>Greater-than comparison with int</p></td>
201<td><p>x &gt; a</p></td>
202<td><p>Convertible to <span class="type">bool</span></p></td>
203</tr>
204<tr>
205<td><p>Less-than-or-equal comparison</p></td>
206<td><p>x &lt;= y</p></td>
207<td><p>Convertible to <span class="type">bool</span></p></td>
208</tr>
209<tr>
210<td><p>Less-than-or-equal comparison with int</p></td>
211<td><p>x &lt;= a</p></td>
212<td><p>Convertible to <span class="type">bool</span></p></td>
213</tr>
214<tr>
215<td><p>Greater-than-or-equal comparison</p></td>
216<td><p>x &gt;= y</p></td>
217<td><p>Convertible to <span class="type">bool</span></p></td>
218</tr>
219<tr>
220<td><p>Greater-than-or-equal comparison with int</p></td>
221<td><p>x &gt;= a</p></td>
222<td><p>Convertible to <span class="type">bool</span></p></td>
223</tr>
224<tr>
225<td><p>Greater-than-or-equal comparison with int on left</p></td>
226<td><p>a &gt;= x</p></td>
227<td><p>Convertible to <span class="type">bool</span></p></td>
228</tr>
229<tr>
230<td><p>Equality comparison</p></td>
231<td><p>x == y</p></td>
232<td><p>Convertible to <span class="type">bool</span></p></td>
233</tr>
234<tr>
235<td><p>Equality comparison with int</p></td>
236<td><p>x == a</p></td>
237<td><p>Convertible to <span class="type">bool</span></p></td>
238</tr>
239</tbody>
240</table></div>
241</div>
242<div class="refsect1" lang="en">
243<a name="id963348"></a><h2>See also</h2>
244<div class="itemizedlist"><ul type="disc"></ul></div>
245</div>
246</div>
247<table width="100%"><tr>
248<td align="left"></td>
249<td align="right"><small>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</small></td>
250</tr></table>
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