1 | <html> |
---|
2 | <head> |
---|
3 | <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> |
---|
4 | <title>Concept SignedInteger</title> |
---|
5 | <link rel="stylesheet" href="boostbook.css" type="text/css"> |
---|
6 | <meta name="generator" content="DocBook XSL Stylesheets V1.68.1"> |
---|
7 | <link rel="start" href="index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> |
---|
8 | <link rel="up" href="id620092-bb.html#concepts.reference" title="Concept reference"> |
---|
9 | <link rel="prev" href="LessThanComparable.html" title="Concept LessThanComparable"> |
---|
10 | <link rel="next" href="date_time.html" title="Chapter 4. Boost.Date_Time"> |
---|
11 | </head> |
---|
12 | <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> |
---|
13 | <table cellpadding="2" width="100%"> |
---|
14 | <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../boost.png"></td> |
---|
15 | <td align="center"><a href="../../index.htm">Home</a></td> |
---|
16 | <td align="center"><a href="../../libs/libraries.htm">Libraries</a></td> |
---|
17 | <td align="center"><a href="../../people/people.htm">People</a></td> |
---|
18 | <td align="center"><a href="../../more/faq.htm">FAQ</a></td> |
---|
19 | <td align="center"><a href="../../more/index.htm">More</a></td> |
---|
20 | </table> |
---|
21 | <hr> |
---|
22 | <div class="spirit-nav"> |
---|
23 | <a accesskey="p" href="LessThanComparable.html"><img src="images/prev.png" alt="Prev"></a><a accesskey="u" href="id620092-bb.html#concepts.reference"><img src="images/up.png" alt="Up"></a><a accesskey="h" href="index.html"><img src="images/home.png" alt="Home"></a><a accesskey="n" href="date_time.html"><img src="images/next.png" alt="Next"></a> |
---|
24 | </div> |
---|
25 | <div class="refentry" lang="en"> |
---|
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 &</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 &</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 &</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 &</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 &</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 >> 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 >> 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 >>= a</p></td> |
---|
177 | <td><p><span class="type">T &</span></p></td> |
---|
178 | </tr> |
---|
179 | <tr> |
---|
180 | <td><p>Less-than comparison</p></td> |
---|
181 | <td><p>x < 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 < 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 < boost::sample_value < std::size_t >()</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 > 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 > 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 <= 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 <= 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 >= 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 >= 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 >= 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> |
---|
251 | <hr> |
---|
252 | <div class="spirit-nav"> |
---|
253 | <a accesskey="p" href="LessThanComparable.html"><img src="images/prev.png" alt="Prev"></a><a accesskey="u" href="id620092-bb.html#concepts.reference"><img src="images/up.png" alt="Up"></a><a accesskey="h" href="index.html"><img src="images/home.png" alt="Home"></a><a accesskey="n" href="date_time.html"><img src="images/next.png" alt="Next"></a> |
---|
254 | </div> |
---|
255 | </body> |
---|
256 | </html> |
---|