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1 | <?xml version="1.0" encoding="UTF-8"?>\r |
2 | <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"\r | |
3 | "http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">\r | |
4 | <refentry id="bitfieldInsert">\r | |
5 | <refmeta>\r | |
6 | <refmetainfo>\r | |
7 | <copyright>\r | |
8 | <year>2011</year>\r | |
9 | <holder>Khronos Group</holder>\r | |
10 | </copyright>\r | |
11 | </refmetainfo>\r | |
12 | <refentrytitle>bitfieldInsert</refentrytitle>\r | |
13 | <manvolnum>3G</manvolnum>\r | |
14 | </refmeta>\r | |
15 | <refnamediv>\r | |
16 | <refname>bitfieldInsert</refname>\r | |
17 | <refpurpose>insert a range of bits into an integer</refpurpose>\r | |
18 | </refnamediv>\r | |
19 | <refsynopsisdiv><title>Declaration</title>\r | |
20 | <funcsynopsis>\r | |
21 | <funcprototype>\r | |
22 | <funcdef>genIType <function>bitfieldInsert</function></funcdef>\r | |
23 | <paramdef>genIType <parameter>base</parameter></paramdef>\r | |
24 | <paramdef>genIType <parameter>insert</parameter></paramdef>\r | |
25 | <paramdef>int <parameter>offset</parameter></paramdef>\r | |
26 | <paramdef>int <parameter>bits</parameter></paramdef>\r | |
27 | </funcprototype> <funcprototype>\r | |
28 | <funcdef>genUType <function>bitfieldInsert</function></funcdef>\r | |
29 | <paramdef>genUType <parameter>base</parameter></paramdef>\r | |
30 | <paramdef>genUType <parameter>insert</parameter></paramdef>\r | |
31 | <paramdef>int <parameter>offset</parameter></paramdef>\r | |
32 | <paramdef>int <parameter>bits</parameter></paramdef>\r | |
33 | </funcprototype>\r | |
34 | </funcsynopsis>\r | |
35 | </refsynopsisdiv>\r | |
36 | <refsect1 id="parameters"><title>Parameters</title>\r | |
37 | <variablelist>\r | |
38 | <varlistentry>\r | |
39 | <term><parameter>base</parameter></term>\r | |
40 | <listitem>\r | |
41 | <para>\r | |
42 | Specifies the integer into which to insert <parameter>insert</parameter>.\r | |
43 | </para>\r | |
44 | </listitem>\r | |
45 | </varlistentry>\r | |
46 | <varlistentry>\r | |
47 | <term><parameter>insert</parameter></term>\r | |
48 | <listitem>\r | |
49 | <para>\r | |
50 | Specifies the the value of the bits to insert.\r | |
51 | </para>\r | |
52 | </listitem>\r | |
53 | </varlistentry>\r | |
54 | <varlistentry>\r | |
55 | <term><parameter>offset</parameter></term>\r | |
56 | <listitem>\r | |
57 | <para>\r | |
58 | Specifies the index of the first bit to insert.\r | |
59 | </para>\r | |
60 | </listitem>\r | |
61 | </varlistentry>\r | |
62 | <varlistentry>\r | |
63 | <term><parameter>bits</parameter></term>\r | |
64 | <listitem>\r | |
65 | <para>\r | |
66 | Specifies the number of bits to insert.\r | |
67 | </para>\r | |
68 | </listitem>\r | |
69 | </varlistentry>\r | |
70 | </variablelist>\r | |
71 | </refsect1>\r | |
72 | <refsect1 id="description"><title>Description</title>\r | |
73 | <para>\r | |
74 | <function>bitfieldInsert</function> inserts the <parameter>bits</parameter> least significant bits of <parameter>insert</parameter>\r | |
75 | into <parameter>base</parameter> at offset <parameter>offset</parameter>. The returned value will have bits\r | |
76 | [<parameter>offset</parameter>, <parameter>offset</parameter> + <parameter>bits</parameter> + 1] taken from [0, <parameter>bits</parameter> - 1]\r | |
77 | of <parameter>insert</parameter> and all other bits taken directly from the corresponding bits of <parameter>base</parameter>. If\r | |
78 | <parameter>bits</parameter> is zero, the result will simply be the original value of <parameter>base</parameter>. The result will\r | |
79 | be undefined if <parameter>offset</parameter> or <parameter>bits</parameter> is negative, or if the sum of <parameter>offset</parameter>\r | |
80 | and <parameter>bits</parameter> is greater than the number of bits used to store the operand.\r | |
81 | </para>\r | |
82 | </refsect1>\r | |
83 | <refsect1 id="versions"><title>Version Support</title>\r | |
84 | <informaltable frame="topbot">\r | |
85 | #VARTABLECOLS#\r | |
86 | <thead>\r | |
87 | #FUNCTABLEHEADER#\r | |
88 | <row>\r | |
89 | <entry>bitfieldInsert</entry>#newin40#\r | |
90 | </row>\r | |
91 | </thead>\r | |
92 | </tgroup>\r | |
93 | </informaltable>\r | |
94 | </refsect1>\r | |
95 | <refsect1 id="seealso"><title>See Also</title>\r | |
96 | <para>\r | |
97 | <citerefentry><refentrytitle>bitfieldExtract</refentrytitle></citerefentry>\r | |
98 | </para>\r | |
99 | </refsect1>\r | |
100 | <refsect1 id="Copyright"><title>Copyright</title>\r | |
101 | <para>\r | |
102 | Copyright <trademark class="copyright"></trademark> 2011 Khronos Group. \r | |
103 | This material may be distributed subject to the terms and conditions set forth in \r | |
104 | the Open Publication License, v 1.0, 8 June 1999.\r | |
105 | <ulink url="http://opencontent.org/openpub/">http://opencontent.org/openpub/</ulink>.\r | |
106 | </para>\r | |
107 | </refsect1>\r | |
108 | </refentry>\r |