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+<?xml version="1.0" encoding="UTF-8"?>
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+<?xml-stylesheet type="text/xsl" href="mathml.xsl"?><html xmlns="http://www.w3.org/1999/xhtml" xmlns:pref="http://www.w3.org/2002/Math/preference" pref:renderer="mathplayer-dl"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><link rel="stylesheet" type="text/css" href="opengl-man.css" /><title>umulExtended - OpenGL Shading Language (GLSL)</title><meta name="generator" content="DocBook XSL Stylesheets V1.69.1" /></head><body><div class="refentry" lang="en" xml:lang="en"><a id="umulExtended"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>umulExtended — perform a 32- by 32-bit multiply to produce a 64-bit result</p></div><div class="refsynopsisdiv"><h2>Declaration</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">umulExtended</b>(</code></td><td>genUType </td><td><var class="pdparam">x</var>, </td></tr><tr><td> </td><td>genUType </td><td><var class="pdparam">y</var>, </td></tr><tr><td> </td><td>out genUType </td><td><var class="pdparam">msb</var>, </td></tr><tr><td> </td><td>out genUType </td><td><var class="pdparam">lsb</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"><tr><td><code class="funcdef">void <b class="fsfunc">imulExtended</b>(</code></td><td>genIType </td><td><var class="pdparam">x</var>, </td></tr><tr><td> </td><td>genIType </td><td><var class="pdparam">y</var>, </td></tr><tr><td> </td><td>out genIType </td><td><var class="pdparam">msb</var>, </td></tr><tr><td> </td><td>out genIType </td><td><var class="pdparam">lsb</var><code>)</code>;</td></tr></table></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="parameters"></a><h2>Parameters</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>x</code></em></span></dt><dd><p>
+ Specifies the first multiplicand.
+ </p></dd><dt><span class="term"><em class="parameter"><code>y</code></em></span></dt><dd><p>
+ Specifies the second multiplicand..
+ </p></dd><dt><span class="term"><em class="parameter"><code>msb</code></em></span></dt><dd><p>
+ Specifies the variable to receive the most significant word of the product.
+ </p></dd><dt><span class="term"><em class="parameter"><code>lsb</code></em></span></dt><dd><p>
+ Specifies the variable to receive the least significant word of the product.
+ </p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p>
+ <code class="function">umulExtended</code> and <code class="function">imulExtended</code> perform multiplication of the two 32-bit integer
+ quantities <em class="parameter"><code>x</code></em> and <em class="parameter"><code>y</code></em>, producing a 64-bit integer result. The 32 least
+ significant bits of this product are returned in <em class="parameter"><code>lsb</code></em> and the 32 most significant bits are returned
+ in <em class="parameter"><code>msb</code></em>. <code class="function">umulExtended</code> and <code class="function">imulExtended</code> perform
+ unsigned and signed multiplication, respectively.
+ </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="versions"></a><h2>Version Support</h2><div class="informaltable"><table border="1"><colgroup><col align="left" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /></colgroup><thead><tr><th align="left"><span class="bold"><strong>Function</strong></span></th><th align="left"><span class="bold"><strong>Version 1.10</strong></span></th><th align="left"><span class="bold"><strong>Version 1.20</strong></span></th><th align="left"><span class="bold"><strong>Version 1.30</strong></span></th><th align="left"><span class="bold"><strong>Version 1.40</strong></span></th><th align="left"><span class="bold"><strong>Version 1.50</strong></span></th><th align="left"><span class="bold"><strong>Version 3.30</strong></span></th><th align="left"><span class="bold"><strong>Version 4.00</strong></span></th><th align="left"><span class="bold"><strong>Version 4.10</strong></span></th><th align="left"><span class="bold"><strong>Version 4.20</strong></span></th><th align="center"><span class="bold"><strong>Version 4.30</strong></span></th></tr><tr><th align="left">umulExtended</th><th align="center"><span class="emphasis"><em>-</em></span></th><th align="center"><span class="emphasis"><em>-</em></span></th><th align="center"><span class="emphasis"><em>-</em></span></th><th align="center"><span class="emphasis"><em>-</em></span></th><th align="center"><span class="emphasis"><em>-</em></span></th><th align="center"><span class="emphasis"><em>-</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th></tr></thead></table></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p>
+ <a href="uaddCarry.xml"><span class="citerefentry"><span class="refentrytitle">uaddCarry</span></span></a>
+ </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p>
+ Copyright <span class="trademark"></span>© 2011 Khronos Group.
+ This material may be distributed subject to the terms and conditions set forth in
+ the Open Publication License, v 1.0, 8 June 1999.
+ <a href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>.
+ </p></div></div></body></html>
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