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4 | <?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>max - 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="max"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>max — return the greater of two values</p></div><div class="refsynopsisdiv"><h2>Declaration</h2><div class="funcsynopsis"><p><code class="funcdef">genType <b class="fsfunc">max</b>(</code>genType <var class="pdparam">x</var>, genType <var class="pdparam">y</var><code>)</code>;</p></div><div class="funcsynopsis"><p><code class="funcdef">genType <b class="fsfunc">max</b>(</code>genType <var class="pdparam">x</var>, float <var class="pdparam">y</var><code>)</code>;</p></div><div class="funcsynopsis"><p><code class="funcdef">genDType <b class="fsfunc">max</b>(</code>genDType <var class="pdparam">x</var>, genDType <var class="pdparam">y</var><code>)</code>;</p></div><div class="funcsynopsis"><p><code class="funcdef">genDType <b class="fsfunc">max</b>(</code>genDType <var class="pdparam">x</var>, double <var class="pdparam">y</var><code>)</code>;</p></div><div class="funcsynopsis"><p><code class="funcdef">genIType <b class="fsfunc">max</b>(</code>genIType <var class="pdparam">x</var>, genIType <var class="pdparam">y</var><code>)</code>;</p></div><div class="funcsynopsis"><p><code class="funcdef">genIType <b class="fsfunc">max</b>(</code>genIType <var class="pdparam">x</var>, int <var class="pdparam">y</var><code>)</code>;</p></div><div class="funcsynopsis"><p><code class="funcdef">genUType <b class="fsfunc">max</b>(</code>genUType <var class="pdparam">x</var>, genUType <var class="pdparam">y</var><code>)</code>;</p></div><div class="funcsynopsis"><p><code class="funcdef">genUType <b class="fsfunc">max</b>(</code>genUType <var class="pdparam">x</var>, uint <var class="pdparam">y</var><code>)</code>;</p></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> | |
5 | Specify the first value to compare. | |
6 | </p></dd><dt><span class="term"><em class="parameter"><code>y</code></em></span></dt><dd><p> | |
7 | Specify the second value to compare. | |
8 | </p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p> | |
9 | <code class="function">max</code> returns the maximum of the two parameters. It | |
10 | returns <em class="parameter"><code>y</code></em> if <em class="parameter"><code>y</code></em> is greater than | |
11 | <em class="parameter"><code>x</code></em>, otherwise it returns <em class="parameter"><code>x</code></em>. | |
12 | </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">max (genType)</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><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><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th></tr><tr><th align="left">max (genIType)</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><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><tr><th align="left">max (genUType)</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><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><tr><th align="left">max (genDType)</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> | |
13 | <a href="min.xml"><span class="citerefentry"><span class="refentrytitle">min</span></span></a>, | |
14 | <a href="abs.xml"><span class="citerefentry"><span class="refentrytitle">abs</span></span></a> | |
15 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p> | |
16 | Copyright <span class="trademark"></span>© 2011 Khronos Group. | |
17 | This material may be distributed subject to the terms and conditions set forth in | |
18 | the Open Publication License, v 1.0, 8 June 1999. | |
19 | <a href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>. | |
20 | </p></div></div></body></html> |