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<title>add_sat</title>
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<div class="refentry">
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<div class="titlepage"></div>
<div xmlns="" class="refnamediv">
<a xmlns="http://www.w3.org/1999/xhtml" id="add_sat"></a>
<h1>add_sat</h1>
<p>
Add two values and saturate the result.
</p>
</div>
<div class="refsynopsisdiv">
<h2></h2>
<div class="funcsynopsis">
<table xmlns="" border="0" summary="Function synopsis" cellspacing="0" cellpadding="0">
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<td>
<code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">
gentype
<strong class="fsfunc">
add_sat
</strong>
(</code>
<td>gentype <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">x</var>, </td>
</td>
</tr>
<tr valign="top">
<td> </td>
<td>gentype <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">y</var><code>)</code></td>
</tr>
</table>
</div>
</div>
<div class="refsect1">
<a id="description"></a>
<h2>Description</h2>
<p>
<code class="function">add_sat</code> returns <code class="varname">x</code>+<code class="varname">y</code> and saturates result.
</p>
</div>
<div class="refsect1">
<a id="notes"></a>
<h2>Notes</h2>
<p>
Built-in integer functions can be used to take scalar or vector arguments. We use
the generic type name <span class="type">gentype</span> to indicate that the function can take <span class="type">char</span>, <span class="type">char{2|4|8|16}</span>, <span class="type">uchar</span>, <span class="type">uchar{2|4|8|16}</span>, <span class="type">short</span>, <span class="type">short{2|4|8|16}</span>, <span class="type">ushort</span>, <span class="type">ushort{2|4|8|16}</span>, <span class="type">int</span>, <span class="type">int{2|4|8|16}</span>, <span class="type">uint</span>,
<span class="type">uint{2|4|8|16}</span>, <span class="type">long</span>, <span class="type">long{2|4|8|16}</span>, <span class="type">ulong</span>, or <span class="type">ulong{2|4|8|16}</span> as
the type for the arguments. We use the generic type name <span class="type">ugentype</span> to refer to unsigned
versions of <span class="type">gentype</span>. For example, if <span class="type">gentype</span> is <span class="type">char4</span>, <span class="type">ugentype</span> is <code class="constant">uchar4</code>.</p>
<p>For any specific use of a function, the actual type has to be the same for all arguments and the return type unless otherwise specified.
</p>
</div>
<div class="refsect1">
<a id="specification"></a>
<h2>Specification</h2>
<p>
<img src="pdficon_small1.gif" />
<a href="http://www.khronos.org/registry/cl/specs/opencl-1.0.pdf#page=177" target="OpenCL Spec">OpenCL Specification</a>
</p>
</div>
<div class="refsect1">
<a id="seealso"></a>
<h2>Also see</h2>
<p>
<a class="citerefentry" href="integerFunctions.html"><span class="citerefentry"><span class="refentrytitle">Integer Functions</span></span></a>
</p>
</div>
<div xmlns="" class="refsect3" lang="en" xml:lang="en"><a xmlns="http://www.w3.org/1999/xhtml" id="Copyright"></a><h4 xmlns="http://www.w3.org/1999/xhtml"></h4><img xmlns="http://www.w3.org/1999/xhtml" src="KhronosLogo.jpg" /><p xmlns="http://www.w3.org/1999/xhtml"></p>Copyright © 2007-2009 The Khronos Group Inc.
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