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<title>isinf</title>
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<a xmlns="http://www.w3.org/1999/xhtml" id="isinf"></a>
<h1>isinf</h1>
<p>
Test for infinity value (+ve or -ve).
</p>
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<h2></h2>
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<code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">
<a class="link" href="scalarDataTypes.html" target="_top">int</a>
<strong class="fsfunc">
isinf
</strong>
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<a class="link" href="scalarDataTypes.html" target="_top">int</a>
<em class="replaceable">n</em>
<strong class="fsfunc">
isinf
</strong>
(</code>
<td>float<em xmlns="http://www.w3.org/1999/xhtml" class="replaceable">n</em> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam"></var><code>)</code></td>
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<div class="refsect2">
<a id="double"></a>
<h3></h3>
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int <code class="function">isinf</code> (<span class="type">double</span>) // if double extension enabled
<span class="type">long<em class="replaceable"><code>n</code></em></span> <code class="function">isinf</code> (<span class="type">double<em class="replaceable"><code>n</code></em></span>) // if double extension enabled
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int <code class="function">isinf</code> (<span class="type">half</span>) // if half extension enabled
<span class="type">short<em class="replaceable"><code>n</code></em></span> <code class="function">isinf</code> (<span class="type">half<em class="replaceable"><code>n</code></em></span>) // if half extension enabled
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<div class="refsect1">
<a id="description"></a>
<h2>Description</h2>
<p>
Test for infinity value (+ve or -ve).
</p>
<p>
</p>
</div>
<div class="refsect1">
<a id="notes"></a>
<h2>Notes</h2>
<p>
This function returns a 0 if the specified relation is <span class="emphasis"><em>false</em></span> and a 1 if the specified relation is <span class="emphasis"><em>true</em></span> for scalar argument types. It returns a 0 if the specified relation is <span class="emphasis"><em>false</em></span> and a -1 (i.e. all
bits set) if the specified relation is <span class="emphasis"><em>true</em></span> for vector argument types.
</p>
<p>
This function can be used with built-in scalar or vector types as arguments and return a scalar vector integer result. The argument type igentype refers to signed integer vector types i.e. <span class="type">char</span>, <span class="type">char<em class="replaceable"><code>n</code></em></span>, <span class="type">short</span>, <span class="type">short<em class="replaceable"><code>n</code></em></span>, <span class="type">int</span>, <span class="type">int<em class="replaceable"><code>n</code></em></span>, <span class="type">long</span>, and <span class="type">long<em class="replaceable"><code>n</code></em></span>.
</p>
<p>
If extended with <a class="citerefentry" href="cl_khr_fp64.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_fp64</span></span></a>, generic type name <span class="type">gentype</span> may indicate <span class="type">double</span> and <span class="type">double{2|4|8|16}</span> as arguments and return values. If extended with <a class="citerefentry" href="cl_khr_fp16.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_fp16</span></span></a>, generic type name <span class="type">gentype</span> may indicate <span class="type">half</span> and <span class="type">half{2|4|8|16}</span> as arguments and return values.
</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=184" target="OpenCL Spec">OpenCL Specification</a>
</p>
</div>
<div class="refsect1">
<a id="seealso"></a>
<h2>Also see</h2>
<p>
<a class="citerefentry" href="relationalFunctions.html"><span class="citerefentry"><span class="refentrytitle">Relational 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.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and/or associated documentation files (the
"Materials"), to deal in the Materials without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Materials, and to
permit persons to whom the Materials are furnished to do so, subject to
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in all copies or substantial portions of the Materials.
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