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    <title>isunordered</title>
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      <div xmlns="" class="refnamediv">
        <a xmlns="http://www.w3.org/1999/xhtml" id="isunordered"></a>
        <h1>isunordered</h1>
        <p>
            Test if arguments are unordered.
        </p>
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        <h2></h2>
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              <td>
                <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">
                    <a class="link" href="scalarDataTypes.html" target="_top">int</a>


                    <strong class="fsfunc">                   
                        isunordered
                    </strong>
                (</code>
                <td>float <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">x</var>, </td>
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              <td> </td>
              <td>float <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">y</var><code>)</code></td>
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                <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">
                    <a class="link" href="scalarDataTypes.html" target="_top">int</a>

<em class="replaceable">n</em>
                    <strong class="fsfunc">                   
                        isunordered
                    </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">x</var>, </td>
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              <td> </td>
              <td>float<em xmlns="http://www.w3.org/1999/xhtml" class="replaceable">n</em> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">y</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">isunordered</code> (<span class="type">double</span> <code class="varname">x</code>, 
                 <span class="type">double</span> <code class="varname">y</code>)      // if double extension enabled 

<span class="type">long<em class="replaceable"><code>n</code></em></span> <code class="function">isunordered</code> (<span class="type">double<em class="replaceable"><code>n</code></em></span> <code class="varname">x</code>, 
                   <span class="type">double<em class="replaceable"><code>n</code></em></span> <code class="varname">y</code>)      // if double extension enabled 
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int <code class="function">isunordered</code> (<span class="type">half</span> <code class="varname">x</code>, 
                 <span class="type">half</span> <code class="varname">y</code>)      // if half extension enabled 

<span class="type">short<em class="replaceable"><code>n</code></em></span> <code class="function">isunordered</code> (<span class="type">half<em class="replaceable"><code>n</code></em></span> <code class="varname">x</code>, 
                    <span class="type">half<em class="replaceable"><code>n</code></em></span> <code class="varname">y</code>)      // if half extension enabled 
</td>
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      <div class="refsect1">
        <a id="description"></a>
        <h2>Description</h2>
        <p>
		Test if arguments are unordered. <code class="function">isunordered</code>() takes
arguments <code class="varname">x</code> and <code class="varname">y</code>, returning non-zero if <code class="varname">x</code> or  <code class="varname">y</code> is NaN, and zero otherwise.
		</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
the condition that this copyright notice and permission notice shall be included
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