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    <title>cross</title>
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    <meta name="keywords" content="&#10;                cross&#10;            " />
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  <body>
    <div class="refentry">
      <a id="id-1"></a>
      <div class="titlepage"></div>
      <div xmlns="" class="refnamediv">
        <a xmlns="http://www.w3.org/1999/xhtml" id="cross"></a>
        <h1>cross</h1>
        <p>
            Cross product.
        </p>
      </div>
      <div class="refsynopsisdiv">
        <h2></h2>
        <div class="funcsynopsis">
          <table xmlns="" border="0" summary="Function synopsis" cellspacing="0" cellpadding="0">
            <tr valign="bottom">
              <td>
                <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">
                    <a class="link" href="vectorDataTypes.html" target="pagedisplay">float4</a>
                    <strong class="fsfunc">
                        cross
                    </strong>
                (</code>
                <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="vectorDataTypes.html" target="pagedisplay">float4</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">p0</var>, </td>
              </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="vectorDataTypes.html" target="pagedisplay">float4</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">p1</var><code>)</code></td>
            </tr>
          </table>
        </div>
        <div class="funcsynopsis">
          <table xmlns="" border="0" summary="Function synopsis" cellspacing="0" cellpadding="0">
            <tr valign="bottom">
              <td>
                <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">
                    <a class="link" href="vectorDataTypes.html" target="pagedisplay">float3</a>
                    <strong class="fsfunc">
                        cross
                    </strong>
                (</code>
                <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="vectorDataTypes.html" target="pagedisplay">float3</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">p0</var>, </td>
              </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="vectorDataTypes.html" target="pagedisplay">float3</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">p1</var><code>)</code></td>
            </tr>
          </table>
        </div>
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          <table xmlns="" border="0" summary="Function synopsis" cellspacing="0" cellpadding="0">
            <tr valign="bottom">
              <td>
                <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">
                    <a class="link" href="vectorDataTypes.html" target="pagedisplay">double4</a>
                    <strong class="fsfunc">
                        cross
                    </strong>
                (</code>
                <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="vectorDataTypes.html" target="pagedisplay">double4</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">p0</var>, </td>
              </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="vectorDataTypes.html" target="pagedisplay">double4</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">p1</var><code>)</code></td>
            </tr>
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          <table xmlns="" border="0" summary="Function synopsis" cellspacing="0" cellpadding="0">
            <tr valign="bottom">
              <td>
                <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">
                    <a class="link" href="vectorDataTypes.html" target="pagedisplay">double3</a>
                    <strong class="fsfunc">
                        cross
                    </strong>
                (</code>
                <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="vectorDataTypes.html" target="pagedisplay">double3</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">p0</var>, </td>
              </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="vectorDataTypes.html" target="pagedisplay">double3</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">p1</var><code>)</code></td>
            </tr>
          </table>
        </div>
      </div>
      <div class="refsect2">
        <a id="double"></a>
        <h3></h3>
        <div class="informaltable">
          <table border="0">
            <colgroup>
              <col align="left" class="col1" />
            </colgroup>
            <tbody>
              <tr>
                <td align="left">
<span class="type"><a class="link" href="vectorDataTypes.html" target="pagedisplay">half4</a></span> <code class="function">cross</code>
     (<span class="type"><a class="link" href="vectorDataTypes.html" target="pagedisplay">half4</a></span> <code class="varname">p0</code>,
       <span class="type"><a class="link" href="vectorDataTypes.html" target="pagedisplay">half4</a></span> <code class="varname">p1</code>)   // if half extension enabled
                        </td>
              </tr>
              <tr>
                <td align="left">
<span class="type"><a class="link" href="vectorDataTypes.html" target="pagedisplay">half3</a></span> <code class="function">cross</code>
     (<span class="type"><a class="link" href="vectorDataTypes.html" target="pagedisplay">half3</a></span> <code class="varname">p0</code>,
       <span class="type"><a class="link" href="vectorDataTypes.html" target="pagedisplay">half3</a></span> <code class="varname">p1</code>)   // if half extension enabled
                        </td>
              </tr>
            </tbody>
          </table>
        </div>
      </div>
      <div class="refsect1">
        <a id="description"></a>
        <h2>Description</h2>
        <p>
          
          Returns the cross product of <code class="varname">p0.xyz</code> and <code class="varname">p1.xyz</code>. The
          <code class="varname">w</code> component of the <span class="type">float4</span> result (or <span class="type">double</span>
          if the <a class="citerefentry" href="cl_khr_fp16.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_fp16</span></span></a>
          extension is enabled) will be 0.0.
        </p>
      </div>
      <div class="refsect1">
        <a id="notes"></a>
        <h2>Notes</h2>
        <p>
      Built-in geometric functions operate component-wise.  The description
      is per-component.  <span class="type">float<em class="replaceable"><code>n</code></em></span> is
      <span class="type">float</span>, <span class="type">float2</span>, <span class="type">float3</span>, or <span class="type">float4</span> and
      <span class="type">double<em class="replaceable"><code>n</code></em></span> is <span class="type">double</span>, <span class="type">double2</span>,
      <span class="type">double3</span>, or <span class="type">double4</span>. The built-in geometric functions are
      implemented using the round to nearest even rounding mode.
    </p>
        <p>
        The geometric functions can be implemented using contractions such
        as <a class="citerefentry" href="mad.html"><span class="citerefentry"><span class="refentrytitle">mad</span></span></a> or
        <a class="citerefentry" href="fma.html"><span class="citerefentry"><span class="refentrytitle">fma</span></span></a>.
    </p>
        <p>
          An application that wants to use <span class="type">half</span>
          and <span class="type">half<em class="replaceable"><code>n</code></em></span>
          types will need to include the <code class="code">#pragma OPENCL EXTENSION
          <a class="citerefentry" href="cl_khr_fp16.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_fp16</span></span></a> : enable</code>
          directive.
        </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-1.2.pdf#page=262" target="OpenCL Spec">OpenCL Specification</a>
        </p>
      </div>
      <div class="refsect1">
        <a id="seealso"></a>
        <h2>Also see</h2>
        <p>
            <a class="citerefentry" href="geometricFunctions.html"><span class="citerefentry"><span class="refentrytitle">Geometric 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 © 2007-2011 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
in all copies or substantial portions of the Materials.
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