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| <title>Reserved Data Types</title> |
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| <meta name="keywords" content=" Reserved Data Types " /> |
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| <body> |
| <div class="refentry"> |
| <a id="idm1"></a> |
| <div class="titlepage"></div> |
| <div xmlns="" class="refnamediv"> |
| <a xmlns="http://www.w3.org/1999/xhtml" id="Reserved Data Types"></a> |
| <h1>Reserved Data Types</h1> |
| <p> |
| Built-in reserved Data Types. |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="description"></a> |
| <h2>Description</h2> |
| <p> |
| The data type names described in the table below |
| are reserved and cannot be used by applications as |
| user-defined type names. The vector data type |
| names defined in |
| <a class="citerefentry" href="vectorDataTypes.html.html"><span class="citerefentry"><span class="refentrytitle">Vector Data Types</span></span></a>, |
| but where <code class="varname">n</code> is any |
| value other than 2, 4, 8 and 16, are also reserved. |
| </p> |
| <p> |
| </p> |
| <div class="informaltable"> |
| <table class="informaltable" border="1"> |
| <colgroup> |
| <col align="left" class="col1" /> |
| <col align="left" class="col2" /> |
| </colgroup> |
| <thead> |
| <tr> |
| <th align="left">Type</th> |
| <th align="left">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td align="left"> |
| <span class="type">bool<em class="replaceable"><code>n</code></em></span> |
| </td> |
| <td align="left"> |
| A boolean vector. |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <span class="type">double</span>, <span class="type">double<em class="replaceable"><code>n</code></em></span> |
| </td> |
| <td align="left"> |
| A double precision floating-point number, and double precision vector. |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <span class="type">half<em class="replaceable"><code>n</code></em></span> |
| </td> |
| <td align="left"> |
| A 16-bit float vector. |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <span class="type">quad</span>, <span class="type">quad<em class="replaceable"><code>n</code></em></span> |
| </td> |
| <td align="left"> |
| A 128-bit floating-point number and vectors. |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <div class="literallayout"><p><span class="type">complex half</span>,<br /> |
| <span class="type">complex half<em class="replaceable"><code>n</code></em></span>,<br /> |
| <span class="type">imaginary half</span>,<br /> |
| <span class="type">imaginary half<em class="replaceable"><code>n</code></em></span></p></div> |
| </td> |
| <td align="left"> |
| A complex 16-bit floating-point number, and complex and imaginary |
| 16-bit floating-point vectors. |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <div class="literallayout"><p><span class="type">complex float</span>,<br /> |
| <span class="type">complex float<em class="replaceable"><code>n</code></em></span>,<br /> |
| <span class="type">imaginary float</span>,<br /> |
| <span class="type">imaginary float<em class="replaceable"><code>n</code></em></span></p></div> |
| </td> |
| <td align="left"> |
| A complex single precision floating-point |
| number, and complex and imaginary single |
| precision floating-point vectors. |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <div class="literallayout"><p><span class="type">complex double</span>,<br /> |
| <span class="type">complex double<em class="replaceable"><code>n</code></em></span>,<br /> |
| <span class="type">imaginary double</span>,<br /> |
| <span class="type">imaginary double<em class="replaceable"><code>n</code></em></span></p></div> |
| </td> |
| <td align="left"> |
| A complex double precision floating-point |
| number, and complex and imaginary double |
| precision floating-point vectors. |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <div class="literallayout"><p><span class="type">complex quad</span>,<br /> |
| <span class="type">complex quad<em class="replaceable"><code>n</code></em></span>,<br /> |
| <span class="type">imaginary quad</span>,<br /> |
| <span class="type">imaginary quad<em class="replaceable"><code>n</code></em></span></p></div> |
| </td> |
| <td align="left"> |
| A complex 128-bit floating-point number, and |
| complex and imaginary 128-bit floating-point |
| vectors. |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <span class="type">float<em class="replaceable"><code>n</code></em></span>x<span class="emphasis"><em>m</em></span> |
| </td> |
| <td align="left"> |
| An <span class="emphasis"><em>n</em></span> x <span class="emphasis"><em>m</em></span> matrix of single precision |
| floating-point values stored in column-major order. |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <span class="type">double<em class="replaceable"><code>n</code></em></span>x<span class="emphasis"><em>m</em></span> |
| </td> |
| <td align="left"> |
| An <span class="emphasis"><em>n</em></span> x <span class="emphasis"><em>m</em></span> matrix of double precision |
| floating-point values stored in column-major order. |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <div class="literallayout"><p><span class="type">long double</span>,<br /> |
| <span class="type">long double<em class="replaceable"><code>n</code></em></span></p></div> |
| </td> |
| <td align="left"> |
| A floating-point scalar and vector type with at |
| long doublen least as much precision and range as a double |
| and no more precision and range than a quad. |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <span class="type">long long</span>, |
| <span class="type">long long<em class="replaceable"><code>n</code></em></span> |
| </td> |
| <td align="left"> |
| A 128-bit signed integer scalar and vector. |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <span class="type">unsigned long long</span>, |
| <span class="type">ulong long</span>, |
| <span class="type">ulong long<em class="replaceable"><code>n</code></em></span> |
| </td> |
| <td align="left"> |
| A 128-bit unsigned integer scalar and vector. |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <p> |
| </p> |
| <p> |
| |
| The C99 derived types (arrays, structs, union, function, and pointers), constructed from the |
| built-in data types described in |
| <a class="citerefentry" href="scalarDataTypes.html"><span class="citerefentry"><span class="refentrytitle">Scalar Data Types</span></span></a>, |
| <a class="citerefentry" href="vectorDataTypes.html"><span class="citerefentry"><span class="refentrytitle">Vector Data Types</span></span></a>, and |
| <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">Other Data Types</span></span></a> |
| are also supported. |
| </p> |
| <p> |
| The type qualifiers <code class="constant">const</code>, |
| <code class="constant">restrict</code>, and <code class="constant">volatile</code> as |
| defined by the C99 specification are |
| supported. These qualifiers cannot be |
| used with <span class="type"><a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image2d_t</span></span></a></span> |
| and <span class="type"><a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image3d_t</span></span></a></span> |
| type. Types other than pointer types |
| shall not use the <code class="constant">restrict</code> qualifier. |
| </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=130" target="OpenCL Spec">OpenCL Specification</a> |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="seealso"></a> |
| <h2>Also see</h2> |
| <p> |
| <a class="citerefentry" href="macroLimits.html"><span class="citerefentry"><span class="refentrytitle">Macros and Limits</span></span></a>, |
| <a class="citerefentry" href="scalarDataTypes.html"><span class="citerefentry"><span class="refentrytitle">Scalar Data Types</span></span></a>, |
| <a class="citerefentry" href="vectorDataTypes.html"><span class="citerefentry"><span class="refentrytitle">Vector Data Types</span></span></a>, |
| <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">Other Data Types</span></span></a>, |
| <a class="citerefentry" href="abstractDataTypes.html"><span class="citerefentry"><span class="refentrytitle">Abstract Data Types</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 |
| in all copies or substantial portions of the Materials. |
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