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| <title>Relational Built-In Functions</title> |
| <meta name="generator" content="DocBook XSL Stylesheets V1.79.1" /> |
| <meta name="keywords" content="Relational Built-In Functions" /> |
| </head> |
| <body> |
| <div class="refentry"> |
| <a id="id-1"></a> |
| <div class="titlepage"></div> |
| <div xmlns="" class="refnamediv"> |
| <h1>Relational Built-In Functions</h1> |
| <p>Click an item in the table below for details about that function.</p> |
| </div> |
| <div class="refsect1"> |
| <a id="springboard"></a> |
| <h2></h2> |
| <div class="informaltable"> |
| <table class="informaltable" border="1"> |
| <colgroup> |
| <col align="left" class="col1" /> |
| <col align="left" class="col2" /> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td align="left"><a class="citerefentry" href="isequal.html"><span class="citerefentry"><span class="refentrytitle">isequal</span></span></a> |
| </td> |
| <td align="left"> |
| <p> |
| Component-wise compare of <code class="varname">x</code> == <code class="varname">y</code>. |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="isnotequal.html"><span class="citerefentry"><span class="refentrytitle">isnotequal</span></span></a></td> |
| <td align="left"> |
| <p>Component-wise compare of <code class="varname">x</code> |
| != <code class="varname">y</code>.</p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="isgreater.html"> |
| <span class="citerefentry"> |
| <span class="refentrytitle">isgreater</span> |
| </span> |
| </a> |
| </td> |
| <td align="left"> |
| <p>Component-wise compare of <code class="varname">x</code> |
| > <code class="varname">y</code>.</p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="isgreaterequal.html"> |
| <span class="citerefentry"> |
| <span class="refentrytitle">isgreaterequal</span> |
| </span> |
| </a> |
| </td> |
| <td align="left"> |
| <p>Component-wise compare of <code class="varname">x</code> >= <code class="varname">y</code>.</p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="isless.html"> |
| <span class="citerefentry"> |
| <span class="refentrytitle">isless</span> |
| </span> |
| </a> |
| </td> |
| <td align="left"> |
| <p>Component-wise compare of <code class="varname">x</code> < <code class="varname">y</code>.</p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="islessequal.html"> |
| <span class="citerefentry"> |
| <span class="refentrytitle">islessequal</span> |
| </span> |
| </a> |
| </td> |
| <td align="left"> |
| <p>Component-wise compare of <code class="varname">x</code> <= <code class="varname">y</code>.</p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="islessgreater.html"> |
| <span class="citerefentry"> |
| <span class="refentrytitle">islessgreater</span> |
| </span> |
| </a> |
| </td> |
| <td align="left"> |
| <p> |
| Component-wise compare of (<code class="varname">x</code> < <code class="varname">y</code>) || |
| (<code class="varname">x</code> > <code class="varname">y</code>). |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="isfinite.html"> |
| <span class="citerefentry"> |
| <span class="refentrytitle">isfinite</span> |
| </span> |
| </a> |
| </td> |
| <td align="left"> |
| <p>Test for finite value.</p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="isinf.html"> |
| <span class="citerefentry"> |
| <span class="refentrytitle">isinf</span> |
| </span> |
| </a> |
| </td> |
| <td align="left"> |
| <p>Test for positive or negative infinity.</p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="isnan.html"> |
| <span class="citerefentry"> |
| <span class="refentrytitle">isnan</span> |
| </span> |
| </a> |
| </td> |
| <td align="left"> |
| <p>Test for a NaN.</p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="isnormal.html"> |
| <span class="citerefentry"> |
| <span class="refentrytitle">isnormal</span> |
| </span> |
| </a> |
| </td> |
| <td align="left"> |
| <p>Test for a normal value.</p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="isordered.html"> |
| <span class="citerefentry"> |
| <span class="refentrytitle">isordered</span> |
| </span> |
| </a> |
| </td> |
| <td align="left"> |
| <p>Test if arguments are ordered.</p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="isunordered.html"> |
| <span class="citerefentry"> |
| <span class="refentrytitle">isunordered</span> |
| </span> |
| </a> |
| </td> |
| <td align="left"> |
| <p>Test if arguments are unordered.</p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="signbit.html"> |
| <span class="citerefentry"> |
| <span class="refentrytitle">signbit</span> |
| </span> |
| </a> |
| </td> |
| <td align="left"> |
| <p>Test for sign bit.</p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="any.html"> |
| <span class="citerefentry"> |
| <span class="refentrytitle">any</span> |
| </span> |
| </a> |
| </td> |
| <td align="left"> |
| <p>1 if MSB in any component of <code class="varname">x</code> is set; else 0.</p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="any.html"> |
| <span class="citerefentry"> |
| <span class="refentrytitle">all</span> |
| </span> |
| </a> |
| </td> |
| <td align="left"> |
| <p>1 if MSB in all components of <code class="varname">x</code> is set; else 0.</p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="bitselect.html"> |
| <span class="citerefentry"> |
| <span class="refentrytitle">bitselect</span> |
| </span> |
| </a> |
| </td> |
| <td align="left"> |
| <p> |
| Each bit of result is corresponding bit of <code class="varname">a</code> if corresponding |
| bit of <code class="varname">c</code> is 0. |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td align="left"> |
| <a class="citerefentry" href="select.html"> |
| <span class="citerefentry"> |
| <span class="refentrytitle">select</span> |
| </span> |
| </a> |
| </td> |
| <td align="left"> |
| <p> |
| For each component of a vector type, result[<code class="varname">i</code>] |
| = if MSB of <code class="varname">c</code>[<code class="varname">i</code>] |
| is set ? <code class="varname">b</code>[<code class="varname">i</code>] : |
| <code class="varname">a</code>[<code class="varname">i</code>] For scalar type, result = |
| <code class="varname">c</code> ? <code class="varname">b</code> : <code class="varname">a</code>. |
| </p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a id="description"></a> |
| <h2>Description</h2> |
| <p> |
| If an implementation extends this specification to support IEEE-754 flags or |
| exceptions, then all built-in relational functions shall proceed without raising the |
| <code class="varname">invalid</code> floating-point exception when one or more of the operands |
| are NaNs. |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="specification"></a> |
| <h2>Specification</h2> |
| <p> |
| <img src="pdficon_small1.gif" /> |
| <a href="https://www.khronos.org/registry/cl/specs/opencl-2.1-openclc.pdf#page=90" target="OpenCL Spec">OpenCL Specification</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 © 2007-2015 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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