sdk/2.1/docs/man/xhtml/relationalFunctions.html

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    <title>Relational Built-In Functions</title>
    <meta name="generator" content="DocBook XSL Stylesheets V1.79.1" />
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  <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>
            &gt; <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> &gt;= <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> &lt; <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> &lt;= <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> &lt; <code class="varname">y</code>) ||
                (<code class="varname">x</code> &gt; <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
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