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| <refentry> |
| <refentryinfo> |
| <keywordset> |
| <keyword> |
| macros, limits |
| </keyword> |
| </keywordset> |
| </refentryinfo> |
| |
| <refmeta> |
| <refentrytitle>macros and limits</refentrytitle> |
| |
| <refmiscinfo> |
| <copyright> |
| <year>2007-2009</year> |
| <holder>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.</holder> |
| </copyright> |
| </refmiscinfo> |
| <manvolnum>2</manvolnum> |
| </refmeta> |
| |
| <!-- ================================ SYNOPSIS --> |
| |
| <refnamediv id="limits"> |
| <refname>Macros and Limits</refname> |
| |
| <refpurpose> |
| Macro value limitations. |
| </refpurpose> |
| </refnamediv> |
| |
| |
| <!-- ================================ DESCRIPTION --> |
| |
| |
| <refsect1 xmlns:xlink="http://www.w3.org/1999/xlink" id="description"><title>Description</title> |
| <para> |
| The macro names given in the following list must use the values specified. These constant |
| expressions are suitable for use in #if preprocessing directives. |
| </para> |
| <para> |
| <informaltable frame="none"> |
| <tgroup cols="2" align="left" colsep="0" rowsep="0"> |
| <colspec colname="col1" colnum="1" /> |
| <colspec colname="col2" colnum="2" /> |
| <tbody> |
| <row><entry><code>#define FLT_DIG</code></entry> <entry><code>6</code></entry></row> |
| <row><entry><code>#define FLT_MANT_DIG</code></entry> <entry><code>24</code></entry></row> |
| <row><entry><code>#define FLT_MAX_10_EXP</code></entry> <entry><code>+38</code></entry></row> |
| <row><entry><code>#define FLT_MAX_EXP</code></entry> <entry><code>+128</code></entry></row> |
| <row><entry><code>#define FLT_MIN_10_EXP</code></entry> <entry><code>-37</code></entry></row> |
| <row><entry><code>#define FLT_MIN_EXP</code></entry> <entry><code>-125</code></entry></row> |
| <row><entry><code>#define FLT_RADIX</code></entry> <entry><code>2</code></entry></row> |
| <row><entry><code>#define FLT_MAX</code></entry> <entry><code>0x1.fffffep127f</code></entry></row> |
| <row><entry><code>#define FLT_MIN</code></entry> <entry><code>0x1.0p-126f</code></entry></row> |
| <row><entry><code>#define FLT_EPSILON</code></entry> <entry><code>0x1.0p-23f</code></entry></row> |
| <row><entry><code>#define CHAR_BIT</code></entry> <entry><code>8</code></entry></row> |
| <row><entry><code>#define CHAR_MAX</code></entry> <entry><code>SCHAR_MAX</code></entry></row> |
| <row><entry><code>#define CHAR_MIN</code></entry> <entry><code>SCHAR_MIN</code></entry></row> |
| <row><entry><code>#define INT_MAX</code></entry> <entry><code>2147483647</code></entry></row> |
| <row><entry><code>#define INT_MIN</code> </entry> <entry><code>(-2147483647- 1)</code></entry></row> |
| <row><entry><code>#define LONG_MAX</code> </entry> <entry><code>0x7fffffffffffffffL</code></entry></row> |
| <row><entry><code>#define LONG_MIN</code> </entry> <entry><code>(-0x7fffffffffffffffL- 1)</code></entry></row> |
| <row><entry><code>#define SCHAR_MAX</code> </entry> <entry><code>127</code></entry></row> |
| <row><entry><code>#define SCHAR_MIN</code> </entry> <entry><code>(-127 - 1)</code></entry></row> |
| <row><entry><code>#define SHRT_MAX</code> </entry> <entry><code>32767</code></entry></row> |
| <row><entry><code>#define SHRT_MIN</code> </entry> <entry><code>(-32767- 1)</code></entry></row> |
| <row><entry><code>#define UCHAR_MAX</code> </entry> <entry><code>255</code></entry></row> |
| <row><entry><code>#define USHRT_MAX</code></entry> <entry><code>65535</code></entry></row> |
| <row><entry><code>#define UINT_MAX</code> </entry> <entry><code>0xffffffff</code></entry></row> |
| <row><entry><code>#define ULONG_MAX</code> </entry> <entry><code>0xffffffffffffffffUL</code></entry> |
| </row> |
| </tbody> |
| </tgroup> |
| </informaltable> |
| </para> |
| |
| <para> |
| The macro names given in the following list (available if the built-in math functions are extended with <citerefentry><refentrytitle>cl_khr_fp64</refentrytitle></citerefentry>) must use the values specified. These constant |
| expressions are suitable for use in #if preprocessing directives. |
| </para> |
| <para> |
| <informaltable frame="none"> |
| <tgroup cols="2" align="left" colsep="0" rowsep="0"> |
| <colspec colname="col1" colnum="1" /> |
| <colspec colname="col2" colnum="2" /> |
| <tbody> |
| <row><entry><code>#define DBL_DIG</code> </entry> <entry><code>15</code></entry></row> |
| <row><entry><code>#define DBL_MANT_DIG</code> </entry> <entry><code>53</code></entry></row> |
| <row><entry><code>#define DBL_MAX_10_EXP</code> </entry> <entry><code>+308</code></entry></row> |
| <row><entry><code>#define DBL_MAX_EXP</code> </entry> <entry><code>+1024</code></entry></row> |
| <row><entry><code>#define DBL_MIN_10_EXP</code> </entry> <entry><code>-307</code></entry></row> |
| <row><entry><code>#define DBL_MIN_EXP</code> </entry> <entry><code>-1021</code></entry></row> |
| <row><entry><code>#define DBL_MAX</code> </entry> <entry><code>0x1.fffffffffffffp1023</code></entry></row> |
| <row><entry><code>#define DBL_MIN</code> </entry> <entry><code>0x1.0p-1022</code></entry></row> |
| <row><entry><code>#define DBL_EPSILON</code> </entry> <entry><code>0x1.0p-52</code></entry></row> |
| </tbody> |
| </tgroup> |
| </informaltable> |
| </para> |
| </refsect1> |
| |
| |
| <!-- ================================ EXAMPLE --> |
| <!-- DO NOT DELETE IN CASE AN EXAMPLE IS ADDED IN THE FUTURE --> |
| <!-- |
| <refsect2 id="example1"> |
| <title> |
| Example |
| </title> |
| |
| <informaltable frame="none"> |
| <tgroup cols="1" align="left" colsep="0" rowsep="0"> |
| <colspec colname="col1" colnum="1" /> |
| <tbody> |
| <row> |
| <entry> |
| Example goes here - it will be set in "code" type with white space preserved. |
| </entry> |
| </row> |
| </tbody> |
| </tgroup> |
| </informaltable> |
| </refsect2> |
| --> |
| |
| |
| <!-- ================================ SPECIFICATION --> |
| <!-- Set the "uri" attribute in the <olink /> element to the "named destination" for the PDF page |
| --> |
| <refsect1 id="specification"><title>Specification</title> |
| <para> |
| <imageobject> |
| <imagedata fileref="pdficon_small1.gif" format="gif" /> |
| </imageobject> |
| |
| <olink uri="macroLimits">OpenCL Specification</olink> |
| </para> |
| </refsect1> |
| |
| |
| <!-- ================================ ALSO SEE --> |
| |
| <refsect1 id="seealso"><title>Also see</title> |
| <para> |
| <citerefentry href="mathFunctions"><refentrytitle>Math Functions</refentrytitle></citerefentry>, |
| <citerefentry href="mathConstants"><refentrytitle>Symbolic Math Constants</refentrytitle></citerefentry>, |
| <citerefentry href="FP_CONTRACT"><refentrytitle>Floating Point Pragma</refentrytitle></citerefentry>, |
| <citerefentry href="scalarDataTypes"><refentrytitle>Scalar Data Types</refentrytitle></citerefentry>, |
| <citerefentry href="vectorDataTypes"><refentrytitle>Vector Data Types</refentrytitle></citerefentry>, |
| <citerefentry href="reservedDataTypes"><refentrytitle>Reserved Data Types</refentrytitle></citerefentry>, |
| <citerefentry href="otherDataTypes"><refentrytitle>Other Data Types</refentrytitle></citerefentry> |
| </para> |
| </refsect1> |
| |
| |
| |
| <!-- ============================== COPYRIGHT --> |
| <!-- Content included from copyright.inc.xsl --> |
| |
| <refsect3 id="Copyright"><title></title> |
| <imageobject> |
| <imagedata fileref="KhronosLogo.jpg" format="jpg" /> |
| </imageobject> |
| <para /> |
| </refsect3> |
| |
| </refentry> |
| |