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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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2002-10-03 22:13:37 +00:00
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2015-05-29 22:53:01 -04:00
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<meta content="text/html; charset=windows-1252"
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http-equiv="content-type">
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2015-05-29 22:53:01 -04:00
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<title>BOOST_PP_LIMIT_REPEAT</title>
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<link rel="stylesheet" type="text/css" href="../styles.css">
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<body>
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2020-08-23 20:12:06 -04:00
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<div style="margin-left: 0px;"> The <b>BOOST_PP_LIMIT_REPEAT</b>
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macro defines the maximum number of repetitions supported by each
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<b>BOOST_PP_REPEAT</b> dimension. </div>
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<h4>Usage</h4>
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<div class="code"> <b>BOOST_PP_LIMIT_REPEAT</b> </div>
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<h4>Remarks</h4>
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<div>This macro expands by default to <i>256</i>. The end-user can
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change this to 512 or 1024 by defining this macro to either value
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before including any library headers, as long as the end-user also
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defines the <a
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href="file:///E:/Programming/VersionControl/modular-boost/libs/preprocessor/doc/ref/limit_mag.html">BOOST_PP_LIMIT_MAG</a>
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macro to be equal to or greater than this value. <br>
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<br>
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NOTE: for the current latest versions of default preprocessor for
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Microsoft's VC++ compiler there is a nested macro limit of 256.
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This means in actuality that the number of repetitions using VC++
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is actually less than 256 depending on the repetition macro being
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used. For the BOOST_PP_REPEAT macro this limit appears to be 252
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while for the BOOST_PP_ENUM... series of macros this limit appears
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to be around 230, before the VC++ compiler gives a "C1009:
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compiler limit : macros nested too deeply" error. This is a
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compiler limitation of VC++ which may vary depending on the
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specific repetition macro being used, and therefore is not a
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problem the preprocessor library can solve. This limitation of the
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default preprocessor for VC++ does not exist for the new standard
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conforming preprocessor for VC++ in Visual Studio 2019 invoked
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with the<code> /Zc:preprocessor</code> switch.<br>
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</div>
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<h4>Requirements</h4>
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<div> <b>Header:</b> <a href="../headers/config/limits.html"><boost/preprocessor/config/limits.hpp></a>
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</div>
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<hr size="1">
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<div style="margin-left: 0px;"> <i>© Copyright <a
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href="http://www.housemarque.com" target="_top">Housemarque Oy</a>
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2002</i> <br>
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<i>© Copyright Paul Mensonides 2002</i> </div>
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<div style="margin-left: 0px;">
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<p><small>Distributed under the Boost Software License, Version
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1.0. (See accompanying file <a
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href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or
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copy at <a href="http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p>
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</div>
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</body>
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2002-10-03 22:13:37 +00:00
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