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14<div class="section" id="limit-unrolling">
15<h1><a class="toc-backref" href="./configuration.html#id526" name="limit-unrolling">BOOST_MPL_LIMIT_UNROLLING</a></h1>
16<div class="section" id="id311">
17<h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3>
18<pre class="literal-block">
19#if !defined(<a href="./limit-unrolling.html" class="identifier">BOOST_MPL_LIMIT_UNROLLING</a>)
20#   define <a href="./limit-unrolling.html" class="identifier">BOOST_MPL_LIMIT_UNROLLING</a> \
21        <em>implementation-defined integral constant</em> \
22/**/
23#endif
24</pre>
25</div>
26<div class="section" id="id312">
27<h3><a class="subsection-title" href="#description" name="description">Description</a></h3>
28<p><tt class="literal"><span class="pre"><a href="./limit-unrolling.html" class="identifier">BOOST_MPL_LIMIT_UNROLLING</a></span></tt> is an overridable configuration macro regulating
29the unrolling depth of the library's iteration algorithms. In this implementation
30of the library, <tt class="literal"><span class="pre"><a href="./limit-unrolling.html" class="identifier">BOOST_MPL_LIMIT_UNROLLING</a></span></tt> has a default value of 4. To
31override the default, define <tt class="literal"><span class="pre"><a href="./limit-unrolling.html" class="identifier">BOOST_MPL_LIMIT_UNROLLING</a></span></tt> to the desired
32value before including any library header.
33[<em>Note:</em> Overriding will take effect
34<em>only</em> if the library is configured not to use <a class="reference" href="./cfg-no-preprocessed.html">preprocessed headers</a>. See
35<a class="refentry reference" href="./cfg-no-preprocessed.html"><tt class="refentry literal"><span class="pre">BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS</span></tt></a> for more information. — <em>end note</em>]</p>
36</div>
37<div class="section" id="id313">
38<h3><a class="subsection-title" href="#example" name="example">Example</a></h3>
39<p>Except for overall library performace, overriding the
40<tt class="literal"><span class="pre"><a href="./limit-unrolling.html" class="identifier">BOOST_MPL_LIMIT_UNROLLING</a></span></tt>'s default value has no user-observable effects.</p>
41</div>
42<div class="section" id="id314">
43<h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3>
44<p><a class="reference" href="./configuration.html">Configuration</a>, <a class="refentry reference" href="./cfg-no-preprocessed.html"><tt class="refentry literal"><span class="pre">BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS</span></tt></a></p>
45<!-- modtime: November 10, 2004 04:38:24 +0000 -->
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