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+<html>
+<head>
+ <title>BOOST_PP_DIV_D</title>
+ <link rel="stylesheet" type="text/css" href="../styles.css">
+</head>
+<body>
+ <div style="margin-left: 0px;">
+ The <b>BOOST_PP_DIV_D</b> macro expands to the quotient of its second and third arguments.
+ It reenters <b>BOOST_PP_WHILE</b> with maximum efficiency.
+ </div>
+ <h4>Usage</h4>
+ <div class="code">
+ <b>BOOST_PP_DIV_D</b>(<i>d</i>, <i>x</i>, <i>y</i>)
+ </div>
+ <h4>Arguments</h4>
+ <dl>
+ <dt>d</dt>
+ <dd>
+ The next available <b>BOOST_PP_WHILE</b> iteration.
+ </dd>
+ <dt>x</dt>
+ <dd>
+ The dividend (numerator) of the operation.
+ Valid values range from <i>0</i> to <b>BOOST_PP_LIMIT_MAG</b>.
+ </dd>
+ <dt>y</dt>
+ <dd>
+ The divisor (denominator) of the operation.
+ Valid values range from <i>1</i> to <b>BOOST_PP_LIMIT_MAG</b>.
+ </dd>
+ </dl>
+ <h4>Remarks</h4>
+ <div>
+ If <i>y</i> is <i>0</i>, the result is undefined.
+ </div>
+ <h4>See Also</h4>
+ <ul>
+ <li><a href="div.html">BOOST_PP_DIV</a></li>
+ <li><a href="limit_mag.html">BOOST_PP_LIMIT_MAG</a></li>
+ </ul>
+ <h4>Requirements</h4>
+ <div>
+ <b>Header:</b> <a href="../headers/arithmetic/div.html"><boost/preprocessor/arithmetic/div.hpp></a>
+ </div>
+ <h4>Sample Code</h4>
+<div><pre>
+#include <<a href="../headers/arithmetic/dec.html">boost/preprocessor/arithmetic/dec.hpp</a>>
+#include <<a href="../headers/arithmetic/div.html">boost/preprocessor/arithmetic/div.hpp</a>>
+#include <<a href="../headers/control/while.html">boost/preprocessor/control/while.hpp</a>>
+#include <<a href="../headers/tuple/elem.html">boost/preprocessor/tuple/elem.hpp</a>>
+
+#define PRED(d, data) <a href="tuple_elem.html">BOOST_PP_TUPLE_ELEM</a>(2, 0, data)
+
+#define OP(d, data) \
+ ( \
+ <a href="dec.html">BOOST_PP_DEC</a>( \
+ <a href="tuple_elem.html">BOOST_PP_TUPLE_ELEM</a>(2, 0, data) \
+ ), \
+ <a href="div_d.html">BOOST_PP_DIV_D</a>( \
+ d, \
+ <a href="tuple_elem.html">BOOST_PP_TUPLE_ELEM</a>(2, 1, data), \
+ 2 \
+ ) \
+ ) \
+ /**/
+
+// halve 'x' 'n' times
+#define HALVE(x, n) <a href="tuple_elem.html">BOOST_PP_TUPLE_ELEM</a>(2, 1, <a href="while.html">BOOST_PP_WHILE</a>(PRED, OP, (n, x)))
+
+HALVE(8, 2) // expands to 2
+HALVE(16, 1) // expands to 8
+</pre></div>
+ <hr size="1">
+ <div style="margin-left: 0px;">
+ <i>© Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i>
+ </br><i>© Copyright Paul Mensonides 2002</i>
+ </div>
+ <div style="margin-left: 0px;">
+ <p><small>Distributed under the Boost Software License, Version 1.0. (See
+ accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or
+ copy at <a href=
+ "http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p>
+ </div>
+</body>
+</html>