mirror of
https://github.com/boostorg/preprocessor.git
synced 2025-07-15 13:36:33 +02:00
61 lines
1.8 KiB
HTML
61 lines
1.8 KiB
HTML
<html>
|
|
<head>
|
|
<title>BOOST_PP_MIN_D</title>
|
|
<link rel="stylesheet" type="text/css" href="../styles.css">
|
|
<script language="javascript" type="text/javascript" src="../scripts.js"></script>
|
|
</head>
|
|
<body onload="init('sample');">
|
|
<div style="margin-left: 0px;">
|
|
The <b>BOOST_PP_MIN_D</b> macro expands to the lesser 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_MIN_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 first operand.
|
|
Valid values range from <i>0</i> to <b>BOOST_PP_LIMIT_MAG</b>.
|
|
</dd>
|
|
<dt>y</dt>
|
|
<dd>
|
|
The second operand.
|
|
Valid values range from <i>0</i> to <b>BOOST_PP_LIMIT_MAG</b>.
|
|
</dd>
|
|
</dl>
|
|
<h4>Remarks</h4>
|
|
<div>
|
|
This macro returns the lesser of its first and second arguments or the value of both arguments if they are equal.
|
|
</div>
|
|
<h4>See Also</h4>
|
|
<ul>
|
|
<li><a href="limit_mag.html">BOOST_PP_LIMIT_MAG</a></li>
|
|
<li><a href="min.html">BOOST_PP_MIN</a></li>
|
|
</ul>
|
|
<h4>Requirements</h4>
|
|
<div>
|
|
<b>Header:</b> <a href="../headers/selection/min.hpp.html"><boost/preprocessor/selection/min.hpp></a>
|
|
</div>
|
|
<h4><a class="local" onclick="toggle('sample');" onmouseover="change(this);" onmouseout="revert(this);">Sample Code</a></h4>
|
|
<div id="sample"><pre>
|
|
#include <boost/preprocessor/list/fold_left.hpp>
|
|
#include <boost/preprocessor/selection/min.hpp>
|
|
|
|
#define LIST (1, (3, (5, (2, (4, BOOST_PP_NIL)))))
|
|
|
|
#define OP(d, state, x) BOOST_PP_MIN_D(d, state, x)
|
|
|
|
#define LIST_MAX(list) BOOST_PP_LIST_FOLD_LEFT(OP, 20, LIST)
|
|
|
|
LIST_MIN(LIST) // expands to 1
|
|
<pre></div>
|
|
</body>
|
|
</html>
|