1<html> 2<head> 3 <title>BOOST_PP_MAX_D</title> 4 <link rel="stylesheet" type="text/css" href="../styles.css"> 5</head> 6<body> 7 <div style="margin-left: 0px;"> 8 The <b>BOOST_PP_MAX_D</b> macro expands to the greater of its second and third arguments. 9 It reenters <b>BOOST_PP_WHILE</b> with maximum efficiency. 10 </div> 11 <h4>Usage</h4> 12 <div class="code"> 13 <b>BOOST_PP_MAX_D</b>(<i>d</i>, <i>x</i>, <i>y</i>) 14 </div> 15 <h4>Arguments</h4> 16 <dl> 17 <dt>d</dt> 18 <dd> 19 The next available <b>BOOST_PP_WHILE</b> iteration. 20 </dd> 21 <dt>x</dt> 22 <dd> 23 The first operand. 24 Valid values range from <i>0</i> to <b>BOOST_PP_LIMIT_MAG</b>. 25 </dd> 26 <dt>y</dt> 27 <dd> 28 The second operand. 29 Valid values range from <i>0</i> to <b>BOOST_PP_LIMIT_MAG</b>. 30 </dd> 31 </dl> 32 <h4>Remarks</h4> 33 <div> 34 This macro returns the greater of its first and second arguments or the value of both arguments if they are equal. 35 </div> 36 <h4>See Also</h4> 37 <ul> 38 <li><a href="limit_mag.html">BOOST_PP_LIMIT_MAG</a></li> 39 <li><a href="max.html">BOOST_PP_MAX</a></li> 40 </ul> 41 <h4>Requirements</h4> 42 <div> 43 <b>Header:</b> <a href="../headers/selection/max.html"><boost/preprocessor/selection/max.hpp></a> 44 </div> 45 <h4>Sample Code</h4> 46<div><pre> 47#include <<a href="../headers/list/fold_left.html">boost/preprocessor/list/fold_left.hpp</a>> 48#include <<a href="../headers/selection/max.html">boost/preprocessor/selection/max.hpp</a>> 49 50#define LIST (1, (3, (5, (2, (4, <a href="nil.html">BOOST_PP_NIL</a>))))) 51 52#define OP(d, state, x) <a href="max_d.html">BOOST_PP_MAX_D</a>(d, state, x) 53 54#define LIST_MAX(list) <a href="list_fold_left.html">BOOST_PP_LIST_FOLD_LEFT</a>(OP, 0, LIST) 55 56LIST_MAX(LIST) // expands to 5 57</pre></div> 58 <hr size="1"> 59 <div style="margin-left: 0px;"> 60 <i>� Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i> 61 </br><i>� Copyright Paul Mensonides 2002</i> 62 </div> 63 <div style="margin-left: 0px;"> 64 <p><small>Distributed under the Boost Software License, Version 1.0. (See 65 accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or 66 copy at <a href= 67 "http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p> 68 </div> 69</body> 70</html> 71