1 <html> 2 <head> 3 <title>BOOST_PP_GREATER</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_GREATER</b> macro compares two values for greater magnitude. 9 </div> 10 <h4>Usage</h4> 11 <div class="code"> 12 <b>BOOST_PP_GREATER</b>(<i>x</i>, <i>y</i>) 13 </div> 14 <h4>Arguments</h4> 15 <dl> 16 <dt>x</dt> 17 <dd> 18 The left operand of the comparison. 19 Valid values range from <i>0</i> to <b>BOOST_PP_LIMIT_MAG</b>. 20 </dd> 21 <dt>y</dt> 22 <dd> 23 The right operand of the comparison. 24 Valid values range from <i>0</i> to <b>BOOST_PP_LIMIT_MAG</b>. 25 </dd> 26 </dl> 27 <h4>Remarks</h4> 28 <div> 29 If <i>x</i> is greater than <i>y</i>, this macro expands to <i>1</i>. 30 Otherwise, it expands to <i>0</i>. 31 </div> 32 <div> 33 Previously, this macro could not be used inside <b>BOOST_PP_WHILE</b>. 34 There is no longer any such restriction. 35 It is more efficient, however, to use <b>BOOST_PP_GREATER_D</b> in such a situation. 36 </div> 37 <h4>See Also</h4> 38 <ul> 39 <li><a href="greater_d.html">BOOST_PP_GREATER_D</a></li> 40 <li><a href="limit_mag.html">BOOST_PP_LIMIT_MAG</a></li> 41 </ul> 42 <h4>Requirements</h4> 43 <div> 44 <b>Header:</b> <a href="../headers/comparison/greater.html"><boost/preprocessor/comparison/greater.hpp></a> 45 </div> 46 <h4>Sample Code</h4> 47 <div><pre> 48 #include <<a href="../headers/comparison/greater.html">boost/preprocessor/comparison/greater.hpp</a>> 49 50 <a href="greater.html">BOOST_PP_GREATER</a>(4, 3) // expands to 1 51 <a href="greater.html">BOOST_PP_GREATER</a>(5, 5) // expands to 0 52 </pre></div> 53 <hr size="1"> 54 <div style="margin-left: 0px;"> 55 <i>� Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i> 56 </br><i>� Copyright Paul Mensonides 2002</i> 57 </div> 58 <div style="margin-left: 0px;"> 59 <p><small>Distributed under the Boost Software License, Version 1.0. (See 60 accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or 61 copy at <a href= 62 "http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p> 63 </div> 64 </body> 65 </html> 66