1<html> 2<head> 3 <title>BOOST_PP_DEC</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_DEC</b> macro expands to one less than its argument. 9 </div> 10 <h4>Usage</h4> 11 <div class="code"> 12 <b>BOOST_PP_DEC</b>(<i>x</i>) 13 </div> 14 <h4>Arguments</h4> 15 <dl> 16 <dt>x</dt> 17 <dd> 18 The value to be decremented. 19 Valid values range from <i>0</i> to <b>BOOST_PP_LIMIT_MAG</b>. 20 </dd> 21 </dl> 22 <h4>Remarks</h4> 23 <div> 24 If <i>x</i> is <i>0</i>, the result is saturated to <i>0</i>. 25 </div> 26 <h4>See Also</h4> 27 <ul> 28 <li><a href="inc.html">BOOST_PP_INC</a></li> 29 <li><a href="limit_mag.html">BOOST_PP_LIMIT_MAG</a></li> 30 </ul> 31 <h4>Requirements</h4> 32 <div> 33 <b>Header:</b> <a href="../headers/arithmetic/dec.html"><boost/preprocessor/arithmetic/dec.hpp></a> 34 </div> 35 <h4>Sample Code</h4> 36<div><pre> 37#include <<a href="../headers/arithmetic/dec.html">boost/preprocessor/arithmetic/dec.hpp</a>> 38 39<a href="dec.html">BOOST_PP_DEC</a>(<a href="dec.html">BOOST_PP_DEC</a>(6)) // expands to 4 40<a href="dec.html">BOOST_PP_DEC</a>(0) // expands to 0 41</pre></div> 42 <hr size="1"> 43 <div style="margin-left: 0px;"> 44 <i>� Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i> 45 </br><i>� Copyright Paul Mensonides 2002</i> 46 </div> 47 <div style="margin-left: 0px;"> 48 <p><small>Distributed under the Boost Software License, Version 1.0. (See 49 accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or 50 copy at <a href= 51 "http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p> 52 </div> 53</body> 54</html> 55