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| 1 | <html> |
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| 2 | <head> |
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| 3 | <title>BOOST_PP_DEC</title> |
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| 4 | <link rel="stylesheet" type="text/css" href="../styles.css"> |
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| 5 | </head> |
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| 6 | <body> |
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| 7 | <div style="margin-left: 0px;"> |
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| 8 | The <b>BOOST_PP_DEC</b> macro expands to one less than its argument. |
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| 9 | </div> |
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| 10 | <h4>Usage</h4> |
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| 11 | <div class="code"> |
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| 12 | <b>BOOST_PP_DEC</b>(<i>x</i>) |
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| 13 | </div> |
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| 14 | <h4>Arguments</h4> |
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| 15 | <dl> |
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| 16 | <dt>x</dt> |
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| 17 | <dd> |
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| 18 | The value to be decremented. |
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| 19 | Valid values range from <i>0</i> to <b>BOOST_PP_LIMIT_MAG</b>. |
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| 20 | </dd> |
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| 21 | </dl> |
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| 22 | <h4>Remarks</h4> |
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| 23 | <div> |
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| 24 | If <i>x</i> is <i>0</i>, the result is saturated to <i>0</i>. |
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| 25 | </div> |
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| 26 | <h4>See Also</h4> |
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| 27 | <ul> |
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| 28 | <li><a href="inc.html">BOOST_PP_INC</a></li> |
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| 29 | <li><a href="limit_mag.html">BOOST_PP_LIMIT_MAG</a></li> |
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| 30 | </ul> |
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| 31 | <h4>Requirements</h4> |
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| 32 | <div> |
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| 33 | <b>Header:</b> <a href="../headers/arithmetic/dec.html"><boost/preprocessor/arithmetic/dec.hpp></a> |
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| 34 | </div> |
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| 35 | <h4>Sample Code</h4> |
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| 36 | <div><pre> |
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| 37 | #include <<a href="../headers/arithmetic/dec.html">boost/preprocessor/arithmetic/dec.hpp</a>> |
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| 38 | |
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| 39 | <a href="dec.html">BOOST_PP_DEC</a>(<a href="dec.html">BOOST_PP_DEC</a>(6)) // expands to 4 |
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| 40 | <a href="dec.html">BOOST_PP_DEC</a>(0) // expands to 0 |
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| 41 | </pre></div> |
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| 42 | </body> |
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| 43 | </html> |
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