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- <title>BOOST_PP_EQUAL_D</title>
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- The <b>BOOST_PP_EQUAL_D</b> macro compares two values for equality.
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- <h4>Usage</h4>
- <div class="code">
- <b>BOOST_PP_EQUAL_D</b>(<i>d</i>, <i>x</i>, <i>y</i>)
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- <h4>Arguments</h4>
- <dl>
- <dt>d</dt>
- <dd>
- This argument is ignored.
- </dd>
- <dt>x</dt>
- <dd>
- The left operand of the comparison.
- Valid values range from <i>0</i> to <b>BOOST_PP_LIMIT_MAG</b>.
- </dd>
- <dt>y</dt>
- <dd>
- The right operand of the comparison.
- Valid values range from <i>0</i> to <b>BOOST_PP_LIMIT_MAG</b>.
- </dd>
- </dl>
- <h4>Remarks</h4>
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- If <i>x</i> is equal to <i>y</i>, this macro expands to <i>1</i>.
- Otherwise, it expands to <i>0</i>.
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- <div>
- This macro is deprecated.
- It only exists for backward compatibility.
- Use <b>BOOST_PP_EQUAL</b> instead.
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- <h4>See Also</h4>
- <ul>
- <li><a href="equal.html">BOOST_PP_EQUAL</a></li>
- <li><a href="limit_mag.html">BOOST_PP_LIMIT_MAG</a></li>
- </ul>
- <h4>Requirements</h4>
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- <b>Header:</b> <a href="../headers/comparison/equal.html"><boost/preprocessor/comparison/equal.hpp></a>
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- <h4>Sample Code</h4>
- <div><pre>
- #include <<a href="../headers/comparison/equal.html">boost/preprocessor/comparison/equal.hpp</a>>
- <a href="equal_d.html">BOOST_PP_EQUAL_D</a>(1, 4, 3) // expands to 0
- <a href="equal_d.html">BOOST_PP_EQUAL_D</a>(1, 5, 5) // expands to 1
- </pre></div>
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- <div style="margin-left: 0px;">
- <i>© Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i>
- </br><i>© Copyright Paul Mensonides 2002</i>
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- <div style="margin-left: 0px;">
- <p><small>Distributed under the Boost Software License, Version 1.0. (See
- accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or
- copy at <a href=
- "http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p>
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