1 #ifndef BOOST_PREPROCESSOR_COMPARISON_EQUAL_HPP
2 #define BOOST_PREPROCESSOR_COMPARISON_EQUAL_HPP
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16 #include <boost/preprocessor/comparison/not_equal.hpp>
17 #include <boost/preprocessor/logical/not.hpp>
19 /** <p>Expands to <code>1</code> if <code>X == Y</code> and <code>0</code>
22 <p>Both <code>X</code> and <code>Y</code> must expand to integer literals
23 in the range [0, BOOST_PP_LIMIT_MAG].</p>
25 <p>For example, <code>BOOST_PP_EQUAL(4,4)</code> expands to <code>1</code>.</p>
29 <li><a href="../../test/arithmetic_test.cpp">arithmetic_test.cpp</a></li>
32 #define BOOST_PP_EQUAL(X,Y) BOOST_PP_EQUAL_D(0,X,Y)
34 /** <p>Can be used inside BOOST_PP_WHILE() (see for an explanation of the D parameter).</p> */
35 #define BOOST_PP_EQUAL_D(D,X,Y) BOOST_PP_NOT(BOOST_PP_NOT_EQUAL_D(D,X,Y))