forked from boostorg/preprocessor
37 lines
1.2 KiB
C++
37 lines
1.2 KiB
C++
#ifndef BOOST_PREPROCESSOR_MIN_HPP
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#define BOOST_PREPROCESSOR_MIN_HPP
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/* Copyright (C) 2001
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* Housemarque Oy
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* http://www.housemarque.com
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*
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* Permission to copy, use, modify, sell and distribute this software is
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* granted provided this copyright notice appears in all copies. This
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* software is provided "as is" without express or implied warranty, and
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* with no claim as to its suitability for any purpose.
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*
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* See http://www.boost.org for most recent version.
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*/
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#include <boost/preprocessor/comparison/less_equal.hpp>
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#include <boost/preprocessor/if.hpp>
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/** <p>Expands to the minimum of <code>X</code> and <code>Y</code>.</p>
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<p>Both <code>X</code> and <code>Y</code> must expand to integer literals
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in the range [0, BOOST_PP_LIMIT_MAG].</p>
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<p>For example, <code>BOOST_PP_MIN(5,7)</code> expands to <code>5</code> (a
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single token).</p>
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<h3>Test</h3>
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<ul>
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<li><a href="../../test/arithmetic_test.cpp">arithmetic_test.cpp</a></li>
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</ul>
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*/
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#define BOOST_PP_MIN(X,Y) BOOST_PP_MIN_D(0,X,Y)
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/** <p>Can be used inside BOOST_PP_WHILE() (see for an explanation of the D parameter).</p> */
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#define BOOST_PP_MIN_D(D,X,Y) BOOST_PP_IF(BOOST_PP_LESS_EQUAL_D(D,Y,X),Y,X)
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#endif
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