forked from boostorg/preprocessor
47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
#ifndef BOOST_PREPROCESSOR_ARITHMETIC_DIV_HPP
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#define BOOST_PREPROCESSOR_ARITHMETIC_DIV_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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/** \file
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<a href="../../../../boost/preprocessor/arithmetic/div.hpp">Click here to see the header.</a>
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*/
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#include <boost/preprocessor/comparison/less_equal.hpp>
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#include <boost/preprocessor/inc.hpp>
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/** Expands to the quotient of X and Y.
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For example, BOOST_PP_DIV(4,3) expands to 1 (a single token).
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<H3>Uses</H3>
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- BOOST_PP_WHILE()
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*/
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#define BOOST_PP_DIV(X,Y) BOOST_PP_DIV_D(0,X,Y)
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#ifndef DOXYGEN_SHOULD_SKIP_THIS
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#define BOOST_PP_DIV_D(D,X,Y) BOOST_PP_TUPLE_ELEM(3,0,BOOST_PP_WHILE##D(BOOST_PP_DIV_C,BOOST_PP_DIV_F,(0,X,Y)))
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#if !defined(BOOST_NO_COMPILER_CONFIG) && defined(__MWERKS__) && __MWERKS__ <= 0x2406
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# define BOOST_PP_DIV_C(D,P) BOOST_PP_LESS_EQUAL_D(D,BOOST_PP_TUPLE_ELEM(3,2,P),BOOST_PP_TUPLE_ELEM(3,1,P))
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# define BOOST_PP_DIV_F(D,P) (BOOST_PP_INC(BOOST_PP_TUPLE_ELEM(3,0,P)),BOOST_PP_SUB_D(D,BOOST_PP_TUPLE_ELEM(3,1,P),BOOST_PP_TUPLE_ELEM(3,2,P)),BOOST_PP_TUPLE_ELEM(3,2,P))
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#else
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# define BOOST_PP_DIV_C(D,P) BOOST_PP_LESS_EQUAL_D(D,BOOST_PP_TUPLE3_ELEM2 P,BOOST_PP_TUPLE3_ELEM1 P)
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# define BOOST_PP_DIV_F(D,P) (BOOST_PP_INC(BOOST_PP_TUPLE3_ELEM0 P),BOOST_PP_SUB_D(D,BOOST_PP_TUPLE3_ELEM1 P,BOOST_PP_TUPLE3_ELEM2 P),BOOST_PP_TUPLE3_ELEM2 P)
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#endif
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#endif
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/** Obsolete. Use BOOST_PP_DIV(). */
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#define BOOST_PREPROCESSOR_DIV(X,Y) BOOST_PP_DIV(X,Y)
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#endif
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