arithmetic.cpp

boost库提供标准的C++ API 配合dev c++使用,功能更加强大

# /* **************************************************************************
#  *                                                                          *
#  *     (C) Copyright Paul Mensonides 2002.  Permission to copy, use,        *
#  *     modify, sell, and distribute this software is granted provided       *
#  *     this copyright notice appears in all copies.  This software is       *
#  *     provided "as is" without express or implied warranty, and with       *
#  *     no claim at to its suitability for any purpose.                      *
#  *                                                                          *
#  ************************************************************************** */
#
# /* See http://www.boost.org for most recent version. */
#
# include <boost/preprocessor/arithmetic.hpp>
# include <boost/preprocessor/config/limits.hpp>
# include <libs/preprocessor/test/test.h>

// addition

BEGIN BOOST_PP_ADD(2, 3) == 5 END

BEGIN BOOST_PP_ADD(BOOST_PP_ADD(2, 2), 2) == 6 END
BEGIN BOOST_PP_ADD(2, BOOST_PP_ADD(1, 4)) == 7 END
BEGIN BOOST_PP_ADD(BOOST_PP_ADD(2, 2), BOOST_PP_ADD(2, 2)) == 8 END

// subtraction

BEGIN BOOST_PP_SUB(11, 0) == 11 END
BEGIN BOOST_PP_SUB(12, 1) == 11 END
BEGIN BOOST_PP_SUB(3, 4) == 0 END

BEGIN BOOST_PP_SUB(5, BOOST_PP_SUB(3, 2)) == 4 END
BEGIN BOOST_PP_SUB(BOOST_PP_SUB(10, 5), 2) == 3 END
BEGIN BOOST_PP_SUB(BOOST_PP_SUB(7, 3), BOOST_PP_SUB(10, 8)) == 2 END

// multiplication

BEGIN BOOST_PP_MUL(0, 1) == 0 END
BEGIN BOOST_PP_MUL(1, 0) == 0 END
BEGIN BOOST_PP_MUL(1, 1) == 1 END
BEGIN BOOST_PP_MUL(4, 3) == 12 END

BEGIN BOOST_PP_MUL(BOOST_PP_MUL(2, 2), 2) == 8 END
BEGIN BOOST_PP_MUL(2, BOOST_PP_MUL(2, 2)) == 8 END
BEGIN BOOST_PP_MUL(BOOST_PP_MUL(2, 2), BOOST_PP_MUL(2, 2)) == 16 END

// division

BEGIN BOOST_PP_DIV(2, 1) == 2 END
BEGIN BOOST_PP_DIV(0, 5) == 0 END
BEGIN BOOST_PP_DIV(7, 3) == 2 END

BEGIN BOOST_PP_DIV(BOOST_PP_DIV(4, 2), 2) == 1 END
BEGIN BOOST_PP_DIV(10, BOOST_PP_DIV(10, 2)) == 2 END
BEGIN BOOST_PP_DIV(BOOST_PP_DIV(10, 2), BOOST_PP_DIV(4, 2)) == 2 END

// modulus

BEGIN BOOST_PP_MOD(5, 5) == 0 END
BEGIN BOOST_PP_MOD(9, 5) == 4 END
BEGIN BOOST_PP_MOD(7, 4) == 3 END

BEGIN BOOST_PP_MOD(BOOST_PP_MOD(5, 3), 3) == 2 END
BEGIN BOOST_PP_MOD(5, BOOST_PP_MOD(4, 3)) == 0 END