#ifndef BOOST_PREPROCESSOR_ARITHMETIC_MUL_HPP #define BOOST_PREPROCESSOR_ARITHMETIC_MUL_HPP // Copyright (C) 2001 // Housemarque Oy // http://www.housemarque.com // // 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 as to its suitability for any purpose. // See http://www.boost.org for most recent version. /*! \file Click here to see the header. */ #ifndef BOOST_PREPROCESSOR_ARITHMETIC_ADD_HPP # include #endif #ifndef BOOST_PREPROCESSOR_TUPLE_HPP # include #endif #ifndef BOOST_PREPROCESSOR_WHILE_HPP # include #endif //! Expands to the product of X and Y. #define BOOST_PREPROCESSOR_MUL(X,Y) BOOST_PREPROCESSOR_MUL_I(0,X,Y) #ifndef DOXYGEN_SHOULD_SKIP_THIS #define BOOST_PREPROCESSOR_MUL_I(I,X,Y) BOOST_PREPROCESSOR_TUPLE_ELEM(3,0,BOOST_PREPROCESSOR_WHILE##I(BOOST_PREPROCESSOR_MUL_C,BOOST_PREPROCESSOR_MUL_F,(0,X,Y))) #define BOOST_PREPROCESSOR_MUL_C(I,P) BOOST_PREPROCESSOR_TUPLE_ELEM(3,2,P) #define BOOST_PREPROCESSOR_MUL_F(I,P) (BOOST_PREPROCESSOR_ADD_I(I,BOOST_PREPROCESSOR_TUPLE_ELEM(3,0,P),BOOST_PREPROCESSOR_TUPLE_ELEM(3,1,P)),BOOST_PREPROCESSOR_TUPLE_ELEM(3,1,P),BOOST_PREPROCESSOR_DEC(BOOST_PREPROCESSOR_TUPLE_ELEM(3,2,P))) #endif /* DOXYGEN_SHOULD_SKIP_THIS */ #endif