#ifndef BOOST_PREPROCESSOR_ARITHMETIC_MOD_HPP #define BOOST_PREPROCESSOR_ARITHMETIC_MOD_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. */ #include /**

Expands to the remainder of X and Y.

Both X and Y must expand to integer literals in the range [0, BOOST_PP_LIMIT_MAG].

For example, BOOST_PP_MOD(4,3) expands to 1 (a single token).

Test

*/ #define BOOST_PP_MOD(X,Y) BOOST_PP_MOD_D(0,X,Y) /**

Can be used inside BOOST_PP_WHILE() (see for an explanation of the D parameter).

*/ #define BOOST_PP_MOD_D(D,X,Y) BOOST_PP_TUPLE_ELEM(2,0,BOOST_PP_WHILE##D(BOOST_PP_MOD_C,BOOST_PP_MOD_F,(X,Y))) #define BOOST_PP_MOD_C(D,RY) BOOST_PP_LESS_EQUAL_D(D,BOOST_PP_TUPLE2_ELEM1 RY,BOOST_PP_TUPLE2_ELEM0 RY) #define BOOST_PP_MOD_F(D,RY) (BOOST_PP_SUB_D(D,BOOST_PP_TUPLE2_ELEM0 RY,BOOST_PP_TUPLE2_ELEM1 RY),BOOST_PP_TUPLE2_ELEM1 RY) #endif