1
2#ifndef BOOST_MPL_AUX_PREPROCESSOR_SUB_HPP_INCLUDED
3#define BOOST_MPL_AUX_PREPROCESSOR_SUB_HPP_INCLUDED
4
5// Copyright Aleksey Gurtovoy 2002-2004
6//
7// Distributed under the Boost Software License, Version 1.0.
8// (See accompanying file LICENSE_1_0.txt or copy at
9// http://www.boost.org/LICENSE_1_0.txt)
10//
11// See http://www.boost.org/libs/mpl for documentation.
12
13// $Id$
14// $Date$
15// $Revision$
16
17#include <boost/mpl/aux_/config/preprocessor.hpp>
18
19#if !defined(BOOST_MPL_CFG_NO_OWN_PP_PRIMITIVES)
20
21# include <boost/mpl/aux_/preprocessor/tuple.hpp>
22
23#if defined(BOOST_MPL_CFG_BROKEN_PP_MACRO_EXPANSION)
24# include <boost/preprocessor/cat.hpp>
25
26# define BOOST_MPL_PP_SUB(i,j) \
27 BOOST_MPL_PP_SUB_DELAY(i,j) \
28 /**/
29
30# define BOOST_MPL_PP_SUB_DELAY(i,j) \
31 BOOST_PP_CAT(BOOST_MPL_PP_TUPLE_11_ELEM_##i,BOOST_MPL_PP_SUB_##j) \
32 /**/
33#else
34# define BOOST_MPL_PP_SUB(i,j) \
35 BOOST_MPL_PP_SUB_DELAY(i,j) \
36 /**/
37
38# define BOOST_MPL_PP_SUB_DELAY(i,j) \
39 BOOST_MPL_PP_TUPLE_11_ELEM_##i BOOST_MPL_PP_SUB_##j \
40 /**/
41#endif
42
43# define BOOST_MPL_PP_SUB_0 (0,1,2,3,4,5,6,7,8,9,10)
44# define BOOST_MPL_PP_SUB_1 (0,0,1,2,3,4,5,6,7,8,9)
45# define BOOST_MPL_PP_SUB_2 (0,0,0,1,2,3,4,5,6,7,8)
46# define BOOST_MPL_PP_SUB_3 (0,0,0,0,1,2,3,4,5,6,7)
47# define BOOST_MPL_PP_SUB_4 (0,0,0,0,0,1,2,3,4,5,6)
48# define BOOST_MPL_PP_SUB_5 (0,0,0,0,0,0,1,2,3,4,5)
49# define BOOST_MPL_PP_SUB_6 (0,0,0,0,0,0,0,1,2,3,4)
50# define BOOST_MPL_PP_SUB_7 (0,0,0,0,0,0,0,0,1,2,3)
51# define BOOST_MPL_PP_SUB_8 (0,0,0,0,0,0,0,0,0,1,2)
52# define BOOST_MPL_PP_SUB_9 (0,0,0,0,0,0,0,0,0,0,1)
53# define BOOST_MPL_PP_SUB_10 (0,0,0,0,0,0,0,0,0,0,0)
54
55#else
56
57# include <boost/preprocessor/arithmetic/sub.hpp>
58
59# define BOOST_MPL_PP_SUB(i,j) \
60 BOOST_PP_SUB(i,j) \
61 /**/
62
63#endif
64
65#endif // BOOST_MPL_AUX_PREPROCESSOR_SUB_HPP_INCLUDED
66

source code of boost/boost/mpl/aux_/preprocessor/sub.hpp