source: NonGTP/Boost/boost/mpl/aux_/shift_op.hpp @ 857

Revision 857, 2.4 KB checked in by igarcia, 19 years ago (diff)
Line 
1
2// NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION
3
4// Copyright Aleksey Gurtovoy 2000-2004
5//
6// Distributed under the Boost Software License, Version 1.0.
7// (See accompanying file LICENSE_1_0.txt or copy at
8// http://www.boost.org/LICENSE_1_0.txt)
9//
10// See http://www.boost.org/libs/mpl for documentation.
11
12// $Source: /cvsroot/boost/boost/boost/mpl/aux_/shift_op.hpp,v $
13// $Date: 2004/09/07 08:51:32 $
14// $Revision: 1.4 $
15
16#if !defined(BOOST_MPL_PREPROCESSING_MODE)
17#   include <boost/mpl/integral_c.hpp>
18#   include <boost/mpl/aux_/value_wknd.hpp>
19#endif
20
21#if !defined(AUX778076_OP_PREFIX)
22#   define AUX778076_OP_PREFIX AUX778076_OP_NAME
23#endif
24
25#define AUX778076_OP_ARITY 2
26
27#include <boost/mpl/aux_/numeric_op.hpp>
28#include <boost/mpl/aux_/config/static_constant.hpp>
29#include <boost/mpl/aux_/config/use_preprocessed.hpp>
30
31#if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
32    && !defined(BOOST_MPL_PREPROCESSING_MODE)
33
34#   define BOOST_MPL_PREPROCESSED_HEADER AUX778076_OP_PREFIX.hpp
35#   include <boost/mpl/aux_/include_preprocessed.hpp>
36
37#else
38
39#   include <boost/mpl/aux_/config/integral.hpp>
40#   include <boost/preprocessor/cat.hpp>
41
42namespace boost { namespace mpl {
43
44#if defined(BOOST_MPL_CFG_NO_NESTED_VALUE_ARITHMETIC)
45namespace aux {
46template< typename T, typename Shift, T n, Shift s >
47struct BOOST_PP_CAT(AUX778076_OP_PREFIX,_wknd)
48{
49    BOOST_STATIC_CONSTANT(T, value = (n AUX778076_OP_TOKEN s));
50    typedef integral_c<T,value> type;
51};
52}
53#endif
54
55template<>
56struct AUX778076_OP_IMPL_NAME<integral_c_tag,integral_c_tag>
57{
58    template< typename N, typename S > struct apply
59#if !defined(BOOST_MPL_CFG_NO_NESTED_VALUE_ARITHMETIC)
60        : integral_c<
61              typename N::value_type
62            , ( BOOST_MPL_AUX_VALUE_WKND(N)::value
63                  AUX778076_OP_TOKEN BOOST_MPL_AUX_VALUE_WKND(S)::value
64                )
65            >
66#else
67        : aux::BOOST_PP_CAT(AUX778076_OP_PREFIX,_wknd)<
68              typename N::value_type
69            , typename S::value_type
70            , N::value
71            , S::value
72            >::type
73#endif
74    {
75    };
76};
77
78}}
79
80#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
81
82#undef AUX778076_OP_TAG_NAME
83#undef AUX778076_OP_IMPL_NAME
84#undef AUX778076_OP_ARITY
85#undef AUX778076_OP_PREFIX
86#undef AUX778076_OP_NAME
87#undef AUX778076_OP_TOKEN
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