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/Src/Dependencies/Boost/boost/mpl/aux_/preprocessed/bcc_pre590/shift_right.hpp

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C++ Header | 99 lines | 72 code | 17 blank | 10 comment | 0 complexity | 7cbc5ee39d3de531665a1e78b883145c MD5 | raw file
 1
 2// Copyright Aleksey Gurtovoy 2000-2004
 3// Copyright Jaap Suter 2003
 4//
 5// Distributed under the Boost Software License, Version 1.0. 
 6// (See accompanying file LICENSE_1_0.txt or copy at 
 7// http://www.boost.org/LICENSE_1_0.txt)
 8//
 9
10// *Preprocessed* version of the main "shift_right.hpp" header
11// -- DO NOT modify by hand!
12
13namespace boost { namespace mpl {
14
15template<
16      typename Tag1
17    , typename Tag2
18    >
19struct shift_right_impl
20    : if_c<
21          ( BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag1)
22              > BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag2)
23            )
24
25        , aux::cast2nd_impl< shift_right_impl< Tag1,Tag1 >,Tag1, Tag2 >
26        , aux::cast1st_impl< shift_right_impl< Tag2,Tag2 >,Tag1, Tag2 >
27        >::type
28{
29};
30
31/// for Digital Mars C++/compilers with no CTPS/TTP support
32template<> struct shift_right_impl< na,na >
33{
34    template< typename U1, typename U2 > struct apply
35    {
36        typedef apply type;
37        BOOST_STATIC_CONSTANT(int, value  = 0);
38    };
39};
40
41template< typename Tag > struct shift_right_impl< na,Tag >
42{
43    template< typename U1, typename U2 > struct apply
44    {
45        typedef apply type;
46        BOOST_STATIC_CONSTANT(int, value  = 0);
47    };
48};
49
50template< typename Tag > struct shift_right_impl< Tag,na >
51{
52    template< typename U1, typename U2 > struct apply
53    {
54        typedef apply type;
55        BOOST_STATIC_CONSTANT(int, value  = 0);
56    };
57};
58
59template< typename T > struct shift_right_tag
60{
61    typedef typename T::tag type;
62};
63
64template<
65      typename BOOST_MPL_AUX_NA_PARAM(N1)
66    , typename BOOST_MPL_AUX_NA_PARAM(N2)
67    >
68struct shift_right
69
70    : shift_right_impl<
71          typename shift_right_tag<N1>::type
72        , typename shift_right_tag<N2>::type
73        >::template apply< N1,N2 >::type
74{
75    BOOST_MPL_AUX_LAMBDA_SUPPORT(2, shift_right, (N1, N2))
76
77};
78
79BOOST_MPL_AUX_NA_SPEC2(2, 2, shift_right)
80
81}}
82
83namespace boost { namespace mpl {
84template<>
85struct shift_right_impl< integral_c_tag,integral_c_tag >
86{
87    template< typename N, typename S > struct apply
88
89        : integral_c<
90              typename N::value_type
91            , ( BOOST_MPL_AUX_VALUE_WKND(N)::value
92                  >> BOOST_MPL_AUX_VALUE_WKND(S)::value
93                )
94            >
95    {
96    };
97};
98
99}}