blob: 8e7b60610eeb0f9f4903f33d5e329a2a464cee38 [file] [log] [blame]
Jeff Thompsona28eed82013-08-22 16:21:10 -07001
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 "ndnboost/mpl/shift_left.hpp" header
11// -- DO NOT modify by hand!
12
13namespace ndnboost { namespace mpl {
14
15template<
16 typename Tag1
17 , typename Tag2
18
19 , BOOST_MPL_AUX_NTTP_DECL(int, tag1_) = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag1)::value
20 , BOOST_MPL_AUX_NTTP_DECL(int, tag2_) = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag2)::value
21 >
22struct shift_left_impl
23 : if_c<
24 ( tag1_ > tag2_ )
25 , aux::cast2nd_impl< shift_left_impl< Tag1,Tag1 >,Tag1, Tag2 >
26 , aux::cast1st_impl< shift_left_impl< Tag2,Tag2 >,Tag1, Tag2 >
27 >::type
28{
29};
30
31/// for Digital Mars C++/compilers with no CTPS/TTP support
32template<> struct shift_left_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<> struct shift_left_impl< na,integral_c_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<> struct shift_left_impl< integral_c_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_left_tag
60 : tag< T,na >
61{
62};
63
64template<
65 typename BOOST_MPL_AUX_NA_PARAM(N1)
66 , typename BOOST_MPL_AUX_NA_PARAM(N2)
67 >
68struct shift_left
69 : aux::msvc_eti_base< typename apply_wrap2<
70 shift_left_impl<
71 typename shift_left_tag<N1>::type
72 , typename shift_left_tag<N2>::type
73 >
74 , N1
75 , N2
76 >::type >::type
77
78{
79 BOOST_MPL_AUX_LAMBDA_SUPPORT(2, shift_left, (N1, N2))
80
81};
82
83BOOST_MPL_AUX_NA_SPEC2(2, 2, shift_left)
84
85}}
86
87namespace ndnboost { namespace mpl {
88
89namespace aux {
90template< typename T, typename Shift, T n, Shift s >
91struct shift_left_wknd
92{
93 BOOST_STATIC_CONSTANT(T, value = (n << s));
94 typedef integral_c< T,value > type;
95};
96
97}
98
99template<>
100struct shift_left_impl< integral_c_tag,integral_c_tag >
101{
102 template< typename N, typename S > struct apply
103 : aux::shift_left_wknd<
104 typename N::value_type
105 , typename S::value_type
106 , N::value
107 , S::value
108 >::type
109
110 {
111 };
112};
113
114}}