blob: dc70c442e29bfcabd3870b17365941053cf31cc7 [file] [log] [blame]
Jeff Thompsona28eed82013-08-22 16:21:10 -07001
2// Copyright Aleksey Gurtovoy 2000-2004
3//
4// Distributed under the Boost Software License, Version 1.0.
5// (See accompanying file LICENSE_1_0.txt or copy at
6// http://www.boost.org/LICENSE_1_0.txt)
7//
8
9// Preprocessed version of "ndnboost/mpl/minus.hpp" header
10// -- DO NOT modify by hand!
11
12namespace ndnboost { namespace mpl {
13
14template<
15 typename Tag1
16 , typename Tag2
17
18 , BOOST_MPL_AUX_NTTP_DECL(int, tag1_) = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag1)::value
19 , BOOST_MPL_AUX_NTTP_DECL(int, tag2_) = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag2)::value
20 >
21struct minus_impl
22 : if_c<
23 ( tag1_ > tag2_ )
24 , aux::cast2nd_impl< minus_impl< Tag1,Tag1 >,Tag1, Tag2 >
25 , aux::cast1st_impl< minus_impl< Tag2,Tag2 >,Tag1, Tag2 >
26 >::type
27{
28};
29
30/// for Digital Mars C++/compilers with no CTPS/TTP support
31template<> struct minus_impl< na,na >
32{
33 template< typename U1, typename U2 > struct apply
34 {
35 typedef apply type;
36 BOOST_STATIC_CONSTANT(int, value = 0);
37 };
38};
39
40template<> struct minus_impl< na,integral_c_tag >
41{
42 template< typename U1, typename U2 > struct apply
43 {
44 typedef apply type;
45 BOOST_STATIC_CONSTANT(int, value = 0);
46 };
47};
48
49template<> struct minus_impl< integral_c_tag,na >
50{
51 template< typename U1, typename U2 > struct apply
52 {
53 typedef apply type;
54 BOOST_STATIC_CONSTANT(int, value = 0);
55 };
56};
57
58template< typename T > struct minus_tag
59{
60 typedef typename T::tag type;
61};
62
63/// forward declaration
64
65template<
66 typename BOOST_MPL_AUX_NA_PARAM(N1)
67 , typename BOOST_MPL_AUX_NA_PARAM(N2)
68 >
69struct minus2;
70
71template<
72 typename BOOST_MPL_AUX_NA_PARAM(N1)
73 , typename BOOST_MPL_AUX_NA_PARAM(N2)
74 , typename N3 = na, typename N4 = na, typename N5 = na
75 >
76struct minus
77
78 : if_<
79
80 is_na<N3>
81 , minus2< N1,N2 >
82 , minus<
83 minus2< N1,N2 >
84 , N3, N4, N5
85 >
86 >::type
87
88{
89 BOOST_MPL_AUX_LAMBDA_SUPPORT(
90 5
91 , minus
92 , ( N1, N2, N3, N4, N5 )
93 )
94};
95
96template<
97 typename N1
98 , typename N2
99 >
100struct minus2
101 : aux::msvc_eti_base< typename apply_wrap2<
102 minus_impl<
103 typename minus_tag<N1>::type
104 , typename minus_tag<N2>::type
105 >
106 , N1
107 , N2
108 >::type >::type
109
110{
111 BOOST_MPL_AUX_LAMBDA_SUPPORT(2, minus2, (N1, N2))
112
113};
114
115BOOST_MPL_AUX_NA_SPEC2(2, 5, minus)
116
117}}
118
119namespace ndnboost { namespace mpl {
120
121namespace aux {
122template< typename T, T n1, T n2 >
123struct minus_wknd
124{
125 BOOST_STATIC_CONSTANT(T, value = (n1 - n2));
126 typedef integral_c< T,value > type;
127};
128
129}
130
131template<>
132struct minus_impl< integral_c_tag,integral_c_tag >
133{
134 template< typename N1, typename N2 > struct apply
135 : aux::minus_wknd<
136 typename aux::largest_int<
137 typename N1::value_type
138 , typename N2::value_type
139 >::type
140 , N1::value
141 , N2::value
142 >::type
143
144 {
145 };
146};
147
148}}