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/Src/Dependencies/Boost/boost/mpl/aux_/preprocessed/no_ttp/plus.hpp

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C++ Header | 156 lines | 123 code | 24 blank | 9 comment | 0 complexity | c2f5a74e6217ed498f436e3ce8d021ce MD5 | raw file
  1
  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 "boost/mpl/plus.hpp" header
 10// -- DO NOT modify by hand!
 11
 12namespace boost { namespace mpl {
 13
 14template<
 15      typename Tag1
 16    , typename Tag2
 17    >
 18struct plus_impl
 19    : if_c<
 20          ( BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag1)
 21              > BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag2)
 22            )
 23
 24        , aux::cast2nd_impl< plus_impl< Tag1,Tag1 >,Tag1, Tag2 >
 25        , aux::cast1st_impl< plus_impl< Tag2,Tag2 >,Tag1, Tag2 >
 26        >::type
 27{
 28};
 29
 30/// for Digital Mars C++/compilers with no CTPS/TTP support
 31template<> struct plus_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< typename Tag > struct plus_impl< na,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< typename Tag > struct plus_impl< 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 plus_tag
 59{
 60    typedef typename T::tag type;
 61};
 62
 63template<
 64      typename BOOST_MPL_AUX_NA_PARAM(N1)
 65    , typename BOOST_MPL_AUX_NA_PARAM(N2)
 66    , typename N3 = na, typename N4 = na, typename N5 = na
 67    >
 68struct plus
 69    : plus< plus< plus< plus< N1,N2 >, N3>, N4>, N5>
 70{
 71    BOOST_MPL_AUX_LAMBDA_SUPPORT(
 72          5
 73        , plus
 74        , ( N1, N2, N3, N4, N5 )
 75        )
 76};
 77
 78template<
 79      typename N1, typename N2, typename N3, typename N4
 80    >
 81struct plus< N1,N2,N3,N4,na >
 82
 83    : plus< plus< plus< N1,N2 >, N3>, N4>
 84{
 85    BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(
 86          5
 87        , plus
 88        , ( N1, N2, N3, N4, na )
 89        )
 90};
 91
 92template<
 93      typename N1, typename N2, typename N3
 94    >
 95struct plus< N1,N2,N3,na,na >
 96
 97    : plus< plus< N1,N2 >, N3>
 98{
 99    BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(
100          5
101        , plus
102        , ( N1, N2, N3, na, na )
103        )
104};
105
106template<
107      typename N1, typename N2
108    >
109struct plus< N1,N2,na,na,na >
110    : plus_impl<
111          typename plus_tag<N1>::type
112        , typename plus_tag<N2>::type
113        >::template apply< N1,N2 >::type
114{
115    BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(
116          5
117        , plus
118        , ( N1, N2, na, na, na )
119        )
120
121};
122
123BOOST_MPL_AUX_NA_SPEC2(2, 5, plus)
124
125}}
126
127namespace boost { namespace mpl {
128
129namespace aux {
130template< typename T, T n1, T n2 >
131struct plus_wknd
132{
133    BOOST_STATIC_CONSTANT(T, value  = (n1 + n2));
134    typedef integral_c< T,value > type;
135};
136
137}
138
139template<>
140struct plus_impl< integral_c_tag,integral_c_tag >
141{
142    template< typename N1, typename N2 > struct apply
143        : aux::plus_wknd<
144              typename aux::largest_int<
145                  typename N1::value_type
146                , typename N2::value_type
147                >::type
148            , N1::value
149            , N2::value
150            >::type
151
152    {
153    };
154};
155
156}}