preprocessed/msvc70/plus.hpp

0001
0002 // Copyright Aleksey Gurtovoy 2000-2004
0003 //
0004 // Distributed under the Boost Software License, Version 1.0.
0005 // (See accompanying file LICENSE_1_0.txt or copy at
0006 // http://www.boost.org/LICENSE_1_0.txt)
0007 //
0008
0009 // Preprocessed version of "boost/mpl/plus.hpp" header
0010 // -- DO NOT modify by hand!
0011
0012 namespace boost { namespace mpl {
0013
0014 template<
0015       typename Tag1
0016     , typename Tag2
0017
0018     , BOOST_MPL_AUX_NTTP_DECL(int, tag1_)  = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag1)::value
0019     , BOOST_MPL_AUX_NTTP_DECL(int, tag2_)  = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag2)::value
0020     >
0021 struct plus_impl
0022     : if_c<
0023           ( tag1_ > tag2_ )
0024         , aux::cast2nd_impl< plus_impl< Tag1,Tag1 >,Tag1, Tag2 >
0025         , aux::cast1st_impl< plus_impl< Tag2,Tag2 >,Tag1, Tag2 >
0026         >::type
0027 {
0028 };
0029
0030 /// for Digital Mars C++/compilers with no CTPS/TTP support
0031 template<> struct plus_impl< na,na >
0032 {
0033     template< typename U1, typename U2 > struct apply
0034     {
0035         typedef apply type;
0036         BOOST_STATIC_CONSTANT(int, value  = 0);
0037     };
0038 };
0039
0040 template<> struct plus_impl< na,integral_c_tag >
0041 {
0042     template< typename U1, typename U2 > struct apply
0043     {
0044         typedef apply type;
0045         BOOST_STATIC_CONSTANT(int, value  = 0);
0046     };
0047 };
0048
0049 template<> struct plus_impl< integral_c_tag,na >
0050 {
0051     template< typename U1, typename U2 > struct apply
0052     {
0053         typedef apply type;
0054         BOOST_STATIC_CONSTANT(int, value  = 0);
0055     };
0056 };
0057
0058 template< typename T > struct plus_tag
0059     : tag< T,na >
0060 {
0061 };
0062
0063 /// forward declaration
0064
0065 template<
0066       typename BOOST_MPL_AUX_NA_PARAM(N1)
0067     , typename BOOST_MPL_AUX_NA_PARAM(N2)
0068     >
0069 struct plus2;
0070
0071 template<
0072       typename BOOST_MPL_AUX_NA_PARAM(N1)
0073     , typename BOOST_MPL_AUX_NA_PARAM(N2)
0074     , typename N3 = na, typename N4 = na, typename N5 = na
0075     >
0076 struct plus
0077
0078     : aux::msvc_eti_base< typename if_<
0079
0080           is_na<N3>
0081         , plus2< N1,N2 >
0082         , plus<
0083               plus2< N1,N2 >
0084             , N3, N4, N5
0085             >
0086         >::type
0087
0088     >
0089
0090 {
0091     BOOST_MPL_AUX_LAMBDA_SUPPORT(
0092           5
0093         , plus
0094         , ( N1, N2, N3, N4, N5 )
0095         )
0096 };
0097
0098 template<
0099       typename N1
0100     , typename N2
0101     >
0102 struct plus2
0103     : aux::msvc_eti_base< typename apply_wrap2<
0104           plus_impl<
0105               typename plus_tag<N1>::type
0106             , typename plus_tag<N2>::type
0107             >
0108         , N1
0109         , N2
0110         >::type >::type
0111
0112 {
0113     BOOST_MPL_AUX_LAMBDA_SUPPORT(2, plus2, (N1, N2))
0114
0115 };
0116
0117 BOOST_MPL_AUX_NA_SPEC2(2, 5, plus)
0118
0119 }}
0120
0121 namespace boost { namespace mpl {
0122
0123 namespace aux {
0124 template< typename T, T n1, T n2 >
0125 struct plus_wknd
0126 {
0127     BOOST_STATIC_CONSTANT(T, value  = (n1 + n2));
0128     typedef integral_c< T,value > type;
0129 };
0130
0131 }
0132
0133 template<>
0134 struct plus_impl< integral_c_tag,integral_c_tag >
0135 {
0136     template< typename N1, typename N2 > struct apply
0137         : aux::plus_wknd<
0138               typename aux::largest_int<
0139                   typename N1::value_type
0140                 , typename N2::value_type
0141                 >::type
0142             , N1::value
0143             , N2::value
0144             >::type
0145
0146     {
0147     };
0148 };
0149
0150 }}