text: 
  // Copyright Aleksey Gurtovoy 2000-2004
  //
  // Distributed under the Boost Software License, Version 1.0. 
  // (See accompanying file LICENSE_1_0.txt or copy at 
  // http://www.boost.org/LICENSE_1_0.txt)
  //
  
  // Preprocessed version of "boost/mpl/plus.hpp" header
  // -- DO NOT modify by hand!
  
  namespace geofeatures_boost {} namespace boost = geofeatures_boost; namespace geofeatures_boost { namespace mpl {
  
  template<
        typename Tag1
      , typename Tag2
  
      , BOOST_MPL_AUX_NTTP_DECL(int, tag1_)  = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag1)::value
      , BOOST_MPL_AUX_NTTP_DECL(int, tag2_)  = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag2)::value
      >
  struct plus_impl
      : if_c<
            ( tag1_ > tag2_ )
          , aux::cast2nd_impl< plus_impl< Tag1,Tag1 >,Tag1, Tag2 >
          , aux::cast1st_impl< plus_impl< Tag2,Tag2 >,Tag1, Tag2 >
          >::type
  {
  };
  
  /// for Digital Mars C++/compilers with no CTPS/TTP support
  template<> struct plus_impl< na,na >
  {
      template< typename U1, typename U2 > struct apply
      {
          typedef apply type;
          BOOST_STATIC_CONSTANT(int, value  = 0);
      };
  };
  
  template<> struct plus_impl< na,integral_c_tag >
  {
      template< typename U1, typename U2 > struct apply
      {
          typedef apply type;
          BOOST_STATIC_CONSTANT(int, value  = 0);
      };
  };
  
  template<> struct plus_impl< integral_c_tag,na >
  {
      template< typename U1, typename U2 > struct apply
      {
          typedef apply type;
          BOOST_STATIC_CONSTANT(int, value  = 0);
      };
  };
  
  template< typename T > struct plus_tag
  {
      typedef typename T::tag type;
  };
  
  /// forward declaration
  
  template<
        typename BOOST_MPL_AUX_NA_PARAM(N1)
      , typename BOOST_MPL_AUX_NA_PARAM(N2)
      >
  struct plus2;
  
  template<
        typename BOOST_MPL_AUX_NA_PARAM(N1)
      , typename BOOST_MPL_AUX_NA_PARAM(N2)
      , typename N3 = na, typename N4 = na, typename N5 = na
      >
  struct plus
  
      : if_<
  
            is_na<N3>
          , plus2< N1,N2 >
          , plus<
                plus2< N1,N2 >
              , N3, N4, N5
              >
          >::type
  
  {
      BOOST_MPL_AUX_LAMBDA_SUPPORT(
            5
          , plus
          , ( N1, N2, N3, N4, N5 )
          )
  };
  
  template<
        typename N1
      , typename N2
      >
  struct plus2
      : aux::msvc_eti_base< typename apply_wrap2<
            plus_impl<
                typename plus_tag<N1>::type
              , typename plus_tag<N2>::type
              >
          , N1
          , N2
          >::type >::type
  
  {
      BOOST_MPL_AUX_LAMBDA_SUPPORT(2, plus2, (N1, N2))
  
  };
  
  BOOST_MPL_AUX_NA_SPEC2(2, 5, plus)
  
  }}
  
  namespace geofeatures_boost {} namespace boost = geofeatures_boost; namespace geofeatures_boost { namespace mpl {
  
  namespace aux {
  template< typename T, T n1, T n2 >
  struct plus_wknd
  {
      BOOST_STATIC_CONSTANT(T, value  = (n1 + n2));
      typedef integral_c< T,value > type;
  };
  
  }
  
  template<>
  struct plus_impl< integral_c_tag,integral_c_tag >
  {
      template< typename N1, typename N2 > struct apply
          : aux::plus_wknd<
                typename aux::largest_int<
                    typename N1::value_type
                  , typename N2::value_type
                  >::type
              , N1::value
              , N2::value
              >::type
  
      {
      };
  };
  
  }}
  