#if !defined(BOOST_PP_IS_ITERATING)
    
    ///// header body
    
    // NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION!
    
    // 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)
    //
    // See http://www.boost.org/libs/mpl for documentation.
    
    // $Source: /cvsroot/boost/boost/boost/mpl/aux_/numeric_op.hpp,v $
    // $Date: 2004/09/07 08:51:32 $
    // $Revision: 1.4 $
    
    #if !defined(BOOST_MPL_PREPROCESSING_MODE)
    #   include <boost/mpl/numeric_cast.hpp>
    #   include <boost/mpl/apply_wrap.hpp>
 !> #   include <boost/mpl/identity.hpp>
 !> #   include <boost/mpl/eval_if.hpp>
    #   include <boost/mpl/if.hpp>
    #   include <boost/mpl/tag.hpp>
    #   include <boost/mpl/aux_/na.hpp>
    #   include <boost/mpl/aux_/na_spec.hpp>
    #   include <boost/mpl/aux_/lambda_support.hpp>
    #   include <boost/mpl/aux_/msvc_eti_base.hpp>
    #   include <boost/mpl/aux_/value_wknd.hpp>
    #   include <boost/mpl/aux_/config/eti.hpp>
    #   include <boost/mpl/aux_/nttp_decl.hpp>
    #endif
    
    #include <boost/mpl/aux_/config/static_constant.hpp>
    
    #if defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
        || defined(BOOST_MPL_PREPROCESSING_MODE)
    
    #   include <boost/mpl/limits/arity.hpp>
    #   include <boost/mpl/aux_/preprocessor/partial_spec_params.hpp>
    #   include <boost/mpl/aux_/preprocessor/def_params_tail.hpp>
    #   include <boost/mpl/aux_/preprocessor/repeat.hpp>
    #   include <boost/mpl/aux_/preprocessor/params.hpp>
    #   include <boost/mpl/aux_/preprocessor/enum.hpp>
    #   include <boost/mpl/aux_/preprocessor/add.hpp>
    #   include <boost/mpl/aux_/preprocessor/sub.hpp>
    #   include <boost/mpl/aux_/config/ctps.hpp>
    #   include <boost/mpl/aux_/config/eti.hpp>
    #   include <boost/mpl/aux_/config/msvc.hpp>
    #   include <boost/mpl/aux_/config/workaround.hpp>
    
    #   include <boost/preprocessor/dec.hpp>
    #   include <boost/preprocessor/iterate.hpp>
    #   include <boost/preprocessor/cat.hpp>
    
    
    #if !defined(AUX778076_OP_ARITY)
    #   if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
    #       define AUX778076_OP_ARITY BOOST_MPL_LIMIT_METAFUNCTION_ARITY
    #   else
    #       define AUX778076_OP_ARITY 2
    #   endif
    #endif
    
    #if !defined(AUX778076_OP_IMPL_NAME)
    #   define AUX778076_OP_IMPL_NAME BOOST_PP_CAT(AUX778076_OP_PREFIX,_impl)
    #endif
    
    #if !defined(AUX778076_OP_TAG_NAME)
    #   define AUX778076_OP_TAG_NAME BOOST_PP_CAT(AUX778076_OP_PREFIX,_tag)
    #endif
    
    namespace boost { namespace mpl {
    
 -> #if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
 ->     && BOOST_WORKAROUND(BOOST_MSVC, != 1200)
 -> template< typename T > struct AUX778076_OP_TAG_NAME
 ->     : tag<T,na>
 -> {
 -> };
 -> #else
 -> template< typename T > struct AUX778076_OP_TAG_NAME
 -> {
 ->     typedef typename T::tag type;
 -> };
 -> #endif
 -> 
 -> 
    template< 
          typename Tag1
        , typename Tag2
    #if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
        , 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 AUX778076_OP_IMPL_NAME
 <!     : if_c<
 <!           ( tag1_ > tag2_ )
 !> {
 !>     template< typename U1, typename U2 > struct apply 
 !>     struct apply
 !>     {
 !>         BOOST_STATIC_CONSTANT(bool, cond = tag1_ > tag2_);
    #else
        >
    struct AUX778076_OP_IMPL_NAME
 <!     : if_c<
 <!           ( BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag1)
 <!               > BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag2)
 <!             )
 !> {
 !>     template< typename U1, typename U2 > struct apply 
 !>     struct apply
 !>     {
 !>         BOOST_STATIC_CONSTANT(
 !>           bool
 !>         , cond = BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag1) >
 !>                  BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag2)
 !>         );
    #endif
 <!         , aux::cast2nd_impl< AUX778076_OP_IMPL_NAME<Tag1,Tag2>,Tag1,Tag2 >
 <!         , aux::cast1st_impl< AUX778076_OP_IMPL_NAME<Tag1,Tag2>,Tag1,Tag2 >
 <!         >
 <! {
 !>         typedef typename eval_if_c<
 !>                            cond
 !>                          , identity<U1>
 !>                          , apply_wrap1<
 !>                              BOOST_MPL_AUX_NUMERIC_CAST<Tag1,Tag2>,U1
 !>                            >
 !>                          >::type
 !>                 u_1;
 !>         typedef typename eval_if_c<
 !>                            cond
 !>                          , apply_wrap1<
 !>                              BOOST_MPL_AUX_NUMERIC_CAST<Tag2,Tag1>,U2
 !>                            >
 !>                          , identity<U2>
 !>                          >::type
 !>                 u_2;
 !>         typedef typename apply_wrap2<
 !>                            AUX778076_OP_IMPL_NAME<
 !>                              typename AUX778076_OP_TAG_NAME<u_1>::type
 !>                            , typename AUX778076_OP_TAG_NAME<u_2>::type
 !>                            >
 !>                          , u_1
 !>                          , u_2
 !>                          >::type
 !>                 type;
 !>     };
    };
    
    /// for Digital Mars C++/compilers with no CTPS/TTP support
    template<> struct AUX778076_OP_IMPL_NAME<na,na>
    {
        template< typename U1, typename U2 > struct apply 
        {
            typedef apply type;
            BOOST_STATIC_CONSTANT(int, value = 0);
        };
    };
    
    #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
    template< typename Tag > struct AUX778076_OP_IMPL_NAME<na,Tag>
    {
        template< typename U1, typename U2 > struct apply 
        {
            typedef apply type;
            BOOST_STATIC_CONSTANT(int, value = 0);
        };
    };
    
    template< typename Tag > struct AUX778076_OP_IMPL_NAME<Tag,na>
    {
        template< typename U1, typename U2 > struct apply 
        {
            typedef apply type;
            BOOST_STATIC_CONSTANT(int, value = 0);
        };
    };
    #else
    template<> struct AUX778076_OP_IMPL_NAME<na,integral_c_tag>
    {
        template< typename U1, typename U2 > struct apply 
        {
            typedef apply type;
            BOOST_STATIC_CONSTANT(int, value = 0);
        };
    };
    
    template<> struct AUX778076_OP_IMPL_NAME<integral_c_tag,na>
    {
        template< typename U1, typename U2 > struct apply 
        {
            typedef apply type;
            BOOST_STATIC_CONSTANT(int, value = 0);
        };
    };
    #endif
    
    
 <- #if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
 <-     && BOOST_WORKAROUND(BOOST_MSVC, != 1200)
 <- template< typename T > struct AUX778076_OP_TAG_NAME
 <-     : tag<T,na>
 <- {
 <- };
 <- #else
 <- template< typename T > struct AUX778076_OP_TAG_NAME
 <- {
 <-     typedef typename T::tag type;
 <- };
 <- #endif
 <- 
 <- 
    #if AUX778076_OP_ARITY == 2
    template< 
          typename BOOST_MPL_AUX_NA_PARAM(N1)
        , typename BOOST_MPL_AUX_NA_PARAM(N2)
        >
    struct AUX778076_OP_NAME
    #else
    
    #   define AUX778076_OP_RIGHT_OPERAND(unused, i, N) , BOOST_PP_CAT(N, BOOST_MPL_PP_ADD(i, 2))>
    #   define AUX778076_OP_N_CALLS(i, N) \
        BOOST_MPL_PP_REPEAT( BOOST_PP_DEC(i), BOOST_MPL_PP_REPEAT_IDENTITY_FUNC, AUX778076_OP_NAME< ) \
        N1 BOOST_MPL_PP_REPEAT( BOOST_MPL_PP_SUB(i, 1), AUX778076_OP_RIGHT_OPERAND, N ) \
    /**/
    
    template<
          typename BOOST_MPL_AUX_NA_PARAM(N1)
        , typename BOOST_MPL_AUX_NA_PARAM(N2)
        BOOST_MPL_PP_DEF_PARAMS_TAIL(2, typename N, na)
        >
    struct AUX778076_OP_NAME
        : AUX778076_OP_N_CALLS(AUX778076_OP_ARITY, N)
    {
        BOOST_MPL_AUX_LAMBDA_SUPPORT(
              AUX778076_OP_ARITY
            , AUX778076_OP_NAME
            , ( BOOST_MPL_PP_PARAMS(AUX778076_OP_ARITY, N) )
            )
    };
    
    #define BOOST_PP_ITERATION_PARAMS_1 \
        (3,( BOOST_PP_DEC(AUX778076_OP_ARITY), 2, <boost/mpl/aux_/numeric_op.hpp> ))
    #include BOOST_PP_ITERATE()
    
    #   undef AUX778076_OP_N_CALLS
    #   undef AUX778076_OP_RIGHT_OPERAND
    
    #endif // AUX778076_OP_ARITY == 2
    
    #if !defined(BOOST_MPL_CFG_MSVC_ETI_BUG)
        : AUX778076_OP_IMPL_NAME<
              typename AUX778076_OP_TAG_NAME<N1>::type
            , typename AUX778076_OP_TAG_NAME<N2>::type
            >::template apply<N1,N2>::type
    #else
        : aux::msvc_eti_base< typename apply_wrap2<
              AUX778076_OP_IMPL_NAME<
                  typename AUX778076_OP_TAG_NAME<N1>::type
                , typename AUX778076_OP_TAG_NAME<N2>::type
                >
            , N1
            , N2
            >::type >::type
    #endif
    {
    #if AUX778076_OP_ARITY == 2
        BOOST_MPL_AUX_LAMBDA_SUPPORT(2, AUX778076_OP_NAME, (N1, N2))
    #else
        BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(
              AUX778076_OP_ARITY
            , AUX778076_OP_NAME
            , ( BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(2, N, na) )
            )
    #endif
    };
    
    BOOST_MPL_AUX_NA_SPEC2(2, AUX778076_OP_ARITY, AUX778076_OP_NAME)
    
    }}
    
    #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
    
    ///// iteration, depth == 1
    
    #elif BOOST_PP_ITERATION_DEPTH() == 1
    
    #   define i_ BOOST_PP_FRAME_ITERATION(1)
    
    template<
          BOOST_MPL_PP_PARAMS(i_, typename N)
        >
    struct AUX778076_OP_NAME<BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(i_, N, na)>
    #if i_ != 2
        : AUX778076_OP_N_CALLS(i_, N)
    {
        BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(
              AUX778076_OP_ARITY
            , AUX778076_OP_NAME
            , ( BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(i_, N, na) )
            )
    };
    #endif
    
    #   undef i_
    
    #endif // BOOST_PP_IS_ITERATING