#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.

// $Id: numeric_op.hpp 49267 2008-10-11 06:19:02Z agurtovoy $

// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $

// $Revision: 49267 $

#if !defined(BOOST_MPL_PREPROCESSING_MODE)

#   include <boost/mpl/numeric_cast.hpp>

#   include <boost/mpl/apply_wrap.hpp>

#   include <boost/mpl/if.hpp>

#   include <boost/mpl/tag.hpp>

#   include <boost/mpl/aux_/numeric_cast_utils.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/ext_params.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/inc.hpp>

#   include <boost/preprocessor/iterate.hpp>

#   include <boost/preprocessor/cat.hpp>

#if !defined(AUX778076_OP_ARITY)

#   define AUX778076_OP_ARITY BOOST_MPL_LIMIT_METAFUNCTION_ARITY

#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 {

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_ )

#else

    >

struct AUX778076_OP_IMPL_NAME

    : if_c<

          ( 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,Tag1>,Tag1,Tag2 >

        , aux::cast1st_impl< AUX778076_OP_IMPL_NAME<Tag2,Tag2>,Tag1,Tag2 >

        >::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, >= 1300)

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

#   if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)

#   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

#   else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION

/// forward declaration

template< 

      typename BOOST_MPL_AUX_NA_PARAM(N1)

    , typename BOOST_MPL_AUX_NA_PARAM(N2)

    >

struct BOOST_PP_CAT(AUX778076_OP_NAME,2);

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

#if BOOST_WORKAROUND(BOOST_MSVC, == 1300)

    : aux::msvc_eti_base< typename if_<

#else

    : if_<

#endif

          is_na<N3>

        , BOOST_PP_CAT(AUX778076_OP_NAME,2)<N1,N2>

        , AUX778076_OP_NAME<

              BOOST_PP_CAT(AUX778076_OP_NAME,2)<N1,N2>

            , BOOST_MPL_PP_EXT_PARAMS(3, BOOST_PP_INC(AUX778076_OP_ARITY), N)

            >

        >::type

#if BOOST_WORKAROUND(BOOST_MSVC, == 1300)

    >

#endif

{

    BOOST_MPL_AUX_LAMBDA_SUPPORT(

          AUX778076_OP_ARITY

        , AUX778076_OP_NAME

        , ( BOOST_MPL_PP_PARAMS(AUX778076_OP_ARITY, N) )

        )

};

template< 

      typename N1

    , typename N2

    >

struct BOOST_PP_CAT(AUX778076_OP_NAME,2)

#endif

#else // AUX778076_OP_ARITY == 2

template< 

      typename BOOST_MPL_AUX_NA_PARAM(N1)

    , typename BOOST_MPL_AUX_NA_PARAM(N2)

    >

struct AUX778076_OP_NAME

#endif

#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

#   if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)

    BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(

          AUX778076_OP_ARITY

        , AUX778076_OP_NAME

        , ( BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(2, N, na) )

        )

#   else

    BOOST_MPL_AUX_LAMBDA_SUPPORT(2, BOOST_PP_CAT(AUX778076_OP_NAME,2), (N1, N2))

#   endif

#else

    BOOST_MPL_AUX_LAMBDA_SUPPORT(2, AUX778076_OP_NAME, (N1, N2))

#endif

};

BOOST_MPL_AUX_NA_SPEC2(2, AUX778076_OP_ARITY, AUX778076_OP_NAME)

}}

#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS

///// iteration, depth == 1

// For gcc 4.4 compatability, we must include the

// BOOST_PP_ITERATION_DEPTH test inside an #else clause.

#else // BOOST_PP_IS_ITERATING

#if 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_ITERATION_DEPTH()

#endif // BOOST_PP_IS_ITERATING