Chris@16: 
Chris@16: #if !defined(BOOST_PP_IS_ITERATING)
Chris@16: 
Chris@16: ///// header body
Chris@16: 
Chris@16: // NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION!
Chris@16: 
Chris@16: // Copyright Aleksey Gurtovoy 2000-2004
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. 
Chris@16: // (See accompanying file LICENSE_1_0.txt or copy at 
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // See http://www.boost.org/libs/mpl for documentation.
Chris@16: 
Chris@101: // $Id$
Chris@101: // $Date$
Chris@101: // $Revision$
Chris@16: 
Chris@16: #if !defined(BOOST_MPL_PREPROCESSING_MODE)
Chris@16: #   include <boost/mpl/numeric_cast.hpp>
Chris@16: #   include <boost/mpl/apply_wrap.hpp>
Chris@16: #   include <boost/mpl/if.hpp>
Chris@16: #   include <boost/mpl/tag.hpp>
Chris@16: #   include <boost/mpl/aux_/numeric_cast_utils.hpp>
Chris@16: #   include <boost/mpl/aux_/na.hpp>
Chris@16: #   include <boost/mpl/aux_/na_spec.hpp>
Chris@16: #   include <boost/mpl/aux_/lambda_support.hpp>
Chris@16: #   include <boost/mpl/aux_/msvc_eti_base.hpp>
Chris@16: #   include <boost/mpl/aux_/value_wknd.hpp>
Chris@16: #   include <boost/mpl/aux_/config/eti.hpp>
Chris@16: #   include <boost/mpl/aux_/nttp_decl.hpp>
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/mpl/aux_/config/static_constant.hpp>
Chris@16: 
Chris@16: #if defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
Chris@16:     || defined(BOOST_MPL_PREPROCESSING_MODE)
Chris@16: 
Chris@16: #   include <boost/mpl/limits/arity.hpp>
Chris@16: #   include <boost/mpl/aux_/preprocessor/partial_spec_params.hpp>
Chris@16: #   include <boost/mpl/aux_/preprocessor/def_params_tail.hpp>
Chris@16: #   include <boost/mpl/aux_/preprocessor/repeat.hpp>
Chris@16: #   include <boost/mpl/aux_/preprocessor/ext_params.hpp>
Chris@16: #   include <boost/mpl/aux_/preprocessor/params.hpp>
Chris@16: #   include <boost/mpl/aux_/preprocessor/enum.hpp>
Chris@16: #   include <boost/mpl/aux_/preprocessor/add.hpp>
Chris@16: #   include <boost/mpl/aux_/preprocessor/sub.hpp>
Chris@16: #   include <boost/mpl/aux_/config/ctps.hpp>
Chris@16: #   include <boost/mpl/aux_/config/eti.hpp>
Chris@16: #   include <boost/mpl/aux_/config/msvc.hpp>
Chris@16: #   include <boost/mpl/aux_/config/workaround.hpp>
Chris@16: 
Chris@16: #   include <boost/preprocessor/dec.hpp>
Chris@16: #   include <boost/preprocessor/inc.hpp>
Chris@16: #   include <boost/preprocessor/iterate.hpp>
Chris@16: #   include <boost/preprocessor/cat.hpp>
Chris@16: 
Chris@16: 
Chris@16: #if !defined(AUX778076_OP_ARITY)
Chris@16: #   define AUX778076_OP_ARITY BOOST_MPL_LIMIT_METAFUNCTION_ARITY
Chris@16: #endif
Chris@16: 
Chris@16: #if !defined(AUX778076_OP_IMPL_NAME)
Chris@16: #   define AUX778076_OP_IMPL_NAME BOOST_PP_CAT(AUX778076_OP_PREFIX,_impl)
Chris@16: #endif
Chris@16: 
Chris@16: #if !defined(AUX778076_OP_TAG_NAME)
Chris@16: #   define AUX778076_OP_TAG_NAME BOOST_PP_CAT(AUX778076_OP_PREFIX,_tag)
Chris@16: #endif
Chris@16: 
Chris@16: namespace boost { namespace mpl {
Chris@16: 
Chris@16: template< 
Chris@16:       typename Tag1
Chris@16:     , typename Tag2
Chris@16: #if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
Chris@16:     , BOOST_MPL_AUX_NTTP_DECL(int, tag1_) = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag1)::value 
Chris@16:     , BOOST_MPL_AUX_NTTP_DECL(int, tag2_) = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag2)::value 
Chris@16:     >
Chris@16: struct AUX778076_OP_IMPL_NAME
Chris@16:     : if_c<
Chris@16:           ( tag1_ > tag2_ )
Chris@16: #else
Chris@16:     >
Chris@16: struct AUX778076_OP_IMPL_NAME
Chris@16:     : if_c<
Chris@16:           ( BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag1)
Chris@16:               > BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag2)
Chris@16:             )
Chris@16: #endif
Chris@16:         , aux::cast2nd_impl< AUX778076_OP_IMPL_NAME<Tag1,Tag1>,Tag1,Tag2 >
Chris@16:         , aux::cast1st_impl< AUX778076_OP_IMPL_NAME<Tag2,Tag2>,Tag1,Tag2 >
Chris@16:         >::type
Chris@16: {
Chris@16: };
Chris@16: 
Chris@16: /// for Digital Mars C++/compilers with no CTPS/TTP support
Chris@16: template<> struct AUX778076_OP_IMPL_NAME<na,na>
Chris@16: {
Chris@16:     template< typename U1, typename U2 > struct apply 
Chris@16:     {
Chris@16:         typedef apply type;
Chris@16:         BOOST_STATIC_CONSTANT(int, value = 0);
Chris@16:     };
Chris@16: };
Chris@16: 
Chris@16: #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
Chris@16: template< typename Tag > struct AUX778076_OP_IMPL_NAME<na,Tag>
Chris@16: {
Chris@16:     template< typename U1, typename U2 > struct apply 
Chris@16:     {
Chris@16:         typedef apply type;
Chris@16:         BOOST_STATIC_CONSTANT(int, value = 0);
Chris@16:     };
Chris@16: };
Chris@16: 
Chris@16: template< typename Tag > struct AUX778076_OP_IMPL_NAME<Tag,na>
Chris@16: {
Chris@16:     template< typename U1, typename U2 > struct apply 
Chris@16:     {
Chris@16:         typedef apply type;
Chris@16:         BOOST_STATIC_CONSTANT(int, value = 0);
Chris@16:     };
Chris@16: };
Chris@16: #else
Chris@16: template<> struct AUX778076_OP_IMPL_NAME<na,integral_c_tag>
Chris@16: {
Chris@16:     template< typename U1, typename U2 > struct apply 
Chris@16:     {
Chris@16:         typedef apply type;
Chris@16:         BOOST_STATIC_CONSTANT(int, value = 0);
Chris@16:     };
Chris@16: };
Chris@16: 
Chris@16: template<> struct AUX778076_OP_IMPL_NAME<integral_c_tag,na>
Chris@16: {
Chris@16:     template< typename U1, typename U2 > struct apply 
Chris@16:     {
Chris@16:         typedef apply type;
Chris@16:         BOOST_STATIC_CONSTANT(int, value = 0);
Chris@16:     };
Chris@16: };
Chris@16: #endif
Chris@16: 
Chris@16: 
Chris@16: #if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
Chris@16:     && BOOST_WORKAROUND(BOOST_MSVC, >= 1300)
Chris@16: template< typename T > struct AUX778076_OP_TAG_NAME
Chris@16:     : tag<T,na>
Chris@16: {
Chris@16: };
Chris@16: #else
Chris@16: template< typename T > struct AUX778076_OP_TAG_NAME
Chris@16: {
Chris@16:     typedef typename T::tag type;
Chris@16: };
Chris@16: #endif
Chris@16: 
Chris@16: 
Chris@16: #if AUX778076_OP_ARITY != 2
Chris@16: 
Chris@16: #   if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
Chris@16: 
Chris@16: #   define AUX778076_OP_RIGHT_OPERAND(unused, i, N) , BOOST_PP_CAT(N, BOOST_MPL_PP_ADD(i, 2))>
Chris@16: #   define AUX778076_OP_N_CALLS(i, N) \
Chris@16:     BOOST_MPL_PP_REPEAT( BOOST_PP_DEC(i), BOOST_MPL_PP_REPEAT_IDENTITY_FUNC, AUX778076_OP_NAME< ) \
Chris@16:     N1 BOOST_MPL_PP_REPEAT( BOOST_MPL_PP_SUB(i, 1), AUX778076_OP_RIGHT_OPERAND, N ) \
Chris@16: /**/
Chris@16: 
Chris@16: template<
Chris@16:       typename BOOST_MPL_AUX_NA_PARAM(N1)
Chris@16:     , typename BOOST_MPL_AUX_NA_PARAM(N2)
Chris@16:     BOOST_MPL_PP_DEF_PARAMS_TAIL(2, typename N, na)
Chris@16:     >
Chris@16: struct AUX778076_OP_NAME
Chris@16:     : AUX778076_OP_N_CALLS(AUX778076_OP_ARITY, N)
Chris@16: {
Chris@16:     BOOST_MPL_AUX_LAMBDA_SUPPORT(
Chris@16:           AUX778076_OP_ARITY
Chris@16:         , AUX778076_OP_NAME
Chris@16:         , ( BOOST_MPL_PP_PARAMS(AUX778076_OP_ARITY, N) )
Chris@16:         )
Chris@16: };
Chris@16: 
Chris@16: #define BOOST_PP_ITERATION_PARAMS_1 \
Chris@16:     (3,( BOOST_PP_DEC(AUX778076_OP_ARITY), 2, <boost/mpl/aux_/numeric_op.hpp> ))
Chris@16: #include BOOST_PP_ITERATE()
Chris@16: 
Chris@16: #   undef AUX778076_OP_N_CALLS
Chris@16: #   undef AUX778076_OP_RIGHT_OPERAND
Chris@16: 
Chris@16: #   else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
Chris@16: 
Chris@16: /// forward declaration
Chris@16: template< 
Chris@16:       typename BOOST_MPL_AUX_NA_PARAM(N1)
Chris@16:     , typename BOOST_MPL_AUX_NA_PARAM(N2)
Chris@16:     >
Chris@16: struct BOOST_PP_CAT(AUX778076_OP_NAME,2);
Chris@16: 
Chris@16: template<
Chris@16:       typename BOOST_MPL_AUX_NA_PARAM(N1)
Chris@16:     , typename BOOST_MPL_AUX_NA_PARAM(N2)
Chris@16:     BOOST_MPL_PP_DEF_PARAMS_TAIL(2, typename N, na)
Chris@16:     >
Chris@16: struct AUX778076_OP_NAME
Chris@16: #if BOOST_WORKAROUND(BOOST_MSVC, == 1300)
Chris@16:     : aux::msvc_eti_base< typename if_<
Chris@16: #else
Chris@16:     : if_<
Chris@16: #endif
Chris@16:           is_na<N3>
Chris@16:         , BOOST_PP_CAT(AUX778076_OP_NAME,2)<N1,N2>
Chris@16:         , AUX778076_OP_NAME<
Chris@16:               BOOST_PP_CAT(AUX778076_OP_NAME,2)<N1,N2>
Chris@16:             , BOOST_MPL_PP_EXT_PARAMS(3, BOOST_PP_INC(AUX778076_OP_ARITY), N)
Chris@16:             >
Chris@16:         >::type
Chris@16: #if BOOST_WORKAROUND(BOOST_MSVC, == 1300)
Chris@16:     >
Chris@16: #endif
Chris@16: {
Chris@16:     BOOST_MPL_AUX_LAMBDA_SUPPORT(
Chris@16:           AUX778076_OP_ARITY
Chris@16:         , AUX778076_OP_NAME
Chris@16:         , ( BOOST_MPL_PP_PARAMS(AUX778076_OP_ARITY, N) )
Chris@16:         )
Chris@16: };
Chris@16: 
Chris@16: template< 
Chris@16:       typename N1
Chris@16:     , typename N2
Chris@16:     >
Chris@16: struct BOOST_PP_CAT(AUX778076_OP_NAME,2)
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@16: #else // AUX778076_OP_ARITY == 2
Chris@16: 
Chris@16: template< 
Chris@16:       typename BOOST_MPL_AUX_NA_PARAM(N1)
Chris@16:     , typename BOOST_MPL_AUX_NA_PARAM(N2)
Chris@16:     >
Chris@16: struct AUX778076_OP_NAME
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@16: #if !defined(BOOST_MPL_CFG_MSVC_ETI_BUG)
Chris@16:     : AUX778076_OP_IMPL_NAME<
Chris@16:           typename AUX778076_OP_TAG_NAME<N1>::type
Chris@16:         , typename AUX778076_OP_TAG_NAME<N2>::type
Chris@16:         >::template apply<N1,N2>::type
Chris@16: #else
Chris@16:     : aux::msvc_eti_base< typename apply_wrap2<
Chris@16:           AUX778076_OP_IMPL_NAME<
Chris@16:               typename AUX778076_OP_TAG_NAME<N1>::type
Chris@16:             , typename AUX778076_OP_TAG_NAME<N2>::type
Chris@16:             >
Chris@16:         , N1
Chris@16:         , N2
Chris@16:         >::type >::type
Chris@16: #endif
Chris@16: {
Chris@16: #if AUX778076_OP_ARITY != 2
Chris@16: 
Chris@16: #   if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
Chris@16:     BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(
Chris@16:           AUX778076_OP_ARITY
Chris@16:         , AUX778076_OP_NAME
Chris@16:         , ( BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(2, N, na) )
Chris@16:         )
Chris@16: #   else
Chris@16:     BOOST_MPL_AUX_LAMBDA_SUPPORT(2, BOOST_PP_CAT(AUX778076_OP_NAME,2), (N1, N2))
Chris@16: #   endif
Chris@16: 
Chris@16: #else
Chris@16:     BOOST_MPL_AUX_LAMBDA_SUPPORT(2, AUX778076_OP_NAME, (N1, N2))
Chris@16: #endif
Chris@16: };
Chris@16: 
Chris@16: BOOST_MPL_AUX_NA_SPEC2(2, AUX778076_OP_ARITY, AUX778076_OP_NAME)
Chris@16: 
Chris@16: }}
Chris@16: 
Chris@16: #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
Chris@16: 
Chris@16: ///// iteration, depth == 1
Chris@16: 
Chris@16: // For gcc 4.4 compatability, we must include the
Chris@16: // BOOST_PP_ITERATION_DEPTH test inside an #else clause.
Chris@16: #else // BOOST_PP_IS_ITERATING
Chris@16: #if BOOST_PP_ITERATION_DEPTH() == 1
Chris@16: 
Chris@16: #   define i_ BOOST_PP_FRAME_ITERATION(1)
Chris@16: 
Chris@16: template<
Chris@16:       BOOST_MPL_PP_PARAMS(i_, typename N)
Chris@16:     >
Chris@16: struct AUX778076_OP_NAME<BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(i_, N, na)>
Chris@16: #if i_ != 2
Chris@16:     : AUX778076_OP_N_CALLS(i_, N)
Chris@16: {
Chris@16:     BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(
Chris@16:           AUX778076_OP_ARITY
Chris@16:         , AUX778076_OP_NAME
Chris@16:         , ( BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(i_, N, na) )
Chris@16:         )
Chris@16: };
Chris@16: #endif
Chris@16: 
Chris@16: #   undef i_
Chris@16: 
Chris@16: #endif // BOOST_PP_ITERATION_DEPTH()
Chris@16: #endif // BOOST_PP_IS_ITERATING