316 lines
8.4 KiB
C++
316 lines
8.4 KiB
C++
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#if !defined(BOOST_PP_IS_ITERATING)
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///// header body
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// NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION!
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// Copyright Aleksey Gurtovoy 2000-2004
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/mpl for documentation.
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// $Id: numeric_op.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
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// $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
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// $Revision: 49267 $
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#if !defined(BOOST_MPL_PREPROCESSING_MODE)
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# include <boost/mpl/numeric_cast.hpp>
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# include <boost/mpl/apply_wrap.hpp>
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# include <boost/mpl/if.hpp>
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# include <boost/mpl/tag.hpp>
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# include <boost/mpl/aux_/numeric_cast_utils.hpp>
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# include <boost/mpl/aux_/na.hpp>
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# include <boost/mpl/aux_/na_spec.hpp>
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# include <boost/mpl/aux_/lambda_support.hpp>
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# include <boost/mpl/aux_/msvc_eti_base.hpp>
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# include <boost/mpl/aux_/value_wknd.hpp>
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# include <boost/mpl/aux_/config/eti.hpp>
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# include <boost/mpl/aux_/nttp_decl.hpp>
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#endif
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#include <boost/mpl/aux_/config/static_constant.hpp>
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#if defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
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|| defined(BOOST_MPL_PREPROCESSING_MODE)
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# include <boost/mpl/limits/arity.hpp>
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# include <boost/mpl/aux_/preprocessor/partial_spec_params.hpp>
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# include <boost/mpl/aux_/preprocessor/def_params_tail.hpp>
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# include <boost/mpl/aux_/preprocessor/repeat.hpp>
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# include <boost/mpl/aux_/preprocessor/ext_params.hpp>
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# include <boost/mpl/aux_/preprocessor/params.hpp>
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# include <boost/mpl/aux_/preprocessor/enum.hpp>
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# include <boost/mpl/aux_/preprocessor/add.hpp>
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# include <boost/mpl/aux_/preprocessor/sub.hpp>
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# include <boost/mpl/aux_/config/ctps.hpp>
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# include <boost/mpl/aux_/config/eti.hpp>
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# include <boost/mpl/aux_/config/msvc.hpp>
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# include <boost/mpl/aux_/config/workaround.hpp>
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# include <boost/preprocessor/dec.hpp>
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# include <boost/preprocessor/inc.hpp>
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# include <boost/preprocessor/iterate.hpp>
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# include <boost/preprocessor/cat.hpp>
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#if !defined(AUX778076_OP_ARITY)
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# define AUX778076_OP_ARITY BOOST_MPL_LIMIT_METAFUNCTION_ARITY
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#endif
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#if !defined(AUX778076_OP_IMPL_NAME)
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# define AUX778076_OP_IMPL_NAME BOOST_PP_CAT(AUX778076_OP_PREFIX,_impl)
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#endif
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#if !defined(AUX778076_OP_TAG_NAME)
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# define AUX778076_OP_TAG_NAME BOOST_PP_CAT(AUX778076_OP_PREFIX,_tag)
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#endif
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namespace boost { namespace mpl {
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template<
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typename Tag1
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, typename Tag2
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#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
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, BOOST_MPL_AUX_NTTP_DECL(int, tag1_) = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag1)::value
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, BOOST_MPL_AUX_NTTP_DECL(int, tag2_) = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag2)::value
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>
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struct AUX778076_OP_IMPL_NAME
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: if_c<
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( tag1_ > tag2_ )
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#else
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>
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struct AUX778076_OP_IMPL_NAME
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: if_c<
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( BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag1)
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> BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag2)
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)
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#endif
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, aux::cast2nd_impl< AUX778076_OP_IMPL_NAME<Tag1,Tag1>,Tag1,Tag2 >
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, aux::cast1st_impl< AUX778076_OP_IMPL_NAME<Tag2,Tag2>,Tag1,Tag2 >
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>::type
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{
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};
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/// for Digital Mars C++/compilers with no CTPS/TTP support
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template<> struct AUX778076_OP_IMPL_NAME<na,na>
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{
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template< typename U1, typename U2 > struct apply
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{
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typedef apply type;
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BOOST_STATIC_CONSTANT(int, value = 0);
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};
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};
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#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
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template< typename Tag > struct AUX778076_OP_IMPL_NAME<na,Tag>
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{
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template< typename U1, typename U2 > struct apply
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{
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typedef apply type;
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BOOST_STATIC_CONSTANT(int, value = 0);
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};
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};
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template< typename Tag > struct AUX778076_OP_IMPL_NAME<Tag,na>
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{
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template< typename U1, typename U2 > struct apply
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{
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typedef apply type;
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BOOST_STATIC_CONSTANT(int, value = 0);
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};
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};
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#else
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template<> struct AUX778076_OP_IMPL_NAME<na,integral_c_tag>
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{
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template< typename U1, typename U2 > struct apply
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{
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typedef apply type;
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BOOST_STATIC_CONSTANT(int, value = 0);
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};
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};
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template<> struct AUX778076_OP_IMPL_NAME<integral_c_tag,na>
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{
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template< typename U1, typename U2 > struct apply
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{
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typedef apply type;
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BOOST_STATIC_CONSTANT(int, value = 0);
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};
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};
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#endif
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#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
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&& BOOST_WORKAROUND(BOOST_MSVC, >= 1300)
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template< typename T > struct AUX778076_OP_TAG_NAME
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: tag<T,na>
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{
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};
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#else
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template< typename T > struct AUX778076_OP_TAG_NAME
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{
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typedef typename T::tag type;
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};
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#endif
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#if AUX778076_OP_ARITY != 2
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# if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
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# define AUX778076_OP_RIGHT_OPERAND(unused, i, N) , BOOST_PP_CAT(N, BOOST_MPL_PP_ADD(i, 2))>
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# define AUX778076_OP_N_CALLS(i, N) \
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BOOST_MPL_PP_REPEAT( BOOST_PP_DEC(i), BOOST_MPL_PP_REPEAT_IDENTITY_FUNC, AUX778076_OP_NAME< ) \
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N1 BOOST_MPL_PP_REPEAT( BOOST_MPL_PP_SUB(i, 1), AUX778076_OP_RIGHT_OPERAND, N ) \
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/**/
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template<
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typename BOOST_MPL_AUX_NA_PARAM(N1)
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, typename BOOST_MPL_AUX_NA_PARAM(N2)
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BOOST_MPL_PP_DEF_PARAMS_TAIL(2, typename N, na)
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>
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struct AUX778076_OP_NAME
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: AUX778076_OP_N_CALLS(AUX778076_OP_ARITY, N)
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{
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BOOST_MPL_AUX_LAMBDA_SUPPORT(
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AUX778076_OP_ARITY
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, AUX778076_OP_NAME
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, ( BOOST_MPL_PP_PARAMS(AUX778076_OP_ARITY, N) )
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)
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};
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#define BOOST_PP_ITERATION_PARAMS_1 \
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(3,( BOOST_PP_DEC(AUX778076_OP_ARITY), 2, <boost/mpl/aux_/numeric_op.hpp> ))
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#include BOOST_PP_ITERATE()
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# undef AUX778076_OP_N_CALLS
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# undef AUX778076_OP_RIGHT_OPERAND
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# else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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/// forward declaration
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template<
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typename BOOST_MPL_AUX_NA_PARAM(N1)
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, typename BOOST_MPL_AUX_NA_PARAM(N2)
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>
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struct BOOST_PP_CAT(AUX778076_OP_NAME,2);
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template<
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typename BOOST_MPL_AUX_NA_PARAM(N1)
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, typename BOOST_MPL_AUX_NA_PARAM(N2)
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BOOST_MPL_PP_DEF_PARAMS_TAIL(2, typename N, na)
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>
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struct AUX778076_OP_NAME
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#if BOOST_WORKAROUND(BOOST_MSVC, == 1300)
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: aux::msvc_eti_base< typename if_<
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#else
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: if_<
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#endif
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is_na<N3>
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, BOOST_PP_CAT(AUX778076_OP_NAME,2)<N1,N2>
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, AUX778076_OP_NAME<
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BOOST_PP_CAT(AUX778076_OP_NAME,2)<N1,N2>
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, BOOST_MPL_PP_EXT_PARAMS(3, BOOST_PP_INC(AUX778076_OP_ARITY), N)
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>
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>::type
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#if BOOST_WORKAROUND(BOOST_MSVC, == 1300)
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>
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#endif
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{
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BOOST_MPL_AUX_LAMBDA_SUPPORT(
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AUX778076_OP_ARITY
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, AUX778076_OP_NAME
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, ( BOOST_MPL_PP_PARAMS(AUX778076_OP_ARITY, N) )
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)
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};
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template<
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typename N1
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, typename N2
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>
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struct BOOST_PP_CAT(AUX778076_OP_NAME,2)
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#endif
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#else // AUX778076_OP_ARITY == 2
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template<
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typename BOOST_MPL_AUX_NA_PARAM(N1)
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, typename BOOST_MPL_AUX_NA_PARAM(N2)
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>
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struct AUX778076_OP_NAME
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#endif
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#if !defined(BOOST_MPL_CFG_MSVC_ETI_BUG)
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: AUX778076_OP_IMPL_NAME<
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typename AUX778076_OP_TAG_NAME<N1>::type
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, typename AUX778076_OP_TAG_NAME<N2>::type
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>::template apply<N1,N2>::type
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#else
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: aux::msvc_eti_base< typename apply_wrap2<
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AUX778076_OP_IMPL_NAME<
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typename AUX778076_OP_TAG_NAME<N1>::type
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, typename AUX778076_OP_TAG_NAME<N2>::type
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>
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, N1
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, N2
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>::type >::type
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#endif
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{
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#if AUX778076_OP_ARITY != 2
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# if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
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BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(
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AUX778076_OP_ARITY
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, AUX778076_OP_NAME
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, ( BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(2, N, na) )
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)
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# else
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BOOST_MPL_AUX_LAMBDA_SUPPORT(2, BOOST_PP_CAT(AUX778076_OP_NAME,2), (N1, N2))
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# endif
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#else
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BOOST_MPL_AUX_LAMBDA_SUPPORT(2, AUX778076_OP_NAME, (N1, N2))
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#endif
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};
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BOOST_MPL_AUX_NA_SPEC2(2, AUX778076_OP_ARITY, AUX778076_OP_NAME)
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}}
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#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
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///// iteration, depth == 1
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// For gcc 4.4 compatability, we must include the
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// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
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#else // BOOST_PP_IS_ITERATING
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#if BOOST_PP_ITERATION_DEPTH() == 1
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# define i_ BOOST_PP_FRAME_ITERATION(1)
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template<
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BOOST_MPL_PP_PARAMS(i_, typename N)
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>
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struct AUX778076_OP_NAME<BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(i_, N, na)>
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#if i_ != 2
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: AUX778076_OP_N_CALLS(i_, N)
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{
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BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(
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AUX778076_OP_ARITY
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, AUX778076_OP_NAME
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, ( BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(i_, N, na) )
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)
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};
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#endif
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# undef i_
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#endif // BOOST_PP_ITERATION_DEPTH()
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#endif // BOOST_PP_IS_ITERATING
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