| |
| // 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: shift_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/integral_c.hpp> |
| # include <boost/mpl/aux_/value_wknd.hpp> |
| #endif |
| |
| #if !defined(AUX778076_OP_PREFIX) |
| # define AUX778076_OP_PREFIX AUX778076_OP_NAME |
| #endif |
| |
| #define AUX778076_OP_ARITY 2 |
| |
| #include <boost/mpl/aux_/numeric_op.hpp> |
| #include <boost/mpl/aux_/config/static_constant.hpp> |
| #include <boost/mpl/aux_/config/use_preprocessed.hpp> |
| |
| #if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \ |
| && !defined(BOOST_MPL_PREPROCESSING_MODE) |
| |
| # define BOOST_MPL_PREPROCESSED_HEADER AUX778076_OP_PREFIX.hpp |
| # include <boost/mpl/aux_/include_preprocessed.hpp> |
| |
| #else |
| |
| # include <boost/mpl/aux_/config/integral.hpp> |
| # include <boost/preprocessor/cat.hpp> |
| |
| namespace boost { namespace mpl { |
| |
| #if defined(BOOST_MPL_CFG_NO_NESTED_VALUE_ARITHMETIC) |
| namespace aux { |
| template< typename T, typename Shift, T n, Shift s > |
| struct BOOST_PP_CAT(AUX778076_OP_PREFIX,_wknd) |
| { |
| BOOST_STATIC_CONSTANT(T, value = (n AUX778076_OP_TOKEN s)); |
| typedef integral_c<T,value> type; |
| }; |
| } |
| #endif |
| |
| template<> |
| struct AUX778076_OP_IMPL_NAME<integral_c_tag,integral_c_tag> |
| { |
| template< typename N, typename S > struct apply |
| #if !defined(BOOST_MPL_CFG_NO_NESTED_VALUE_ARITHMETIC) |
| : integral_c< |
| typename N::value_type |
| , ( BOOST_MPL_AUX_VALUE_WKND(N)::value |
| AUX778076_OP_TOKEN BOOST_MPL_AUX_VALUE_WKND(S)::value |
| ) |
| > |
| #else |
| : aux::BOOST_PP_CAT(AUX778076_OP_PREFIX,_wknd)< |
| typename N::value_type |
| , typename S::value_type |
| , N::value |
| , S::value |
| >::type |
| #endif |
| { |
| }; |
| }; |
| |
| }} |
| |
| #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS |
| |
| #undef AUX778076_OP_TAG_NAME |
| #undef AUX778076_OP_IMPL_NAME |
| #undef AUX778076_OP_ARITY |
| #undef AUX778076_OP_PREFIX |
| #undef AUX778076_OP_NAME |
| #undef AUX778076_OP_TOKEN |