ext-boost/boost/mpl/aux_/preprocessed/msvc70/shift_right.hpp

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// Copyright Aleksey Gurtovoy 2000-2004
// Copyright Jaap Suter 2003
//
// 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)
//
// Preprocessed version of "boost/mpl/shift_right.hpp" header
// -- DO NOT modify by hand!
namespace boost { namespace mpl {
template<
typename Tag1
, typename Tag2
, 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 shift_right_impl
: if_c<
( tag1_ > tag2_ )
, aux::cast2nd_impl< shift_right_impl< Tag1,Tag1 >,Tag1, Tag2 >
, aux::cast1st_impl< shift_right_impl< Tag2,Tag2 >,Tag1, Tag2 >
>::type
{
};
/// for Digital Mars C++/compilers with no CTPS/TTP support
template<> struct shift_right_impl< na,na >
{
template< typename U1, typename U2 > struct apply
{
typedef apply type;
BOOST_STATIC_CONSTANT(int, value = 0);
};
};
template<> struct shift_right_impl< na,integral_c_tag >
{
template< typename U1, typename U2 > struct apply
{
typedef apply type;
BOOST_STATIC_CONSTANT(int, value = 0);
};
};
template<> struct shift_right_impl< integral_c_tag,na >
{
template< typename U1, typename U2 > struct apply
{
typedef apply type;
BOOST_STATIC_CONSTANT(int, value = 0);
};
};
template< typename T > struct shift_right_tag
: tag< T,na >
{
};
template<
typename BOOST_MPL_AUX_NA_PARAM(N1)
, typename BOOST_MPL_AUX_NA_PARAM(N2)
>
struct shift_right
: aux::msvc_eti_base< typename apply_wrap2<
shift_right_impl<
typename shift_right_tag<N1>::type
, typename shift_right_tag<N2>::type
>
, N1
, N2
>::type >::type
{
BOOST_MPL_AUX_LAMBDA_SUPPORT(2, shift_right, (N1, N2))
};
BOOST_MPL_AUX_NA_SPEC2(2, 2, shift_right)
}}
namespace boost { namespace mpl {
namespace aux {
template< typename T, typename Shift, T n, Shift s >
struct shift_right_wknd
{
BOOST_STATIC_CONSTANT(T, value = (n >> s));
typedef integral_c< T,value > type;
};
}
template<>
struct shift_right_impl< integral_c_tag,integral_c_tag >
{
template< typename N, typename S > struct apply
: aux::shift_right_wknd<
typename N::value_type
, typename S::value_type
, N::value
, S::value
>::type
{
};
};
}}