115 lines
2.5 KiB
C++
115 lines
2.5 KiB
C++
|
|
// 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_left.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_left_impl
|
|
: if_c<
|
|
( tag1_ > tag2_ )
|
|
, aux::cast2nd_impl< shift_left_impl< Tag1,Tag1 >,Tag1, Tag2 >
|
|
, aux::cast1st_impl< shift_left_impl< Tag2,Tag2 >,Tag1, Tag2 >
|
|
>::type
|
|
{
|
|
};
|
|
|
|
/// for Digital Mars C++/compilers with no CTPS/TTP support
|
|
template<> struct shift_left_impl< na,na >
|
|
{
|
|
template< typename U1, typename U2 > struct apply
|
|
{
|
|
typedef apply type;
|
|
BOOST_STATIC_CONSTANT(int, value = 0);
|
|
};
|
|
};
|
|
|
|
template<> struct shift_left_impl< na,integral_c_tag >
|
|
{
|
|
template< typename U1, typename U2 > struct apply
|
|
{
|
|
typedef apply type;
|
|
BOOST_STATIC_CONSTANT(int, value = 0);
|
|
};
|
|
};
|
|
|
|
template<> struct shift_left_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_left_tag
|
|
{
|
|
typedef typename T::tag type;
|
|
};
|
|
|
|
template<
|
|
typename BOOST_MPL_AUX_NA_PARAM(N1)
|
|
, typename BOOST_MPL_AUX_NA_PARAM(N2)
|
|
>
|
|
struct shift_left
|
|
: aux::msvc_eti_base< typename apply_wrap2<
|
|
shift_left_impl<
|
|
typename shift_left_tag<N1>::type
|
|
, typename shift_left_tag<N2>::type
|
|
>
|
|
, N1
|
|
, N2
|
|
>::type >::type
|
|
|
|
{
|
|
BOOST_MPL_AUX_LAMBDA_SUPPORT(2, shift_left, (N1, N2))
|
|
|
|
};
|
|
|
|
BOOST_MPL_AUX_NA_SPEC2(2, 2, shift_left)
|
|
|
|
}}
|
|
|
|
namespace boost { namespace mpl {
|
|
|
|
namespace aux {
|
|
template< typename T, typename Shift, T n, Shift s >
|
|
struct shift_left_wknd
|
|
{
|
|
BOOST_STATIC_CONSTANT(T, value = (n << s));
|
|
typedef integral_c< T,value > type;
|
|
};
|
|
|
|
}
|
|
|
|
template<>
|
|
struct shift_left_impl< integral_c_tag,integral_c_tag >
|
|
{
|
|
template< typename N, typename S > struct apply
|
|
: aux::shift_left_wknd<
|
|
typename N::value_type
|
|
, typename S::value_type
|
|
, N::value
|
|
, S::value
|
|
>::type
|
|
|
|
{
|
|
};
|
|
};
|
|
|
|
}}
|