blob: a6152107a2b85860cf28d2855a1ce506c6ad165b [file] [log] [blame]
// 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)
//
// Preprocessed version of "ndnboost/mpl/minus.hpp" header
// -- DO NOT modify by hand!
namespace ndnboost { namespace mpl {
template<
typename Tag1
, typename Tag2
>
struct minus_impl
: if_c<
( BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag1)
> BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag2)
)
, aux::cast2nd_impl< minus_impl< Tag1,Tag1 >,Tag1, Tag2 >
, aux::cast1st_impl< minus_impl< Tag2,Tag2 >,Tag1, Tag2 >
>::type
{
};
/// for Digital Mars C++/compilers with no CTPS/TTP support
template<> struct minus_impl< na,na >
{
template< typename U1, typename U2 > struct apply
{
typedef apply type;
BOOST_STATIC_CONSTANT(int, value = 0);
};
};
template<> struct minus_impl< na,integral_c_tag >
{
template< typename U1, typename U2 > struct apply
{
typedef apply type;
BOOST_STATIC_CONSTANT(int, value = 0);
};
};
template<> struct minus_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 minus_tag
{
typedef typename T::tag type;
};
/// forward declaration
template<
typename BOOST_MPL_AUX_NA_PARAM(N1)
, typename BOOST_MPL_AUX_NA_PARAM(N2)
>
struct minus2;
template<
typename BOOST_MPL_AUX_NA_PARAM(N1)
, typename BOOST_MPL_AUX_NA_PARAM(N2)
, typename N3 = na, typename N4 = na, typename N5 = na
>
struct minus
: if_<
is_na<N3>
, minus2< N1,N2 >
, minus<
minus2< N1,N2 >
, N3, N4, N5
>
>::type
{
BOOST_MPL_AUX_LAMBDA_SUPPORT(
5
, minus
, ( N1, N2, N3, N4, N5 )
)
};
template<
typename N1
, typename N2
>
struct minus2
: minus_impl<
typename minus_tag<N1>::type
, typename minus_tag<N2>::type
>::template apply< N1,N2 >::type
{
BOOST_MPL_AUX_LAMBDA_SUPPORT(2, minus2, (N1, N2))
};
BOOST_MPL_AUX_NA_SPEC2(2, 5, minus)
}}
namespace ndnboost { namespace mpl {
template<>
struct minus_impl< integral_c_tag,integral_c_tag >
{
template< typename N1, typename N2 > struct apply
: integral_c<
typename aux::largest_int<
typename N1::value_type
, typename N2::value_type
>::type
, ( BOOST_MPL_AUX_VALUE_WKND(N1)::value
- BOOST_MPL_AUX_VALUE_WKND(N2)::value
)
>
{
};
};
}}