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/*=============================================================================
Copyright (c) 2009-2010 Christopher Schmidt
Copyright (c) 2001-2011 Joel de Guzman
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)
This is an auto-generated file. Do not edit!
==============================================================================*/
namespace boost { namespace fusion
{
namespace detail
{
template<typename State, typename It, typename F>
struct reverse_fold_lvalue_state
: fusion::detail::result_of_with_decltype<
F(
typename add_reference<typename add_const<State>::type>::type,
typename fusion::result_of::deref<It>::type)
>
{};
template<typename Result,int N>
struct unrolled_reverse_fold
{
template<typename State3, typename It3, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static Result
call_3(State3 const& state3,It3 const& it3,F& f)
{
return unrolled_reverse_fold<
Result
, N-4
>::call(
f(state3,fusion::deref(it3)),
fusion::prior(it3),
f);
}
template<typename State2, typename It2, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static Result
call_2(State2 const& state2,It2 const& it2,F& f)
{
return call_3(
f(state2,fusion::deref(it2)),
fusion::prior(it2),
f);
}
template<typename State1, typename It1, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static Result
call_1(State1 const& state1,It1 const& it1,F& f)
{
return call_2(
f(state1,fusion::deref(it1)),
fusion::prior(it1),
f);
}
template<typename State, typename It0, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static Result
call(State const& state,It0 const& it0,F f)
{
return call_1(
f(state,fusion::deref(it0)),
fusion::prior(it0),
f);
}
};
template<typename Result>
struct unrolled_reverse_fold<Result,3>
{
template<typename State2, typename It2, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static Result
call_2(State2 const& state2,It2 const& it2,F& f)
{
return f(state2,fusion::deref(it2));
}
template<typename State1, typename It1, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static Result
call_1(State1 const& state1,It1 const& it1,F& f)
{
return call_2(
f(state1,fusion::deref(it1)),
fusion::prior(it1),
f);
}
template<typename State, typename It0, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static Result
call(State const& state,It0 const& it0,F f)
{
return call_1(
f(state,fusion::deref(it0)),
fusion::prior(it0),
f);
}
};
template<typename Result>
struct unrolled_reverse_fold<Result,2>
{
template<typename State1, typename It1, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static Result
call_1(State1 const& state1,It1 const& it1,F& f)
{
return f(state1,fusion::deref(it1));
}
template<typename State, typename It0, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static Result
call(State const& state,It0 const& it0,F f)
{
return call_1(
f(state,fusion::deref(it0)),
fusion::prior(it0),
f);
}
};
template<typename Result>
struct unrolled_reverse_fold<Result,1>
{
template<typename State, typename It0, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static Result
call(State const& state,It0 const& it0,F f)
{
return f(state,
fusion::deref(it0));
}
};
template<typename Result>
struct unrolled_reverse_fold<Result,0>
{
template<typename State, typename It0, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static Result
call(State const& state,It0 const&, F)
{
return static_cast<Result>(state);
}
};
template<typename StateRef, typename It0, typename F, int N>
struct result_of_unrolled_reverse_fold
{
typedef typename
reverse_fold_lvalue_state<
StateRef
, It0 const
, F
>::type
rest1;
typedef typename
result_of::prior<
It0 const
>::type
it1;
typedef typename
reverse_fold_lvalue_state<
rest1
, it1
, F
>::type
rest2;
typedef typename
result_of::prior<it1>::type
it2;
typedef typename
reverse_fold_lvalue_state<
rest2
, it2
, F
>::type
rest3;
typedef typename
result_of::prior<it2>::type
it3;
typedef typename
result_of_unrolled_reverse_fold<
typename reverse_fold_lvalue_state<
rest3
, it3
, F
>::type
, typename result_of::prior<
it3
>::type
, F
, N-4
>::type
type;
};
template<typename StateRef, typename It0, typename F>
struct result_of_unrolled_reverse_fold<
StateRef
, It0
, F
, 3
>
{
typedef typename
reverse_fold_lvalue_state<
StateRef
, It0 const
, F
>::type
rest1;
typedef typename
result_of::prior<
It0 const
>::type
it1;
typedef typename
reverse_fold_lvalue_state<
typename reverse_fold_lvalue_state<
rest1
, it1
, F
>::type
, typename result_of::prior<
it1 const
>::type const
, F
>::type
type;
};
template<typename StateRef, typename It0, typename F>
struct result_of_unrolled_reverse_fold<
StateRef
, It0
, F
, 2
>
: reverse_fold_lvalue_state<
typename reverse_fold_lvalue_state<
StateRef
, It0 const
, F
>::type
, typename result_of::prior<
It0 const
>::type const
, F
>
{};
template<typename StateRef, typename It0, typename F>
struct result_of_unrolled_reverse_fold<
StateRef
, It0
, F
, 1
>
: reverse_fold_lvalue_state<
StateRef
, It0 const
, F
>
{};
template<typename StateRef, typename It0, typename F>
struct result_of_unrolled_reverse_fold<
StateRef
, It0
, F
, 0
>
{
typedef StateRef type;
};
template<typename StateRef, typename It0, typename F, int SeqSize>
struct result_of_first_unrolledreverse_fold
{
typedef typename
result_of_unrolled_reverse_fold<
typename fusion::detail::result_of_with_decltype<
F(
StateRef,
typename fusion::result_of::deref< It0 const>::type
)
>::type
, typename result_of::prior<
It0 const
>::type
, F
, SeqSize-1
>::type
type;
};
template<int SeqSize, typename StateRef, typename Seq, typename F>
struct reverse_fold_impl
{
typedef typename
result_of_first_unrolledreverse_fold<
StateRef
, typename fusion::result_of::prior< typename result_of::end<Seq>::type >::type
, F
, SeqSize
>::type
type;
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static type
call(StateRef state, Seq& seq, F f)
{
typedef
unrolled_reverse_fold<
type
, SeqSize
>
unrolled_impl;
return unrolled_impl::call(
state,
fusion::prior( fusion::end(seq)),
f);
}
};
template<typename StateRef, typename Seq, typename F>
struct reverse_fold_impl<0,StateRef,Seq,F>
{
typedef StateRef type;
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static StateRef
call(StateRef state, Seq&, F)
{
return static_cast<StateRef>(state);
}
};
template<typename Seq, typename State, typename F, bool IsSegmented>
struct result_of_reverse_fold
: reverse_fold_impl<
result_of::size<Seq>::value
, typename add_reference<
typename add_const<State>::type
>::type
, Seq
, F
>
{};
}
namespace result_of
{
template<typename Seq, typename State, typename F>
struct reverse_fold
: detail::result_of_reverse_fold<
Seq
, State
, F
, traits::is_segmented<Seq>::type::value
>
{};
}
template<typename Seq, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::reverse_fold<
Seq
, State const
, F
>::type
reverse_fold(Seq& seq, State const& state, F f)
{
return result_of::reverse_fold<Seq,State const,F>::call(
state,
seq,
f);
}
template<typename Seq, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::reverse_fold<
Seq const
, State const
, F
>::type
reverse_fold(Seq const& seq, State const& state, F f)
{
return result_of::reverse_fold<Seq const,State const,F>::call(
state,
seq,
f);
}
template<typename Seq, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::reverse_fold<
Seq
, State const
, F
>::type
reverse_fold(Seq& seq, State& state, F f)
{
return result_of::reverse_fold<Seq,State,F>::call(
state,
seq,
f);
}
template<typename Seq, typename State, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::reverse_fold<
Seq const
, State const
, F
>::type
reverse_fold(Seq const& seq, State& state, F f)
{
return result_of::reverse_fold<Seq const,State,F>::call(
state,
seq,
f);
}
}}