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/*=============================================================================
Copyright (c) 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 iter_fold_lvalue_state
: boost::result_of<
F(
typename add_reference<typename add_const<State>::type>::type,
It&)
>
{};
template<typename Result,int N>
struct unrolled_iter_fold
{
template<typename State, typename It0, typename F>
BOOST_FUSION_GPU_ENABLED
static Result
call(State const& state,It0 const& it0,F f)
{
typedef typename
result_of::next<
It0 const
>::type
It1;
It1 it1 = fusion::next(it0);
typedef typename
result_of::next<
It1
>::type
It2;
It2 it2 = fusion::next(it1);
typedef typename
result_of::next<
It2
>::type
It3;
It3 it3 = fusion::next(it2);
typedef typename iter_fold_lvalue_state<State,It0,F>::type State1;
State1 const state1=f(state,it0);
typedef typename iter_fold_lvalue_state<State1,It1,F>::type State2;
State2 const state2=f(state1,it1);
typedef typename iter_fold_lvalue_state<State2,It2,F>::type State3;
State3 const state3=f(state2,it2);
return unrolled_iter_fold<
Result
, N-4
>::call(
f(state3,it3),
fusion::next(it3),
f);
}
};
template<typename Result>
struct unrolled_iter_fold<Result,3>
{
template<typename State, typename It0, typename F>
BOOST_FUSION_GPU_ENABLED
static Result
call(State const& state,It0 const& it0,F f)
{
typedef typename
result_of::next<
It0 const
>::type
It1;
It1 it1 = fusion::next(it0);
typedef typename
result_of::next<
It1
>::type
It2;
It2 it2 = fusion::next(it1);
typedef typename iter_fold_lvalue_state<State,It0,F>::type State1;
State1 const state1=f(state,it0);
typedef typename iter_fold_lvalue_state<State1,It1,F>::type State2;
State2 const state2=f(state1,it1);
return f(state2,it2);
}
};
template<typename Result>
struct unrolled_iter_fold<Result,2>
{
template<typename State, typename It0, typename F>
BOOST_FUSION_GPU_ENABLED
static Result
call(State const& state,It0 const& it0,F f)
{
typedef typename iter_fold_lvalue_state<State,It0,F>::type State1;
State1 const state1=f(state,it0);
return f(
state1,
fusion::next(it0));
}
};
template<typename Result>
struct unrolled_iter_fold<Result,1>
{
template<typename State, typename It0, typename F>
BOOST_FUSION_GPU_ENABLED
static Result
call(State const& state,It0 const& it0,F f)
{
return f(state,
it0);
}
};
template<typename Result>
struct unrolled_iter_fold<Result,0>
{
template<typename State, typename It0, typename F>
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_iter_fold
{
typedef typename
iter_fold_lvalue_state<
StateRef
, It0 const
, F
>::type
rest1;
typedef typename
result_of::next<
It0 const
>::type
it1;
typedef typename
iter_fold_lvalue_state<
rest1
, it1
, F
>::type
rest2;
typedef typename
result_of::next<it1>::type
it2;
typedef typename
iter_fold_lvalue_state<
rest2
, it2
, F
>::type
rest3;
typedef typename
result_of::next<it2>::type
it3;
typedef typename
result_of_unrolled_iter_fold<
typename iter_fold_lvalue_state<
rest3
, it3
, F
>::type
, typename result_of::next<
it3
>::type
, F
, N-4
>::type
type;
};
template<typename StateRef, typename It0, typename F>
struct result_of_unrolled_iter_fold<
StateRef
, It0
, F
, 3
>
{
typedef typename
iter_fold_lvalue_state<
StateRef
, It0 const
, F
>::type
rest1;
typedef typename
result_of::next<
It0 const
>::type
it1;
typedef typename
iter_fold_lvalue_state<
typename iter_fold_lvalue_state<
rest1
, it1
, F
>::type
, typename result_of::next<
it1 const
>::type const
, F
>::type
type;
};
template<typename StateRef, typename It0, typename F>
struct result_of_unrolled_iter_fold<
StateRef
, It0
, F
, 2
>
: iter_fold_lvalue_state<
typename iter_fold_lvalue_state<
StateRef
, It0 const
, F
>::type
, typename result_of::next<
It0 const
>::type const
, F
>
{};
template<typename StateRef, typename It0, typename F>
struct result_of_unrolled_iter_fold<
StateRef
, It0
, F
, 1
>
: iter_fold_lvalue_state<
StateRef
, It0 const
, F
>
{};
template<typename StateRef, typename It0, typename F>
struct result_of_unrolled_iter_fold<
StateRef
, It0
, F
, 0
>
{
typedef StateRef type;
};
template<typename StateRef, typename It0, typename F, int SeqSize>
struct result_of_first_unrollediter_fold
{
typedef typename
result_of_unrolled_iter_fold<
typename boost::result_of<
F(
StateRef,
It0 const&
)
>::type
, typename result_of::next<
It0 const
>::type
, F
, SeqSize-1
>::type
type;
};
template<int SeqSize, typename StateRef, typename Seq, typename F>
struct iter_fold_impl
{
typedef typename
result_of_first_unrollediter_fold<
StateRef
, typename result_of::begin<Seq>::type
, F
, SeqSize
>::type
type;
BOOST_FUSION_GPU_ENABLED
static type
call(StateRef state, Seq& seq, F f)
{
typedef
unrolled_iter_fold<
type
, SeqSize
>
unrolled_impl;
return unrolled_impl::call(
state,
fusion::begin(seq),
f);
}
};
template<typename StateRef, typename Seq, typename F>
struct iter_fold_impl<0,StateRef,Seq,F>
{
typedef StateRef type;
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_iter_fold
: iter_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 iter_fold
: detail::result_of_iter_fold<
Seq
, State
, F
, traits::is_segmented<Seq>::type::value
>
{};
}
template<typename Seq, typename State, typename F>
BOOST_FUSION_GPU_ENABLED
inline typename result_of::iter_fold<
Seq
, State const
, F
>::type
iter_fold(Seq& seq, State const& state, F f)
{
return result_of::iter_fold<Seq,State const,F>::call(
state,
seq,
f);
}
template<typename Seq, typename State, typename F>
BOOST_FUSION_GPU_ENABLED
inline typename result_of::iter_fold<
Seq const
, State const
, F
>::type
iter_fold(Seq const& seq, State const& state, F f)
{
return result_of::iter_fold<Seq const,State const,F>::call(
state,
seq,
f);
}
template<typename Seq, typename State, typename F>
BOOST_FUSION_GPU_ENABLED
inline typename result_of::iter_fold<
Seq
, State const
, F
>::type
iter_fold(Seq& seq, State& state, F f)
{
return result_of::iter_fold<Seq,State,F>::call(
state,
seq,
f);
}
template<typename Seq, typename State, typename F>
BOOST_FUSION_GPU_ENABLED
inline typename result_of::iter_fold<
Seq const
, State const
, F
>::type
iter_fold(Seq const& seq, State& state, F f)
{
return result_of::iter_fold<Seq const,State,F>::call(
state,
seq,
f);
}
}}
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