1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2007 Dan Marsden
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)
==============================================================================*/
#if !defined(FUSION_ALL_05052005_1237)
#define FUSION_ALL_05052005_1237
#include <boost/fusion/support/config.hpp>
#include <boost/mpl/bool.hpp>
#include <boost/fusion/sequence/intrinsic/begin.hpp>
#include <boost/fusion/sequence/intrinsic/end.hpp>
#include <boost/fusion/iterator/advance.hpp>
#include <boost/fusion/iterator/equal_to.hpp>
#include <boost/fusion/iterator/next.hpp>
#include <boost/fusion/iterator/deref.hpp>
#include <boost/fusion/iterator/distance.hpp>
namespace boost { namespace fusion { namespace detail
{
template <typename First, typename Last, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline bool
linear_all(First const&, Last const&, F const&, mpl::true_)
{
return true;
}
template <typename First, typename Last, typename F>
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline bool
linear_all(First const& first, Last const& last, F& f, mpl::false_)
{
typename result_of::deref<First>::type x = *first;
return f(x) &&
detail::linear_all(
fusion::next(first)
, last
, f
, result_of::equal_to<typename result_of::next<First>::type, Last>());
}
template <typename Sequence, typename F, typename Tag>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline bool
all(Sequence const& seq, F f, Tag)
{
return detail::linear_all(
fusion::begin(seq)
, fusion::end(seq)
, f
, result_of::equal_to<
typename result_of::begin<Sequence>::type
, typename result_of::end<Sequence>::type>());
}
template<int N>
struct unrolled_all
{
template <typename It, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static bool call(It const& it, F f)
{
return
f(*it) &&
f(*fusion::advance_c<1>(it))&&
f(*fusion::advance_c<2>(it)) &&
f(*fusion::advance_c<3>(it)) &&
detail::unrolled_all<N-4>::call(fusion::advance_c<4>(it), f);
}
};
template<>
struct unrolled_all<3>
{
template <typename It, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static bool call(It const& it, F f)
{
return
f(*it) &&
f(*fusion::advance_c<1>(it)) &&
f(*fusion::advance_c<2>(it));
}
};
template<>
struct unrolled_all<2>
{
template <typename It, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static bool call(It const& it, F f)
{
return
f(*it) &&
f(*fusion::advance_c<1>(it));
}
};
template<>
struct unrolled_all<1>
{
template <typename It, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static bool call(It const& it, F f)
{
return f(*it);
}
};
template<>
struct unrolled_all<0>
{
template <typename It, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static bool call(It const& /*it*/, F /*f*/)
{
return true;
}
};
template <typename Sequence, typename F>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline bool
all(Sequence const& seq, F f, random_access_traversal_tag)
{
typedef typename result_of::begin<Sequence>::type begin;
typedef typename result_of::end<Sequence>::type end;
return detail::unrolled_all<result_of::distance<begin, end>::type::value>::call(
fusion::begin(seq), f);
}
}}}
#endif
|
