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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
//---------------------------------------------------------------------------//
// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
//
// 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
//
// See http://boostorg.github.com/compute for more information.
//---------------------------------------------------------------------------//
#ifndef BOOST_COMPUTE_TYPES_TUPLE_HPP
#define BOOST_COMPUTE_TYPES_TUPLE_HPP
#include <string>
#include <utility>
#include <boost/preprocessor/enum.hpp>
#include <boost/preprocessor/expr_if.hpp>
#include <boost/preprocessor/repetition.hpp>
#include <boost/tuple/tuple.hpp>
#include <boost/compute/config.hpp>
#include <boost/compute/functional/get.hpp>
#include <boost/compute/type_traits/type_name.hpp>
#include <boost/compute/detail/meta_kernel.hpp>
#ifndef BOOST_COMPUTE_NO_STD_TUPLE
#include <tuple>
#endif
namespace boost {
namespace compute {
namespace detail {
// meta_kernel operators for boost::tuple literals
#define BOOST_COMPUTE_PRINT_ELEM(z, n, unused) \
BOOST_PP_EXPR_IF(n, << ", ") \
<< kernel.make_lit(boost::get<n>(x))
#define BOOST_COMPUTE_PRINT_TUPLE(z, n, unused) \
template<BOOST_PP_ENUM_PARAMS(n, class T)> \
inline meta_kernel& \
operator<<(meta_kernel &kernel, \
const boost::tuple<BOOST_PP_ENUM_PARAMS(n, T)> &x) \
{ \
return kernel \
<< "(" \
<< type_name<boost::tuple<BOOST_PP_ENUM_PARAMS(n, T)> >() \
<< ")" \
<< "{" \
BOOST_PP_REPEAT(n, BOOST_COMPUTE_PRINT_ELEM, ~) \
<< "}"; \
}
BOOST_PP_REPEAT_FROM_TO(1, BOOST_COMPUTE_MAX_ARITY, BOOST_COMPUTE_PRINT_TUPLE, ~)
#undef BOOST_COMPUTE_PRINT_TUPLE
#undef BOOST_COMPUTE_PRINT_ELEM
// inject_type() specializations for boost::tuple
#define BOOST_COMPUTE_INJECT_TYPE(z, n, unused) \
kernel.inject_type<T ## n>();
#define BOOST_COMPUTE_INJECT_DECL(z, n, unused) \
<< " " << type_name<T ## n>() << " v" #n ";\n"
#define BOOST_COMPUTE_INJECT_IMPL(z, n, unused) \
template<BOOST_PP_ENUM_PARAMS(n, class T)> \
struct inject_type_impl<boost::tuple<BOOST_PP_ENUM_PARAMS(n, T)> > \
{ \
void operator()(meta_kernel &kernel) \
{ \
typedef boost::tuple<BOOST_PP_ENUM_PARAMS(n, T)> tuple_type; \
BOOST_PP_REPEAT(n, BOOST_COMPUTE_INJECT_TYPE, ~) \
std::stringstream declaration; \
declaration << "typedef struct {\n" \
BOOST_PP_REPEAT(n, BOOST_COMPUTE_INJECT_DECL, ~) \
<< "} " << type_name<tuple_type>() << ";\n"; \
kernel.add_type_declaration<tuple_type>(declaration.str()); \
} \
};
BOOST_PP_REPEAT_FROM_TO(1, BOOST_COMPUTE_MAX_ARITY, BOOST_COMPUTE_INJECT_IMPL, ~)
#undef BOOST_COMPUTE_INJECT_IMPL
#undef BOOST_COMPUTE_INJECT_DECL
#undef BOOST_COMPUTE_INJECT_TYPE
#ifdef BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
// type_name() specializations for boost::tuple (without variadic templates)
#define BOOST_COMPUTE_PRINT_TYPE(z, n, unused) \
+ type_name<T ## n>() + "_"
#define BOOST_COMPUTE_PRINT_TYPE_NAME(z, n, unused) \
template<BOOST_PP_ENUM_PARAMS(n, class T)> \
struct type_name_trait<boost::tuple<BOOST_PP_ENUM_PARAMS(n, T)> > \
{ \
static const char* value() \
{ \
static std::string name = \
std::string("boost_tuple_") \
BOOST_PP_REPEAT(n, BOOST_COMPUTE_PRINT_TYPE, ~) \
"t"; \
return name.c_str(); \
} \
};
BOOST_PP_REPEAT_FROM_TO(1, BOOST_COMPUTE_MAX_ARITY, BOOST_COMPUTE_PRINT_TYPE_NAME, ~)
#undef BOOST_COMPUTE_PRINT_TYPE_NAME
#undef BOOST_COMPUTE_PRINT_TYPE
#else
template<size_t N, class T, class... Rest>
struct write_tuple_type_names
{
void operator()(std::ostream &os)
{
os << type_name<T>() << "_";
write_tuple_type_names<N-1, Rest...>()(os);
}
};
template<class T, class... Rest>
struct write_tuple_type_names<1, T, Rest...>
{
void operator()(std::ostream &os)
{
os << type_name<T>();
}
};
// type_name<> specialization for boost::tuple<...> (with variadic templates)
template<class... T>
struct type_name_trait<boost::tuple<T...>>
{
static const char* value()
{
static std::string str = make_type_name();
return str.c_str();
}
static std::string make_type_name()
{
typedef typename boost::tuple<T...> tuple_type;
std::stringstream s;
s << "boost_tuple_";
write_tuple_type_names<
boost::tuples::length<tuple_type>::value, T...
>()(s);
s << "_t";
return s.str();
}
};
#endif // BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
#ifndef BOOST_COMPUTE_NO_STD_TUPLE
// type_name<> specialization for std::tuple<T...>
template<class... T>
struct type_name_trait<std::tuple<T...>>
{
static const char* value()
{
static std::string str = make_type_name();
return str.c_str();
}
static std::string make_type_name()
{
typedef typename std::tuple<T...> tuple_type;
std::stringstream s;
s << "std_tuple_";
write_tuple_type_names<
std::tuple_size<tuple_type>::value, T...
>()(s);
s << "_t";
return s.str();
}
};
#endif // BOOST_COMPUTE_NO_STD_TUPLE
// get<N>() result type specialization for boost::tuple<>
#define BOOST_COMPUTE_GET_RESULT_TYPE(z, n, unused) \
template<size_t N, BOOST_PP_ENUM_PARAMS(n, class T)> \
struct get_result_type<N, boost::tuple<BOOST_PP_ENUM_PARAMS(n, T)> > \
{ \
typedef typename boost::tuple<BOOST_PP_ENUM_PARAMS(n, T)> T; \
typedef typename boost::tuples::element<N, T>::type type; \
};
BOOST_PP_REPEAT_FROM_TO(1, BOOST_COMPUTE_MAX_ARITY, BOOST_COMPUTE_GET_RESULT_TYPE, ~)
#undef BOOST_COMPUTE_GET_RESULT_TYPE
// get<N>() specialization for boost::tuple<>
#define BOOST_COMPUTE_GET_N(z, n, unused) \
template<size_t N, class Arg, BOOST_PP_ENUM_PARAMS(n, class T)> \
inline meta_kernel& operator<<(meta_kernel &kernel, \
const invoked_get<N, Arg, boost::tuple<BOOST_PP_ENUM_PARAMS(n, T)> > &expr) \
{ \
typedef typename boost::tuple<BOOST_PP_ENUM_PARAMS(n, T)> T; \
BOOST_STATIC_ASSERT(N < size_t(boost::tuples::length<T>::value)); \
kernel.inject_type<T>(); \
return kernel << expr.m_arg << ".v" << uint_(N); \
}
BOOST_PP_REPEAT_FROM_TO(1, BOOST_COMPUTE_MAX_ARITY, BOOST_COMPUTE_GET_N, ~)
#undef BOOST_COMPUTE_GET_N
} // end detail namespace
} // end compute namespace
} // end boost namespace
#endif // BOOST_COMPUTE_TYPES_TUPLE_HPP
|
