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
221
222
223
224
225
226
227
228
229
230
|
///////////////////////////////////////////////////////////////////////////////
// accumulators_fwd.hpp
//
// Copyright 2005 Eric Niebler. 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)
#ifndef BOOST_ACCUMULATORS_ACCUMULATORS_FWD_HPP_EAN_28_10_2005
#define BOOST_ACCUMULATORS_ACCUMULATORS_FWD_HPP_EAN_28_10_2005
#include <boost/config.hpp>
#include <boost/mpl/apply_fwd.hpp> // for mpl::na
#include <boost/mpl/limits/vector.hpp>
#include <boost/preprocessor/cat.hpp>
#include <boost/preprocessor/arithmetic/inc.hpp>
#include <boost/preprocessor/repetition/enum_params_with_a_default.hpp>
#include <boost/preprocessor/repetition/enum_trailing_params.hpp>
#include <boost/preprocessor/repetition/enum_trailing_binary_params.hpp>
#include <boost/preprocessor/repetition/repeat_from_to.hpp>
#include <boost/accumulators/numeric/functional_fwd.hpp>
#ifndef BOOST_ACCUMULATORS_MAX_FEATURES
/// The maximum number of accumulators that may be put in an accumulator_set.
/// Defaults to BOOST_MPL_LIMIT_VECTOR_SIZE (which defaults to 20).
# define BOOST_ACCUMULATORS_MAX_FEATURES BOOST_MPL_LIMIT_VECTOR_SIZE
#endif
#if BOOST_ACCUMULATORS_MAX_FEATURES > BOOST_MPL_LIMIT_VECTOR_SIZE
# error BOOST_ACCUMULATORS_MAX_FEATURES cannot be larger than BOOST_MPL_LIMIT_VECTOR_SIZE
#endif
#ifndef BOOST_ACCUMULATORS_MAX_ARGS
/// The maximum number of arguments that may be specified to an accumulator_set's
/// accumulation function. Defaults to 15.
# define BOOST_ACCUMULATORS_MAX_ARGS 15
#endif
#if BOOST_WORKAROUND(__GNUC__, == 3) \
|| BOOST_WORKAROUND(__EDG_VERSION__, BOOST_TESTED_AT(306))
# define BOOST_ACCUMULATORS_BROKEN_CONST_OVERLOADS
#endif
#ifdef BOOST_ACCUMULATORS_BROKEN_CONST_OVERLOADS
# include <boost/utility/enable_if.hpp>
# include <boost/type_traits/is_const.hpp>
# define BOOST_ACCUMULATORS_PROTO_DISABLE_IF_IS_CONST(T)\
, typename boost::disable_if<boost::is_const<T> >::type * = 0
#else
# define BOOST_ACCUMULATORS_PROTO_DISABLE_IF_IS_CONST(T)
#endif
#define BOOST_ACCUMULATORS_GCC_VERSION \
(__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
namespace boost { namespace accumulators
{
///////////////////////////////////////////////////////////////////////////////
// Named parameters tags
//
namespace tag
{
struct sample;
struct weight;
struct accumulator;
struct weights;
}
///////////////////////////////////////////////////////////////////////////////
// User-level features
//
namespace tag
{
template<typename ValueType, typename Tag>
struct value;
template<typename Tag>
struct value_tag;
template<typename Referent, typename Tag>
struct reference;
template<typename Tag>
struct reference_tag;
template<typename Type, typename Tag = void, typename AccumulatorSet = void>
struct external;
template<typename Feature>
struct droppable;
}
template<typename Accumulator>
struct droppable_accumulator_base;
template<typename Accumulator>
struct droppable_accumulator;
template<typename Accumulator>
struct with_cached_result;
template<typename Sample, typename Features, typename Weight = void>
struct accumulator_set;
template<typename Feature>
struct extractor;
template<typename Feature>
struct feature_of;
template<typename Feature>
struct as_feature;
template<typename Feature>
struct as_weighted_feature;
template<BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(BOOST_ACCUMULATORS_MAX_FEATURES, typename Feature, mpl::na)>
struct depends_on;
template<BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(BOOST_ACCUMULATORS_MAX_FEATURES, typename Feature, mpl::na)>
struct features;
template<typename Feature, typename AccumulatorSet>
typename mpl::apply<AccumulatorSet, Feature>::type const &
find_accumulator(AccumulatorSet const &acc);
template<typename Feature, typename AccumulatorSet>
typename mpl::apply<AccumulatorSet, Feature>::type::result_type
extract_result(AccumulatorSet const &acc);
template<typename Feature, typename AccumulatorSet, typename A1>
typename mpl::apply<AccumulatorSet, Feature>::type::result_type
extract_result(AccumulatorSet const &acc, A1 const &a1);
// ... other overloads generated by Boost.Preprocessor:
/// INTERNAL ONLY
///
#define BOOST_ACCUMULATORS_EXTRACT_RESULT_FWD(z, n, _) \
template< \
typename Feature \
, typename AccumulatorSet \
BOOST_PP_ENUM_TRAILING_PARAMS_Z(z, n, typename A) \
> \
typename mpl::apply<AccumulatorSet, Feature>::type::result_type \
extract_result( \
AccumulatorSet const &acc \
BOOST_PP_ENUM_TRAILING_BINARY_PARAMS_Z(z, n, A, const &a) \
);
/// INTERNAL ONLY
///
BOOST_PP_REPEAT_FROM_TO(
2
, BOOST_PP_INC(BOOST_ACCUMULATORS_MAX_ARGS)
, BOOST_ACCUMULATORS_EXTRACT_RESULT_FWD
, _
)
#ifdef BOOST_ACCUMULATORS_DOXYGEN_INVOKED
template<typename Feature, typename AccumulatorSet, typename A1, typename A2 ...>
typename mpl::apply<AccumulatorSet, Feature>::type::result_type
extract_result(AccumulatorSet const &acc, A1 const &a1, A2 const &a2 ...);
#endif
namespace impl
{
using namespace numeric::operators;
template<typename Accumulator, typename Tag>
struct external_impl;
}
namespace detail
{
template<typename Accumulator>
struct feature_tag;
template<typename Feature, typename Sample, typename Weight>
struct to_accumulator;
struct accumulator_set_base;
template<typename T>
struct is_accumulator_set;
inline void ignore_variable(void const *) {}
#define BOOST_ACCUMULATORS_IGNORE_GLOBAL(X) \
namespace detail \
{ \
struct BOOST_PP_CAT(ignore_, X) \
{ \
void ignore() \
{ \
boost::accumulators::detail::ignore_variable(&X); \
} \
}; \
} \
/**/
}
}} // namespace boost::accumulators
// For defining boost::parameter keywords that can be inherited from to
// get a nested, class-scoped keyword with the requested alias
#define BOOST_PARAMETER_NESTED_KEYWORD(tag_namespace, name, alias) \
namespace tag_namespace \
{ \
template<int Dummy = 0> \
struct name ## _ \
{ \
static char const* keyword_name() \
{ \
return #name; \
} \
static ::boost::parameter::keyword<name ## _<Dummy> > &alias; \
}; \
template<int Dummy> \
::boost::parameter::keyword<name ## _<Dummy> > &name ## _<Dummy>::alias = \
::boost::parameter::keyword<name ## _<Dummy> >::get(); \
typedef name ## _ <> name; \
} \
namespace \
{ \
::boost::parameter::keyword<tag_namespace::name> &name = \
::boost::parameter::keyword<tag_namespace::name>::get(); \
}
#endif
|
