]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // max.hpp | |
3 | // | |
4 | // Copyright 2005 Eric Niebler. Distributed under the Boost | |
5 | // Software License, Version 1.0. (See accompanying file | |
6 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
7 | ||
8 | #ifndef BOOST_ACCUMULATORS_STATISTICS_MAX_HPP_EAN_28_10_2005 | |
9 | #define BOOST_ACCUMULATORS_STATISTICS_MAX_HPP_EAN_28_10_2005 | |
10 | ||
11 | #include <limits> | |
12 | #include <boost/mpl/placeholders.hpp> | |
13 | #include <boost/accumulators/framework/accumulator_base.hpp> | |
14 | #include <boost/accumulators/framework/extractor.hpp> | |
15 | #include <boost/accumulators/framework/parameters/sample.hpp> | |
16 | #include <boost/accumulators/numeric/functional.hpp> | |
17 | #include <boost/accumulators/framework/depends_on.hpp> | |
18 | #include <boost/accumulators/statistics_fwd.hpp> | |
19 | ||
20 | namespace boost { namespace accumulators | |
21 | { | |
22 | ||
23 | namespace impl | |
24 | { | |
25 | /////////////////////////////////////////////////////////////////////////////// | |
26 | // max_impl | |
27 | template<typename Sample> | |
28 | struct max_impl | |
29 | : accumulator_base | |
30 | { | |
31 | // for boost::result_of | |
32 | typedef Sample result_type; | |
33 | ||
34 | template<typename Args> | |
35 | max_impl(Args const &args) | |
36 | : max_(numeric::as_min(args[sample | Sample()])) | |
37 | { | |
38 | } | |
39 | ||
40 | template<typename Args> | |
41 | void operator ()(Args const &args) | |
42 | { | |
43 | numeric::max_assign(this->max_, args[sample]); | |
44 | } | |
45 | ||
46 | result_type result(dont_care) const | |
47 | { | |
48 | return this->max_; | |
49 | } | |
50 | ||
51 | private: | |
52 | Sample max_; | |
53 | }; | |
54 | ||
55 | } // namespace impl | |
56 | ||
57 | /////////////////////////////////////////////////////////////////////////////// | |
58 | // tag::max | |
59 | // | |
60 | namespace tag | |
61 | { | |
62 | struct max | |
63 | : depends_on<> | |
64 | { | |
65 | /// INTERNAL ONLY | |
66 | /// | |
67 | typedef accumulators::impl::max_impl<mpl::_1> impl; | |
68 | }; | |
69 | } | |
70 | ||
71 | /////////////////////////////////////////////////////////////////////////////// | |
72 | // extract::max | |
73 | // | |
74 | namespace extract | |
75 | { | |
76 | extractor<tag::max> const max = {}; | |
77 | ||
78 | BOOST_ACCUMULATORS_IGNORE_GLOBAL(max) | |
79 | } | |
80 | ||
81 | using extract::max; | |
82 | ||
83 | }} // namespace boost::accumulators | |
84 | ||
85 | #endif |