1 /* Copyright 2017-2021 PaGMO development team
2 
3 This file is part of the PaGMO library.
4 
5 The PaGMO library is free software; you can redistribute it and/or modify
6 it under the terms of either:
7 
8   * the GNU Lesser General Public License as published by the Free
9     Software Foundation; either version 3 of the License, or (at your
10     option) any later version.
11 
12 or
13 
14   * the GNU General Public License as published by the Free Software
15     Foundation; either version 3 of the License, or (at your option) any
16     later version.
17 
18 or both in parallel, as here.
19 
20 The PaGMO library is distributed in the hope that it will be useful, but
21 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
22 or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
23 for more details.
24 
25 You should have received copies of the GNU General Public License and the
26 GNU Lesser General Public License along with the PaGMO library.  If not,
27 see https://www.gnu.org/licenses/. */
28 
29 #ifndef PAGMO_S_POLICIES_SELECT_BEST_HPP
30 #define PAGMO_S_POLICIES_SELECT_BEST_HPP
31 
32 #include <string>
33 #include <type_traits>
34 
35 #include <pagmo/detail/base_sr_policy.hpp>
36 #include <pagmo/detail/visibility.hpp>
37 #include <pagmo/s11n.hpp>
38 #include <pagmo/s_policy.hpp>
39 #include <pagmo/type_traits.hpp>
40 #include <pagmo/types.hpp>
41 
42 namespace pagmo
43 {
44 
45 class PAGMO_DLL_PUBLIC select_best : public detail::base_sr_policy
46 {
47 public:
48     select_best();
49     template <typename T,
50               enable_if_t<detail::disjunction<std::is_integral<T>, std::is_floating_point<T>>::value, int> = 0>
select_best(T x)51     explicit select_best(T x) : detail::base_sr_policy(x)
52     {
53     }
54 
55     individuals_group_t select(const individuals_group_t &, const vector_double::size_type &,
56                                const vector_double::size_type &, const vector_double::size_type &,
57                                const vector_double::size_type &, const vector_double::size_type &,
58                                const vector_double &) const;
59 
get_name() const60     std::string get_name() const
61     {
62         return "Select best";
63     }
64     std::string get_extra_info() const;
65 
66 private:
67     // Object serialization
68     friend class boost::serialization::access;
69     template <typename Archive>
70     void serialize(Archive &, unsigned);
71 };
72 
73 } // namespace pagmo
74 
75 PAGMO_S11N_S_POLICY_EXPORT_KEY(pagmo::select_best)
76 
77 #endif
78