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_TYPES_HPP
30 #define PAGMO_TYPES_HPP
31 
32 #include <tuple>
33 #include <utility>
34 #include <vector>
35 
36 /// Root PaGMO namespace.
37 namespace pagmo
38 {
39 
40 /// Alias for an <tt>std::vector</tt> of <tt>double</tt>s.
41 typedef std::vector<double> vector_double;
42 
43 /// Alias for an <tt>std::vector</tt> of <tt>std::pair</tt>s of the size type of pagmo::vector_double.
44 typedef std::vector<std::pair<vector_double::size_type, vector_double::size_type>> sparsity_pattern;
45 
46 /// Population size type.
47 /**
48  * This unsigned integral types is used to represent the size
49  * of a pagmo::population, and, more generally, of collections
50  * of decision vectors, fitness vectors, etc.
51  */
52 typedef std::vector<vector_double>::size_type pop_size_t;
53 
54 #if !defined(PAGMO_DOXYGEN_INVOKED)
55 
56 // A group of individuals: IDs, dvs and fvs.
57 using individuals_group_t
58     = std::tuple<std::vector<unsigned long long>, std::vector<vector_double>, std::vector<vector_double>>;
59 
60 #endif
61 
62 } // namespace pagmo
63 
64 #endif
65