Reference documentation for deal.II version GIT c1ddcf411d 2023-11-30 16:30:02+00:00
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ndarray.h
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1 // ---------------------------------------------------------------------
2 //
3 // Copyright (C) 2021 - 2023 by the deal.II authors
4 //
5 // This file is part of the deal.II library.
6 //
7 // The deal.II library is free software; you can use it, redistribute
8 // it, and/or modify it under the terms of the GNU Lesser General
9 // Public License as published by the Free Software Foundation; either
10 // version 2.1 of the License, or (at your option) any later version.
11 // The full text of the license can be found in the file LICENSE.md at
12 // the top level directory of deal.II.
13 //
14 // ---------------------------------------------------------------------
15 
16 #ifndef dealii_ndarray_h
17 #define dealii_ndarray_h
18 
19 #include <deal.II/base/config.h>
20 
22 
23 #include <array>
24 
26 
27 #ifndef DOXYGEN
28 namespace internal
29 {
30  namespace ndarray
31  {
32  // clang-format off
45  template <typename T, std::size_t... Ns>
46  struct HelperArray;
47  // clang-format on
48 
53  template <typename T, std::size_t N, std::size_t... Ns>
54  struct HelperArray<T, N, Ns...>
55  {
56  using type = std::array<typename HelperArray<T, Ns...>::type, N>;
57  };
58 
63  template <typename T>
64  struct HelperArray<T>
65  {
66  using type = T;
67  };
68  } // namespace ndarray
69 } // namespace internal
70 #endif // DOXYGEN
71 
107 template <typename T, std::size_t... Ns>
108 using ndarray = typename internal::ndarray::HelperArray<T, Ns...>::type;
109 
111 
112 #endif
#define DEAL_II_NAMESPACE_OPEN
Definition: config.h:477
#define DEAL_II_NAMESPACE_CLOSE
Definition: config.h:478
static const char T
static const char N
typename internal::ndarray::HelperArray< T, Ns... >::type ndarray
Definition: ndarray.h:108