dune-common 2.9.0
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filledarray.hh
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1// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2// vi: set et ts=4 sw=2 sts=2:
3// SPDX-FileCopyrightInfo: Copyright (C) DUNE Project contributors, see file LICENSE.md in module root
4// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception
5
6#ifndef DUNE_COMMON_FILLED_ARRAY_HH
7#define DUNE_COMMON_FILLED_ARRAY_HH
8
13#include <array>
14#include <cstddef>
15
16namespace Dune
17{
24
32 template<std::size_t n, class T>
33 constexpr std::array<T, n> filledArray(const T& t)
34 {
35 std::array<T, n> arr{};
36 // this is constexpr in c++17, `arr.fill(t)` is not
37 for(auto &el : arr)
38 el = t;
39 return arr;
40 }
41
44} // end namespace Dune
45
46#endif // DUNE_COMMON_FILLED_ARRAY_HH
constexpr std::array< T, n > filledArray(const T &t)
Return an array filled with the provided value.
Definition filledarray.hh:33
Dune namespace.
Definition alignedallocator.hh:13