| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Copyright 2021 John Maddock. |
| 3 | // Copyright Christopher Kormanyos 2021. Distributed under the Boost |
| 4 | // Software License, Version 1.0. (See accompanying file |
| 5 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 6 | // |
| 7 | |
| 8 | #ifndef BOOST_MP_DETAIL_STATIC_ARRAY_HPP |
| 9 | #define BOOST_MP_DETAIL_STATIC_ARRAY_HPP |
| 10 | |
| 11 | #include <array> |
| 12 | #include <cstddef> |
| 13 | #include <cstdint> |
| 14 | #include <initializer_list> |
| 15 | |
| 16 | namespace boost { namespace multiprecision { namespace backends { namespace detail { |
| 17 | template <class ValueType, const std::uint32_t ElemNumber> |
| 18 | struct static_array : public std::array<ValueType, std::size_t(ElemNumber)> |
| 19 | { |
| 20 | private: |
| 21 | using base_class_type = std::array<ValueType, std::size_t(ElemNumber)>; |
| 22 | |
| 23 | public: |
| 24 | static_array() noexcept |
| 25 | { |
| 26 | base_class_type::fill(typename base_class_type::value_type(0u)); |
| 27 | } |
| 28 | |
| 29 | static_array(std::initializer_list<std::uint32_t> lst) noexcept |
| 30 | { |
| 31 | std::copy(lst.begin(), |
| 32 | lst.begin() + (std::min)(a: std::size_t(lst.size()), b: std::size_t(ElemNumber)), |
| 33 | base_class_type::begin()); |
| 34 | |
| 35 | std::fill(base_class_type::begin() + (std::min)(a: std::size_t(lst.size()), b: std::size_t(ElemNumber)), |
| 36 | base_class_type::end(), |
| 37 | typename base_class_type::value_type(0u)); |
| 38 | } |
| 39 | }; |
| 40 | }}}} // namespace boost::multiprecision::backends::detail |
| 41 | |
| 42 | #endif // BOOST_MP_DETAIL_STATIC_ARRAY_HPP |
| 43 | |