43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Copyright 2021 John Maddock.
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// Copyright Christopher Kormanyos 2021. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef BOOST_MP_DETAIL_STATIC_ARRAY_HPP
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#define BOOST_MP_DETAIL_STATIC_ARRAY_HPP
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#include <array>
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#include <cstddef>
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#include <cstdint>
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#include <initializer_list>
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namespace boost { namespace multiprecision { namespace backends { namespace detail {
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template <class ValueType, const std::uint32_t ElemNumber>
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struct static_array : public std::array<ValueType, std::size_t(ElemNumber)>
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{
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private:
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using base_class_type = std::array<ValueType, std::size_t(ElemNumber)>;
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public:
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static_array() noexcept
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{
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base_class_type::fill(typename base_class_type::value_type(0u));
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}
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static_array(std::initializer_list<std::uint32_t> lst) noexcept
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{
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std::copy(lst.begin(),
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lst.begin() + (std::min)(std::size_t(lst.size()), std::size_t(ElemNumber)),
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base_class_type::begin());
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std::fill(base_class_type::begin() + (std::min)(std::size_t(lst.size()), std::size_t(ElemNumber)),
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base_class_type::end(),
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typename base_class_type::value_type(0u));
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}
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};
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}}}} // namespace boost::multiprecision::backends::detail
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#endif // BOOST_MP_DETAIL_STATIC_ARRAY_HPP
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