75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
/*
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Copyright (c) 2020, Intel Corporation
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/** @file array.hpp
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@brief minimal implementation of std::array
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This header is added to avoid additional dependency on C++ library
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for builtins-c-cpu.cpp file.
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*/
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namespace notstd {
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template <typename T, int sizeImpl> struct array {
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T dataImpl[sizeImpl];
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using value_type = T;
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using reference = T &;
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using const_reference = const T &;
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using pointer = T *;
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using const_pointer = const T *;
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using iterator = pointer;
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using const_iterator = const_pointer;
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using size_type = int;
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size_type size() const noexcept { return sizeImpl; }
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pointer data() noexcept { return &dataImpl[0]; }
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const_pointer data() const noexcept { return &dataImpl[0]; }
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iterator begin() noexcept { return data(); }
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const_iterator begin() const noexcept { return data(); }
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iterator end() noexcept { return data() + size(); }
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const_iterator end() const noexcept { return data() + size(); }
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const_reference operator[](int idx) const noexcept { return dataImpl[idx]; }
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reference operator[](int idx) noexcept { return dataImpl[idx]; }
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};
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} // namespace notstd
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