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24 lines
625 B
C++
24 lines
625 B
C++
// This file is under the public domain.
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#pragma once
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#include <cstddef>
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#include <type_traits>
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namespace Common {
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template <typename T>
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[[nodiscard]] constexpr T AlignUp(T value, std::size_t size) {
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static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
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auto mod{value % size};
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value -= mod;
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return static_cast<T>(mod == T{0} ? value : value + size);
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}
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template <typename T>
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[[nodiscard]] constexpr T AlignDown(T value, std::size_t size) {
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static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
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return static_cast<T>(value - value % size);
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}
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} // namespace Common
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