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41 lines
1.1 KiB
C++
41 lines
1.1 KiB
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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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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return static_cast<T>(value + (size - value % size) % size);
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}
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template <typename T>
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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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template <typename T>
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constexpr T AlignBits(T value, std::size_t align) {
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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 + ((1ULL << align) - 1)) >> align << align);
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}
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template <typename T>
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constexpr bool Is4KBAligned(T value) {
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static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
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return (value & 0xFFF) == 0;
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}
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template <typename T>
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constexpr bool IsWordAligned(T value) {
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static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
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return (value & 0b11) == 0;
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}
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} // namespace Common
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