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Alyssa Rosenzweig
af21b8f3c7
It is not an external component, and it makes paths needlessly long. Ryan seemed amenable to this when we discussed on IRC earlier. Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
28 lines
725 B
C++
28 lines
725 B
C++
#pragma once
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#include <FEXCore/Utils/LogManager.h>
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#include <bit>
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#include <cstdint>
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#include <type_traits>
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namespace FEXCore {
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[[nodiscard]] constexpr uint64_t AlignUp(uint64_t value, uint64_t size) {
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return value + (size - value % size) % size;
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}
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[[nodiscard]] constexpr uint64_t AlignDown(uint64_t value, uint64_t size) {
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return value - value % size;
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}
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// Returns the ilog2 of a power-of-2 integer.
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// Asserts in the case that the passed in integer is not a power-of-2.
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template<typename T>
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requires(std::is_unsigned_v<T>)
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[[nodiscard]] constexpr T ilog2(T Value) {
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LOGMAN_THROW_A_FMT(std::has_single_bit(Value), "ilog2 requires popcount to be one");
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return std::countr_zero(Value);
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}
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} // namespace FEXCore
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