mirror of
https://git.suyu.dev/suyu/suyu.git
synced 2024-11-06 06:52:44 +01:00
c190586597
Fixes instances where DivCeil(u32, u64) would surprisingly return u64, instead of the more natural u32.
26 lines
894 B
C++
26 lines
894 B
C++
// Copyright 2020 yuzu emulator team
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <cstddef>
|
|
#include <type_traits>
|
|
|
|
namespace Common {
|
|
|
|
/// Ceiled integer division.
|
|
template <typename N, typename D>
|
|
requires std::is_integral_v<N>&& std::is_unsigned_v<D>[[nodiscard]] constexpr N DivCeil(N number,
|
|
D divisor) {
|
|
return static_cast<N>((static_cast<D>(number) + divisor - 1) / divisor);
|
|
}
|
|
|
|
/// Ceiled integer division with logarithmic divisor in base 2
|
|
template <typename N, typename D>
|
|
requires std::is_integral_v<N>&& std::is_unsigned_v<D>[[nodiscard]] constexpr N DivCeilLog2(
|
|
N value, D alignment_log2) {
|
|
return static_cast<N>((static_cast<D>(value) + (D(1) << alignment_log2) - 1) >> alignment_log2);
|
|
}
|
|
|
|
} // namespace Common
|