mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2026-10-19 17:18:59 +02:00
JosJuice
f93a8a995b
Many callers of AlignUp are dividing immediately after aligning. Let's add a helper function for this so callers don't have to specify the alignment size twice.
33 lines
766 B
C++
33 lines
766 B
C++
// SPDX-License-Identifier: CC0-1.0
|
|
|
|
#pragma once
|
|
|
|
#include <cstddef>
|
|
#include <type_traits>
|
|
|
|
namespace Common
|
|
{
|
|
|
|
template <typename T>
|
|
constexpr T AlignDown(T value, size_t size)
|
|
{
|
|
static_assert(std::is_unsigned<T>(), "T must be an unsigned value.");
|
|
return static_cast<T>(value - value % size);
|
|
}
|
|
|
|
template <typename T>
|
|
constexpr T AlignUp(T value, size_t size)
|
|
{
|
|
static_assert(std::is_unsigned<T>(), "T must be an unsigned value.");
|
|
return AlignDown<T>(static_cast<T>(value + (size - 1)), size);
|
|
}
|
|
|
|
template <typename T>
|
|
constexpr T DivideRoundingUp(T numerator, size_t denominator)
|
|
{
|
|
static_assert(std::is_unsigned<T>(), "T must be an unsigned value.");
|
|
return static_cast<T>((numerator + (denominator - 1)) / denominator);
|
|
}
|
|
|
|
} // namespace Common
|