2016-03-11 16:15:36 +01:00
|
|
|
// This file is under the public domain.
|
|
|
|
|
|
|
|
#pragma once
|
|
|
|
|
|
|
|
#include <cstddef>
|
|
|
|
#include <type_traits>
|
|
|
|
|
|
|
|
namespace Common {
|
|
|
|
|
|
|
|
template <typename T>
|
2018-09-15 15:21:06 +02:00
|
|
|
constexpr T AlignUp(T value, std::size_t size) {
|
2018-08-07 19:31:57 +02:00
|
|
|
static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
|
2016-03-11 16:15:36 +01:00
|
|
|
return static_cast<T>(value + (size - value % size) % size);
|
|
|
|
}
|
|
|
|
|
|
|
|
template <typename T>
|
2018-09-15 15:21:06 +02:00
|
|
|
constexpr T AlignDown(T value, std::size_t size) {
|
2018-08-07 19:31:57 +02:00
|
|
|
static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
|
2016-03-11 16:15:36 +01:00
|
|
|
return static_cast<T>(value - value % size);
|
|
|
|
}
|
|
|
|
|
2019-05-10 09:17:48 +02:00
|
|
|
template <typename T>
|
|
|
|
constexpr T AlignBits(T value, T align) {
|
|
|
|
return (value + ((1 << align) - 1)) >> align << align;
|
|
|
|
}
|
|
|
|
|
2018-10-18 18:55:27 +02:00
|
|
|
template <typename T>
|
|
|
|
constexpr bool Is4KBAligned(T value) {
|
|
|
|
static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
|
|
|
|
return (value & 0xFFF) == 0;
|
|
|
|
}
|
|
|
|
|
2018-10-18 18:58:23 +02:00
|
|
|
template <typename T>
|
|
|
|
constexpr bool IsWordAligned(T value) {
|
|
|
|
static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
|
|
|
|
return (value & 0b11) == 0;
|
|
|
|
}
|
|
|
|
|
2016-03-11 16:15:36 +01:00
|
|
|
} // namespace Common
|