Common: Add alignment header

Gets rid of duplicated alignment code.
This commit is contained in:
Léo Lam
2016-11-27 11:56:22 +01:00
parent 7192789c11
commit 31ccfffd38
32 changed files with 146 additions and 119 deletions

View File

@ -0,0 +1,24 @@
// This file is under the public domain.
#pragma once
#include <cstddef>
#include <type_traits>
namespace Common
{
template <typename T>
constexpr T AlignUp(T value, size_t size)
{
static_assert(std::is_unsigned<T>(), "T must be an unsigned value.");
return static_cast<T>(value + (size - value % size) % size);
}
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);
}
} // namespace Common