summaryrefslogtreecommitdiff
path: root/src/common/alignment.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/common/alignment.h')
-rw-r--r--src/common/alignment.h14
1 files changed, 7 insertions, 7 deletions
diff --git a/src/common/alignment.h b/src/common/alignment.h
index ef4d6f896..5040043de 100644
--- a/src/common/alignment.h
+++ b/src/common/alignment.h
@@ -9,7 +9,7 @@
9namespace Common { 9namespace Common {
10 10
11template <typename T> 11template <typename T>
12constexpr T AlignUp(T value, std::size_t size) { 12[[nodiscard]] constexpr T AlignUp(T value, std::size_t size) {
13 static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); 13 static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
14 auto mod{static_cast<T>(value % size)}; 14 auto mod{static_cast<T>(value % size)};
15 value -= mod; 15 value -= mod;
@@ -17,31 +17,31 @@ constexpr T AlignUp(T value, std::size_t size) {
17} 17}
18 18
19template <typename T> 19template <typename T>
20constexpr T AlignDown(T value, std::size_t size) { 20[[nodiscard]] constexpr T AlignDown(T value, std::size_t size) {
21 static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); 21 static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
22 return static_cast<T>(value - value % size); 22 return static_cast<T>(value - value % size);
23} 23}
24 24
25template <typename T> 25template <typename T>
26constexpr T AlignBits(T value, std::size_t align) { 26[[nodiscard]] constexpr T AlignBits(T value, std::size_t align) {
27 static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); 27 static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
28 return static_cast<T>((value + ((1ULL << align) - 1)) >> align << align); 28 return static_cast<T>((value + ((1ULL << align) - 1)) >> align << align);
29} 29}
30 30
31template <typename T> 31template <typename T>
32constexpr bool Is4KBAligned(T value) { 32[[nodiscard]] constexpr bool Is4KBAligned(T value) {
33 static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); 33 static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
34 return (value & 0xFFF) == 0; 34 return (value & 0xFFF) == 0;
35} 35}
36 36
37template <typename T> 37template <typename T>
38constexpr bool IsWordAligned(T value) { 38[[nodiscard]] constexpr bool IsWordAligned(T value) {
39 static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); 39 static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
40 return (value & 0b11) == 0; 40 return (value & 0b11) == 0;
41} 41}
42 42
43template <typename T> 43template <typename T>
44constexpr bool IsAligned(T value, std::size_t alignment) { 44[[nodiscard]] constexpr bool IsAligned(T value, std::size_t alignment) {
45 using U = typename std::make_unsigned<T>::type; 45 using U = typename std::make_unsigned<T>::type;
46 const U mask = static_cast<U>(alignment - 1); 46 const U mask = static_cast<U>(alignment - 1);
47 return (value & mask) == 0; 47 return (value & mask) == 0;
@@ -64,7 +64,7 @@ public:
64 template <typename T2> 64 template <typename T2>
65 constexpr AlignmentAllocator(const AlignmentAllocator<T2, Align>&) noexcept {} 65 constexpr AlignmentAllocator(const AlignmentAllocator<T2, Align>&) noexcept {}
66 66
67 T* allocate(size_type n) { 67 [[nodiscard]] T* allocate(size_type n) {
68 return static_cast<T*>(::operator new (n * sizeof(T), std::align_val_t{Align})); 68 return static_cast<T*>(::operator new (n * sizeof(T), std::align_val_t{Align}));
69 } 69 }
70 70