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authorJannik Vogel <email@jannikvogel.de>2016-03-11 16:15:36 +0100
committerJannik Vogel <email@jannikvogel.de>2016-03-13 04:54:23 +0100
commita66c186e81ba88b8ce5a9ef041e3839454dd70ab (patch)
tree22939821529744351ef1fa1eb11b87c146774b48 /src/common
parentMerge pull request #1506 from lioncash/enum (diff)
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Diffstat (limited to 'src/common')
-rw-r--r--src/common/CMakeLists.txt1
-rw-r--r--src/common/alignment.h22
2 files changed, 23 insertions, 0 deletions
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index 959084cdf..1c9be718f 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -22,6 +22,7 @@ set(SRCS
)
set(HEADERS
+ alignment.h
assert.h
bit_field.h
bit_set.h
diff --git a/src/common/alignment.h b/src/common/alignment.h
new file mode 100644
index 000000000..b77da4a92
--- /dev/null
+++ b/src/common/alignment.h
@@ -0,0 +1,22 @@
+// 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>::value, "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>::value, "T must be an unsigned value.");
+ return static_cast<T>(value - value % size);
+}
+
+} // namespace Common