diff options
| -rw-r--r-- | cmds/installd/otapreopt.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/cmds/installd/otapreopt.cpp b/cmds/installd/otapreopt.cpp index 96d8c47a8a..7291ef3afa 100644 --- a/cmds/installd/otapreopt.cpp +++ b/cmds/installd/otapreopt.cpp @@ -88,6 +88,12 @@ static_assert(DEXOPT_MASK == (0x1dfe | DEXOPT_IDLE_BACKGROUND_JOB), "DEXOPT_MASK unexpected."); +template<typename T> +static constexpr bool IsPowerOfTwo(T x) { + static_assert(std::is_integral<T>::value, "T must be integral"); + // TODO: assert unsigned. There is currently many uses with signed values. + return (x & (x - 1)) == 0; +} template<typename T> static constexpr T RoundDown(T x, typename std::decay<T>::type n) { |