diff options
Diffstat (limited to 'src/core/bitmath_func.hpp')
| -rw-r--r-- | src/core/bitmath_func.hpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/core/bitmath_func.hpp b/src/core/bitmath_func.hpp index 31e679b00..fd05aa3f5 100644 --- a/src/core/bitmath_func.hpp +++ b/src/core/bitmath_func.hpp @@ -302,6 +302,7 @@ static inline bool HasAtMostOneBit(T value) template <typename T> static inline T ROL(const T x, const uint8 n) { + if (n == 0) return x; return (T)(x << n | x >> (sizeof(x) * 8 - n)); } @@ -317,6 +318,7 @@ static inline T ROL(const T x, const uint8 n) template <typename T> static inline T ROR(const T x, const uint8 n) { + if (n == 0) return x; return (T)(x >> n | x << (sizeof(x) * 8 - n)); } |