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| author | Reinhard Panhuber <[email protected]> | 2022-03-19 13:37:54 +0100 |
|---|---|---|
| committer | Reinhard Panhuber <[email protected]> | 2022-03-19 13:37:54 +0100 |
| commit | fdfde8883ff6d929f44706d1fd3ee3cec8702bac (patch) | |
| tree | 09de3d1d7578b0c27447d2d01aa80adab044cc4d /src/common | |
| parent | ceac9d64c07b95d2c34263386e212e5480cda97c (diff) | |
Implement power of two, shift, and float calculation
Diffstat (limited to 'src/common')
| -rw-r--r-- | src/common/tusb_common.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/common/tusb_common.h b/src/common/tusb_common.h index 58591f0be..bcdf8933a 100644 --- a/src/common/tusb_common.h +++ b/src/common/tusb_common.h @@ -149,6 +149,16 @@ static inline uint8_t tu_log2(uint32_t value) return result; } +//static inline uint8_t tu_log2(uint32_t value) +//{ +// return sizeof(uint32_t) * CHAR_BIT - __builtin_clz(x) - 1; +//} + +static inline bool tu_is_power_of_two(uint32_t value) +{ + return (value != 0) && ((value & (value - 1)) == 0); +} + //------------- Unaligned Access -------------// #if TUP_ARCH_STRICT_ALIGN |