1 #ifndef FIO_POW2_H 2 #define FIO_POW2_H 3 4 #include <inttypes.h> 5 #include "types.h" 6 is_power_of_2(uint64_t val)7 static inline bool is_power_of_2(uint64_t val) 8 { 9 return (val != 0 && ((val & (val - 1)) == 0)); 10 } 11 12 #endif 13