n is a power of 2 ?
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/* Returns true if n is a power of 2 */
static inline int
is_power_of_2(uint32_t n)
{
return ((n-1) & n) == 0;
}
static inline int
is_power_of_2(uint32_t n)
{
return ((n-1) & n) == 0;
}
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