Function qt_core::q_next_power_of_two_u64

pub unsafe fn q_next_power_of_two_u64(v: u64) -> u64

This function returns the nearest power of two greater than value. For 0 it returns 1, and for values larger than or equal to 2^63 it returns 0.

Calls C++ function: quint64 qNextPowerOfTwo(quint64 v).

C++ documentation:

This function returns the nearest power of two greater than value. For 0 it returns 1, and for values larger than or equal to 2^63 it returns 0.

This function was introduced in Qt 5.4.