MacArthur, Ian (SELEX) (UK) wrote:
> awake_ring_head_ = (awake_ring_head_ + 1) & (AWAKE_RING_SIZE - 1);
Maybe I'm missing something, but surely a mod (%) would be better:
awake_ring_head_ = (++awake_ring_head_) % AWAKE_RING_SIZE;
No power of 2 restriction (which is a bomb just waiting to go off).
Integer divides are low overhead, and gets rid of the -1.
The only restriction is that AWAKE_RING_SIZE never be zero ;)
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