On Sat, 30 Jun 2007 10:46:20 -0700, David Brownell <david-b@xxxxxxxxxxx> wrote: > > The compiler will optimize "1000000000 / 2 / spi->max_speed_hz" into > > "500000000 / spi->max_speed_hz", so it can be treat as one "/", no? > > Sure it's deterministic. But that doesn't prevent me from > needing a double-take to figure what it does ... it's best > to avoid confusing idioms in code. At the very least, put > parentheses there ... OK, I will use parentheses while I think 1000000000 is important part. Well, maybe NSEC_PER_SEC would be better. --- Atsushi Nemoto