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Introduce a macro for the constant 2^41. 

We are going to need this more than once for working with the
cumulativeScaledRateOffset fields.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
master
Richard Cochran 2012-09-04 07:37:10 +02:00
parent 8cc3433b8b
commit 35170cf6e4
1 changed files with 2 additions and 3 deletions
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5
clock.c
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@ -40,6 +40,7 @@
#define FAULT_RESET_SECONDS 15 #define FAULT_RESET_SECONDS 15
#define N_CLOCK_PFD (N_POLLFD + 1) /* one extra per port, for the fault timer */ #define N_CLOCK_PFD (N_POLLFD + 1) /* one extra per port, for the fault timer */
#define MAVE_LENGTH 10 #define MAVE_LENGTH 10
#define POW2_41 ((double)(1ULL << 41))
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
@ -219,9 +220,7 @@ static enum servo_state clock_no_adjust(struct clock *c)
pr_info("master offset %10lld s%d ratio %.9f path delay %10lld", pr_info("master offset %10lld s%d ratio %.9f path delay %10lld",
c->master_offset, state, ratio, c->path_delay); c->master_offset, state, ratio, c->path_delay);
fui = 1.0 + fui = 1.0 + (c->status.cumulativeScaledRateOffset + 0.0) / POW2_41;
(c->status.cumulativeScaledRateOffset + 0.0) /
(1ULL << 41);
pr_debug("peer/local %.9f", c->nrr); pr_debug("peer/local %.9f", c->nrr);
pr_debug("fup_info %.9f", fui); pr_debug("fup_info %.9f", fui);