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Update reported RMS offset quickly on start

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This commit is contained in:
Miroslav Lichvar
2012-02-08 14:24:42 +01:00
parent 19b3c5be26
commit d6842301dd
1 changed files with 8 additions and 2 deletions
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10
reference.c
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@@ -57,6 +57,7 @@ static double max_update_skew;
static double last_offset;
static double avg2_offset;
static int avg2_moving;
static double correction_time_ratio;
@@ -709,10 +710,15 @@ REF_SetReference(int stratum,
last_ref_update_interval = update_interval;
last_offset = our_offset;
if (avg2_offset > 0.0)
/* Update the moving average of squares of offset, quickly on start */
if (avg2_moving) {
avg2_offset += 0.1 * (our_offset * our_offset - avg2_offset);
else
} else {
if (avg2_offset > 0.0 && avg2_offset < our_offset * our_offset)
avg2_moving = 1;
avg2_offset = our_offset * our_offset;
}
/* And now set the freq and offset to zero */
our_frequency = 0.0;