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Make use of UTI_AdjustTimeval in slew handlers

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This commit is contained in:
Miroslav Lichvar
2010-05-07 15:32:51 +02:00
parent f851e1f90e
commit 40d82675bd
7 changed files with 18 additions and 35 deletions
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14
sourcestats.c
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@@ -635,7 +635,6 @@ void
SST_SlewSamples(SST_Stats inst, struct timeval *when, double dfreq, double doffset)
{
int n, i;
double elapsed;
double delta_time;
struct timeval *sample, prev;
double prev_offset, prev_freq;
@@ -645,13 +644,7 @@ SST_SlewSamples(SST_Stats inst, struct timeval *when, double dfreq, double doffs
for (i=0; i<n; i++) {
sample = &(inst->sample_times[i]);
prev = *sample;
#if 0
UTI_AdjustTimeval(sample, when, sample, dfreq, doffset);
/* Can't easily use this because we need to slew offset */
#endif
UTI_DiffTimevalsToDouble(&elapsed, when, sample);
delta_time = elapsed * dfreq - doffset;
UTI_AddDoubleToTimeval(sample, delta_time, sample);
UTI_AdjustTimeval(sample, when, sample, &delta_time, dfreq, doffset);
prev_offset = inst->offsets[i];
inst->offsets[i] += delta_time;
#ifdef TRACEON
@@ -662,12 +655,11 @@ SST_SlewSamples(SST_Stats inst, struct timeval *when, double dfreq, double doffs
}
/* Do a half-baked update to the regression estimates */
UTI_DiffTimevalsToDouble(&elapsed, when, &(inst->offset_time));
prev = inst->offset_time;
delta_time = elapsed * dfreq - doffset;
UTI_AddDoubleToTimeval(&(inst->offset_time), delta_time, &(inst->offset_time));
prev_offset = inst->estimated_offset;
prev_freq = inst->estimated_frequency;
UTI_AdjustTimeval(&(inst->offset_time), when, &(inst->offset_time),
&delta_time, dfreq, doffset);
inst->estimated_offset += delta_time;
inst->estimated_frequency -= dfreq;