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Remove SST_DoUpdateRegression

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The function is not used anywhere and it requires weights to be stored
sourcestats.
This commit is contained in:
Miroslav Lichvar 2010-08-06 14:36:56 +02:00
parent cb28aeeacc
commit 100f732e20
2 changed files with 0 additions and 39 deletions
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2
sources.c
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@ -891,8 +891,6 @@ SRC_ReloadSources(void)
LOG(LOGS_WARN, LOGF_Sources, "Could not open dump file %s", filename); LOG(LOGS_WARN, LOGF_Sources, "Could not open dump file %s", filename);
} else { } else {
if (SST_LoadFromFile(sources[i]->stats, in)) { if (SST_LoadFromFile(sources[i]->stats, in)) {
/* We might want to use SST_DoUpdateRegression here, but we
need to check it has the same functionality */
SST_DoNewRegression(sources[i]->stats); SST_DoNewRegression(sources[i]->stats);
} else { } else {
LOG(LOGS_WARN, LOGF_Sources, "Problem loading from file %s", filename); LOG(LOGS_WARN, LOGF_Sources, "Problem loading from file %s", filename);

37
sourcestats.c
View file

@ -468,43 +468,6 @@ SST_DoNewRegression(SST_Stats inst)
} }
/* ================================================== */
/* This function does a simple regression on what is in the register,
without trying to optimise the error bounds on the frequency by
deleting old samples */
void
SST_DoUpdateRegression(SST_Stats inst)
{
double times_back[MAX_SAMPLES];
double freq_error_bound;
double est_intercept, est_slope, est_var_base, est_intercept_sd, est_slope_sd;
convert_to_intervals(inst, times_back);
if (inst->n_samples >= 3) { /* Otherwise, we're wasting our time - we
can't do a useful linear regression
with less than 3 points */
RGR_WeightedRegression(times_back, inst->offsets, inst->weights,
inst->n_samples,
&est_intercept, &est_slope, &est_var_base,
&est_intercept_sd, &est_slope_sd);
freq_error_bound = est_slope_sd * RGR_GetTCoef(inst->n_samples - 2);
inst->estimated_frequency = est_slope;
inst->skew = freq_error_bound;
} else {
inst->estimated_frequency = 0.0;
inst->skew = WORST_CASE_FREQ_BOUND;
}
find_best_sample_index(inst, times_back);
}
/* ================================================== */ /* ================================================== */
void void