SAMPLES
for (changed = 0, i = 0; i < SAMPLES; ++i) {
SAMPLES(pdata->watermark));
HPP__PRINT_FNS("Samples", samples, SAMPLES),
struct sample samples[SAMPLES];
for (i = 0; i < SAMPLES; i++) {
regress(samples, SAMPLES, &intercept, &slope, &stddev1, &max1);
regress(samples, SAMPLES / 2, &intercept, &slope, &stddev1, &max1);
regress(samples + SAMPLES / 2, SAMPLES / 2, &intercept, &slope,