Searched refs:ds_m2 (Results 1 – 1 of 1) sorted by relevance
148 double ds_m2; /* Sum of squared deviations */ member903 ds->ds_m2 += delta * ((double)depth - ds->ds_mean); in update_depth_stats()911 return (sqrt(ds->ds_m2 / (double)(ds->ds_samples - 1))); in depth_stdev()