Searched refs:prev_1st_differential (Results 1 – 1 of 1) sorted by relevance
301 entropy_sample_t prev_1st_differential = samples[1] - samples[0]; in entropy_filter() local306 entropy_sample_t curr_2nd_differential = curr_1st_differential - prev_1st_differential; in entropy_filter()313 prev_1st_differential = curr_1st_differential; in entropy_filter()