From 1b8997b3f89f5c7632782d2e7f8509a0f8176891 Mon Sep 17 00:00:00 2001 From: Damien Lespiau Date: Sat, 27 Jun 2015 15:33:58 +0100 Subject: stats: Add support for quartiles (and thus median) More stuff, quite useful characteristics of a dataset. Signed-off-by: Damien Lespiau --- lib/igt_stats.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'lib/igt_stats.h') diff --git a/lib/igt_stats.h b/lib/igt_stats.h index 46437c48..887fa79c 100644 --- a/lib/igt_stats.h +++ b/lib/igt_stats.h @@ -41,8 +41,10 @@ typedef struct { unsigned int capacity; unsigned int is_population : 1; unsigned int mean_variance_valid : 1; + unsigned int sorted_array_valid : 1; uint64_t min, max; double mean, variance; + uint64_t *sorted; } igt_stats_t; void igt_stats_init(igt_stats_t *stats, unsigned int capacity); @@ -55,7 +57,10 @@ void igt_stats_push_array(igt_stats_t *stats, uint64_t igt_stats_get_min(igt_stats_t *stats); uint64_t igt_stats_get_max(igt_stats_t *stats); uint64_t igt_stats_get_range(igt_stats_t *stats); +void igt_stats_get_quartiles(igt_stats_t *stats, + double *q1, double *q2, double *q3); double igt_stats_get_mean(igt_stats_t *stats); +double igt_stats_get_median(igt_stats_t *stats); double igt_stats_get_variance(igt_stats_t *stats); double igt_stats_get_std_deviation(igt_stats_t *stats); -- cgit v1.2.3