diff options
Diffstat (limited to 'lib/igt_stats.c')
| -rw-r--r-- | lib/igt_stats.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/lib/igt_stats.c b/lib/igt_stats.c index 66fd5636..caf3f374 100644 --- a/lib/igt_stats.c +++ b/lib/igt_stats.c @@ -216,7 +216,7 @@ uint64_t igt_stats_get_max(igt_stats_t *stats) * * The range can be a deceiving characterization of the values, because there * can be extreme minimal and maximum values that are just anomalies. Prefer - * the interquatile range or an histogram. + * the interquatile range (see igt_stats_get_iqr()) or an histogram. */ uint64_t igt_stats_get_range(igt_stats_t *stats) { @@ -340,6 +340,22 @@ void igt_stats_get_quartiles(igt_stats_t *stats, } /** + * igt_stats_get_iqr: + * @stats: An #igt_stats_t instance + * + * Retrieves the + * [interquartile range](https://en.wikipedia.org/wiki/Interquartile_range) + * (IQR) of the @stats dataset. + */ +double igt_stats_get_iqr(igt_stats_t *stats) +{ + double q1, q3; + + igt_stats_get_quartiles(stats, &q1, NULL, &q3); + return (q3 - q1); +} + +/** * igt_stats_get_median: * @stats: An #igt_stats_t instance * |