1 files changed, 0 insertions, 82 deletions
diff --git a/web/api/queries/ses/ses.c b/web/api/queries/ses/ses.c
index 5e94002c..39eb445a 100644
--- a/web/api/queries/ses/ses.c
+++ b/web/api/queries/ses/ses.c
@@ -6,85 +6,3 @@
 // ----------------------------------------------------------------------------
 // single exponential smoothing
 
-struct grouping_ses {
-    NETDATA_DOUBLE alpha;
-    NETDATA_DOUBLE alpha_other;
-    NETDATA_DOUBLE level;
-    size_t count;
-};
-
-static size_t max_window_size = 15;
-
-void grouping_init_ses(void) {
-    long long ret = config_get_number(CONFIG_SECTION_WEB, "ses max window", (long long)max_window_size);
-    if(ret <= 1) {
-        config_set_number(CONFIG_SECTION_WEB, "ses max window", (long long)max_window_size);
-    }
-    else {
-        max_window_size = (size_t) ret;
-    }
-}
-
-static inline NETDATA_DOUBLE window(RRDR *r, struct grouping_ses *g) {
-    (void)g;
-
-    NETDATA_DOUBLE points;
-    if(r->group == 1) {
-        // provide a running DES
-        points = (NETDATA_DOUBLE)r->internal.points_wanted;
-    }
-    else {
-        // provide a SES with flush points
-        points = (NETDATA_DOUBLE)r->group;
-    }
-
-    return (points > (NETDATA_DOUBLE)max_window_size) ? (NETDATA_DOUBLE)max_window_size : points;
-}
-
-static inline void set_alpha(RRDR *r, struct grouping_ses *g) {
-    // https://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average
-    // A commonly used value for alpha is 2 / (N + 1)
-    g->alpha = 2.0 / (window(r, g) + 1.0);
-    g->alpha_other = 1.0 - g->alpha;
-}
-
-void grouping_create_ses(RRDR *r, const char *options __maybe_unused) {
-    struct grouping_ses *g = (struct grouping_ses *)onewayalloc_callocz(r->internal.owa, 1, sizeof(struct grouping_ses));
-    set_alpha(r, g);
-    g->level = 0.0;
-    r->internal.grouping_data = g;
-}
-
-// resets when switches dimensions
-// so, clear everything to restart
-void grouping_reset_ses(RRDR *r) {
-    struct grouping_ses *g = (struct grouping_ses *)r->internal.grouping_data;
-    g->level = 0.0;
-    g->count = 0;
-}
-
-void grouping_free_ses(RRDR *r) {
-    onewayalloc_freez(r->internal.owa, r->internal.grouping_data);
-    r->internal.grouping_data = NULL;
-}
-
-void grouping_add_ses(RRDR *r, NETDATA_DOUBLE value) {
-    struct grouping_ses *g = (struct grouping_ses *)r->internal.grouping_data;
-
-    if(unlikely(!g->count))
-        g->level = value;
-
-    g->level = g->alpha * value + g->alpha_other * g->level;
-    g->count++;
-}
-
-NETDATA_DOUBLE grouping_flush_ses(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) {
-    struct grouping_ses *g = (struct grouping_ses *)r->internal.grouping_data;
-
-    if(unlikely(!g->count || !netdata_double_isnumber(g->level))) {
-        *rrdr_value_options_ptr |= RRDR_VALUE_EMPTY;
-        return 0.0;
-    }
-
-    return g->level;
-}