1 files changed, 0 insertions, 138 deletions
diff --git a/web/api/queries/des/des.h b/web/api/queries/des/des.h
deleted file mode 100644
index 3153d497..00000000
--- a/web/api/queries/des/des.h
+++ /dev/null
@@ -1,138 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#ifndef NETDATA_API_QUERIES_DES_H
-#define NETDATA_API_QUERIES_DES_H
-
-#include "../query.h"
-#include "../rrdr.h"
-
-struct tg_des {
-    NETDATA_DOUBLE alpha;
-    NETDATA_DOUBLE alpha_other;
-    NETDATA_DOUBLE beta;
-    NETDATA_DOUBLE beta_other;
-
-    NETDATA_DOUBLE level;
-    NETDATA_DOUBLE trend;
-
-    size_t count;
-};
-
-static size_t tg_des_max_window_size = 15;
-
-static inline void tg_des_init(void) {
-    long long ret = config_get_number(CONFIG_SECTION_WEB, "des max tg_des_window", (long long)tg_des_max_window_size);
-    if(ret <= 1) {
-        config_set_number(CONFIG_SECTION_WEB, "des max tg_des_window", (long long)tg_des_max_window_size);
-    }
-    else {
-        tg_des_max_window_size = (size_t) ret;
-    }
-}
-
-static inline NETDATA_DOUBLE tg_des_window(RRDR *r, struct tg_des *g) {
-    (void)g;
-
-    NETDATA_DOUBLE points;
-    if(r->view.group == 1) {
-        // provide a running DES
-        points = (NETDATA_DOUBLE)r->time_grouping.points_wanted;
-    }
-    else {
-        // provide a SES with flush points
-        points = (NETDATA_DOUBLE)r->view.group;
-    }
-
-    // https://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average
-    // A commonly used value for alpha is 2 / (N + 1)
-    return (points > (NETDATA_DOUBLE)tg_des_max_window_size) ? (NETDATA_DOUBLE)tg_des_max_window_size : points;
-}
-
-static inline void tg_des_set_alpha(RRDR *r, struct tg_des *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 / (tg_des_window(r, g) + 1.0);
-    g->alpha_other = 1.0 - g->alpha;
-
-    //info("alpha for chart '%s' is " CALCULATED_NUMBER_FORMAT, r->st->name, g->alpha);
-}
-
-static inline void tg_des_set_beta(RRDR *r, struct tg_des *g) {
-    // https://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average
-    // A commonly used value for alpha is 2 / (N + 1)
-
-    g->beta = 2.0 / (tg_des_window(r, g) + 1.0);
-    g->beta_other = 1.0 - g->beta;
-
-    //info("beta for chart '%s' is " CALCULATED_NUMBER_FORMAT, r->st->name, g->beta);
-}
-
-static inline void tg_des_create(RRDR *r, const char *options __maybe_unused) {
-    struct tg_des *g = (struct tg_des *)onewayalloc_mallocz(r->internal.owa, sizeof(struct tg_des));
-    tg_des_set_alpha(r, g);
-    tg_des_set_beta(r, g);
-    g->level = 0.0;
-    g->trend = 0.0;
-    g->count = 0;
-    r->time_grouping.data = g;
-}
-
-// resets when switches dimensions
-// so, clear everything to restart
-static inline void tg_des_reset(RRDR *r) {
-    struct tg_des *g = (struct tg_des *)r->time_grouping.data;
-    g->level = 0.0;
-    g->trend = 0.0;
-    g->count = 0;
-
-    // fprintf(stderr, "\nDES: ");
-
-}
-
-static inline void tg_des_free(RRDR *r) {
-    onewayalloc_freez(r->internal.owa, r->time_grouping.data);
-    r->time_grouping.data = NULL;
-}
-
-static inline void tg_des_add(RRDR *r, NETDATA_DOUBLE value) {
-    struct tg_des *g = (struct tg_des *)r->time_grouping.data;
-
-    if(likely(g->count > 0)) {
-        // we have at least a number so far
-
-        if(unlikely(g->count == 1)) {
-            // the second value we got
-            g->trend = value - g->trend;
-            g->level = value;
-        }
-
-        // for the values, except the first
-        NETDATA_DOUBLE last_level = g->level;
-        g->level = (g->alpha * value) + (g->alpha_other * (g->level + g->trend));
-        g->trend = (g->beta * (g->level - last_level)) + (g->beta_other * g->trend);
-    }
-    else {
-        // the first value we got
-        g->level = g->trend = value;
-    }
-
-    g->count++;
-
-    //fprintf(stderr, "value: " CALCULATED_NUMBER_FORMAT ", level: " CALCULATED_NUMBER_FORMAT ", trend: " CALCULATED_NUMBER_FORMAT "\n", value, g->level, g->trend);
-}
-
-static inline NETDATA_DOUBLE tg_des_flush(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) {
-    struct tg_des *g = (struct tg_des *)r->time_grouping.data;
-
-    if(unlikely(!g->count || !netdata_double_isnumber(g->level))) {
-        *rrdr_value_options_ptr |= RRDR_VALUE_EMPTY;
-        return 0.0;
-    }
-
-    //fprintf(stderr, " RESULT for %zu values = " CALCULATED_NUMBER_FORMAT " \n", g->count, g->level);
-
-    return g->level;
-}
-
-#endif //NETDATA_API_QUERIES_DES_H