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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef NETDATA_API_QUERY_MAX_H
#define NETDATA_API_QUERY_MAX_H
#include "../query.h"
#include "../rrdr.h"
struct tg_max {
NETDATA_DOUBLE max;
size_t count;
};
static inline void tg_max_create(RRDR *r, const char *options __maybe_unused) {
r->time_grouping.data = onewayalloc_callocz(r->internal.owa, 1, sizeof(struct tg_max));
}
// resets when switches dimensions
// so, clear everything to restart
static inline void tg_max_reset(RRDR *r) {
struct tg_max *g = (struct tg_max *)r->time_grouping.data;
g->max = 0;
g->count = 0;
}
static inline void tg_max_free(RRDR *r) {
onewayalloc_freez(r->internal.owa, r->time_grouping.data);
r->time_grouping.data = NULL;
}
static inline void tg_max_add(RRDR *r, NETDATA_DOUBLE value) {
struct tg_max *g = (struct tg_max *)r->time_grouping.data;
if(!g->count || fabsndd(value) > fabsndd(g->max)) {
g->max = value;
g->count++;
}
}
static inline NETDATA_DOUBLE tg_max_flush(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) {
struct tg_max *g = (struct tg_max *)r->time_grouping.data;
NETDATA_DOUBLE value;
if(unlikely(!g->count)) {
value = 0.0;
*rrdr_value_options_ptr |= RRDR_VALUE_EMPTY;
}
else {
value = g->max;
}
g->max = 0.0;
g->count = 0;
return value;
}
#endif //NETDATA_API_QUERY_MAX_H
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