60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
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#include "average.h"
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// ----------------------------------------------------------------------------
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// average
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struct grouping_average {
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NETDATA_DOUBLE sum;
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size_t count;
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};
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void grouping_create_average(RRDR *r, const char *options __maybe_unused) {
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r->internal.grouping_data = callocz(1, sizeof(struct grouping_average));
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}
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// resets when switches dimensions
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// so, clear everything to restart
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void grouping_reset_average(RRDR *r) {
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struct grouping_average *g = (struct grouping_average *)r->internal.grouping_data;
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g->sum = 0;
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g->count = 0;
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}
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void grouping_free_average(RRDR *r) {
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freez(r->internal.grouping_data);
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r->internal.grouping_data = NULL;
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}
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void grouping_add_average(RRDR *r, NETDATA_DOUBLE value) {
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struct grouping_average *g = (struct grouping_average *)r->internal.grouping_data;
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g->sum += value;
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g->count++;
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}
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NETDATA_DOUBLE grouping_flush_average(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) {
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struct grouping_average *g = (struct grouping_average *)r->internal.grouping_data;
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NETDATA_DOUBLE value;
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if(unlikely(!g->count)) {
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value = 0.0;
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*rrdr_value_options_ptr |= RRDR_VALUE_EMPTY;
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}
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else {
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if(unlikely(r->internal.resampling_group != 1)) {
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if (unlikely(r->result_options & RRDR_RESULT_OPTION_VARIABLE_STEP))
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value = g->sum / g->count / r->internal.resampling_divisor;
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else
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value = g->sum / r->internal.resampling_divisor;
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} else
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value = g->sum / g->count;
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}
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g->sum = 0.0;
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g->count = 0;
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return value;
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}
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