summaryrefslogtreecommitdiffstats
path: root/web/api/queries/stddev
diff options
context:
space:
mode:
Diffstat (limited to 'web/api/queries/stddev')
-rw-r--r--web/api/queries/stddev/stddev.c42
-rw-r--r--web/api/queries/stddev/stddev.h12
2 files changed, 27 insertions, 27 deletions
diff --git a/web/api/queries/stddev/stddev.c b/web/api/queries/stddev/stddev.c
index ffe7a47c0..92a67b42d 100644
--- a/web/api/queries/stddev/stddev.c
+++ b/web/api/queries/stddev/stddev.c
@@ -11,11 +11,11 @@
struct grouping_stddev {
long count;
- calculated_number m_oldM, m_newM, m_oldS, m_newS;
+ NETDATA_DOUBLE m_oldM, m_newM, m_oldS, m_newS;
};
-void grouping_create_stddev(RRDR *r) {
- r->internal.grouping_data = callocz(1, sizeof(struct grouping_stddev));
+void grouping_create_stddev(RRDR *r, const char *options __maybe_unused) {
+ r->internal.grouping_data = onewayalloc_callocz(r->internal.owa, 1, sizeof(struct grouping_stddev));
}
// resets when switches dimensions
@@ -26,11 +26,11 @@ void grouping_reset_stddev(RRDR *r) {
}
void grouping_free_stddev(RRDR *r) {
- freez(r->internal.grouping_data);
+ onewayalloc_freez(r->internal.owa, r->internal.grouping_data);
r->internal.grouping_data = NULL;
}
-void grouping_add_stddev(RRDR *r, calculated_number value) {
+void grouping_add_stddev(RRDR *r, NETDATA_DOUBLE value) {
struct grouping_stddev *g = (struct grouping_stddev *)r->internal.grouping_data;
g->count++;
@@ -50,26 +50,26 @@ void grouping_add_stddev(RRDR *r, calculated_number value) {
}
}
-static inline calculated_number mean(struct grouping_stddev *g) {
+static inline NETDATA_DOUBLE mean(struct grouping_stddev *g) {
return (g->count > 0) ? g->m_newM : 0.0;
}
-static inline calculated_number variance(struct grouping_stddev *g) {
- return ( (g->count > 1) ? g->m_newS/(g->count - 1) : 0.0 );
+static inline NETDATA_DOUBLE variance(struct grouping_stddev *g) {
+ return ( (g->count > 1) ? g->m_newS/(NETDATA_DOUBLE)(g->count - 1) : 0.0 );
}
-static inline calculated_number stddev(struct grouping_stddev *g) {
- return sqrtl(variance(g));
+static inline NETDATA_DOUBLE stddev(struct grouping_stddev *g) {
+ return sqrtndd(variance(g));
}
-calculated_number grouping_flush_stddev(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) {
+NETDATA_DOUBLE grouping_flush_stddev(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) {
struct grouping_stddev *g = (struct grouping_stddev *)r->internal.grouping_data;
- calculated_number value;
+ NETDATA_DOUBLE value;
if(likely(g->count > 1)) {
value = stddev(g);
- if(!calculated_number_isnumber(value)) {
+ if(!netdata_double_isnumber(value)) {
value = 0.0;
*rrdr_value_options_ptr |= RRDR_VALUE_EMPTY;
}
@@ -88,16 +88,16 @@ calculated_number grouping_flush_stddev(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_op
}
// https://en.wikipedia.org/wiki/Coefficient_of_variation
-calculated_number grouping_flush_coefficient_of_variation(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) {
+NETDATA_DOUBLE grouping_flush_coefficient_of_variation(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) {
struct grouping_stddev *g = (struct grouping_stddev *)r->internal.grouping_data;
- calculated_number value;
+ NETDATA_DOUBLE value;
if(likely(g->count > 1)) {
- calculated_number m = mean(g);
+ NETDATA_DOUBLE m = mean(g);
value = 100.0 * stddev(g) / ((m < 0)? -m : m);
- if(unlikely(!calculated_number_isnumber(value))) {
+ if(unlikely(!netdata_double_isnumber(value))) {
value = 0.0;
*rrdr_value_options_ptr |= RRDR_VALUE_EMPTY;
}
@@ -121,10 +121,10 @@ calculated_number grouping_flush_coefficient_of_variation(RRDR *r, RRDR_VALUE_FL
/*
* Mean = average
*
-calculated_number grouping_flush_mean(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) {
+NETDATA_DOUBLE grouping_flush_mean(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) {
struct grouping_stddev *g = (struct grouping_stddev *)r->internal.grouping_data;
- calculated_number value;
+ NETDATA_DOUBLE value;
if(unlikely(!g->count)) {
value = 0.0;
@@ -148,10 +148,10 @@ calculated_number grouping_flush_mean(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_opti
/*
* It is not advised to use this version of variance directly
*
-calculated_number grouping_flush_variance(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) {
+NETDATA_DOUBLE grouping_flush_variance(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr) {
struct grouping_stddev *g = (struct grouping_stddev *)r->internal.grouping_data;
- calculated_number value;
+ NETDATA_DOUBLE value;
if(unlikely(!g->count)) {
value = 0.0;
diff --git a/web/api/queries/stddev/stddev.h b/web/api/queries/stddev/stddev.h
index ab58fbe50..c5c91f88d 100644
--- a/web/api/queries/stddev/stddev.h
+++ b/web/api/queries/stddev/stddev.h
@@ -6,13 +6,13 @@
#include "../query.h"
#include "../rrdr.h"
-extern void grouping_create_stddev(RRDR *r);
+extern void grouping_create_stddev(RRDR *r, const char *options __maybe_unused);
extern void grouping_reset_stddev(RRDR *r);
extern void grouping_free_stddev(RRDR *r);
-extern void grouping_add_stddev(RRDR *r, calculated_number value);
-extern calculated_number grouping_flush_stddev(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr);
-extern calculated_number grouping_flush_coefficient_of_variation(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr);
-// extern calculated_number grouping_flush_mean(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr);
-// extern calculated_number grouping_flush_variance(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr);
+extern void grouping_add_stddev(RRDR *r, NETDATA_DOUBLE value);
+extern NETDATA_DOUBLE grouping_flush_stddev(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr);
+extern NETDATA_DOUBLE grouping_flush_coefficient_of_variation(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr);
+// extern NETDATA_DOUBLE grouping_flush_mean(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr);
+// extern NETDATA_DOUBLE grouping_flush_variance(RRDR *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr);
#endif //NETDATA_API_QUERIES_STDDEV_H