From 8d4f58e49b9dc7d3545651023a36729de773ad86 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:22:31 +0200 Subject: Adding upstream version 1.12.0. Signed-off-by: Daniel Baumann --- libnetdata/statistical/statistical.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 libnetdata/statistical/statistical.h (limited to 'libnetdata/statistical/statistical.h') diff --git a/libnetdata/statistical/statistical.h b/libnetdata/statistical/statistical.h new file mode 100644 index 0000000..586c6b3 --- /dev/null +++ b/libnetdata/statistical/statistical.h @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef NETDATA_STATISTICAL_H +#define NETDATA_STATISTICAL_H 1 + +#include "../libnetdata.h" + +#ifndef isnormal +#define isnormal(x) (fpclassify(x) == FP_NORMAL) +#endif + +extern void log_series_to_stderr(LONG_DOUBLE *series, size_t entries, calculated_number result, const char *msg); + +extern LONG_DOUBLE average(const LONG_DOUBLE *series, size_t entries); +extern LONG_DOUBLE moving_average(const LONG_DOUBLE *series, size_t entries, size_t period); +extern LONG_DOUBLE median(const LONG_DOUBLE *series, size_t entries); +extern LONG_DOUBLE moving_median(const LONG_DOUBLE *series, size_t entries, size_t period); +extern LONG_DOUBLE running_median_estimate(const LONG_DOUBLE *series, size_t entries); +extern LONG_DOUBLE standard_deviation(const LONG_DOUBLE *series, size_t entries); +extern LONG_DOUBLE single_exponential_smoothing(const LONG_DOUBLE *series, size_t entries, LONG_DOUBLE alpha); +extern LONG_DOUBLE single_exponential_smoothing_reverse(const LONG_DOUBLE *series, size_t entries, LONG_DOUBLE alpha); +extern LONG_DOUBLE double_exponential_smoothing(const LONG_DOUBLE *series, size_t entries, LONG_DOUBLE alpha, LONG_DOUBLE beta, LONG_DOUBLE *forecast); +extern LONG_DOUBLE holtwinters(const LONG_DOUBLE *series, size_t entries, LONG_DOUBLE alpha, LONG_DOUBLE beta, LONG_DOUBLE gamma, LONG_DOUBLE *forecast); +extern LONG_DOUBLE sum_and_count(const LONG_DOUBLE *series, size_t entries, size_t *count); +extern LONG_DOUBLE sum(const LONG_DOUBLE *series, size_t entries); +extern LONG_DOUBLE median_on_sorted_series(const LONG_DOUBLE *series, size_t entries); +extern LONG_DOUBLE *copy_series(const LONG_DOUBLE *series, size_t entries); +extern void sort_series(LONG_DOUBLE *series, size_t entries); + +#endif //NETDATA_STATISTICAL_H -- cgit v1.2.3