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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2018-11-07 12:22:44 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2018-11-07 12:22:44 +0000 |
| commit | 1e6c93250172946eeb38e94a92a1fd12c9d3011e (patch) | |
| tree | 8ca5e16dfc7ad6b3bf2738ca0a48408a950f8f7e /libnetdata/statistical/statistical.h | |
| parent | Update watch file (diff) | |
| download | netdata-1e6c93250172946eeb38e94a92a1fd12c9d3011e.tar.xz netdata-1e6c93250172946eeb38e94a92a1fd12c9d3011e.zip | |
Merging upstream version 1.11.0+dfsg.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libnetdata/statistical/statistical.h')
| -rw-r--r-- | libnetdata/statistical/statistical.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/libnetdata/statistical/statistical.h b/libnetdata/statistical/statistical.h new file mode 100644 index 000000000..586c6b34a --- /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 |