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Diffstat (limited to '')
| -rw-r--r-- | libnetdata/statistical/statistical.h (renamed from src/statistical.h) | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/statistical.h b/libnetdata/statistical/statistical.h index 675389021..586c6b34a 100644 --- a/src/statistical.h +++ b/libnetdata/statistical/statistical.h @@ -1,5 +1,15 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + #ifndef NETDATA_STATISTICAL_H -#define 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); @@ -8,6 +18,7 @@ extern LONG_DOUBLE moving_median(const LONG_DOUBLE *series, size_t entries, size 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); |