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-rw-r--r--src/statistical.h28
1 files changed, 14 insertions, 14 deletions
diff --git a/src/statistical.h b/src/statistical.h
index 844e579bb..675389021 100644
--- a/src/statistical.h
+++ b/src/statistical.h
@@ -1,19 +1,19 @@
#ifndef NETDATA_STATISTICAL_H
#define NETDATA_STATISTICAL_H
-extern long double average(long double *series, size_t entries);
-extern long double moving_average(long double *series, size_t entries, size_t period);
-extern long double median(long double *series, size_t entries);
-extern long double moving_median(long double *series, size_t entries, size_t period);
-extern long double running_median_estimate(long double *series, size_t entries);
-extern long double standard_deviation(long double *series, size_t entries);
-extern long double single_exponential_smoothing(long double *series, size_t entries, long double alpha);
-extern long double double_exponential_smoothing(long double *series, size_t entries, long double alpha, long double beta, long double *forecast);
-extern long double holtwinters(long double *series, size_t entries, long double alpha, long double beta, long double gamma, long double *forecast);
-extern long double sum_and_count(long double *series, size_t entries, size_t *count);
-extern long double sum(long double *series, size_t entries);
-extern long double median_on_sorted_series(long double *series, size_t entries);
-extern long double *copy_series(long double *series, size_t entries);
-extern void sort_series(long double *series, size_t entries);
+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 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