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-rw-r--r--libnetdata/statistical/statistical.h4
1 files changed, 0 insertions, 4 deletions
diff --git a/libnetdata/statistical/statistical.h b/libnetdata/statistical/statistical.h
index 586c6b34a..bbf241ff2 100644
--- a/libnetdata/statistical/statistical.h
+++ b/libnetdata/statistical/statistical.h
@@ -5,10 +5,6 @@
#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);