enable link-time-optimizations by default

[netdata.git] / src / storage_number.h

diff --git a/src/storage_number.h b/src/storage_number.h
old mode 100755 (executable)
new mode 100644 (file)
index 19f275f..74d24a3
--- a/src/storage_number.h
+++ b/src/storage_number.h
@@ -1,5 +1,3 @@
-#include <inttypes.h>
-
 #ifndef NETDATA_STORAGE_NUMBER_H
 #define NETDATA_STORAGE_NUMBER_H
 
@@ -11,11 +9,43 @@ typedef long double calculated_number;
 typedef long long collected_number;
 #define COLLECTED_NUMBER_FORMAT "%lld"
 
-typedef int32_t storage_number;
-typedef uint32_t ustorage_number;
-#define STORAGE_NUMBER_FORMAT "%d"
+/*
+typedef long double collected_number;
+#define COLLECTED_NUMBER_FORMAT "%0.7Lf"
+*/
+
+typedef uint32_t storage_number;
+#define STORAGE_NUMBER_FORMAT "%u"
+
+#define SN_NOT_EXISTS       (0x0 << 24)
+#define SN_EXISTS           (0x1 << 24)
+#define SN_EXISTS_RESET     (0x2 << 24)
+#define SN_EXISTS_UNDEF1    (0x3 << 24)
+#define SN_EXISTS_UNDEF2    (0x4 << 24)
+#define SN_EXISTS_UNDEF3    (0x5 << 24)
+#define SN_EXISTS_UNDEF4    (0x6 << 24)
+
+#define SN_FLAGS_MASK       (~(0x6 << 24))
+
+// extract the flags
+#define get_storage_number_flags(value) ((((storage_number)value) & (1 << 24)) | (((storage_number)value) & (2 << 24)) | (((storage_number)value) & (4 << 24)))
 
-storage_number pack_storage_number(calculated_number value);
+// checks
+#define does_storage_number_exist(value) ((get_storage_number_flags(value) != 0)?1:0)
+#define did_storage_number_reset(value)  ((get_storage_number_flags(value) == SN_EXISTS_RESET)?1:0)
+
+storage_number pack_storage_number(calculated_number value, uint32_t flags);
 calculated_number unpack_storage_number(storage_number value);
 
+int print_calculated_number(char *str, calculated_number value);
+
+#define STORAGE_NUMBER_POSITIVE_MAX 167772150000000.0
+#define STORAGE_NUMBER_POSITIVE_MIN 0.00001
+#define STORAGE_NUMBER_NEGATIVE_MAX -0.00001
+#define STORAGE_NUMBER_NEGATIVE_MIN -167772150000000.0
+
+// accepted accuracy loss
+#define ACCURACY_LOSS 0.0001
+#define accuracy_loss(t1, t2) ((t1 == t2 || t1 == 0.0 || t2 == 0.0) ? 0.0 : (100.0 - ((t1 > t2) ? (t2 * 100.0 / t1 ) : (t1 * 100.0 / t2))))
+
 #endif /* NETDATA_STORAGE_NUMBER_H */