blob: 3c1b6bab32c77840a4bac15fca5b4417a8fc268f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
#ifndef NETDATA_STORAGE_NUMBER_H
#define NETDATA_STORAGE_NUMBER_H
typedef long double calculated_number;
#define CALCULATED_NUMBER_FORMAT "%0.7Lf"
//typedef long long calculated_number;
//#define CALCULATED_NUMBER_FORMAT "%lld"
typedef long long collected_number;
#define COLLECTED_NUMBER_FORMAT "%lld"
/*
typedef long double collected_number;
#define COLLECTED_NUMBER_FORMAT "%0.7Lf"
*/
#define calculated_number_llrint(x) llrintl(x)
#define calculated_number_round(x) roundl(x)
#define calculated_number_fabs(x) fabsl(x)
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)))
#define SN_EMPTY_SLOT 0x00000000
// 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 (0.0000001)
#define STORAGE_NUMBER_NEGATIVE_MAX (-0.0000001)
#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 */
|