diff options
Diffstat (limited to 'src/storage_number.h')
-rwxr-xr-x | src/storage_number.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/storage_number.h b/src/storage_number.h new file mode 100755 index 000000000..f35e99ddd --- /dev/null +++ b/src/storage_number.h @@ -0,0 +1,52 @@ +#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" +*/ + +typedef int32_t storage_number; +typedef uint32_t ustorage_number; +#define STORAGE_NUMBER_FORMAT "%d" + +#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))) + +// 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 */ |