System.SysUtils.TExtendedHelper.Epsilon
Delphi
Epsilon:Extended = {$IFDEF EXTENDEDHAS10BYTES} 3.64519953188247460253e-4951 {$ELSE} 4.9406564584124654418e-324 {$ENDIF};
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| field | public | System.SysUtils.pas | System.SysUtils | TExtendedHelper |
Description
Epsilon represents the minimum positive nonzero value for a Extended variable.
If the size of Extended is 10 bytes, the minimum positive value of an Extended variable is about 3.645e-4951, and the hexadecimal representation is $00000000000000000001.
If the size of Extended is 8 bytes, TExtendedHelper is the alias of TDoubleHelper, and the minimum positive value of an Extended variable is 4.94e-324, and the hexadecimal representation is $0000000000000001.
The value of Epsilon is the same as that of MinExtended.