| [Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] | 
Check whether a value is positive infinity.
Source position: syshelph.inc line 228
public class function TSingleHelper.IsPositiveInfinity(  | 
const AValue: Single  | 
):Boolean; overload;  | 
IsPositiveInfinity checks whether a single-sized floating point value represents a positive infinity. If so, it returns True. When the class function version is used, the value can be specified using AValue. In the method version, the used value is (Self).
  | 
Check whether a value equals NaN.  | 
|
  | 
Check whether a value is negative infinity.  | 
|
  | 
Check whether a value is positive or negative infinity.  |