[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'sysutils' (#rtl)

TDoubleHelper.IsPositiveInfinity

Check whether a value is positive infinity.

Declaration

Source position: syshelph.inc line 290

public class function TDoubleHelper.IsPositiveInfinity(

  const AValue: Double

):Boolean; overload;

function TDoubleHelper.IsPositiveInfinity: Boolean; overload;

Description

IsPositiveInfinity checks whether a Double-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).

See also

TDoubleHelper.IsNan

  

Check whether a value equals NaN.

TDoubleHelper.IsNegativeInfinity

  

Check whether a value is negative infinity.

TDoubleHelper.IsInfinity

  

Check whether a value is positive or negative infinity.


Documentation generated on: Jun 23 2021