TExtendedHelper.IsNegativeInfinity

Check whether a value is negative infinity.

Declaration

Source position: syshelph.inc line 358

public 
  class function IsNegativeInfinity(const AValue: Extended) : Boolean
                                   ;  Overload;  Static;
  function IsNegativeInfinity : Boolean;  Overload;

Description

IsNegativeInfinity checks whether a Extended-sized floating point value represents a negative 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

Name Description
TExtendedHelper.IsInfinity Check whether a value is positive or negative infinity.
TExtendedHelper.IsNan Check whether a value equals NaN.
TExtendedHelper.IsPositiveInfinity Check whether a value is positive infinity.