System.SysUtils.TExtendedHelper.IsNan

• Up to Parent: TExtendedHelper

Delphi

function IsNan: Boolean; overload; inline;
class function IsNan(const Value: Extended): Boolean; overload; inline; static;

Properties

Type	Visibility	Source	Unit	Parent
function	public	System.SysUtils.pas	System.SysUtils	TExtendedHelper

Description

Determines whether the Extended value is a real number.

This method is overloaded:

• Returns False if the Extended Value is defined as a real number.
• Returns False if this Extended number is defined as a real number.

See Also

• System.Extended
• System.SysUtils.TExtendedHelper.NaN