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    Sign

    Return sign of argument.

    Declaration

    Source position: math.pp line 298

    function Sign(const AValue: Integer) : TValueSign;  overload; overload;

    function Sign(const AValue: Int64) : TValueSign;  overload; overload;

    function Sign(const AValue: Single) : TValueSign;  overload; overload;

    function Sign(const AValue: Double) : TValueSign;  overload; overload;

    function Sign(const AValue: Extended) : TValueSign;  overload; overload;

    Description

    Sign returns the sign of it's argument, which can be an Integer, 64 bit integer, or a double. The returned value is an integer which is -1, 0 or 1, and can be used to do further calculations with.