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    Abs

    Calculate absolute value.

    Declaration

    Source position: systemh.inc line 1012

    function Abs(l: LongInt) : LongInt;

    function Abs(l: Int64) : Int64;

    function Abs(d: ValReal) : ValReal;

    Description

    Abs returns the absolute value of a variable. The result of the function has the same type as its argument, which can be any numerical type.

    Errors

    None.

    See also

    Name Description
    Round Round floating point value to nearest integer number.

    Example

    Program Example1;

{ Program to demonstrate the Abs function. }

Var
  r : real;
  i : integer;

begin
  r:=abs(-1.0);   { r:=1.0 }
  i:=abs(-21);    { i:=21 }
end.