13.3.0 Abs

Abs

Declaration:: Function Abs (X : Every numerical type) : Every numerical type;
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:: Round (561)

Listing: refex/ex1.pp

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.

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