Functions and Directives Functions and Directives

Function Abs() Foundation

Determines the absolute value of a numeric expression.

Syntax
Abs( <nExpression> ) --> nPositive
Parameters
<nExpression>
<nExpression> is a numeric expression whose absolute value is determined.
Return

The return value of Abs() is a number >= 0 which represents the absolute value of <nExpression>.

Description

The numeric function Abs() always returns a numeric value as a positive number regardless of its sign.

Examples
Abs() 
// The example shows results of the function Abs() 

PROCEDURE Main 
   nValue1 := 200 
   nValue2 := 500 
   ? nValue1 - nValue2              // result: -300 

   ? Abs( nValue1 - nValue2 )       // result:  300 
   ? Abs( nValue2 - nValue1 )       // result:  300 

   ? Abs( -500 )                    // result:  500 
   ? Abs( 0 )                       // result:   0 
RETURN
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