Abs
Calculates the absolute value of a number, converting all numbers
to a positive value and placing that in the property identified
by the attribute result.
Required Attributes
op1
first operand of the arithmetic operation.
result
property name of where to store the result of the
arithmetic operation.
Usage Examples
Example #1
<abs op1="${prop1}" result="result" />
Example #2
<abs op1="${prop1}" result="prop1" />