Within

Evaluates if value is within range of a specified tolerance value. The value itself can be any numeric value while the tolerance can be any of the following representations:

               5%      - op1 is within 5% of op2
               [5,20]% - op1 can be lower than op2 by 5% or can be higher than 
                         op2 by upto 20%
              
               10      - op1 can be lower than op2 by 10x

Required Attributes

op1

Identifies the first operand of a conditional tag.

op2

Identifies the second operand of a conditional tag.

tolerance

Usage Examples

Example #1

<if>
   <within op1="${average}" op2="${value}" tolerance="[5,10]%" />
   <then>
      <log>parameters within tolerance</log>
   </then>
   <else>
      <fail>The average value is more than -5,+10% off from previous value</fail>
   </else>
</if>

Example #2

<if>
   <within op1="${average}" op2="${value}" tolerance="5%" />
   <else>
      <fail>The average value is more than 5% off from previous value</fail>
   </else>
</if>