updated the logic for ZeroErrorHandling #295

Author: Karthik K

src/main/java/edu/ie3/util/quantities/QuantityUtil.java

@@ -134,9 +134,10 @@ public static <Q extends Quantity<Q>> boolean isEquivalentRel(Quantity<Q> a, Qua
    * of both quantities' value with regard to <i>{@code a}</i>'s value. Both quantities are
    * converted into <i>{@code a}</i>'s unit before the comparison.
    *
-   * A special case for handling zero values is introduced:-
-   * If {@code a} is 0 and {@code b} is also 0, the quantities are considered equivalent then returns true.
-   * If {@code a} is 0 and {@code b} is not 0, the quantities are considered not equivalent then returns false.
+   * <p>A special case for handling zero values is introduced:- If {@code a} is 0 and {@code b} is
+   * also 0, the quantities are considered equivalent then returns true. If {@code a} is 0 and
+   * {@code b} is not 0, the quantities are considered not equivalent then returns false.
+   *
    * @param a First quantity to compare
    * @param b Second quantity to compare
    * @param relQuantityTolerance Permissible relative tolerance
@@ -150,7 +151,7 @@ public static <Q extends Quantity<Q>> boolean isEquivalentRel(
     double bVal = b.to(a.getUnit()).getValue().doubleValue();
 
     if (aVal == 0.0) {
-    return bVal == 0.0;
+      return bVal == 0.0;
     }
 
     return (Math.abs(aVal - bVal) / Math.abs(aVal)) <= relQuantityTolerance;