code: public static double distanceWithDivision(double[] pointA, double dA,
  			double[] pointB) {
  		return Math.sqrt(distanceWithDivisionSquared(pointA, dA, pointB));
  	}
docs: Calculates the Euclidean distance of the first point divided by a scalar and
  another second point.
  
  @param pointA
  first point
  @param dA
  scalar
  @param pointB
  second point
  @return the Euclidean distance