/** * Same as {@link #weightedAverageSorted(double, double, double, double)} but flips * the order of the variables if <code>x2</code> is greater than * <code>x1</code>. */ static double weightedAverage(double x1, double w1, double x2, double w2) { if (x1 <= x2) { return weightedAverageSorted(x1, w1, x2, w2); } else { return weightedAverageSorted(x2, w2, x1, w1); } }