Method lessThan

lib/java/util/Arrays.java:1518–1544

(double double1, double double2)

    }

    private static boolean lessThan(double double1, double double2) {
        // A slightly specialized version of
        // Double.compare(double1, double2) < 0.

        // Non-zero and non-NaN checking.
        if (double1 < double2) {
            return true;
        }
        if (double1 > double2) {
            return false;
        }
        if (double1 == double2 && 0.0d != double1) {
            return false;
        }

        // NaNs are equal to other NaNs and larger than any other double.
        if (Double.isNaN(double1)) {
            return false;
        } else if (Double.isNaN(double2)) {
            return true;
        }

        // Deal with +0.0 and -0.0.
        long d1 = Double.doubleToRawLongBits(double1);
        long d2 = Double.doubleToRawLongBits(double2);
        return d1 < d2;
    }

    private static boolean isSame(float float1, float float2) {
        // Simple case