public static double round(double value, int scale) {
		
		if (scale < 0) {
			throw new IllegalArgumentException(
					"The scale must be a positive integer or zero");
		}
		
		BigDecimal b = new BigDecimal(Double.toString(value));
		BigDecimal one = new BigDecimal("1");
		
		return b.divide(one, scale, BigDecimal.ROUND_HALF_UP).doubleValue();
	}

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