package com.moral.monitor.util;

import java.math.BigDecimal;

/**
 * Created by a on 2017/7/20.
 */
public class Round {

    public  static double digit(double num, int digit) {
        BigDecimal y = new BigDecimal(num);
        double b = y.setScale(digit, BigDecimal.ROUND_HALF_UP).doubleValue();
        double c = b - (int) b;
        if (c == 0) {
            return b;
        } else {
            return b;
        }
    }
}