package com.zhgd.xmgl.util;

import cn.hutool.core.util.NumberUtil;
import lombok.experimental.UtilityClass;

@UtilityClass
public class NumberUtils {
    /**
     * 除以
     *
     * @param b1
     * @param b2
     * @param scale
     * @return
     */
    public Double div(Double b1, Double b2, Integer scale) {
        if (b1 == null || b2 == null || b2.equals(0D)) {
            return 0D;
        }
        return NumberUtil.round(b1 / b2, scale).doubleValue();
    }

}