@ssports_fe/ssutils/divide.js

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/**
 * @file 解决浮动运算问题，避免小数点后产生多位数和计算精度损失。
 * 问题示例：2.3 + 2.4 = 4.699999999999999，1.0 - 0.9 = 0.09999999999999998
 * @date 2018-03-01
 * @author sunshaocheng
 */

/**
 * 精确除法
 */
const divide = (num1, num2) => {
    const num1Changed = Number(num1.toString().replace('.', ''));
    const num2Changed = Number(num2.toString().replace('.', ''));
    return times((num1Changed / num2Changed), Math.pow(10, digitLength(num2) - digitLength(num1)));
};

module.exports = divide;