js精度丢失问题处理

 1 import { create, all } from ‘math.min.js‘ 
 2 
 3 const config = {  
 4     number: ‘BigNumber‘,
 5     precision: 20,
 6 }
 7 
 8 
 9 //乘
10 function numberRide(arg1, arg2) {
11       return Number(math.format(math.multiply(math.bignumber(arg1), math.bignumber(arg2))))
12     }
13 
14 //除
15 function numberDivide(arg1,arg2) {
16         return Number(math.format(math.divide(math.bignumber(arg1), math.bignumber(arg2))))
17     }   
18 
19 //加
20 function numberAdd(arg1,arg2) {
21         return Number(math.format(math.add(math.bignumber(arg1), math.bignumber(arg2))))
22     }
23  
24 //减
25 numberSubtract(arg1, arg2) {
26       return Number(math.format(math.subtract(math.bignumber(arg1), math.bignumber(arg2))))
27     }