import Big, { BigSource } from "big.js";
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/**
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* 浮点运算
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*/
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const floatHelper = {
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/**
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* 加法
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* @param nums
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* @returns
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*/
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plus(...nums: BigSource[]): number {
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let all = new Big(0);
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nums.forEach((v) => {
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all = all.plus(new Big(v));
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});
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return all.toNumber();
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},
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/**
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* 减法
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* @param nums
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* @returns
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*/
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min(...nums: BigSource[]): number {
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let all = new Big(0);
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nums.forEach((v, index) => {
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if (index === 0) {
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all = new Big(v);
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} else {
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all = all.minus(new Big(v));
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}
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});
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return all.toNumber();
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},
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/**
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* 乘法
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* @param nums
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* @returns
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*/
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tim(...nums: BigSource[]): number {
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let all = new Big(0);
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nums.forEach((v, index) => {
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if (index === 0) {
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all = new Big(v);
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} else {
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all = all.times(new Big(v));
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}
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});
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return all.toNumber();
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},
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/**
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* 除法
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* @param nums
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* @returns
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*/
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div(...nums: BigSource[]): number {
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let all = new Big(0);
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nums.forEach((v, index) => {
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if (index === 0) {
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all = new Big(v);
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} else {
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all = all.div(new Big(v));
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}
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});
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return all.toNumber();
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},
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/**
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* 取余数
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* @param num1
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* @param num2
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* @returns
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*/
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mod(num1: BigSource, num2: BigSource): number {
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return new Big(num1).mod(new Big(num2)).toNumber();
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},
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/**
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* 取绝对值
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* @param num
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* @returns
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*/
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abs(num: BigSource): number {
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return new Big(num).abs().toNumber();
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},
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/**
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* 补全小数点位数
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* @param num
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* @param point
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* @returns
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*/
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fix(num: BigSource, point: number): string {
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return new Big(num).toFixed(point);
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}
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};
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export default floatHelper;
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