using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Converter_we : MonoBehaviour
{
    public static string BintoSng(string num){
        string sign, exponent, fraction, con_fra;
        int con_exp;
        double fra_up, fra_down;
        if(num.Length==32){
            sign=num.Substring(0,1);
            exponent = num.Substring(1, 8);
            if(exponent!="11111111"){
                fraction = "1" + num.Substring(9);
                con_exp = Convert.ToInt32(exponent, 2) - 127;
                if(con_exp >= 0){
                    fra_up = FBinToSng(fraction.Substring(0, con_exp + 1));
                    fra_down = DBinToSng(fraction.Substring(con_exp + 1));
                }else{
                    fraction = ("1" + num.Substring(9)).PadLeft(24 + Math.Abs(con_exp), '0');
                    fra_up = FBinToSng(fraction.Substring(0, 1));
                    fra_down = DBinToSng(fraction.Substring(1));
                }
                con_fra = String.Format("{0:###,##0.#}",fra_up + fra_down);
            }else{
                con_fra = "NaN";
            }
            return con_fra;
        }else{
            return "輸入資料有誤";
        }
    }
    private static double DBinToSng(string num){
        int i,s;
        double dceStr=0f;
        s=num.Length;
        //Debug.Log("s=="+s);
        //Debug.Log(num);
        for(i=1;i<=s;i++){
            dceStr += double.Parse(num.Substring(i-1,1)) * Math.Pow(2f,-i);
        }
        //Debug.Log(dceStr);
        return dceStr;

    }
    private static double FBinToSng(string num){
        int i,s;
        double dceStr=0f;
        s=num.Length;
        for(i=1;i<=s;i++){
            dceStr += double.Parse(num.Substring(i-1,1)) * Math.Pow(2f,s-i);
        }
        return dceStr;
    }
    public static string Powercon(int num1,int num2,int num3,int num4){
        double ans1 = num1 * Math.Pow(65534,3) * 1e-9;
        double ans2 = num2 * Math.Pow(65534,2) * 1e-9;
        double ans3 = num3 * 65534 * 1e-9;
        double ans4 = num4 * 1e-9;
        double answer = ans1 + ans2 + ans3 + ans4;
        if(answer.ToString().IndexOf("E") != -1){
            int le = answer.ToString().Length;
            string res1 = answer.ToString().Substring(0, 1);
            string res2 = answer.ToString().Substring(2, le - 6);
            string res3 = answer.ToString().Substring(le - 2, 2);
            return  "0." + (res1 + res2).PadLeft(Int32.Parse(res3) + res2.Length, '0');
        }else{
            return  String.Format("{0:###0.##}",answer);
        }
    }
}