public static List <BigAmount> GetBigAmountFromString(string input)
{
var bigAmounts = new List <BigAmount>();
var size = 9;
int level = 1;
var strLength = input.Length - 1;
var done = false;
for (var i = strLength; i >= 0; i--)
{
if (done)
{
break;
}
var bigAmount = new BigAmount()
{
level = level,
};
for (var j = 0; j < size; j++)
{
var currentIndex = strLength - (level - 1) * size - j;
if (currentIndex < 0)
{
done = true;
break;
}
bigAmount.Value = input[currentIndex] + bigAmount.Value;
}
level++;
bigAmounts.Add(bigAmount);
}
return(bigAmounts);
}
public static BigAmount Add(BigAmount bigA, BigAmount bigB)
{
var bigResult = new BigAmount();
var addResult = GetIntValueFromString(bigA.Value) + GetIntValueFromString(bigB.Value);
if (addResult > 1000000000)
{
addResult -= 1000000000;
bigResult.IsAddOne = true;
}
bigResult.Value = addResult.ToString();
bigResult.level = string.IsNullOrEmpty(bigA.Value) ? bigB.level : bigA.level;
return(bigResult);
}