private static void getStringRepresentation(IntegerNumber x, int base10Digits, StringBuilder result)
{
if (base10Digits <= 18)
{
string value = x.ToLong.ToString();
int diff = value.Length - base10Digits;
if (diff != 0)
{
if (diff < 0)
{
value = "".PadLeft(-diff, '0') + value;
}
else
{
value = value.Remove(0, diff);
}
}
result.Append(value);
return;
}
int secondHalfDigits = (base10Digits + 1) / 2;
IntegerNumber half = IntegerNumber.Pow(10, secondHalfDigits);
IntegerNumber reminder, quotient = IntegerNumber.DivRem(x, half, out reminder);
getStringRepresentation(quotient, base10Digits - secondHalfDigits, result);
getStringRepresentation(reminder, secondHalfDigits, result);
}
public static IntegerNumber operator /(IntegerNumber number1, long number2)
{
long remainder;
IntegerNumber quotient = IntegerNumber.DivRem(number1, number2, out remainder);
return(quotient);
}
public static IntegerNumber operator %(IntegerNumber number1, IntegerNumber number2)
{
IntegerNumber remainder, quotient = IntegerNumber.DivRem(number1, number2, out remainder);
return(remainder);
}