public void multiply(string number)
{
BigNumberFacilitator result = new BigNumberFacilitator("0");
for (int idx = number.Length, offset = 0; --idx != -1; ++offset)
{
int digit = number[idx] - '0';
string product;
switch (digit)
{
case 0:
product = "0";
break;
case 1:
product = d_number;
break;
default:
product = multiplyNumber(d_number, digit, 0,
d_number.Length - 1);
break;
}
if (product != "0")
{
product = appendZeros(product, offset);
}
result.add(product);
}
d_number = result.getNumber();
}
static private string hexToDec(string hex)
{
BigNumberFacilitator factor = new BigNumberFacilitator("1");
BigNumberFacilitator result = new BigNumberFacilitator("0");
while (hex.Length != 0)
{
int num = hexToInt(hex[hex.Length - 1]);
hex = hex.Remove(hex.Length - 1);
BigNumberFacilitator temp =
new BigNumberFacilitator(num.ToString());
temp.multiply(factor.getNumber());
result.add(temp.getNumber());
factor.multiply("16");
}
return(result.getNumber());
}