public void ArcTan(uint multiplicand, uint reciprocal)
{
var x = new BigNumber(this.maxDigits, multiplicand);
x.Divide(reciprocal);
reciprocal *= reciprocal;
Assign(x);
var term = new BigNumber(this.maxDigits);
var divisor = 1u;
var subtractTerm = true;
while (true)
{
x.Divide(reciprocal);
term.Assign(x);
divisor += 2;
term.Divide(divisor);
if (term.IsZero())
{
break;
}
if (subtractTerm)
{
Subtract(term);
}
else
{
Add(term);
}
subtractTerm = !subtractTerm;
}
}
public string Print()
{
var temp = new BigNumber(this.maxDigits);
temp.Assign(this);
var sb = new StringBuilder();
sb.Append(temp.number[0]);
sb.Append(CultureInfo.CurrentCulture.NumberFormat.CurrencyDecimalSeparator);
var digitCount = 0;
while (digitCount < this.maxDigits)
{
temp.number[0] = 0;
temp.Multiply(100000);
sb.AppendFormat("{0:D5}", temp.number[0]);
digitCount += 5;
}
return sb.ToString();
}
