//asin(x) = ln( x + (x*x +1)^1/2)
public static Complex asinh(object x)
{
Complex num = GetComplexNum(x);
if (num.IsZero())
{
// preserve -0.0 imag component
return(MathUtils.MakeImaginary(num.Imaginary()));
}
Complex recip = 1 / num;
return(log(num) + log(1 + sqrt(recip * recip + 1)));
}
//ln(re^iO) = ln(r) + iO
public static Complex log(object x)
{
Complex num = GetComplexNum(x);
if (num.IsZero())
{
throw PythonOps.ValueError("math domain error");
}
double r, theta;
r = num.Abs();
theta = GetAngle(num);
return(new Complex(Math.Log(r), theta));
}
