//Метод возведения в степень
private Complex Power(string s)
{
Complex element;
string el = "";
foreach (char ch in s)
{
if (ch == '^')
{
break;
}
el += ch;
}
if (Char.IsLetter(el[0]))
{
element = arg;
}
else
{
element = Complex.ToComplex(el);
}
if (s.Length - el.Length > 0)
{
element = Complex.Pow(element, Element(s.Substring(el.Length + 1)).Re);
}
return(element);
}
public void OneRootInDegree(double rootx, double rooty, double degree)
{
Complex root = new Complex(rootx, rooty);
ComplexFunc f = (Complex z) => Complex.Pow(z - root, degree);
Complex val = Muller(f, new Complex(0, 1), new Complex(3, 3), new Complex(9, 5), 1e-16);
Assert.IsTrue((root - val).Abs < 1e-2, message: $"Expected {root}, but was {val} (distance = {(root - val).Abs})");
}
//Метод обработки функций и присваивания значения переменной
private Complex Func(string s)
{
Complex element = 0.0;
string el = "";
foreach (char ch in s)
{
if (!Char.IsLetter(ch) || ch == 'i' /*|| ch!='x'*/)
{
break;
}
el += ch;
}
if (!IsFunc(el))
{
element = arg;
}
else
{
if (el == "I")
{
element = Complex.I;
}
else if (el == "pi")
{
element = Math.PI;
}
else
{
var val = Complex.ToComplex(s.Substring(el.Length));
if (el == "sin")
{
element = Complex.Sin(val);
}
if (el == "cos")
{
element = Complex.Cos(val);
}
if (el == "exp")
{
element = Complex.Exp(val);
}
if (el == "ln")
{
element = Complex.Ln(val);
}
if (el == "abs")
{
element = val.Abs;
}
if (el == "sqrt")
{
element = Complex.Sqrt(val);
}
if (el == "sqr")
{
element = Complex.Pow(val, 2);
}
if (el == "cube")
{
element = Complex.Pow(val, 3);
}
if (el == "sh")
{
element = Complex.Sh(val);
}
if (el == "ch")
{
element = Complex.Ch(val);
}
if (el == "Re")
{
element = val.Re;
}
if (el == "Im")
{
element = val.Im;
}
}
}
return(element);
}
