public void FromRootsTest()
{
//arrange
double TOL = 10E-10;
Complex[] roots = new Complex[] { 3, 0, 158.3, 13, 8 };
//action
CPolynomial poly = CPolynomial.FromRoots(roots);
//assert
for (int i = 0; i < roots.Length; i++)
{
Complex p = poly.Evaluate(roots[i]);
Complex.Abs(p).Should().BeLessThan(TOL);
}
}
public override object Evaluate()
{
IList <Complex> roots = SubExpression.EvaluateAsComplexVector();
return(new CMatrix(CPolynomial.FromRoots(roots).ToArray()));
}