public void LaguerreRootsFindingTest(params double[] nums)
{
//arrange
double TOL = 10E-7;
CPolynomial poly = FromArray(nums);
//action
Complex[] roots = CPolynomial.LaguerreRoots(poly);
//assert
for (int i = 0; i < roots.Length; i++)
{
Complex p = poly.Evaluate(roots[i]);
Complex.Abs(p).Should().BeLessOrEqualTo(TOL);
}
}