public void TestGCD()
{
//throw new NotImplementedException();
string polyString1 = "X^4 + 8*X^3 + 21*X^2 + 22*X + 8"; //"X^4 + 8*X^3 + 21*X^2 + 22*X + 8";
string polyString2 = "X^3 + 6*X^2 + 11*X + 6"; //"X^3 + 6*X^2 + 11*X + 6";
string expected = "X^2 + 3*X + 2"; //"X^2 + 3*X + 2";
MultivariatePolynomial poly1 = MultivariatePolynomial.Parse(polyString1);
MultivariatePolynomial poly2 = MultivariatePolynomial.Parse(polyString2);
MultivariatePolynomial gcd = MultivariatePolynomial.GCD(poly1, poly2);
string actual = gcd.ToString();
TestContext.WriteLine($"Expected: \"{expected}\"; Actual: \"{actual}\"");
Assert.AreEqual(expected, actual, $"Test of: MultivariatePolynomial.GCD({polyString1}, {polyString2});");
}
