public void LbToStringTest() { var exp = new Lb(new Number(5)); Assert.Equal("lb(5)", exp.ToString(commoonFormatter)); }
public void LbDerivativeTest2() { // lb(2x) var num = new Number(2); var x = new Variable("x"); var mul = new Mul(num, x); var exp = new Lb(mul); var deriv = Differentiate(exp); Assert.Equal("(2 * 1) / (2 * x * ln(2))", deriv.ToString()); num.Value = 3; Assert.Equal("lb(3 * x)", exp.ToString()); Assert.Equal("(2 * 1) / (2 * x * ln(2))", deriv.ToString()); }