public void TestIntegrate()
{
// Values found with WolframAlpha
double a = -4;
double b = 5;
MathFunction f = Math.Exp;
Assert.Equal(148.39, NumericalTools.Integrate(f, a, b), 2);
a = 1;
b = 2;
f = x => 1 / x;
Assert.Equal(0.69315, NumericalTools.Integrate(f, a, b), 2);
}
