public void FunctionTest()
{
Quadratic target = new Quadratic(0);
double[] x = new double[] { 1, 1 };
double[] y = new double[] { 1, 1 };
double expected = System.Math.Pow(x.InnerProduct(y), 2);
double actual = target.Function(x, y);
Assert.AreEqual(expected, actual);
x = new double[] { 0.5, 2.0 };
y = new double[] { 1.3, -0.2 };
expected = 0.0625;
actual = target.Function(x, y);
Assert.AreEqual(expected, actual);
target = new Quadratic(4.2);
x = new double[] { 9.4, 22.1 };
y = new double[] { -6.21, 4 };
expected = System.Math.Pow(x.InnerProduct(y) + 4.2, 2);
actual = target.Function(x, y);
Assert.AreEqual(expected, actual, 0.0001);
}
