public void TrapezoidalLineIntegrationTest()
{
List <Sample> readings = new List <Sample>();
for (int i = 0; i < 1001; ++i)
{
readings.Add(new Sample(i, i));
}
IIntegratingModule target = new TrapezoidalIntegratingModule();
Assert.AreEqual(target.Integrate(readings, 0, 1000), 500000.0);
}
public void TrapezoidalParabolaIntegrationTest()
{
List <Sample> readings = new List <Sample>();
for (int i = 0; i < 1001; ++i)
{
readings.Add(new Sample((-i * (i - 1000)), i));
}
IIntegratingModule target = new TrapezoidalIntegratingModule();
double epsilon = 200;
double expected = 500000000.0 / 3.0;
double result = target.Integrate(readings, 0, 1000);
Assert.IsTrue(Math.Abs(result - expected) < epsilon);
}