public void RangeWhenAandBAreOfDifferentSigns()
{
TrapezoidalFunction func = new TrapezoidalFunction(-1.0, 2.0, 1.8, -0.8);
Assert.AreEqual(func.Range(), 3.0);
}
public void RangeWhenAandBArePostive()
{
TrapezoidalFunction func = new TrapezoidalFunction(1.0, 2.0, 1.5, 1.8);
Assert.AreEqual(func.Range(), 1.0);
}
public void RangeWhenAandBAreNegative()
{
TrapezoidalFunction func = new TrapezoidalFunction(-1.0, -2.0, -1.8, -1.2);
Assert.AreEqual(func.Range(), 1.0);
}