public void InfinityZeroDifference()
{
var diff = JacobianComparison.Difference(double.PositiveInfinity, double.PositiveInfinity);
Assert.Equal(0.0, diff);
diff = JacobianComparison.Difference(double.NegativeInfinity, double.NegativeInfinity);
Assert.Equal(0.0, diff);
diff = JacobianComparison.Difference(double.PositiveInfinity, double.NegativeInfinity);
Assert.NotEqual(0.0, diff);
}
public void DifferenceIsRelativeOutsideZeroVicinity(double x, double y)
{
Assert.Equal(JacobianComparison.Difference(x, y), Math.Abs(x - y) / (Math.Abs(x) + Math.Abs(y)));
}
public void DifferenceIsAbsoluteInZeroVicinity(double x, double y)
{
Assert.Equal(JacobianComparison.Difference(x, y), Math.Abs(x - y));
}