public void Should_correctly_calculate_coefficients_for_even_numbered_order()
{
var target = new BandStopFilterFunction();
var expected = new float[]
{
-0.0370804667f,
-0.03840339f,
-0.0394493565f,
-0.04020569f,
-0.0406632f,
0.9591837f,
-0.0406632f,
-0.04020569f,
-0.0394493565f,
-0.03840339f,
-0.0370804667f
};
var actual = target.CalculateCoefficients(10, 100f, 1000f, 44100);
CollectionAssert.AreEqual(expected, actual, new FloatComparer());
}
public void Should_throw_if_upper_cutoff_frequency_is_negative()
{
var target = new BandStopFilterFunction();
target.CalculateCoefficients(1, 1f, -1f, 1);
}
public void Should_throw_if_sample_rate_is_negative()
{
var target = new BandStopFilterFunction();
target.CalculateCoefficients(1, 1f, 1f, -1);
}
public void Should_throw_if_filter_order_is_negative()
{
var target = new BandStopFilterFunction();
target.CalculateCoefficients(-1, 1f, 1f, 1);
}