public void TestAmplitudeToComplex()
{
var input = new[] { 1.0, 2, 3 };
var output = Dsp.AmplitudeToComplex(input).ToReadOnlyList();
Complex[] target = { Complex.One, 2, 3 };
FilterAssert.ListsAreEqual(output, target);
Assert.That(Dsp.AmplitudeToComplex(new List <double>()).ToReadOnlyList().Count == 0);
Assert.Throws <ArgumentNullException>(() => Dsp.AmplitudeToComplex(null));
}
public void TestCircularShift()
{
var x = new[] { 1.0, 2, 3, 4, 5, 6, 7, 8 };
var output = Dsp.CircularShift(x, 0).ToReadOnlyList();
FilterAssert.ListsAreEqual(x, output);
output = Dsp.CircularShift(x, -2).ToReadOnlyList();
FilterAssert.ListsAreEqual(new[] { 7, 8, 1.0, 2, 3, 4, 5, 6 }, output);
output = Dsp.CircularShift(x, 2).ToReadOnlyList();
FilterAssert.ListsAreEqual(new[] { 3, 4, 5, 6, 7, 8, 1.0, 2 }, output);
Assert.That(Dsp.CircularShift(new List <double>(), 2).ToReadOnlyList().Count == 0);
Assert.Throws <ArgumentNullException>(() => Dsp.CircularShift <double>(null, 2).ToReadOnlyList());
}
public void TestGenerateSlope()
{
var x = new[] { 1.0, 2, 3, 4, 5, 6, 7, 8 };
var output = Dsp.GenerateSlope(x, 2, 7, -10, 20).ToReadOnlyList();
Assert.That(output.Count == x.Length);
Assert.That(output[0] == -10);
Assert.That(output[output.Count - 1] == 20);
FilterAssert.ListIsMonotonouslyRising(output);
var output2 = Dsp.GenerateSlope(x, 7, 2, 20, -10).ToReadOnlyList();
FilterAssert.ListsAreEqual(output, output2);
Assert.That(Dsp.GenerateSlope(new List <double>(), 2, 7, 10, 20).ToReadOnlyList().Count == 0);
Assert.Throws <ArgumentNullException>(() => Dsp.GenerateSlope(null, 2, 7, 10, 20).ToReadOnlyList());
}