public void DCTIVTestFloat()
{
Span <float> array = stackalloc float[2048];
for (int i = 0; i < array.Length; i++)
{
array[i] = (float)Math.Sin(2.0 * Math.PI * i / array.Length);
}
Span <float> copy = stackalloc float[array.Length];
array.CopyTo(copy);
DiscreteCosineTransformation.PerformIV(array);
DiscreteCosineTransformation.PerformInverseIV(array);
for (int i = 0; i < array.Length; i++)
{
Assert.AreEqual(copy[i], array[i], -1.0 / short.MinValue);
}
}
public void DCTIVTestDouble()
{
Span <double> array = stackalloc double[2048];
for (int i = 0; i < array.Length; i++)
{
array[i] = Math.Sin(2.0 * Math.PI * i / array.Length);
}
Span <double> copy = stackalloc double[array.Length];
array.CopyTo(copy);
DiscreteCosineTransformation.PerformIV(array);
DiscreteCosineTransformation.PerformInverseIV(array);
for (int i = 0; i < array.Length; i++)
{
Assert.AreEqual(copy[i], array[i], -1.0 / int.MinValue);
}
}