public void FourierDefaultTransformIsReversible32()
{
var samples = Generate.RandomComplex32(0x7FFF, GetUniform(1));
var work = new Complex32[samples.Length];
samples.CopyTo(work, 0);
Fourier.Forward(work);
Assert.IsFalse(work.ListAlmostEqual(samples, 6));
Fourier.Inverse(work);
AssertHelpers.AlmostEqual(samples, work, 10);
Fourier.Inverse(work, FourierOptions.Default);
Assert.IsFalse(work.ListAlmostEqual(samples, 6));
Fourier.Forward(work, FourierOptions.Default);
AssertHelpers.AlmostEqual(samples, work, 10);
}
public void FourierRadix2IsReversible32(FourierOptions options)
{
var samples = Generate.RandomComplex32(0x8000, GetUniform(1));
var work = new Complex32[samples.Length];
samples.CopyTo(work, 0);
Fourier.Forward(work, options);
Assert.IsFalse(work.ListAlmostEqual(samples, 6));
Fourier.Inverse(work, options);
AssertHelpers.AlmostEqual(samples, work, 12);
}
public void ReferenceDftIsReversible32(FourierOptions options)
{
var samples = Generate.RandomComplex32(0x80, GetUniform(1));
var work = new Complex32[samples.Length];
samples.CopyTo(work, 0);
ReferenceDiscreteFourierTransform.Forward(work, options);
Assert.IsFalse(work.ListAlmostEqual(samples, 6));
ReferenceDiscreteFourierTransform.Inverse(work, options);
AssertHelpers.AlmostEqual(samples, work, 11);
}
