|Execute fixed point FFT|
|Choose "Start without debugging" in Debug menu.
Then FftFixed project starts. Please choose "Read input and trigonometric" in FFT menu. If you don't have Visual Studio 2008, use Exe file in Debug directory.
The input wave (FixedIn.txt) and trigonometric function (FixedTri.txt) are read and drawn. The magnitude of input is 32, as to trigonometric, it's 524,288.
Choose "FFT execution" in FFT menu.
See the spectrum has a peak at 6000Hz.