07-Jan-2022 20:07:42

FFT_SERIAL_TEST:
  MATLAB/Octave version 9.8.0.1380330 (R2020a) Update 2
  Test fft_serial()
07-Jan-2022 20:07:42

FFT_SERIAL
  MATLAB/Octave version 9.8.0.1380330 (R2020a) Update 2

  Demonstrate an implementation of the Fast Fourier Transform
  of a complex data vector.

  Accuracy check:

    FFT ( FFT ( X(1:N) ) ) == N * X(1:N)

             N      NITS    Error         Time          Time/Call     MFLOPS

             2     10000  0.000000e+00  7.229000e-02  3.614500e-06  2.766634e+00
             4     10000  8.326673e-17  1.559950e-01  7.799750e-06  5.128369e+00
             8     10000  1.019805e-16  2.430080e-01  1.215040e-05  9.876218e+00
            16     10000  1.140177e-16  4.511350e-01  2.255675e-05  1.418644e+01
            32      1000  1.045522e-16  8.229900e-02  4.114950e-05  1.944131e+01
            64      1000  1.418766e-16  1.750870e-01  8.754350e-05  2.193195e+01
           128      1000  1.848529e-16  4.365340e-01  2.182670e-04  2.052532e+01
           256      1000  1.799002e-16  6.954380e-01  3.477190e-04  2.944907e+01
           512       100  2.485417e-16  1.253570e-01  6.267850e-04  3.675902e+01
          1024       100  2.215421e-16  2.406510e-01  1.203255e-03  4.255125e+01

FFT_SERIAL:
  Normal end of execution.

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FFT_SERIAL_TEST:
  Normal end of execution.

07-Jan-2022 20:07:45