from fft_8_decimation_in_frequency import FFT8DecimationInFrequency N = 8 scale = 0 fft8DecimationInFrequency = FFT8DecimationInFrequency(N, scale) x = range(8) fft_val = fft8DecimationInFrequency.fft(x) dft_val = fft8DecimationInFrequency.dft(x) print x print "fft ", fft_val print "dft ", dft_val