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Fixed-point vs Floating-Point FFT for C6678

murad qahwash
Genius 3770 points

I am working on replacing the fixed point FFT (DSP_fft32x32) with a single precision (SP) one (DSPF_sp_fftSPxSP)

 I am using C6678 and DSP Library (dsplib_c66x_3_1_0_0). I used the following routine to generate the twiddle factors for the fixed-point:

gen_twiddle_fft32x32

I can't find one for the SP...can I use the same twiddle factors for the SP?

Regards,

Murad