You will have to compare it too fixed point FFT. That is the reason it does't match with MATLAB. You might need to ifnd a fixed point FFT version somewhere on net or may be use fixxed point MATLAB toolbox (not sure about the name)
Saumil
>From: darmanugraha@yahoo.com
>Reply-To: cores@opencores.org
>To: cores@opencores.org
>Subject: [oc] help for how to read the output of FFT radix4
>Date: Mon, 7 Jul 2003 09:08:13 -0100
>
>Please, the output of complex FFT radix4 is 4 bit reverse order , but
>how i compare the result with matlab? because the result have a lot of
>differenties.
>
>Looking forward for your reply
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