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TMS320F28388D: Regarding Real FFT functions provided by TI

Ninad Kale
Prodigy 120 points

Part Number: TMS320F28388D

Hi, 

I am using Ti FFT functions to calculate FFT of data. In FFT magnitude, I am getting value as +inf at a few indexes.  

Can I assume values at those indexes to be zero?

if not then how should I process these magnitude data to make it compatible with further mathematical processing

thank you