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OUTPUT Data structure of rFFT in VCU2 of 28377d help!

guodong cao
Prodigy 90 points

hi everybody！

There is a promble perplex me for a long time,for the example of FFT calculate which in the controlsuit named " 2837x_vcu2_rfft_256" .

i don not know the output data structure, and is this example for "int" only? 

i am using this example to calculate THD ,SO I need the amplitude of Each frequency ,but the result of FFT CAN NOT be uesd directly,

so how can i deal with the output data for THD  calculate , IF Anyone know or ever used this example ,please tell me .......

thanks for share ! thanks a lot.