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Problem of the SPRC081 FFT library

Other Parts Discussed in Thread: TMS320F28335

Dear champs,

 When I utilize TI's FFT library(SPRC081) for our application, I found there is something stange of the result of "split" function.

 As document says that the result of "split" function can separate the Real part and Imaginary part. But I found the result is just opposite.

 That is:

    Real part = -1 * Imaginary part

    Imaginary part = Real part

 

Did anyone face the same problme?

Any idea is welcome.

 

Warm regards,

George