ADSP BF 548 Exponential FFT

Dear sir

I am using ADSP BF 548 eval board, i need to perform Exponential FFT for the samples collected from ADC.I checked in the DSP manual for the available function,but i didnt find for exponential FFT function, could you please suggest us if there is any function for performing the Exponential FFT function.

Best regards

Amar TR

SLN Technologies