Type Alias

FFTSetup

An opaque type that contains setup information for a given FFT transform.

Declaration

typedef struct OpaqueFFTSetup *FFTSetup;

Discussion

A setup object can be allocated with vDSP_create_fftsetup and destroyed with vDSP_destroy_fftsetup. The setup object includes, among other things, precomputed tables used in computing an FFT of the specified size.