vDSP_DFT_Setup
An opaque type that contains setup information for a single-precision discrete Fourier transform (DFT).
Declaration
typealias vDSP_DFT_Setup = OpaquePointerDiscussion
Call the vDSP_DFT_zop_CreateSetup and vDSP_DFT_zrop_CreateSetup functions to initialize and allocate a new setup object. Call vDSP_DFT_DestroySetup to free the resources associated with a setup object.