vDSP_DFTFunctions A protocol that defines functions for discrete Fourier transform operations. Declarationprotocol vDSP_DFTFunctions TopicsAssociated TypesScalarType MethodsdestroySetup(_:)makeDFTSetup(previous:count:direction:transformType:)transform(dftSetup:inputReal:inputImaginary:outputReal:outputImaginary:) RelationshipsConforming TypesvDSP.VectorizableDoublevDSP.VectorizableFloat See AlsoFourier TransformvDSP_FloatingPointDiscreteFourierTransformablevDSP_FourierTransformFunctionsvDSP_FourierTransformablevDSP_DiscreteFourierTransformablevDSP_DiscreteTransformLifecycleFunctions