vDSP_DFT_Direction An enumeration that specifies whether to perform a forward or inverse DFT. Declarationenum vDSP_DFT_Direction TopicsConstantsvDSP_DFT_Direction.FORWARDvDSP_DFT_Direction.INVERSEInitializersinit(rawValue:) RelationshipsConforms ToBitwiseCopyableEquatableHashableRawRepresentableSendableSendableMetatype