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# FFTSetup

An opaque type that contains setup information for a single-precision FFT transform.

```
typealias FFTSetup = OpaquePointer
```

## Discussion

Call the <doc://com.apple.documentation/documentation/kernel/1580009-vdsp_create_fftsetup> function to create a setup structure, and calll <doc://com.apple.documentation/documentation/kernel/1579978-vdsp_destroy_fftsetup> to deallocate a setup structure.

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