---
title: vDSP_destroy_fftsetup
framework: kernel
role: symbol
role_heading: Function
path: kernel/1579978-vdsp_destroy_fftsetup
---

# vDSP_destroy_fftsetup

Deallocates an existing single-precision FFT setup structure.

## Declaration

```occ
void vDSP_destroy_fftsetup(FFTSetup __setup);
```

## Parameters

- `__setup`: The setup structure to deallocate, previously created by doc://com.apple.documentation/documentation/kernel/1580009-vdsp_create_fftsetup.

## Discussion

Discussion vDSP_destroy_fftsetup frees existing setup data and releases any allocated memory.