---
title: vDSP_biquadm_ResetStateD
framework: Kernel
role: symbol
role_heading: Function
platforms: [macOS 10.10+]
path: kernel/1579935-vdsp_biquadm_resetstated
---

# vDSP_biquadm_ResetStateD

Resets the filter state of a double-precision multichannel biquad IIR filter object.

## Declaration

```occ
void vDSP_biquadm_ResetStateD(vDSP_biquadm_SetupD __setup);
```

## Parameters

- `__setup`: The filter state object whose state you wish to reset.