---
title: BiquadFunctions
framework: accelerate
role: symbol
role_heading: Associated Type
path: accelerate/vdsp_floatingpointbiquadfilterable/biquadfunctions
---

# BiquadFunctions

## Declaration

```swift
associatedtype BiquadFunctions : vDSP_BiquadFunctions where Self == Self.BiquadFunctions.Scalar
```