---
title: BNNSPoolingFunctionL2Norm
framework: accelerate
role: symbol
role_heading: Global Variable
path: accelerate/bnnspoolingfunctionl2norm
---

# BNNSPoolingFunctionL2Norm

A function for pooling that computes the square root of the sum of squares of each element in the pooling kernel.

## Declaration

```swift
var BNNSPoolingFunctionL2Norm: BNNSPoolingFunction { get }
```

## See Also

### Raw Values

- [init(_:)](accelerate/bnnspoolingfunction/init(_:).md)
- [init(rawValue:)](accelerate/bnnspoolingfunction/init(rawvalue:).md)
- [rawValue](accelerate/bnnspoolingfunction/rawvalue.md)
- [BNNSPoolingFunctionUnMax](accelerate/bnnspoolingfunctionunmax.md)
- [BNNSPoolingFunctionAverageCountIncludePadding](accelerate/bnnspoolingfunctionaveragecountincludepadding.md)
- [BNNSPoolingFunctionAverageCountExcludePadding](accelerate/bnnspoolingfunctionaveragecountexcludepadding.md)