---
title: "BNNS.PoolingType.maxEx(indicesDescriptor:xDilationStride:yDilationStride:)"
framework: accelerate
role: symbol
role_heading: Case
path: "accelerate/bnns/poolingtype/maxex(indicesdescriptor:xdilationstride:ydilationstride:)"
---

# BNNS.PoolingType.maxEx(indicesDescriptor:xDilationStride:yDilationStride:)

## Declaration

```swift
case maxEx(indicesDescriptor: BNNSNDArrayDescriptor? = nil, xDilationStride: Int = 0, yDilationStride: Int = 0)
```