---
title: doWeightedSumByNonZeroWeights
framework: metalperformanceshaders
role: symbol
role_heading: Instance Property
path: metalperformanceshaders/mpsnnreducefeaturechannelsandweightssum/doweightedsumbynonzeroweights
---

# doWeightedSumByNonZeroWeights

## Declaration

```swift
var doWeightedSumByNonZeroWeights: Bool { get }
```