---
title: "SparseRetain(_:)"
framework: accelerate
role: symbol
role_heading: Function
path: "accelerate/sparseretain(_:)-6mr6d"
---

# SparseRetain(_:)

Increases the reference count on a single-precision subfactor object.

## Declaration

```swift
func SparseRetain(_ Subfactor: SparseOpaqueSubfactor_Float) -> SparseOpaqueSubfactor_Float
```

## Parameters

- `Subfactor`: The subfactor object to increase the reference count upon.

## Return Value

Return Value The supplied numeric subfactor object.

## See Also

### Resource Retention

- [SparseRetain(_:)](accelerate/sparseretain(_:)-8r2dm.md)
- [SparseRetain(_:)](accelerate/sparseretain(_:)-8943y.md)
- [SparseRetain(_:)](accelerate/sparseretain(_:)-7onhr.md)
- [SparseRetain(_:)](accelerate/sparseretain(_:)-2pmdl.md)
- [SparseRetain(_:)](accelerate/sparseretain(_:)-5sahb.md)
- [SparseRetain(_:)](accelerate/sparseretain(_:)-6pp40.md)
- [SparseRetain(_:)](accelerate/sparseretain(_:)-92857.md)
- [SparseRetain(_:)](accelerate/sparseretain(_:)-92v4w.md)