---
title: SparsePreconditionerUser
framework: accelerate
role: symbol
role_heading: Global Variable
path: accelerate/sparsepreconditioneruser
---

# SparsePreconditionerUser

A user-provided preconditioner.

## Declaration

```swift
var SparsePreconditionerUser: SparsePreconditioner_t { get }
```

## See Also

### Constants

- [SparsePreconditionerDiagScaling](accelerate/sparsepreconditionerdiagscaling.md)
- [SparsePreconditionerDiagonal](accelerate/sparsepreconditionerdiagonal.md)
- [SparsePreconditionerNone](accelerate/sparsepreconditionernone.md)