---
title: SparseSubfactorInvalid
framework: accelerate
role: symbol
role_heading: Global Variable
path: accelerate/sparsesubfactorinvalid
---

# SparseSubfactorInvalid

An invalid subfactor that indicates the requested type is incompatible with the supplied factorization or the system has destroyed it.

## Declaration

```swift
var SparseSubfactorInvalid: SparseSubfactor_t { get }
```

## See Also

### Constants

- [SparseSubfactorP](accelerate/sparsesubfactorp.md)
- [SparseSubfactorS](accelerate/sparsesubfactors.md)
- [SparseSubfactorL](accelerate/sparsesubfactorl.md)
- [SparseSubfactorD](accelerate/sparsesubfactord.md)
- [SparseSubfactorPLPS](accelerate/sparsesubfactorplps.md)
- [SparseSubfactorQ](accelerate/sparsesubfactorq.md)
- [SparseSubfactorR](accelerate/sparsesubfactorr.md)
- [SparseSubfactorRP](accelerate/sparsesubfactorrp.md)
- [SparseSubfactorSc](accelerate/sparsesubfactorsc.md)
- [SparseSubfactorSr](accelerate/sparsesubfactorsr.md)