---
title: variant
framework: accelerate
role: symbol
role_heading: Instance Property
path: accelerate/sparsegmresoptions/variant
---

# variant

The exact variant of GMRES to implement.

## Declaration

```swift
var variant: SparseGMRESVariant_t
```

## See Also

### Inspecting GMRES Options

- [atol](accelerate/sparsegmresoptions/atol.md)
- [maxIterations](accelerate/sparsegmresoptions/maxiterations.md)
- [nvec](accelerate/sparsegmresoptions/nvec.md)
- [reportError](accelerate/sparsegmresoptions/reporterror.md)
- [reportStatus](accelerate/sparsegmresoptions/reportstatus.md)
- [rtol](accelerate/sparsegmresoptions/rtol.md)
- [SparseGMRESVariant_t](accelerate/sparsegmresvariant_t.md)