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# SparseGMRESVariant_t

Defines the exact variant of GMRES to implement

```
struct SparseGMRESVariant_t
```

## Topics

### Constants

[`SparseVariantDQGMRES`](/documentation/Accelerate/SparseVariantDQGMRES)

A constant that specifies the DQGMRES variant.

[`SparseVariantFGMRES`](/documentation/Accelerate/SparseVariantFGMRES)

A constant that specifies the flexible GMRES variant.

[`SparseVariantGMRES`](/documentation/Accelerate/SparseVariantGMRES)

A constant that specifies the standard restarted GMRES variant.

### Raw Values

[`init(_:)`](/documentation/Accelerate/SparseGMRESVariant_t/init(_:))

[`init(rawValue:)`](/documentation/Accelerate/SparseGMRESVariant_t/init(rawValue:))

[`rawValue`](/documentation/Accelerate/SparseGMRESVariant_t/rawValue)

## Relationships

### Conforms To

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`Sendable`](/documentation/Swift/Sendable)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

---

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