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# SparseCreatePreconditioner(_:_:)

Creates a preconditioner for the specified matrix of single-precision values.

```
func SparseCreatePreconditioner(_ type: SparsePreconditioner_t, _ A: SparseMatrix_Float) -> SparseOpaquePreconditioner_Float
```

## Parameters

`type`

The type of preconditioner to create.

`A`

The matrix to construct a preconditioner for.

## Return Value

A [`SparseOpaquePreconditioner_Float`](/documentation/Accelerate/SparseOpaquePreconditioner_Float) structure.  You must free the resource through a call to [`SparseCleanup(_:)`](/documentation/Accelerate/SparseCleanup(_:)-45lq7) after you finish with the object.

---

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