---
title: "init(type:mem:apply:)"
framework: accelerate
role: symbol
role_heading: Initializer
path: "accelerate/sparseopaquepreconditioner_complex_double/init(type:mem:apply:)"
---

# init(type:mem:apply:)

## Declaration

```swift
init(type: SparsePreconditioner_t, mem: UnsafeMutableRawPointer, apply: (UnsafeMutableRawPointer, CBLAS_TRANSPOSE, DenseMatrix_Complex_Double, DenseMatrix_Complex_Double) -> Void)
```