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# BNNS.SparseLayout

Constants that specify standardized sparse layouts that BNNS can convert to opaque.

```
enum SparseLayout
```

## Topics

### Enumeration Cases

[`case coo(indices: BNNSNDArrayDescriptor)`](/documentation/Accelerate/BNNS/SparseLayout/coo(indices:))

The sparse coordinate list (COO) format.

[`case csr(columnIndices: BNNSNDArrayDescriptor, rowStarts: BNNSNDArrayDescriptor)`](/documentation/Accelerate/BNNS/SparseLayout/csr(columnIndices:rowStarts:))

The compressed sparse row (CSR) format.


---

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