---
title: in1
framework: accelerate
role: symbol
role_heading: Instance Property
path: accelerate/bnnsarithmeticbinary/in1
---

# in1

The descriptor of the first input.

## Declaration

```swift
var in1: BNNSNDArrayDescriptor
```

## See Also

### Inspecting the Properties of an Arithmetic Structure

- [in1_type](accelerate/bnnsarithmeticbinary/in1_type.md)
- [in2](accelerate/bnnsarithmeticbinary/in2.md)
- [in2_type](accelerate/bnnsarithmeticbinary/in2_type.md)
- [out](accelerate/bnnsarithmeticbinary/out.md)
- [out_type](accelerate/bnnsarithmeticbinary/out_type.md)