---
title: "vatanhf(_:)"
framework: accelerate
role: symbol
role_heading: Function
path: "accelerate/vatanhf(_:)"
---

# vatanhf(_:)

For each vector element, calculates the inverse hyperbolic tangent of X.

## Declaration

```swift
func vatanhf(_: vFloat) -> vFloat
```

## See Also

### Hyperbolic Functions (from vfp.h)

- [vsinhf(_:)](accelerate/vsinhf(_:).md)
- [vcoshf(_:)](accelerate/vcoshf(_:).md)
- [vtanhf(_:)](accelerate/vtanhf(_:).md)
- [vasinhf(_:)](accelerate/vasinhf(_:).md)
- [vacoshf(_:)](accelerate/vacoshf(_:).md)