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

# vrsqrtf(_:)

For each vector element, calculates the inverse of the square root of X.

## Declaration

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

## See Also

### Floating-Point Arithmetic and Auxiliary Functions (from vfp.h)

- [vceilf(_:)](accelerate/vceilf(_:).md)
- [vcopysignf(_:_:)](accelerate/vcopysignf(_:_:).md)
- [vdivf(_:_:)](accelerate/vdivf(_:_:).md)
- [vfabf(_:)](accelerate/vfabf(_:).md)
- [vfabsf(_:)](accelerate/vfabsf(_:).md)
- [vfloorf(_:)](accelerate/vfloorf(_:).md)
- [vintf(_:)](accelerate/vintf(_:).md)
- [vnintf(_:)](accelerate/vnintf(_:).md)
- [vnextafterf(_:_:)](accelerate/vnextafterf(_:_:).md)
- [vrecf(_:)](accelerate/vrecf(_:).md)
- [vsqrtf(_:)](accelerate/vsqrtf(_:).md)
- [vtablelookup(_:_:)](accelerate/vtablelookup(_:_:).md)
- [vtruncf(_:)](accelerate/vtruncf(_:).md)