---
title: hypotl
framework: Kernel
role: symbol
role_heading: Function
platforms: [macOS 10.10+]
path: kernel/1557299-hypotl
---

# hypotl

## Declaration

```occ
long double hypotl(long double, long double);
```

## See Also

### Hypotenuse

- [hypot](kernel/1557147-hypot.md)
- [hypotf](kernel/1557254-hypotf.md)