---
title: isNormal
framework: swift
role: symbol
role_heading: Instance Property
path: swift/float16/isnormal
---

# isNormal

A Boolean value indicating whether this instance is normal.

## Declaration

```swift
var isNormal: Bool { get }
```

## Discussion

Discussion A normal value is a finite number that uses the full precision available to values of a type. Zero is neither a normal nor a subnormal number.