---
title: FloatingPointClassification.positiveSubnormal
framework: swift
role: symbol
role_heading: Case
path: swift/floatingpointclassification/positivesubnormal
---

# FloatingPointClassification.positiveSubnormal

A positive, nonzero number that does not use the full precision of the floating-point type.

## Declaration

```swift
case positiveSubnormal
```