---
title: infinity
framework: swift
role: symbol
role_heading: Type Property
path: swift/double/infinity
---

# infinity

Positive infinity.

## Declaration

```swift
static var infinity: Double { get }
```

## Discussion

Discussion Infinity compares greater than all finite numbers and equal to other infinite values. let x = Double.greatestFiniteMagnitude let y = x * 2 // y == Double.infinity // y > x

## See Also

### Accessing Numeric Constants

- [pi](swift/double/pi.md)
- [greatestFiniteMagnitude](swift/double/greatestfinitemagnitude.md)
- [nan](swift/double/nan.md)
- [signalingNaN](swift/double/signalingnan.md)
- [ulpOfOne](swift/double/ulpofone.md)
- [leastNonzeroMagnitude](swift/double/leastnonzeromagnitude.md)
- [leastNormalMagnitude](swift/double/leastnormalmagnitude.md)
- [zero](swift/double/zero.md)