---
title: "isApproximatelyEqual(to:tolerance:)"
framework: spatial
role: symbol
role_heading: Instance Method
path: "spatial/affinetransform3d/isapproximatelyequal(to:tolerance:)"
---

# isApproximatelyEqual(to:tolerance:)

Returns a Boolean value that indicates whether two transforms are equal within a specified tolerance.

## Declaration

```swift
func isApproximatelyEqual(to other: AffineTransform3D, tolerance: Double = sqrt(.ulpOfOne)) -> Bool
```

## Parameters

- `other`: The right-hand side value.
- `tolerance`: A double-precision value that specifies the tolerance.

## See Also

### Comparing values

- [==(_:_:)](spatial/affinetransform3d/==(_:_:).md)