<!--
{
  "documentType" : "article",
  "framework" : "Swift",
  "identifier" : "/documentation/Swift/Double/SIMDScalar-Implementations",
  "metadataVersion" : "0.1.0",
  "role" : "collectionGroup",
  "title" : "SIMDScalar Implementations"
}
-->

# SIMDScalar Implementations

## Topics

### Structures

[`struct SIMD16Storage`](/documentation/Swift/Double/SIMD16Storage)

Storage for a vector of 16 floating-point values.

[`struct SIMD2Storage`](/documentation/Swift/Double/SIMD2Storage)

Storage for a vector of two floating-point values.

[`struct SIMD32Storage`](/documentation/Swift/Double/SIMD32Storage)

Storage for a vector of 32 floating-point values.

[`struct SIMD4Storage`](/documentation/Swift/Double/SIMD4Storage)

Storage for a vector of four floating-point values.

[`struct SIMD64Storage`](/documentation/Swift/Double/SIMD64Storage)

Storage for a vector of 64 floating-point values.

[`struct SIMD8Storage`](/documentation/Swift/Double/SIMD8Storage)

Storage for a vector of eight floating-point values.

### Type Aliases

[`typealias SIMDMaskScalar`](/documentation/Swift/Double/SIMDMaskScalar)

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)