# simd_packed_short4 A packed vector of four 16-bit signed integer elements. ``` typealias simd_packed_short4 = SIMD4 ``` ## Topics ### Alternative Type Alias [`packed_short4`](/documentation/simd/packed_short4) --- Copyright © 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)