# simd_uchar32 A vector of thirty-two 8-bit unsigned integer elements. ``` typealias simd_uchar32 = SIMD32 ``` ## Topics ### Functions to Create Thirty Two-Element Vectors From Other Vectors [`simd_make_uchar32(_:)`](/documentation/simd/simd_make_uchar32(_:)-ycg1) Returns a new vector from the specified two-element vector, and other elements set to zero. [`simd_make_uchar32(_:)`](/documentation/simd/simd_make_uchar32(_:)-uuk8) Returns a new vector from the specified three-element vector, and other elements set to zero. [`simd_make_uchar32(_:)`](/documentation/simd/simd_make_uchar32(_:)-cvfv) Returns a new vector from the specified four-element vector, and other elements set to zero. [`simd_make_uchar32(_:)`](/documentation/simd/simd_make_uchar32(_:)-lv3) Returns a new vector from the specified eight-element vector, and other elements set to zero. [`simd_make_uchar32(_:)`](/documentation/simd/simd_make_uchar32(_:)-94jec) Returns a new vector from the specified sixteen-element vector, and other elements set to zero. [`simd_make_uchar32(_:)`](/documentation/simd/simd_make_uchar32(_:)-3c53d) Returns a new vector from the specified vector. [`simd_make_uchar32(_:)`](/documentation/simd/simd_make_uchar32(_:)-3tap7) Returns a new vector by truncating the specified sixty four-element vector. [`vector32`](/documentation/simd/vector32-68jyf) Returns a new vector from the specified vectors. [`simd_make_uchar32(_:_:)`](/documentation/simd/simd_make_uchar32(_:_:)) Returns a new vector from the specified vectors. [`simd_make_uchar32_undef(_:)`](/documentation/simd/simd_make_uchar32_undef(_:)-86jc5) Returns a new vector from the specified two-element vector, and other elements undefined. [`simd_make_uchar32_undef(_:)`](/documentation/simd/simd_make_uchar32_undef(_:)-89hb0) Returns a new vector from the specified three-element vector, and other elements undefined. [`simd_make_uchar32_undef(_:)`](/documentation/simd/simd_make_uchar32_undef(_:)-8emxj) Returns a new vector from the specified four-element vector, and other elements undefined. [`simd_make_uchar32_undef(_:)`](/documentation/simd/simd_make_uchar32_undef(_:)-78b83) Returns a new vector from the specified eight-element vector, and other elements undefined. [`simd_make_uchar32_undef(_:)`](/documentation/simd/simd_make_uchar32_undef(_:)-9vswr) Returns a new vector from the specified sixteen-element vector, and other elements undefined. ### Functions to Create Thirty Two-Element Vectors From Scalar Values [`simd_make_uchar32(_:)`](/documentation/simd/simd_make_uchar32(_:)-8z2lu) Returns a new vector with the first element set to a scalar value, and other elements set to zero. [`simd_make_uchar32_undef(_:)`](/documentation/simd/simd_make_uchar32_undef(_:)-6klno) Returns a new vector with the first element set to a scalar value, and other elements undefined. ### Functions to Create Thirty Two-Element Vectors From Vectors of Other Types [`simd_uchar`](/documentation/simd/simd_uchar-5tgfs) Returns a new vector from the specified vector of 8-bit, signed integer elements. [`simd_uchar`](/documentation/simd/simd_uchar-5t6ew) Returns a new vector from the specified vector of 8-bit, unsigned integer elements. [`simd_uchar`](/documentation/simd/simd_uchar-5tlbs) Returns a new vector from the specified vector of 16-bit, signed integer elements. [`simd_uchar`](/documentation/simd/simd_uchar-5tbi0) Returns a new vector from the specified vector of 16-bit, unsigned integer elements. ### Functions to Perform Saturating Conversion From Vectors of Other Types [`simd_uchar_sat`](/documentation/simd/simd_uchar_sat-330d5) Returns a new vector from the specified vector of 8-bit, signed integer elements. [`simd_uchar_sat`](/documentation/simd/simd_uchar_sat-32qhl) Returns a new vector from the specified vector of 8-bit, unsigned integer elements. [`simd_uchar_sat`](/documentation/simd/simd_uchar_sat-32vh5) Returns a new vector from the specified vector of 16-bit, signed integer elements. [`simd_uchar_sat`](/documentation/simd/simd_uchar_sat-32lax) Returns a new vector from the specified vector of 16-bit, unsigned integer elements. ### Common Functions [`simd_clamp(_:_:_:)`](/documentation/simd/simd_clamp(_:_:_:)-3bfcx) Returns each element in a vector clamped to a specified range. [`simd_equal(_:_:)`](/documentation/simd/simd_equal(_:_:)-qmif) Returns true if every element in a vector is exactly equal to the corresponding element in a second vector, and otherwise returns false. ### Reduce Functions [`simd_reduce_min(_:)`](/documentation/simd/simd_reduce_min(_:)-2b45c) Returns the miniumum value in a vector. [`simd_reduce_max(_:)`](/documentation/simd/simd_reduce_max(_:)-9iwy0) Returns the maximum value in a vector. [`simd_reduce_add(_:)`](/documentation/simd/simd_reduce_add(_:)-1updz) Returns the sum of all elements in a vector. ### Extrema Functions [`simd_min(_:_:)`](/documentation/simd/simd_min(_:_:)-4b2i2) Returns the minimum value of each element in a vector. [`simd_max(_:_:)`](/documentation/simd/simd_max(_:_:)-xuo) Returns the maximum value of each element in a vector. ### Logic and Bitwise Functions [`simd_any(_:)`](/documentation/simd/simd_any(_:)-3apcl) [`simd_all(_:)`](/documentation/simd/simd_all(_:)-1khgz) [`simd_bitselect(_:_:_:)`](/documentation/simd/simd_bitselect(_:_:_:)-49vzj) Returns a vector that contains elements from either the first or second parameter, based on the corresponding element in the third parameter. ### Alternative Type Alias [`vector_uchar32`](/documentation/simd/vector_uchar32) --- 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)