# simd_uint4 A vector of four 32-bit unsigned integer elements. ``` typealias simd_uint4 = SIMD4 ``` ## Topics ### Functions to Create Four-Element Vectors From Other Vectors [`simd_make_uint4(_:)`](/documentation/simd/simd_make_uint4(_:)-236jz) Returns a new vector from the specified two-element vector, and other elements set to zero. [`simd_make_uint4(_:)`](/documentation/simd/simd_make_uint4(_:)-1zpti) Returns a new vector from the specified three-element vector, and other elements set to zero. [`simd_make_uint4(_:)`](/documentation/simd/simd_make_uint4(_:)-2o2f5) Returns a new vector from the specified vector. [`simd_make_uint4(_:)`](/documentation/simd/simd_make_uint4(_:)-333jp) Returns a new vector by truncating the specified eight-element vector. [`simd_make_uint4(_:)`](/documentation/simd/simd_make_uint4(_:)-4a98b) Returns a new vector by truncating the specified sixteen-element vector. [`simd_make_uint4(_:_:)`](/documentation/simd/simd_make_uint4(_:_:)-14dxw) Returns a new vector from the specified vectors. [`vector4`](/documentation/simd/vector4-1wxcx) Returns a new vector from the specified vectors. [`simd_make_uint4_undef(_:)`](/documentation/simd/simd_make_uint4_undef(_:)-4iaj6) Returns a new vector from the specified two-element vector, and other elements undefined. [`simd_make_uint4_undef(_:)`](/documentation/simd/simd_make_uint4_undef(_:)-4lr3n) Returns a new vector from the specified two-element vector, and other elements undefined. ### Functions to Create Four-Element Vectors From Scalar Values [`simd_make_uint4(_:)`](/documentation/simd/simd_make_uint4(_:)-1vdsn) Returns a new vector with the first element set to a scalar value, and other elements set to zero. [`simd_make_uint4(_:_:_:_:)`](/documentation/simd/simd_make_uint4(_:_:_:_:)) Returns a new vector from the specified scalar values. [`vector4`](/documentation/simd/vector4-2s268) Returns a new vector from the specified scalar values. [`simd_make_uint4_undef(_:)`](/documentation/simd/simd_make_uint4_undef(_:)-5wuto) Returns a new vector with the first element set to a scalar value, and other elements undefined. ### Functions to Create Four-Element Vectors From Combinations of Vectors and Scalar Values [`simd_make_uint4(_:_:_:)`](/documentation/simd/simd_make_uint4(_:_:_:)-5ftg3) Returns a new vector from a vector and scalar values. [`simd_make_uint4(_:_:)`](/documentation/simd/simd_make_uint4(_:_:)-9arct) Returns a new vector from a vector and a scalar value. [`vector4`](/documentation/simd/vector4-91xr7) Returns a new vector from a vector and a scalar value. [`simd_make_uint4(_:_:_:)`](/documentation/simd/simd_make_uint4(_:_:_:)-73ivt) Returns a new vector from two scalar values and a vector. [`simd_make_uint4(_:_:_:)`](/documentation/simd/simd_make_uint4(_:_:_:)-45zbh) Returns a new vector from a scalar value, a vector, and a scalar value. [`simd_make_uint4(_:_:)`](/documentation/simd/simd_make_uint4(_:_:)-4kh9u) Returns a new vector from a scalar value and a vector. ### Functions to Create Four-Element Vectors From Vectors of Other Types [`simd_uint`](/documentation/simd/simd_uint-77qjk) Returns a new vector from the specified vector of 8-bit, signed integer elements. [`simd_uint`](/documentation/simd/simd_uint-77gtc) Returns a new vector from the specified vector of 8-bit, unsigned integer elements. [`simd_uint`](/documentation/simd/simd_uint-77lq8) Returns a new vector from the specified vector of 16-bit, signed integer elements. [`simd_uint`](/documentation/simd/simd_uint-77br4) Returns a new vector from the specified vector of 16-bit, unsigned integer elements. [`simd_uint`](/documentation/simd/simd_uint-77tvc) Returns a new vector from the specified vector of 32-bit, signed integer elements. [`simd_uint`](/documentation/simd/simd_uint-77jy0) Returns a new vector from the specified vector of 32-bit, unsigned integer elements. [`simd_uint`](/documentation/simd/simd_uint-77s4c) Returns a new vector from the specified vector of 64-bit, signed integer elements. [`simd_uint`](/documentation/simd/simd_uint-77icc) Returns a new vector from the specified vector of 64-bit, unsigned integer elements. [`simd_uint`](/documentation/simd/simd_uint-77f84) Returns a new vector from the specified vector of 32-bit, floating-point elements. [`simd_uint`](/documentation/simd/simd_uint-77fp8) Returns a new vector from the specified vector of 64-bit, floating-point elements. ### Functions to Perform Saturating Conversion From Vectors of Other Types [`simd_uint_sat`](/documentation/simd/simd_uint_sat-716a) Returns a new vector from the specified vector of 8-bit, signed integer elements. [`simd_uint_sat`](/documentation/simd/simd_uint_sat-7b76) Returns a new vector from the specified vector of 8-bit, unsigned integer elements. [`simd_uint_sat`](/documentation/simd/simd_uint_sat-7642) Returns a new vector from the specified vector of 16-bit, signed integer elements. [`simd_uint_sat`](/documentation/simd/simd_uint_sat-7g8i) Returns a new vector from the specified vector of 16-bit, unsigned integer elements. [`simd_uint_sat`](/documentation/simd/simd_uint_sat-747a) Returns a new vector from the specified vector of 32-bit, signed integer elements. [`simd_uint_sat`](/documentation/simd/simd_uint_sat-7e6e) Returns a new vector from the specified vector of 32-bit, unsigned integer elements. [`simd_uint_sat`](/documentation/simd/simd_uint_sat-75su) Returns a new vector from the specified vector of 64-bit, signed integer elements. [`simd_uint_sat`](/documentation/simd/simd_uint_sat-7foe) Returns a new vector from the specified vector of 64-bit, unsigned integer elements. [`simd_uint_sat`](/documentation/simd/simd_uint_sat-7cmi) Returns a new vector from the specified vector of 32-bit, floating-point elements. [`simd_uint_sat`](/documentation/simd/simd_uint_sat-7ddq) Returns a new vector from the specified vector of 64-bit, floating-point elements. ### Common Functions [`simd_clamp(_:_:_:)`](/documentation/simd/simd_clamp(_:_:_:)-1y56u) Returns each element in a vector clamped to a specified range. [`clamp(_:min:max:)`](/documentation/simd/clamp(_:min:max:)-6ix39) Returns each element in a vector clamped to a specified range. [`clamp(_:min:max:)`](/documentation/simd/clamp(_:min:max:)-6fsdy) Returns each element in a vector clamped to a specified range. [`simd_equal(_:_:)`](/documentation/simd/simd_equal(_:_:)-6tvg4) 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(_:)-4ukuu) Returns the minimum value in a vector. [`reduce_min(_:)`](/documentation/simd/reduce_min(_:)-3yrpe) Returns the minimum value in a vector. [`simd_reduce_max(_:)`](/documentation/simd/simd_reduce_max(_:)-4qtcm) Returns the maximum value in a vector. [`reduce_max(_:)`](/documentation/simd/reduce_max(_:)-ko69) Returns the maximum value in a vector. [`simd_reduce_add(_:)`](/documentation/simd/simd_reduce_add(_:)-2ylgg) Returns the sum of all elements in a vector. [`reduce_add(_:)`](/documentation/simd/reduce_add(_:)-9xs7v) Returns the sum of all elements in a vector. ### Extrema Functions [`simd_min(_:_:)`](/documentation/simd/simd_min(_:_:)-7hpr6) Returns the minimum value of each element in a vector. [`min(_:_:)`](/documentation/simd/min(_:_:)-7l4j0) Returns the minimum value of each element in a vector. [`min(_:_:)`](/documentation/simd/min(_:_:)-7o4pn) Returns the minimum value of each element in a vector. [`simd_max(_:_:)`](/documentation/simd/simd_max(_:_:)-6870v) Returns the maximum value of each element in a vector. [`max(_:_:)`](/documentation/simd/max(_:_:)-2m7il) Returns the maximum value of each element in a vector. [`max(_:_:)`](/documentation/simd/max(_:_:)-2pev2) Returns the maximum value of each element in a vector. ### Logic and Bitwise Functions [`simd_any(_:)`](/documentation/simd/simd_any(_:)-6cz27) Returns true if the high-order bit of any element is set; false otherwise. [`simd_all(_:)`](/documentation/simd/simd_all(_:)-1jm2d) Returns true if the high-order bit of every element is set; false otherwise. [`simd_bitselect(_:_:_:)`](/documentation/simd/simd_bitselect(_:_:_:)-1rrhy) 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 [`uint4`](/documentation/simd/uint4) [`vector_uint4`](/documentation/simd/vector_uint4) --- 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)