# simd_int4 A vector of four 32-bit signed integer elements. ``` typealias simd_int4 = SIMD4 ``` ## Topics ### Functions to Create Four-Element Vectors From Other Vectors [`simd_make_int4(_:)`](/documentation/simd/simd_make_int4(_:)-1suou) Returns a new vector from the specified two-element vector, and other elements set to zero. [`simd_make_int4(_:)`](/documentation/simd/simd_make_int4(_:)-1wbev) Returns a new vector from the specified three-element vector, and other elements set to zero. [`simd_make_int4(_:)`](/documentation/simd/simd_make_int4(_:)-1kx2w) Returns a new vector from the specified vector. [`simd_make_int4(_:)`](/documentation/simd/simd_make_int4(_:)-2qk04) Returns a new vector by truncating the specified eight-element vector. [`simd_make_int4(_:)`](/documentation/simd/simd_make_int4(_:)-2rtb0) Returns a new vector by truncating the specified sixteen-element vector. [`simd_make_int4(_:_:)`](/documentation/simd/simd_make_int4(_:_:)-4phxy) Returns a new vector from the specified vectors. [`vector4`](/documentation/simd/vector4-6k3t7) Returns a new vector from the specified vectors. [`simd_make_int4_undef(_:)`](/documentation/simd/simd_make_int4_undef(_:)-5g92f) Returns a new vector from the specified two-element vector, and other elements undefined. [`simd_make_int4_undef(_:)`](/documentation/simd/simd_make_int4_undef(_:)-5dw9q) Returns a new vector from the specified three-element vector, and other elements undefined. ### Functions to Create Four-Element Vectors From Scalar Values [`simd_make_int4(_:)`](/documentation/simd/simd_make_int4(_:)-7vwve) Returns a new vector with the first element set to a scalar value, and other elements set to zero. [`simd_make_int4(_:_:_:_:)`](/documentation/simd/simd_make_int4(_:_:_:_:)) Returns a new vector from the specified scalar values. [`vector4`](/documentation/simd/vector4-7j5gn) Returns a new vector with the first element set to a scalar value, and other elements undefined. [`simd_make_int4_undef(_:)`](/documentation/simd/simd_make_int4_undef(_:)-2wt72) 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_int4(_:_:_:)`](/documentation/simd/simd_make_int4(_:_:_:)-7cjm7) Returns a new vector from a vector and scalar values. [`simd_make_int4(_:_:)`](/documentation/simd/simd_make_int4(_:_:)-7rrqd) Returns a new vector from a vector and a scalar value. [`vector4`](/documentation/simd/vector4-6wxif) Returns a new vector from a vector and a scalar value. [`simd_make_int4(_:_:_:)`](/documentation/simd/simd_make_int4(_:_:_:)-9tjlm) Returns a new vector from two scalar values and a vector. [`simd_make_int4(_:_:_:)`](/documentation/simd/simd_make_int4(_:_:_:)-8of8y) Returns a new vector from a scalar value, a vector, and a scalar value. [`simd_make_int4(_:_:)`](/documentation/simd/simd_make_int4(_:_:)-6p0ui) Returns a new vector from a scalar value and a vector. ### Functions to Create Four-Element Vectors From Vectors of Other Types [`simd_int`](/documentation/simd/simd_int-9gib6) Returns a new vector from the specified vector of 8-bit, signed integer elements. [`simd_int`](/documentation/simd/simd_int-9gsc2) Returns a new vector from the specified vector of 8-bit, unsigned integer elements. [`simd_int`](/documentation/simd/simd_int-9gnaq) Returns a new vector from the specified vector of 16-bit, signed integer elements. [`simd_int`](/documentation/simd/simd_int-9gx82) Returns a new vector from the specified vector of 16-bit, unsigned integer elements. [`simd_int`](/documentation/simd/simd_int-9gf7q) Returns a new vector from the specified vector of 32-bit, signed integer elements. [`simd_int`](/documentation/simd/simd_int-9gp3a) Returns a new vector from the specified vector of 32-bit, unsigned integer elements. [`simd_int`](/documentation/simd/simd_int-9ggra) Returns a new vector from the specified vector of 64-bit, signed integer elements. [`simd_int`](/documentation/simd/simd_int-9gqqe) Returns a new vector from the specified vector of 64-bit, unsigned integer elements. [`simd_int`](/documentation/simd/simd_int-9gtqi) Returns a new vector from the specified vector of 32-bit, floating-point elements. [`simd_int`](/documentation/simd/simd_int-9gt5y) 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_int_sat`](/documentation/simd/simd_int_sat-6820l) Returns a new vector from the specified vector of 8-bit, signed integer elements. [`simd_int_sat`](/documentation/simd/simd_int_sat-67sad) Returns a new vector from the specified vector of 8-bit, unsigned integer elements. [`simd_int_sat`](/documentation/simd/simd_int_sat-67x4l) Returns a new vector from the specified vector of 16-bit, signed integer elements. [`simd_int_sat`](/documentation/simd/simd_int_sat-67nat) Returns a new vector from the specified vector of 16-bit, unsigned integer elements. [`simd_int_sat`](/documentation/simd/simd_int_sat-68459) Returns a new vector from the specified vector of 32-bit, signed integer elements. [`simd_int_sat`](/documentation/simd/simd_int_sat-67tx9) Returns a new vector from the specified vector of 32-bit, unsigned integer elements. [`simd_int_sat`](/documentation/simd/simd_int_sat-684sf) Returns a new vector from the specified vector of 64-bit, signed integer elements. [`simd_int_sat`](/documentation/simd/simd_int_sat-67uyn) Returns a new vector from the specified vector of 64-bit, unsigned integer elements. [`simd_int_sat`](/documentation/simd/simd_int_sat-67t8j) Returns a new vector from the specified vector of 32-bit, floating-point elements. [`simd_int_sat`](/documentation/simd/simd_int_sat-67sbj) Returns a new vector from the specified vector of 64-bit, floating-point elements. ### Functions to Perform Round-Half-to-Even Conversion From Single-Precision Vectors [`simd_int_rte`](/documentation/simd/simd_int_rte-8emhi) Returns a new vector from the specified four-element vector. ### Common Functions [`simd_abs(_:)`](/documentation/simd/simd_abs(_:)-81glw) Returns the absolute value of each element in a vector. [`abs(_:)`](/documentation/simd/abs(_:)-1b3qo) Returns the absolute value of each element in a vector. [`simd_clamp(_:_:_:)`](/documentation/simd/simd_clamp(_:_:_:)-50obl) Returns each element in a vector clamped to a specified range. [`clamp(_:min:max:)`](/documentation/simd/clamp(_:min:max:)-5if3n) Returns each element in a vector clamped to a specified range. [`clamp(_:min:max:)`](/documentation/simd/clamp(_:min:max:)-5f538) Returns each element in a vector clamped to a specified scalar range. [`simd_equal(_:_:)`](/documentation/simd/simd_equal(_:_:)-2rypj) 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(_:)-4uaza) Returns the minimum value in a vector. [`reduce_min(_:)`](/documentation/simd/reduce_min(_:)-6npco) Returns the minimum value in a vector. [`simd_reduce_max(_:)`](/documentation/simd/simd_reduce_max(_:)-4qjkm) Returns the maximum value in a vector. [`reduce_max(_:)`](/documentation/simd/reduce_max(_:)-5afy1) Returns the maximum value in a vector. [`simd_reduce_add(_:)`](/documentation/simd/simd_reduce_add(_:)-2ybq8) Returns the sum of all elements in a vector. [`reduce_add(_:)`](/documentation/simd/reduce_add(_:)-89ptt) Returns the sum of all elements in a vector. ### Extrema Functions [`simd_max(_:_:)`](/documentation/simd/simd_max(_:_:)-51txy) Returns the maximum value of each element in a vector. [`max(_:_:)`](/documentation/simd/max(_:_:)-696e3) Returns the maximum value of each element in a vector. [`max(_:_:)`](/documentation/simd/max(_:_:)-6cb9k) Returns the maximum value of each element in a vector. [`simd_min(_:_:)`](/documentation/simd/simd_min(_:_:)-1m8ma) Returns the minimum value of each element in a vector. [`min(_:_:)`](/documentation/simd/min(_:_:)-5uuf6) Returns the minimum value of each element in a vector. [`min(_:_:)`](/documentation/simd/min(_:_:)-5y1sd) Returns the minimum value of each element in a vector. ### Logic and Bitwise Functions [`simd_any(_:)`](/documentation/simd/simd_any(_:)-6cp1b) Returns true if the high-order bit of any element is set; false otherwise. [`simd_all(_:)`](/documentation/simd/simd_all(_:)-1jw6t) Returns true if the high-order bit of every element is set; false otherwise. [`simd_bitselect(_:_:_:)`](/documentation/simd/simd_bitselect(_:_:_:)-27mh1) 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 [`int4`](/documentation/simd/int4) [`vector_int4`](/documentation/simd/vector_int4) --- 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)