# Vector squaring functions Compute the square, signed square, or squared magnitude of the elements in a vector. ## Topics ### Single-Vector Squaring The functions in this group compute the square of each element in a vector or the square of the magnitude of each element in a complex vector. [`static func square(U) -> [Double]`](/documentation/Accelerate/vDSP/square(_:)-1dz7) Returns a double-precision array containing the square of each element in the supplied vector. [`static func square(U) -> [Float]`](/documentation/Accelerate/vDSP/square(_:)-30jok) Returns a single-precision array containing the square of each element in the supplied vector. [`static func square(U, result: inout V)`](/documentation/Accelerate/vDSP/square(_:result:)-9e5hu) Calculates the square of each element in the supplied double-precision vector. [`static func square(U, result: inout V)`](/documentation/Accelerate/vDSP/square(_:result:)-3kja7) Calculates the square of each element in the supplied single-precision vector. [`static func signedSquare(U) -> [Double]`](/documentation/Accelerate/vDSP/signedSquare(_:)-8y09t) Returns a double-precision array containing the signed square of each element in the supplied vector. [`static func signedSquare(U) -> [Float]`](/documentation/Accelerate/vDSP/signedSquare(_:)-9v7ec) Returns a single-precision array containing the signed square of each element in the supplied vector. [`static func signedSquare(U, result: inout V)`](/documentation/Accelerate/vDSP/signedSquare(_:result:)-56omf) Calculates the signed square of each element in the supplied double-precision vector. [`static func signedSquare(U, result: inout V)`](/documentation/Accelerate/vDSP/signedSquare(_:result:)-2771f) Calculates the signed square of each element in the supplied single-precision vector. [`static func squareMagnitudes(DSPSplitComplex, result: inout V)`](/documentation/Accelerate/vDSP/squareMagnitudes(_:result:)-22k5h) Calculates the square magnitude of each element in the supplied single-precision complex vector. [`static func squareMagnitudes(DSPDoubleSplitComplex, result: inout V)`](/documentation/Accelerate/vDSP/squareMagnitudes(_:result:)-14oiw) Calculates the square magnitude of each element in the supplied double-precision complex vector. [`extern void vDSP_vsq(const float *__A, vDSP_Stride __IA, float *__C, vDSP_Stride __IC, vDSP_Length __N);`](/documentation/Accelerate/vDSP_vsq) Computes the squared value of each element in the supplied single-precision vector. [`extern void vDSP_vsqD(const double *__A, vDSP_Stride __IA, double *__C, vDSP_Stride __IC, vDSP_Length __N);`](/documentation/Accelerate/vDSP_vsqD) Computes the squared value of each element in the supplied double-precision vector. [`extern void vDSP_vssq(const float *__A, vDSP_Stride __IA, float *__C, vDSP_Stride __IC, vDSP_Length __N);`](/documentation/Accelerate/vDSP_vssq) Computes the signed squared value of each element in the supplied single-precision vector. [`extern void vDSP_vssqD(const double *__A, vDSP_Stride __IA, double *__C, vDSP_Stride __IC, vDSP_Length __N);`](/documentation/Accelerate/vDSP_vssqD) Computes the signed squared value of each element in the supplied double-precision vector. [`extern void vDSP_zvmags(const DSPSplitComplex *__A, vDSP_Stride __IA, float *__C, vDSP_Stride __IC, vDSP_Length __N);`](/documentation/Accelerate/vDSP_zvmags) Computes the squared magnitude value of each element in the supplied complex single-precision vector. [`extern void vDSP_zvmagsD(const DSPDoubleSplitComplex *__A, vDSP_Stride __IA, double *__C, vDSP_Stride __IC, vDSP_Length __N);`](/documentation/Accelerate/vDSP_zvmagsD) Computes the squared magnitude value of each element in the supplied complex double-precision vector. [`extern void vDSP_zvmgsa(const DSPSplitComplex *__A, vDSP_Stride __IA, const float *__B, vDSP_Stride __IB, float *__C, vDSP_Stride __IC, vDSP_Length __N);`](/documentation/Accelerate/vDSP_zvmgsa) Complex vector magnitudes square and add; single precision. [`extern void vDSP_zvmgsaD(const DSPDoubleSplitComplex *__A, vDSP_Stride __IA, const double *__B, vDSP_Stride __IB, double *__C, vDSP_Stride __IC, vDSP_Length __N);`](/documentation/Accelerate/vDSP_zvmgsaD) Complex vector magnitudes square and add; double precision. --- 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)