# Vector summation Sum the values in a vector. ## Topics ### Vector Summation [`static func sum(U) -> Double`](/documentation/Accelerate/vDSP/sum(_:)-6jamg) Returns the double-precision vector sum. [`static func sum(U) -> Float`](/documentation/Accelerate/vDSP/sum(_:)-8hq9) Returns the single-precision vector sum. [`static func sumAndSumOfSquares(U) -> (elementsSum: Double, squaresSum: Double)`](/documentation/Accelerate/vDSP/sumAndSumOfSquares(_:)-9uec5) Returns the double-precision vector sum and sum of squares. [`static func sumAndSumOfSquares(U) -> (elementsSum: Float, squaresSum: Float)`](/documentation/Accelerate/vDSP/sumAndSumOfSquares(_:)-45el) Returns the single-precision vector sum and sum of squares. [`static func sumOfMagnitudes(U) -> Double`](/documentation/Accelerate/vDSP/sumOfMagnitudes(_:)-77eli) Returns the double-precision vector sum of magnitudes. [`static func sumOfMagnitudes(U) -> Float`](/documentation/Accelerate/vDSP/sumOfMagnitudes(_:)-3mdj2) Returns the single-precision vector sum of magnitudes. [`static func sumOfSquares(U) -> Double`](/documentation/Accelerate/vDSP/sumOfSquares(_:)-9quys) Returns the double-precision vector sum of squares. [`static func sumOfSquares(U) -> Float`](/documentation/Accelerate/vDSP/sumOfSquares(_:)-2sew6) Returns the single-precision vector sum of squares. [`extern void vDSP_sve(const float *__A, vDSP_Stride __I, float *__C, vDSP_Length __N);`](/documentation/Accelerate/vDSP_sve) Calculates the sum of values in a single-precision vector. [`extern void vDSP_sveD(const double *__A, vDSP_Stride __I, double *__C, vDSP_Length __N);`](/documentation/Accelerate/vDSP_sveD) Calculates the sum of values in a double-precision vector. [`extern void vDSP_svemg(const float *__A, vDSP_Stride __IA, float *__C, vDSP_Length __N);`](/documentation/Accelerate/vDSP_svemg) Calculates the sum of magnitudes in a single-precision vector. [`extern void vDSP_svemgD(const double *__A, vDSP_Stride __IA, double *__C, vDSP_Length __N);`](/documentation/Accelerate/vDSP_svemgD) Calculates the sum of magnitudes in a double-precision vector. [`extern void vDSP_svesq(const float *__A, vDSP_Stride __IA, float *__C, vDSP_Length __N);`](/documentation/Accelerate/vDSP_svesq) Calculates the sum of squares in a single-precision vector. [`extern void vDSP_svesqD(const double *__A, vDSP_Stride __IA, double *__C, vDSP_Length __N);`](/documentation/Accelerate/vDSP_svesqD) Calculates the sum of squares in a double-precision vector. [`extern void vDSP_sve_svesq(const float *__A, vDSP_Stride __IA, float *__Sum, float *__SumOfSquares, vDSP_Length __N);`](/documentation/Accelerate/vDSP_sve_svesq) Calculates the sum of values and the sum of squares in a single-precision vector. [`extern void vDSP_sve_svesqD(const double *__A, vDSP_Stride __IA, double *__Sum, double *__SumOfSquares, vDSP_Length __N);`](/documentation/Accelerate/vDSP_sve_svesqD) Calculates the sum of values and the sum of squares in a double-precision vector. [`extern void vDSP_svs(const float *__A, vDSP_Stride __IA, float *__C, vDSP_Length __N);`](/documentation/Accelerate/vDSP_svs) Calculates the sum of signed squares in a single-precision vector. [`extern void vDSP_svsD(const double *__A, vDSP_Stride __IA, double *__C, vDSP_Length __N);`](/documentation/Accelerate/vDSP_svsD) Calculates the sum of signed squares in a double-precision vector. --- 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)