# Integer to single-precision floating-point conversion Perform element-wise integer to single-precision floating-point conversion. ## Topics ### 8-bit integer to floating point conversion The functions in this group convert integer values of a given size to floating-point vectors. [`static func integerToFloatingPoint(T, floatingPointType: U.Type) -> [U]`](/documentation/Accelerate/vDSP/integerToFloatingPoint(_:floatingPointType:)-7479i) Returns a vector of floating-point values converted from signed 8-bit integer values. [`static func integerToFloatingPoint(T, floatingPointType: U.Type) -> [U]`](/documentation/Accelerate/vDSP/integerToFloatingPoint(_:floatingPointType:)-8jgqh) Returns a vector of floating-point values converted from unsigned 8-bit integer values. [`static func convertElements(of: U, to: inout V)`](/documentation/Accelerate/vDSP/convertElements(of:to:)-3bomv) Converts 8-bit signed integers to single-precision values. [`static func convertElements(of: U, to: inout V)`](/documentation/Accelerate/vDSP/convertElements(of:to:)-7jdvz) Converts 8-bit unsigned integers to single-precision values. [`extern void vDSP_vflt8(const char *__A, vDSP_Stride __IA, float *__C, vDSP_Stride __IC, vDSP_Length __N);`](/documentation/Accelerate/vDSP_vflt8) Converts a vector of signed 8-bit integers to single-precision floating-point values. [`extern void vDSP_vfltu8(const unsigned char *__A, vDSP_Stride __IA, float *__C, vDSP_Stride __IC, vDSP_Length __N);`](/documentation/Accelerate/vDSP_vfltu8) Converts an array of unsigned 8-bit integers to single-precision floating-point values. ### 16-bit integer to floating point conversion [`static func integerToFloatingPoint(T, floatingPointType: U.Type) -> [U]`](/documentation/Accelerate/vDSP/integerToFloatingPoint(_:floatingPointType:)-5os5n) Returns a vector of floating-point values converted from signed 16-bit integer values. [`static func integerToFloatingPoint(T, floatingPointType: U.Type) -> [U]`](/documentation/Accelerate/vDSP/integerToFloatingPoint(_:floatingPointType:)-2xoiz) Returns a vector of floating-point values converted from unsigned 16-bit integer values. [`static func convertElements(of: U, to: inout V)`](/documentation/Accelerate/vDSP/convertElements(of:to:)-93xn9) Converts 16-bit signed integers to single-precision values. [`static func convertElements(of: U, to: inout V)`](/documentation/Accelerate/vDSP/convertElements(of:to:)-1ajdy) Converts 16-bit unsigned integers to single-precision values. [`extern void vDSP_vflt16(const short *__A, vDSP_Stride __IA, float *__C, vDSP_Stride __IC, vDSP_Length __N);`](/documentation/Accelerate/vDSP_vflt16) Converts a vector of signed 16-bit integers to single-precision floating-point values. [`extern void vDSP_vfltu16(const unsigned short *__A, vDSP_Stride __IA, float *__C, vDSP_Stride __IC, vDSP_Length __N);`](/documentation/Accelerate/vDSP_vfltu16) Converts an array of unsigned 16-bit integers to single-precision floating-point values. ### 24-bit integer to floating point conversion [`extern void vDSP_vflt24(const vDSP_int24 *__A, vDSP_Stride __IA, float *__C, vDSP_Stride __IC, vDSP_Length __N);`](/documentation/Accelerate/vDSP_vflt24) Converts a vector of signed 24-bit integers to single-precision floating-point values. [`extern void vDSP_vfltu24(const vDSP_uint24 *__A, vDSP_Stride __IA, float *__C, vDSP_Stride __IC, vDSP_Length __N);`](/documentation/Accelerate/vDSP_vfltu24) Converts a vector of unsigned 24-bit integers to single-precision floating-point values. [`extern void vDSP_vfltsm24(const vDSP_int24 *__A, vDSP_Stride __IA, const float *__B, float *__C, vDSP_Stride __IC, vDSP_Length __N);`](/documentation/Accelerate/vDSP_vfltsm24) Converts and scales a vector of signed 24-bit integers to single-precision floating-point values. [`extern void vDSP_vfltsmu24(const vDSP_uint24 *__A, vDSP_Stride __IA, const float *__B, float *__C, vDSP_Stride __IC, vDSP_Length __N);`](/documentation/Accelerate/vDSP_vfltsmu24) Converts and scales a vector of unsigned 24-bit integers to single-precision floating-point values. [`struct vDSP_int24`](/documentation/Accelerate/vDSP_int24) A data structure that holds a 24-bit signed integer value. [`struct vDSP_uint24`](/documentation/Accelerate/vDSP_uint24) A data structure that holds a 24-bit unsigned integer value. ### 32-bit integer to floating point conversion [`static func integerToFloatingPoint(T, floatingPointType: U.Type) -> [U]`](/documentation/Accelerate/vDSP/integerToFloatingPoint(_:floatingPointType:)-8b7ni) Returns a vector of floating-point values converted from signed 32-bit integer values. [`static func integerToFloatingPoint(T, floatingPointType: U.Type) -> [U]`](/documentation/Accelerate/vDSP/integerToFloatingPoint(_:floatingPointType:)-23d97) Returns a vector of floating-point values converted from unsigned 32-bit integer values. [`static func convertElements(of: U, to: inout V)`](/documentation/Accelerate/vDSP/convertElements(of:to:)-7pknu) Converts 32-bit signed integers to single-precision values. [`static func convertElements(of: U, to: inout V)`](/documentation/Accelerate/vDSP/convertElements(of:to:)-9orm4) Converts 32-bit unsigned integers to single-precision values. [`extern void vDSP_vflt32(const int *__A, vDSP_Stride __IA, float *__C, vDSP_Stride __IC, vDSP_Length __N);`](/documentation/Accelerate/vDSP_vflt32) Converts a vector of signed 32-bit integers to single-precision floating-point values. [`extern void vDSP_vfltu32(const unsigned int *__A, vDSP_Stride __IA, float *__C, vDSP_Stride __IC, vDSP_Length __N);`](/documentation/Accelerate/vDSP_vfltu32) Converts an array of unsigned 16-bit integers to single-precision floating-point values. --- 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)