Function

vDSP_vnegD(_:_:_:_:_:)

Calculates the negative value of each element in the supplied double-precision vector using specified stride.

Declaration

func vDSP_vnegD(_ __A: UnsafePointer<Double>, _ __IA: vDSP_Stride, _ __C: UnsafeMutablePointer<Double>, _ __IC: vDSP_Stride, _ __N: vDSP_Length)

Discussion

This function is the same as vDSP_vneg(_:_:_:_:_:), except for the types of vectors A and C.

See Also

Single-Vector Negation

static func negative<U, V>(U, result: inout V)

Calculates the negative values of the supplied single-precision vector.

static func negative<U, V>(U, result: inout V)

Calculates the negative values of the supplied double-precision vector.

static func negative<U>(U) -> [Double]

Returns a double-precision array containing the negative values of the supplied vector.

static func negative<U>(U) -> [Float]

Returns a single-precision array containing the negative values of the supplied vector.

static func negativeAbsolute<U, V>(U, result: inout V)

Calculates the negative absolute values of the supplied double-precision vector.

static func negativeAbsolute<U>(U) -> [Double]

Returns a double-precision array containing the negative absolute values of the supplied vector.

static func negativeAbsolute<U, V>(U, result: inout V)

Calculates the negative absolute values of the supplied single-precision vector.

static func negativeAbsolute<U>(U) -> [Float]

Returns a single-precision array containing the negative absolute values of the supplied vector.

func vDSP_vneg(UnsafePointer<Float>, vDSP_Stride, UnsafeMutablePointer<Float>, vDSP_Stride, vDSP_Length)

Calculates the negative value of each element in the supplied single-precision vector using specified stride.