Function

# cblas_cswap(_:_:_:_:_:)

Exchanges the elements of two vectors (single-precision complex).

## Parameters

`N`

Number of elements in vectors

`X`

Vector `x`. On return, contains elements copied from vector `y`.

`incX`

Stride within `X`. For example, if `incX` is 7, every 7th element is used.

`Y`

Vector `y`. On return, contains elements copied from vector `x`.

`incY`

Stride within `Y`. For example, if `incY` is 7, every 7th element is used.

### Single-Precision Complex Matrix Functions

`func cblas_cher(CBLAS_ORDER, CBLAS_UPLO, Int32, Float, UnsafeRawPointer!, Int32, UnsafeMutableRawPointer!, Int32)`

Hermitian rank 1 update: adds the product of a scaling factor, vector `X`, and the conjugate transpose of `X` to matrix `A`.

`func cblas_cher2(CBLAS_ORDER, CBLAS_UPLO, Int32, UnsafeRawPointer!, UnsafeRawPointer!, Int32, UnsafeRawPointer!, Int32, UnsafeMutableRawPointer!, Int32)`

Hermitian rank 2 update: adds the product of a scaling factor, vector `X`, and the conjugate transpose of vector `Y` to the product of the conjugate of the scaling factor, vector `Y`, and the conjugate transpose of vector `X`, and adds the result to matrix `A`.

`func cblas_cherk(CBLAS_ORDER, CBLAS_UPLO, CBLAS_TRANSPOSE, Int32, Int32, Float, UnsafeRawPointer!, Int32, Float, UnsafeMutableRawPointer!, Int32)`

Rank-k update—multiplies a Hermitian matrix by its transpose and adds a second matrix (single precision).

`func cblas_chpr(CBLAS_ORDER, CBLAS_UPLO, Int32, Float, UnsafeRawPointer!, Int32, UnsafeMutableRawPointer!)`

Scales and multiplies a vector times its conjugate transpose, then adds a matrix.

`func cblas_chpr2(CBLAS_ORDER, CBLAS_UPLO, Int32, UnsafeRawPointer!, UnsafeRawPointer!, Int32, UnsafeRawPointer!, Int32, UnsafeMutableRawPointer!)`

Multiplies a vector times the conjugate transpose of a second vector and vice-versa, sums the results, and adds a matrix.

`func cblas_cscal(Int32, UnsafeRawPointer!, UnsafeMutableRawPointer!, Int32)`

Multiplies each element of a vector by a constant (single-precision complex).

`func cblas_csscal(Int32, Float, UnsafeMutableRawPointer!, Int32)`

Multiplies each element of a vector by a constant (single-precision complex).

`func cblas_scasum(Int32, UnsafeRawPointer!, Int32) -> Float`

Computes the sum of the absolute values of real and imaginary parts of elements in a vector (single-precision complex).

`func cblas_scnrm2(Int32, UnsafeRawPointer!, Int32) -> Float`

Computes the unitary norm of a vector (single-precision complex).