her2: Hermitian rank 2 update

\(A = \alpha xy^T + \alpha yx^T + A\) More...

Functions
void	magma_cher2 (magma_uplo_t uplo, magma_int_t n, magmaFloatComplex alpha, magmaFloatComplex_const_ptr dx, magma_int_t incx, magmaFloatComplex_const_ptr dy, magma_int_t incy, magmaFloatComplex_ptr dA, magma_int_t ldda, magma_queue_t queue)
	Perform Hermitian rank-2 update, \( A = \alpha x y^H + conj(\alpha) y x^H + A, \) where \( A \) is Hermitian.
void	magma_zher2 (magma_uplo_t uplo, magma_int_t n, magmaDoubleComplex alpha, magmaDoubleComplex_const_ptr dx, magma_int_t incx, magmaDoubleComplex_const_ptr dy, magma_int_t incy, magmaDoubleComplex_ptr dA, magma_int_t ldda, magma_queue_t queue)
	Perform Hermitian rank-2 update, \( A = \alpha x y^H + conj(\alpha) y x^H + A, \) where \( A \) is Hermitian.

Detailed Description

\(A = \alpha xy^T + \alpha yx^T + A\)

Function Documentation

magma_cher2()

void magma_cher2	(	magma_uplo_t	uplo,
		magma_int_t	n,
		magmaFloatComplex	alpha,
		magmaFloatComplex_const_ptr	dx,
		magma_int_t	incx,
		magmaFloatComplex_const_ptr	dy,
		magma_int_t	incy,
		magmaFloatComplex_ptr	dA,
		magma_int_t	ldda,
		magma_queue_t	queue )

Perform Hermitian rank-2 update, \( A = \alpha x y^H + conj(\alpha) y x^H + A, \) where \( A \) is Hermitian.

Parameters

[in]	uplo	Whether the upper or lower triangle of A is referenced.
[in]	n	Number of rows and columns of A. n >= 0.
[in]	alpha	Scalar \( \alpha \)
[in]	dx	COMPLEX array on GPU device. The n element vector x of dimension (1 + (n-1)*incx).
[in]	incx	Stride between consecutive elements of dx. incx != 0.
[in]	dy	COMPLEX array on GPU device. The n element vector y of dimension (1 + (n-1)*incy).
[in]	incy	Stride between consecutive elements of dy. incy != 0.
[in,out]	dA	COMPLEX array of dimension (ldda,n), ldda >= max(1,n). The n-by-n matrix A, on GPU device.
[in]	ldda	Leading dimension of dA.
[in]	queue	magma_queue_t Queue to execute in.

magma_zher2()

void magma_zher2	(	magma_uplo_t	uplo,
		magma_int_t	n,
		magmaDoubleComplex	alpha,
		magmaDoubleComplex_const_ptr	dx,
		magma_int_t	incx,
		magmaDoubleComplex_const_ptr	dy,
		magma_int_t	incy,
		magmaDoubleComplex_ptr	dA,
		magma_int_t	ldda,
		magma_queue_t	queue )

Perform Hermitian rank-2 update, \( A = \alpha x y^H + conj(\alpha) y x^H + A, \) where \( A \) is Hermitian.

Parameters

[in]	uplo	Whether the upper or lower triangle of A is referenced.
[in]	n	Number of rows and columns of A. n >= 0.
[in]	alpha	Scalar \( \alpha \)
[in]	dx	COMPLEX_16 array on GPU device. The n element vector x of dimension (1 + (n-1)*incx).
[in]	incx	Stride between consecutive elements of dx. incx != 0.
[in]	dy	COMPLEX_16 array on GPU device. The n element vector y of dimension (1 + (n-1)*incy).
[in]	incy	Stride between consecutive elements of dy. incy != 0.
[in,out]	dA	COMPLEX_16 array of dimension (ldda,n), ldda >= max(1,n). The n-by-n matrix A, on GPU device.
[in]	ldda	Leading dimension of dA.
[in]	queue	magma_queue_t Queue to execute in.