trmv: Triangular matrix-vector multiply

\(x = Ax\) More...

Functions
void	magma_ctrmv (magma_uplo_t uplo, magma_trans_t trans, magma_diag_t diag, magma_int_t n, magmaFloatComplex_const_ptr dA, magma_int_t ldda, magmaFloatComplex_ptr dx, magma_int_t incx, magma_queue_t queue)
	Perform triangular matrix-vector product.
void	magma_dtrmv (magma_uplo_t uplo, magma_trans_t trans, magma_diag_t diag, magma_int_t n, magmaDouble_const_ptr dA, magma_int_t ldda, magmaDouble_ptr dx, magma_int_t incx, magma_queue_t queue)
	Perform triangular matrix-vector product.
void	magma_strmv (magma_uplo_t uplo, magma_trans_t trans, magma_diag_t diag, magma_int_t n, magmaFloat_const_ptr dA, magma_int_t ldda, magmaFloat_ptr dx, magma_int_t incx, magma_queue_t queue)
	Perform triangular matrix-vector product.
void	magma_ztrmv (magma_uplo_t uplo, magma_trans_t trans, magma_diag_t diag, magma_int_t n, magmaDoubleComplex_const_ptr dA, magma_int_t ldda, magmaDoubleComplex_ptr dx, magma_int_t incx, magma_queue_t queue)
	Perform triangular matrix-vector product.

Detailed Description

\(x = Ax\)

Function Documentation

magma_ctrmv()

void magma_ctrmv	(	magma_uplo_t	uplo,
		magma_trans_t	trans,
		magma_diag_t	diag,
		magma_int_t	n,
		magmaFloatComplex_const_ptr	dA,
		magma_int_t	ldda,
		magmaFloatComplex_ptr	dx,
		magma_int_t	incx,
		magma_queue_t	queue )

Perform triangular matrix-vector product.

\( x = A x \) (trans == MagmaNoTrans), or
\( x = A^T x \) (trans == MagmaTrans), or
\( x = A^H x \) (trans == MagmaConjTrans).

Parameters

[in]	uplo	Whether the upper or lower triangle of A is referenced.
[in]	trans	Operation to perform on A.
[in]	diag	Whether the diagonal of A is assumed to be unit or non-unit.
[in]	n	Number of rows and columns of A. n >= 0.
[in]	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]	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]	queue	magma_queue_t Queue to execute in.

magma_dtrmv()

void magma_dtrmv	(	magma_uplo_t	uplo,
		magma_trans_t	trans,
		magma_diag_t	diag,
		magma_int_t	n,
		magmaDouble_const_ptr	dA,
		magma_int_t	ldda,
		magmaDouble_ptr	dx,
		magma_int_t	incx,
		magma_queue_t	queue )

Perform triangular matrix-vector product.

\( x = A x \) (trans == MagmaNoTrans), or
\( x = A^T x \) (trans == MagmaTrans), or
\( x = A^H x \) (trans == MagmaConjTrans).

Parameters

[in]	uplo	Whether the upper or lower triangle of A is referenced.
[in]	trans	Operation to perform on A.
[in]	diag	Whether the diagonal of A is assumed to be unit or non-unit.
[in]	n	Number of rows and columns of A. n >= 0.
[in]	dA	DOUBLE PRECISION 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]	dx	DOUBLE PRECISION 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]	queue	magma_queue_t Queue to execute in.

magma_strmv()

void magma_strmv	(	magma_uplo_t	uplo,
		magma_trans_t	trans,
		magma_diag_t	diag,
		magma_int_t	n,
		magmaFloat_const_ptr	dA,
		magma_int_t	ldda,
		magmaFloat_ptr	dx,
		magma_int_t	incx,
		magma_queue_t	queue )

Perform triangular matrix-vector product.

\( x = A x \) (trans == MagmaNoTrans), or
\( x = A^T x \) (trans == MagmaTrans), or
\( x = A^H x \) (trans == MagmaConjTrans).

Parameters

[in]	uplo	Whether the upper or lower triangle of A is referenced.
[in]	trans	Operation to perform on A.
[in]	diag	Whether the diagonal of A is assumed to be unit or non-unit.
[in]	n	Number of rows and columns of A. n >= 0.
[in]	dA	REAL 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]	dx	REAL 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]	queue	magma_queue_t Queue to execute in.

magma_ztrmv()

void magma_ztrmv	(	magma_uplo_t	uplo,
		magma_trans_t	trans,
		magma_diag_t	diag,
		magma_int_t	n,
		magmaDoubleComplex_const_ptr	dA,
		magma_int_t	ldda,
		magmaDoubleComplex_ptr	dx,
		magma_int_t	incx,
		magma_queue_t	queue )

Perform triangular matrix-vector product.

\( x = A x \) (trans == MagmaNoTrans), or
\( x = A^T x \) (trans == MagmaTrans), or
\( x = A^H x \) (trans == MagmaConjTrans).

Parameters

[in]	uplo	Whether the upper or lower triangle of A is referenced.
[in]	trans	Operation to perform on A.
[in]	diag	Whether the diagonal of A is assumed to be unit or non-unit.
[in]	n	Number of rows and columns of A. n >= 0.
[in]	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]	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]	queue	magma_queue_t Queue to execute in.