rocblas_zhpmv Interface Reference

• hipfort_rocblas
• rocblas_zhpmv

Public Member Functions | List of all members

hipfort_rocblas::rocblas_zhpmv Interface Reference

BLAS Level 2 API. More...

Public Member Functions
integer(kind(rocblas_status_success)) function	rocblas_zhpmv_ (handle, uplo, n, alpha, AP, x, incx, beta, y, incy)
integer(kind(rocblas_status_success)) function	rocblas_zhpmv_rank_0 (handle, uplo, n, alpha, AP, x, incx, beta, y, incy)
integer(kind(rocblas_status_success)) function	rocblas_zhpmv_rank_1 (handle, uplo, n, alpha, AP, x, incx, beta, y, incy)

Detailed Description

BLAS Level 2 API.

hpmv performs the matrix-vector operation

y := alpha*A*x + beta*y

where alpha and beta are scalars, x and y are n element vectors and A is an n by n Hermitian matrix, supplied in packed form (see description below).

Parameters

[in]	handle	[rocblas_handle] handle to the rocblas library context queue.
[in]	uplo	[rocblas_fill] rocblas_fill_upper: the upper triangular part of the Hermitian matrix A is supplied in AP. rocblas_fill_lower: the lower triangular part of the Hermitian matrix A is supplied in AP.
[in]	n	[rocblas_int] the order of the matrix A, must be >= 0.
[in]	alpha	device pointer or host pointer to scalar alpha.
[in]	AP	device pointer storing the packed version of the specified triangular portion of the Hermitian matrix A. Of at least size ((n * (n + 1)) 2). if uplo == rocblas_fill_upper: The upper triangular portion of the Hermitian matrix A is supplied. The matrix is compacted so that AP contains the triangular portion column-by-column so that: AP(0) = A(0,0) AP(1) = A(0,1) AP(2) = A(1,1), etc. Ex: (rocblas_fill_upper; n = 3) (1, 0) (2, 1) (3, 2) (2,-1) (4, 0) (5,-1) --—> [(1,0), (2,1), (4,0), (3,2), (5,-1), (6,0)] (3,-2) (5, 1) (6, 0) if uplo == rocblas_fill_lower: The lower triangular portion of the Hermitian matrix A is supplied. The matrix is compacted so that AP contains the triangular portion column-by-column so that: AP(0) = A(0,0) AP(1) = A(1,0) AP(2) = A(2,1), etc. Ex: (rocblas_fill_lower; n = 3) (1, 0) (2, 1) (3, 2) (2,-1) (4, 0) (5,-1) --—> [(1,0), (2,-1), (3,-2), (4,0), (5,1), (6,0)] (3,-2) (5, 1) (6, 0) Note that the imaginary part of the diagonal elements are not accessed and are assumed to be 0.
[in]	x	device pointer storing vector x.
[in]	incx	[rocblas_int] specifies the increment for the elements of x.
[in]	beta	device pointer or host pointer to scalar beta.
[in,out]	y	device pointer storing vector y.
[in]	incy	[rocblas_int] specifies the increment for the elements of y.

Member Function/Subroutine Documentation

◆ rocblas_zhpmv_()

integer(kind(rocblas_status_success)) function hipfort_rocblas::rocblas_zhpmv::rocblas_zhpmv_	(	type(c_ptr), value	handle,
		integer(kind(rocblas_fill_upper)), value	uplo,
		integer(c_int), value	n,
		complex(c_double_complex)	alpha,
		type(c_ptr), value	AP,
		type(c_ptr), value	x,
		integer(c_int), value	incx,
		complex(c_double_complex)	beta,
		type(c_ptr), value	y,
		integer(c_int), value	incy
	)

◆ rocblas_zhpmv_rank_0()

integer(kind(rocblas_status_success)) function hipfort_rocblas::rocblas_zhpmv::rocblas_zhpmv_rank_0	(	type(c_ptr)	handle,
		integer(kind(rocblas_fill_upper))	uplo,
		integer(c_int)	n,
		complex(c_double_complex)	alpha,
		type(c_ptr)	AP,
		complex(c_double_complex), target	x,
		integer(c_int)	incx,
		complex(c_double_complex)	beta,
		complex(c_double_complex), target	y,
		integer(c_int)	incy
	)

◆ rocblas_zhpmv_rank_1()

integer(kind(rocblas_status_success)) function hipfort_rocblas::rocblas_zhpmv::rocblas_zhpmv_rank_1	(	type(c_ptr)	handle,
		integer(kind(rocblas_fill_upper))	uplo,
		integer(c_int)	n,
		complex(c_double_complex)	alpha,
		type(c_ptr)	AP,
		complex(c_double_complex), dimension(:), target	x,
		integer(c_int)	incx,
		complex(c_double_complex)	beta,
		complex(c_double_complex), dimension(:), target	y,
		integer(c_int)	incy
	)

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The documentation for this interface was generated from the following file:

• hipfort_rocblas.f