rocblas_zhpr_batched Interface Reference#
hipfort_rocblas::rocblas_zhpr_batched Interface Reference
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Public Member Functions | |
| integer(kind(rocblas_status_success)) function | rocblas_zhpr_batched_ (handle, uplo, n, alpha, x, incx, AP, batch_count) |
| integer(kind(rocblas_status_success)) function | rocblas_zhpr_batched_full_rank (handle, uplo, n, alpha, x, incx, AP, batch_count) |
| integer(kind(rocblas_status_success)) function | rocblas_zhpr_batched_rank_0 (handle, uplo, n, alpha, x, incx, AP, batch_count) |
| integer(kind(rocblas_status_success)) function | rocblas_zhpr_batched_rank_1 (handle, uplo, n, alpha, x, incx, AP, batch_count) |
Detailed Description
!
BLAS Level 2 API
\details
xHPR_BATCHED performs the matrix-vector operations
A_i := A_i + alphax_ix_iH
where alpha is a real scalar, x_i is a vector, and A_i is an
n by n symmetric matrix, supplied in packed form, for i = 1, ..., batch_count.
@param[in]
handle [rocblas_handle]
handle to the rocblas library context queue.
@param[in]
uplo [rocblas_fill]
specifies whether the upper 'rocblas_fill_upper' or lower 'rocblas_fill_lower'
rocblas_fill_upper: The upper triangular part of each A_i is supplied in AP.
rocblas_fill_lower: The lower triangular part of each A_i is supplied in AP.
@param[in]
n [rocblas_int]
the number of rows and columns of each matrix A_i, must be at least 0.
@param[in]
alpha
device pointer or host pointer to scalar alpha.
@param[in]
x device array of device pointers storing each vector x_i.
@param[in]
incx [rocblas_int]
specifies the increment for the elements of each x_i.
@param[inout]
AP device array of device pointers storing the packed version of the specified triangular portion of
each Hermitian matrix A_i of at least size ((n (n + 1)) 2). Array is of at least size batch_count.
if uplo == rocblas_fill_upper:
The upper triangular portion of each Hermitian matrix A_i 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) (4,9)
(2,-1) (3, 0) (5,3) -----> [(1,0), (2,1), (3,0), (4,9), (5,3), (6,0)]
(4,-9) (5,-3) (6,0)
if uplo == rocblas_fill_lower:
The lower triangular portion of each Hermitian matrix A_i 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) (4,9)
(2,-1) (3, 0) (5,3) -----> [(1,0), (2,-1), (4,-9), (3,0), (5,-3), (6,0)]
(4,-9) (5,-3) (6,0)
Note that the imaginary part of the diagonal elements are not accessed and are assumed
to be 0.
@param[in]
batch_count [rocblas_int]
number of instances in the batch.
Member Function/Subroutine Documentation
◆ rocblas_zhpr_batched_()
| integer(kind(rocblas_status_success)) function hipfort_rocblas::rocblas_zhpr_batched::rocblas_zhpr_batched_ | ( | type(c_ptr), value | handle, |
| integer(kind(rocblas_fill_upper)), value | uplo, | ||
| integer(c_int), value | n, | ||
| real(c_double) | alpha, | ||
| type(c_ptr) | x, | ||
| integer(c_int), value | incx, | ||
| type(c_ptr) | AP, | ||
| integer(c_int), value | batch_count | ||
| ) |
◆ rocblas_zhpr_batched_full_rank()
| integer(kind(rocblas_status_success)) function hipfort_rocblas::rocblas_zhpr_batched::rocblas_zhpr_batched_full_rank | ( | type(c_ptr) | handle, |
| integer(kind(rocblas_fill_upper)) | uplo, | ||
| integer(c_int) | n, | ||
| real(c_double) | alpha, | ||
| complex(c_double_complex), dimension(:,:), target | x, | ||
| integer(c_int) | incx, | ||
| type(c_ptr) | AP, | ||
| integer(c_int) | batch_count | ||
| ) |
◆ rocblas_zhpr_batched_rank_0()
| integer(kind(rocblas_status_success)) function hipfort_rocblas::rocblas_zhpr_batched::rocblas_zhpr_batched_rank_0 | ( | type(c_ptr) | handle, |
| integer(kind(rocblas_fill_upper)) | uplo, | ||
| integer(c_int) | n, | ||
| real(c_double) | alpha, | ||
| complex(c_double_complex), target | x, | ||
| integer(c_int) | incx, | ||
| type(c_ptr) | AP, | ||
| integer(c_int) | batch_count | ||
| ) |
◆ rocblas_zhpr_batched_rank_1()
| integer(kind(rocblas_status_success)) function hipfort_rocblas::rocblas_zhpr_batched::rocblas_zhpr_batched_rank_1 | ( | type(c_ptr) | handle, |
| integer(kind(rocblas_fill_upper)) | uplo, | ||
| integer(c_int) | n, | ||
| real(c_double) | alpha, | ||
| complex(c_double_complex), dimension(:), target | x, | ||
| integer(c_int) | incx, | ||
| type(c_ptr) | AP, | ||
| integer(c_int) | batch_count | ||
| ) |
The documentation for this interface was generated from the following file: