# rocblas_zher2_strided_batched Interface Reference#

HIPFORT API Reference: hipfort_rocblas::rocblas_zher2_strided_batched Interface Reference
hipfort_rocblas::rocblas_zher2_strided_batched Interface Reference

BLAS Level 2 API. More...

## Public Member Functions

integer(kind(rocblas_status_success)) function rocblas_zher2_strided_batched_ (handle, uplo, n, alpha, x, incx, stride_x, y, incy, stride_y, A, lda, stride_A, batch_count)

integer(kind(rocblas_status_success)) function rocblas_zher2_strided_batched_full_rank (handle, uplo, n, alpha, x, incx, stride_x, y, incy, stride_y, A, lda, stride_A, batch_count)

integer(kind(rocblas_status_success)) function rocblas_zher2_strided_batched_rank_0 (handle, uplo, n, alpha, x, incx, stride_x, y, incy, stride_y, A, lda, stride_A, batch_count)

integer(kind(rocblas_status_success)) function rocblas_zher2_strided_batched_rank_1 (handle, uplo, n, alpha, x, incx, stride_x, y, incy, stride_y, A, lda, stride_A, batch_count)

## Detailed Description

BLAS Level 2 API.

her2_strided_batched performs the matrix-vector operations

A_i := A_i + alpha*x_i*y_i**H + conj(alpha)*y_i*x_i**H


where alpha is a complex scalar, x_i and y_i are vectors, and A_i is an n by n Hermitian matrix for each batch in i = [1, batch_count].

Parameters
 [in] handle [rocblas_handle] handle to the rocblas library context queue. [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. rocblas_fill_lower: The lower triangular part of each A_i is supplied. [in] n [rocblas_int] the number of rows and columns of each matrix A_i, must be at least 0. [in] alpha device pointer or host pointer to scalar alpha. [in] x device pointer pointing to the first vector x_1. [in] incx [rocblas_int] specifies the increment for the elements of each x_i. [in] stride_x [rocblas_stride] specifies the stride between the beginning of one vector (x_i) and the next (x_i+1). [in] y device pointer pointing to the first vector y_i. [in] incy [rocblas_int] specifies the increment for the elements of each y_i. [in] stride_y [rocblas_stride] specifies the stride between the beginning of one vector (y_i) and the next (y_i+1). [in,out] A device pointer pointing to the first matrix (A_1). Stores the specified triangular portion of each Hermitian matrix A_i. if uplo == rocblas_fill_upper: The upper triangular portion of each Hermitian matrix A_i is supplied. The lower triangular portion of each A_i will not be touched. if uplo == rocblas_fill_lower: The lower triangular portion of each Hermitian matrix A_i is supplied. The upper triangular portion of each A_i will not be touched. Note that the imaginary part of the diagonal elements are not accessed and are assumed to be 0. [in] lda [rocblas_int] specifies the leading dimension of each A_i. Must be at least max(lda, 1). [in] stride_A [rocblas_stride] specifies the stride between the beginning of one matrix (A_i) and the next (A_i+1). [in] batch_count [rocblas_int] number of instances in the batch.

## ◆ rocblas_zher2_strided_batched_()

 integer(kind(rocblas_status_success)) function hipfort_rocblas::rocblas_zher2_strided_batched::rocblas_zher2_strided_batched_ ( 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 x, integer(c_int), value incx, integer(c_int64_t), value stride_x, type(c_ptr), value y, integer(c_int), value incy, integer(c_int64_t), value stride_y, type(c_ptr), value A, integer(c_int), value lda, integer(c_int64_t), value stride_A, integer(c_int), value batch_count )

## ◆ rocblas_zher2_strided_batched_full_rank()

 integer(kind(rocblas_status_success)) function hipfort_rocblas::rocblas_zher2_strided_batched::rocblas_zher2_strided_batched_full_rank ( type(c_ptr) handle, integer(kind(rocblas_fill_upper)) uplo, integer(c_int) n, complex(c_double_complex) alpha, complex(c_double_complex), dimension(:), target x, integer(c_int) incx, integer(c_int64_t) stride_x, complex(c_double_complex), dimension(:), target y, integer(c_int) incy, integer(c_int64_t) stride_y, complex(c_double_complex), dimension(:,:), target A, integer(c_int) lda, integer(c_int64_t) stride_A, integer(c_int) batch_count )

## ◆ rocblas_zher2_strided_batched_rank_0()

 integer(kind(rocblas_status_success)) function hipfort_rocblas::rocblas_zher2_strided_batched::rocblas_zher2_strided_batched_rank_0 ( type(c_ptr) handle, integer(kind(rocblas_fill_upper)) uplo, integer(c_int) n, complex(c_double_complex) alpha, complex(c_double_complex), target x, integer(c_int) incx, integer(c_int64_t) stride_x, complex(c_double_complex), target y, integer(c_int) incy, integer(c_int64_t) stride_y, complex(c_double_complex), target A, integer(c_int) lda, integer(c_int64_t) stride_A, integer(c_int) batch_count )

## ◆ rocblas_zher2_strided_batched_rank_1()

 integer(kind(rocblas_status_success)) function hipfort_rocblas::rocblas_zher2_strided_batched::rocblas_zher2_strided_batched_rank_1 ( type(c_ptr) handle, integer(kind(rocblas_fill_upper)) uplo, integer(c_int) n, complex(c_double_complex) alpha, complex(c_double_complex), dimension(:), target x, integer(c_int) incx, integer(c_int64_t) stride_x, complex(c_double_complex), dimension(:), target y, integer(c_int) incy, integer(c_int64_t) stride_y, complex(c_double_complex), dimension(:), target A, integer(c_int) lda, integer(c_int64_t) stride_A, integer(c_int) batch_count )

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