rocsolver_sposv_batched Interface Reference#
hipfort_rocsolver::rocsolver_sposv_batched Interface Reference
POSV_BATCHED solves a batch of symmetric/hermitian systems of n linear equations on n variables. More...
Public Member Functions | |
| integer(kind(rocblas_status_success)) function | rocsolver_sposv_batched_ (handle, uplo, n, nrhs, A, lda, B, ldb, myInfo, batch_count) |
| integer(kind(rocblas_status_success)) function | rocsolver_sposv_batched_full_rank (handle, uplo, n, nrhs, A, lda, B, ldb, myInfo, batch_count) |
| integer(kind(rocblas_status_success)) function | rocsolver_sposv_batched_rank_0 (handle, uplo, n, nrhs, A, lda, B, ldb, myInfo, batch_count) |
| integer(kind(rocblas_status_success)) function | rocsolver_sposv_batched_rank_1 (handle, uplo, n, nrhs, A, lda, B, ldb, myInfo, batch_count) |
Detailed Description
POSV_BATCHED solves a batch of symmetric/hermitian systems of n linear equations on n variables.
For each instance j in the batch, it solves the system
\[ A_j X_j = B_j \]
where \(A_j\) is a real symmetric (complex hermitian) positive definite matrix. Matrix \(A_j\) is first factorized as \(A_j=L_jL_j'\) or \(A_j=U_j'U_j\), depending on the value of uplo, using POTRF_BATCHED; then, the solution is computed with POTRS_BATCHED.
- Parameters
-
[in] handle rocblas_handle. [in] uplo rocblas_fill.
Specifies whether the factorization is upper or lower triangular. If uplo indicates lower (or upper), then the upper (or lower) part of A is not used.[in] n rocblas_int. n >= 0.
The order of the system, i.e. the number of columns and rows of all A_j matrices.[in] nrhs rocblas_int. nrhs >= 0.
The number of right hand sides, i.e., the number of columns of all the matrices B_j.[in] A Array of pointers to type. Each pointer points to an array on the GPU of dimension lda*n.
On entry, the symmetric/hermitian matrices A_j. On exit, if info[j] = 0, the factor L_j or U_j of the Cholesky factorization of A_j returned by POTRF_BATCHED.[in] lda rocblas_int. lda >= n.
The leading dimension of matrices A_j.[in,out] B Array of pointers to type. Each pointer points to an array on the GPU of dimension ldb*nrhs.
On entry, the right hand side matrices B_j. On exit, the solution matrix X_j of each system in the batch.[in] ldb rocblas_int. ldb >= n.
The leading dimension of matrices B_j.[out] info pointer to rocblas_int. Array of batch_count integers on the GPU.
If info[j] = 0, successful exit. If info[j] = i > 0, the leading minor of order i of A_j is not positive definite. The j-th solution could not be computed.[in] batch_count rocblas_int. batch_count >= 0.
Number of instances (systems) in the batch.
Member Function/Subroutine Documentation
◆ rocsolver_sposv_batched_()
| integer(kind(rocblas_status_success)) function hipfort_rocsolver::rocsolver_sposv_batched::rocsolver_sposv_batched_ | ( | type(c_ptr), value | handle, |
| integer(kind(rocblas_fill_upper)), value | uplo, | ||
| integer(c_int), value | n, | ||
| integer(c_int), value | nrhs, | ||
| type(c_ptr) | A, | ||
| integer(c_int), value | lda, | ||
| type(c_ptr) | B, | ||
| integer(c_int), value | ldb, | ||
| integer(c_int) | myInfo, | ||
| integer(c_int), value | batch_count | ||
| ) |
◆ rocsolver_sposv_batched_full_rank()
| integer(kind(rocblas_status_success)) function hipfort_rocsolver::rocsolver_sposv_batched::rocsolver_sposv_batched_full_rank | ( | type(c_ptr) | handle, |
| integer(kind(rocblas_fill_upper)) | uplo, | ||
| integer(c_int) | n, | ||
| integer(c_int) | nrhs, | ||
| real(c_float), dimension(:,:,:), target | A, | ||
| integer(c_int) | lda, | ||
| real(c_float), dimension(:,:,:), target | B, | ||
| integer(c_int) | ldb, | ||
| integer(c_int) | myInfo, | ||
| integer(c_int) | batch_count | ||
| ) |
◆ rocsolver_sposv_batched_rank_0()
| integer(kind(rocblas_status_success)) function hipfort_rocsolver::rocsolver_sposv_batched::rocsolver_sposv_batched_rank_0 | ( | type(c_ptr) | handle, |
| integer(kind(rocblas_fill_upper)) | uplo, | ||
| integer(c_int) | n, | ||
| integer(c_int) | nrhs, | ||
| real(c_float), target | A, | ||
| integer(c_int) | lda, | ||
| real(c_float), target | B, | ||
| integer(c_int) | ldb, | ||
| integer(c_int) | myInfo, | ||
| integer(c_int) | batch_count | ||
| ) |
◆ rocsolver_sposv_batched_rank_1()
| integer(kind(rocblas_status_success)) function hipfort_rocsolver::rocsolver_sposv_batched::rocsolver_sposv_batched_rank_1 | ( | type(c_ptr) | handle, |
| integer(kind(rocblas_fill_upper)) | uplo, | ||
| integer(c_int) | n, | ||
| integer(c_int) | nrhs, | ||
| real(c_float), dimension(:), target | A, | ||
| integer(c_int) | lda, | ||
| real(c_float), dimension(:), target | B, | ||
| integer(c_int) | ldb, | ||
| integer(c_int) | myInfo, | ||
| integer(c_int) | batch_count | ||
| ) |
The documentation for this interface was generated from the following file: