rocsolver_sposv Interface Reference#
hipfort_rocsolver::rocsolver_sposv Interface Reference
POSV solves a symmetric/hermitian system of n linear equations on n variables. More...
Public Member Functions | |
| integer(kind(rocblas_status_success)) function | rocsolver_sposv_ (handle, uplo, n, nrhs, A, lda, B, ldb, myInfo) |
| integer(kind(rocblas_status_success)) function | rocsolver_sposv_full_rank (handle, uplo, n, nrhs, A, lda, B, ldb, myInfo) |
| integer(kind(rocblas_status_success)) function | rocsolver_sposv_rank_0 (handle, uplo, n, nrhs, A, lda, B, ldb, myInfo) |
| integer(kind(rocblas_status_success)) function | rocsolver_sposv_rank_1 (handle, uplo, n, nrhs, A, lda, B, ldb, myInfo) |
Detailed Description
POSV solves a symmetric/hermitian system of n linear equations on n variables.
It solves the system
\[ A X = B \]
where A is a real symmetric (complex hermitian) positive definite matrix. Matrix A is first factorized as \(A=LL'\) or \(A=U'U\), depending on the value of uplo, using POTRF; then, the solution is computed with POTRS.
- 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 A.[in] nrhs rocblas_int. nrhs >= 0.
The number of right hand sides, i.e., the number of columns of the matrix B.[in] A pointer to type. Array on the GPU of dimension lda*n.
On entry, the symmetric/hermitian matrix A. On exit, if info = 0, the factor L or U of the Cholesky factorization of A returned by POTRF.[in] lda rocblas_int. lda >= n.
The leading dimension of A.[in,out] B pointer to type. Array on the GPU of dimension ldb*nrhs.
On entry, the right hand side matrix B. On exit, the solution matrix X.[in] ldb rocblas_int. ldb >= n.
The leading dimension of B.[out] info pointer to a rocblas_int on the GPU.
If info = 0, successful exit. If info = j > 0, the leading minor of order j of A is not positive definite. The solution could not be computed.
Member Function/Subroutine Documentation
◆ rocsolver_sposv_()
| integer(kind(rocblas_status_success)) function hipfort_rocsolver::rocsolver_sposv::rocsolver_sposv_ | ( | 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), value | A, | ||
| integer(c_int), value | lda, | ||
| type(c_ptr), value | B, | ||
| integer(c_int), value | ldb, | ||
| integer(c_int) | myInfo | ||
| ) |
◆ rocsolver_sposv_full_rank()
| integer(kind(rocblas_status_success)) function hipfort_rocsolver::rocsolver_sposv::rocsolver_sposv_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 | ||
| ) |
◆ rocsolver_sposv_rank_0()
| integer(kind(rocblas_status_success)) function hipfort_rocsolver::rocsolver_sposv::rocsolver_sposv_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 | ||
| ) |
◆ rocsolver_sposv_rank_1()
| integer(kind(rocblas_status_success)) function hipfort_rocsolver::rocsolver_sposv::rocsolver_sposv_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 | ||
| ) |
The documentation for this interface was generated from the following file: