rocsolver_sposv Interface Reference

• hipfort_rocsolver
• rocsolver_sposv

Public Member Functions | List of all members

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
	)

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

• hipfort_rocsolver.f