/*! \file */ /* ************************************************************************ * Copyright (C) 2025 Advanced Micro Devices, Inc. All rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * ************************************************************************ */ #ifndef HIPSPARSE_GEMVI_H #define HIPSPARSE_GEMVI_H #ifdef __cplusplus extern "C" { #endif #if(!defined(CUDART_VERSION) || CUDART_VERSION < 12000) /*! \ingroup level2_module * \details * \p hipsparseXgemvi_bufferSize returns the size of the temporary storage buffer in bytes * required by \ref hipsparseSgemvi "hipsparseXgemvi()". The temporary storage buffer must * be allocated by the user. * * @param[in] * handle handle to the hipSPARSE library context queue. * @param[in] * transA matrix operation type. * @param[in] * m number of rows of the dense matrix. * @param[in] * n number of columns of the dense matrix. * @param[in] * nnz number of non-zero entries in the sparse vector. * @param[out] * pBufferSizeInBytes temporary storage buffer size. * * \retval HIPSPARSE_STATUS_SUCCESS the operation completed successfully. * \retval HIPSPARSE_STATUS_INVALID_VALUE \p handle, \p m, \p n, \p nnz, or * \p pBufferSizeInBytes is invalid. * \retval HIPSPARSE_STATUS_NOT_SUPPORTED * \p transA != \ref HIPSPARSE_OPERATION_NON_TRANSPOSE or * \ref hipsparseMatrixType_t != \ref HIPSPARSE_MATRIX_TYPE_GENERAL. */ /**@{*/ HIPSPARSE_EXPORT hipsparseStatus_t hipsparseSgemvi_bufferSize(hipsparseHandle_t handle, hipsparseOperation_t transA, int m, int n, int nnz, int* pBufferSizeInBytes); HIPSPARSE_EXPORT hipsparseStatus_t hipsparseDgemvi_bufferSize(hipsparseHandle_t handle, hipsparseOperation_t transA, int m, int n, int nnz, int* pBufferSizeInBytes); HIPSPARSE_EXPORT hipsparseStatus_t hipsparseCgemvi_bufferSize(hipsparseHandle_t handle, hipsparseOperation_t transA, int m, int n, int nnz, int* pBufferSizeInBytes); HIPSPARSE_EXPORT hipsparseStatus_t hipsparseZgemvi_bufferSize(hipsparseHandle_t handle, hipsparseOperation_t transA, int m, int n, int nnz, int* pBufferSizeInBytes); /**@}*/ #endif #if(!defined(CUDART_VERSION) || CUDART_VERSION < 12000) /*! \ingroup level2_module * \brief Dense matrix sparse vector multiplication * * \details * \p hipsparseXgemvi multiplies the scalar \f$\alpha\f$ with a dense \f$m \times n\f$ * matrix \f$A\f$ and the sparse vector \f$x\f$ and adds the result to the dense vector * \f$y\f$ that is multiplied by the scalar \f$\beta\f$, such that * \f[ * y := \alpha \cdot op(A) \cdot x + \beta \cdot y, * \f] * with * \f[ * op(A) = \left\{ * \begin{array}{ll} * A, & \text{if transA == HIPSPARSE_OPERATION_NON_TRANSPOSE} * \end{array} * \right. * \f] * * Performing the above operation involves two steps. First, the user calls * \ref hipsparseSgemvi_bufferSize "hipsparseXgemvi_bufferSize()" to determine the size of * the temporary storage buffer. Next, the user allocates this temporary buffer and passes it to * \p hipsparseXgemvi to complete the computation. After all calls to \p hipsparseXgemvi are complete, the * temporary storage buffer can be freed. * * \note * This function is non-blocking and executed asynchronously with respect to the host. * It can return before the actual computation has finished. * * \note * Currently, only \p transA == \ref HIPSPARSE_OPERATION_NON_TRANSPOSE is supported. * * @param[in] * handle handle to the hipSPARSE library context queue. * @param[in] * transA matrix operation type. * @param[in] * m number of rows of the dense matrix. * @param[in] * n number of columns of the dense matrix. * @param[in] * alpha scalar \f$\alpha\f$. * @param[in] * A pointer to the dense matrix. * @param[in] * lda leading dimension of the dense matrix. * @param[in] * nnz number of non-zero entries in the sparse vector. * @param[in] * x array of \p nnz elements containing the values of the sparse vector. * @param[in] * xInd array of \p nnz elements containing the indices of the sparse vector. * @param[in] * beta scalar \f$\beta\f$. * @param[inout] * y array of \p m elements (\f$op(A) == A\f$) or \p n elements * (\f$op(A) == A^T\f$ or \f$op(A) == A^H\f$). * @param[in] * idxBase \ref HIPSPARSE_INDEX_BASE_ZERO or \ref HIPSPARSE_INDEX_BASE_ONE. * @param[in] * pBuffer temporary storage buffer. * * \retval HIPSPARSE_STATUS_SUCCESS the operation completed successfully. * \retval HIPSPARSE_STATUS_INVALID_VALUE \p handle, \p m, \p n, \p lda, \p nnz, \p alpha, * \p A, \p x, \p xInd, \p beta, \p y, or \p pBuffer is invalid. * \retval HIPSPARSE_STATUS_NOT_SUPPORTED * \p transA != \ref HIPSPARSE_OPERATION_NON_TRANSPOSE or * \ref hipsparseMatrixType_t != \ref HIPSPARSE_MATRIX_TYPE_GENERAL. */ /**@{*/ HIPSPARSE_EXPORT hipsparseStatus_t hipsparseSgemvi(hipsparseHandle_t handle, hipsparseOperation_t transA, int m, int n, const float* alpha, const float* A, int lda, int nnz, const float* x, const int* xInd, const float* beta, float* y, hipsparseIndexBase_t idxBase, void* pBuffer); HIPSPARSE_EXPORT hipsparseStatus_t hipsparseDgemvi(hipsparseHandle_t handle, hipsparseOperation_t transA, int m, int n, const double* alpha, const double* A, int lda, int nnz, const double* x, const int* xInd, const double* beta, double* y, hipsparseIndexBase_t idxBase, void* pBuffer); HIPSPARSE_EXPORT hipsparseStatus_t hipsparseCgemvi(hipsparseHandle_t handle, hipsparseOperation_t transA, int m, int n, const hipComplex* alpha, const hipComplex* A, int lda, int nnz, const hipComplex* x, const int* xInd, const hipComplex* beta, hipComplex* y, hipsparseIndexBase_t idxBase, void* pBuffer); HIPSPARSE_EXPORT hipsparseStatus_t hipsparseZgemvi(hipsparseHandle_t handle, hipsparseOperation_t transA, int m, int n, const hipDoubleComplex* alpha, const hipDoubleComplex* A, int lda, int nnz, const hipDoubleComplex* x, const int* xInd, const hipDoubleComplex* beta, hipDoubleComplex* y, hipsparseIndexBase_t idxBase, void* pBuffer); /**@}*/ #endif #ifdef __cplusplus } #endif #endif /* HIPSPARSE_GEMVI_H */