derek.holloway
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294 lines
15 KiB
C
294 lines
15 KiB
C
/*! \file */
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/* ************************************************************************
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* Copyright (C) 2023 Advanced Micro Devices, Inc. All rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the Software), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* ************************************************************************ */
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#ifndef ROCSPARSE_CSRGEAM_H
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#define ROCSPARSE_CSRGEAM_H
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#include "../../rocsparse-types.h"
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#include "rocsparse/rocsparse-export.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*! \ingroup extra_module
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* \details
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* \p rocsparse_csrgeam_nnz computes the total CSR non-zero elements and the CSR row
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* offsets that point to the start of every row of the sparse CSR matrix of the
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* resulting matrix C. It is assumed that \p csr_row_ptr_C has been allocated with
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* size \p m+1.
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*
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* \note
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* This function is blocking with respect to the host.
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*
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* \note
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* Currently, only \ref rocsparse_matrix_type_general is supported.
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*
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* \note
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* This routine does not support execution in a hipGraph context.
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*
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* @param[in]
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* handle handle to the rocSPARSE library context queue.
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* @param[in]
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* m number of rows of the sparse CSR matrix \f$A\f$, \f$B\f$, and \f$C\f$.
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* @param[in]
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* n number of columns of the sparse CSR matrix \f$A\f$, \f$B\f$, and \f$C\f$.
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* @param[in]
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* descr_A descriptor of the sparse CSR matrix \f$A\f$. Currently, only
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* \ref rocsparse_matrix_type_general is supported.
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* @param[in]
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* nnz_A number of non-zero entries of the sparse CSR matrix \f$A\f$.
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* @param[in]
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* csr_row_ptr_A array of \p m+1 elements that point to the start of every row of the
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* sparse CSR matrix \f$A\f$.
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* @param[in]
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* csr_col_ind_A array of \p nnz_A elements containing the column indices of the
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* sparse CSR matrix \f$A\f$.
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* @param[in]
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* descr_B descriptor of the sparse CSR matrix \f$B\f$. Currently, only
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* \ref rocsparse_matrix_type_general is supported.
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* @param[in]
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* nnz_B number of non-zero entries of the sparse CSR matrix \f$B\f$.
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* @param[in]
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* csr_row_ptr_B array of \p m+1 elements that point to the start of every row of the
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* sparse CSR matrix \f$B\f$.
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* @param[in]
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* csr_col_ind_B array of \p nnz_B elements containing the column indices of the
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* sparse CSR matrix \f$B\f$.
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* @param[in]
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* descr_C descriptor of the sparse CSR matrix \f$C\f$. Currently, only
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* \ref rocsparse_matrix_type_general is supported.
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* @param[out]
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* csr_row_ptr_C array of \p m+1 elements that point to the start of every row of the
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* sparse CSR matrix \f$C\f$.
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* @param[out]
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* nnz_C pointer to the number of non-zero entries of the sparse CSR
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* matrix \f$C\f$. \p nnz_C can be a host or device pointer.
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*
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* \retval rocsparse_status_success the operation completed successfully.
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* \retval rocsparse_status_invalid_handle the library context was not initialized.
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* \retval rocsparse_status_invalid_size \p m, \p n, \p nnz_A, or \p nnz_B is invalid.
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* \retval rocsparse_status_invalid_pointer \p descr_A, \p csr_row_ptr_A,
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* \p csr_col_ind_A, \p descr_B, \p csr_row_ptr_B, \p csr_col_ind_B,
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* \p descr_C, \p csr_row_ptr_C, or \p nnz_C is invalid.
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* \retval rocsparse_status_not_implemented
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* \p rocsparse_matrix_type != \ref rocsparse_matrix_type_general.
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*/
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ROCSPARSE_EXPORT
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rocsparse_status rocsparse_csrgeam_nnz(rocsparse_handle handle,
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rocsparse_int m,
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rocsparse_int n,
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const rocsparse_mat_descr descr_A,
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rocsparse_int nnz_A,
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const rocsparse_int* csr_row_ptr_A,
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const rocsparse_int* csr_col_ind_A,
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const rocsparse_mat_descr descr_B,
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rocsparse_int nnz_B,
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const rocsparse_int* csr_row_ptr_B,
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const rocsparse_int* csr_col_ind_B,
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const rocsparse_mat_descr descr_C,
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rocsparse_int* csr_row_ptr_C,
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rocsparse_int* nnz_C);
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/*! \ingroup extra_module
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* \brief Sparse matrix sparse matrix addition using the CSR storage format.
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*
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* \details
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* \p rocsparse_csrgeam multiplies the scalar \f$\alpha\f$ with the sparse
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* \f$m \times n\f$ matrix \f$A\f$, defined in CSR storage format, multiplies the
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* scalar \f$\beta\f$ with the sparse \f$m \times n\f$ matrix \f$B\f$, defined in CSR
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* storage format, and adds both resulting matrices to obtain the sparse
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* \f$m \times n\f$ matrix \f$C\f$, defined in CSR storage format, such that
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* \f[
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* C := \alpha \cdot A + \beta \cdot B.
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* \f]
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*
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* It is assumed that \p csr_row_ptr_C has already been filled and that \p csr_val_C and
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* \p csr_col_ind_C are allocated by the user. \p csr_row_ptr_C and the allocation size of
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* \p csr_col_ind_C and \p csr_val_C is defined by the number of non-zero elements of
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* the sparse CSR matrix C. Both can be obtained by \ref rocsparse_csrgeam_nnz().
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*
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* \note Both scalars \f$\alpha\f$ and \f$beta\f$ have to be valid.
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*
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* \note Currently, only \ref rocsparse_matrix_type_general is supported.
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*
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* \note
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* This function is blocking with respect to the host.
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*
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* \note
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* This routine does not support execution in a hipGraph context.
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*
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* @param[in]
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* handle handle to the rocSPARSE library context queue.
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* @param[in]
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* m number of rows of the sparse CSR matrix \f$A\f$, \f$B\f$, and \f$C\f$.
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* @param[in]
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* n number of columns of the sparse CSR matrix \f$A\f$, \f$B\f$, and \f$C\f$.
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* @param[in]
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* alpha scalar \f$\alpha\f$.
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* @param[in]
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* descr_A descriptor of the sparse CSR matrix \f$A\f$. Currently, only
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* \ref rocsparse_matrix_type_general is supported.
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* @param[in]
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* nnz_A number of non-zero entries of the sparse CSR matrix \f$A\f$.
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* @param[in]
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* csr_val_A array of \p nnz_A elements of the sparse CSR matrix \f$A\f$.
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* @param[in]
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* csr_row_ptr_A array of \p m+1 elements that point to the start of every row of the
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* sparse CSR matrix \f$A\f$.
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* @param[in]
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* csr_col_ind_A array of \p nnz_A elements containing the column indices of the
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* sparse CSR matrix \f$A\f$.
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* @param[in]
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* beta scalar \f$\beta\f$.
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* @param[in]
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* descr_B descriptor of the sparse CSR matrix \f$B\f$. Currently, only
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* \ref rocsparse_matrix_type_general is supported.
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* @param[in]
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* nnz_B number of non-zero entries of the sparse CSR matrix \f$B\f$.
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* @param[in]
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* csr_val_B array of \p nnz_B elements of the sparse CSR matrix \f$B\f$.
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* @param[in]
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* csr_row_ptr_B array of \p m+1 elements that point to the start of every row of the
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* sparse CSR matrix \f$B\f$.
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* @param[in]
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* csr_col_ind_B array of \p nnz_B elements containing the column indices of the
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* sparse CSR matrix \f$B\f$.
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* @param[in]
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* descr_C descriptor of the sparse CSR matrix \f$C\f$. Currently, only
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* \ref rocsparse_matrix_type_general is supported.
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* @param[out]
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* csr_val_C array of elements of the sparse CSR matrix \f$C\f$.
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* @param[in]
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* csr_row_ptr_C array of \p m+1 elements that point to the start of every row of the
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* sparse CSR matrix \f$C\f$.
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* @param[out]
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* csr_col_ind_C array of elements containing the column indices of the
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* sparse CSR matrix \f$C\f$.
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*
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* \retval rocsparse_status_success the operation completed successfully.
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* \retval rocsparse_status_invalid_handle the library context was not initialized.
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* \retval rocsparse_status_invalid_size \p m, \p n, \p nnz_A, or \p nnz_B is invalid.
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* \retval rocsparse_status_invalid_pointer \p alpha, \p descr_A, \p csr_val_A,
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* \p csr_row_ptr_A, \p csr_col_ind_A, \p beta, \p descr_B, \p csr_val_B,
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* \p csr_row_ptr_B, \p csr_col_ind_B, \p descr_C, \p csr_val_C,
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* \p csr_row_ptr_C, or \p csr_col_ind_C is invalid.
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* \retval rocsparse_status_not_implemented
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* \p rocsparse_matrix_type != \ref rocsparse_matrix_type_general.
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*
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* \par Example
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* This example adds two CSR matrices.
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* \snippet example_rocsparse_csrgeam.cpp doc example
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*/
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/**@{*/
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ROCSPARSE_EXPORT
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rocsparse_status rocsparse_scsrgeam(rocsparse_handle handle,
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rocsparse_int m,
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rocsparse_int n,
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const float* alpha,
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const rocsparse_mat_descr descr_A,
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rocsparse_int nnz_A,
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const float* csr_val_A,
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const rocsparse_int* csr_row_ptr_A,
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const rocsparse_int* csr_col_ind_A,
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const float* beta,
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const rocsparse_mat_descr descr_B,
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rocsparse_int nnz_B,
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const float* csr_val_B,
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const rocsparse_int* csr_row_ptr_B,
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const rocsparse_int* csr_col_ind_B,
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const rocsparse_mat_descr descr_C,
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float* csr_val_C,
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const rocsparse_int* csr_row_ptr_C,
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rocsparse_int* csr_col_ind_C);
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ROCSPARSE_EXPORT
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rocsparse_status rocsparse_dcsrgeam(rocsparse_handle handle,
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rocsparse_int m,
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rocsparse_int n,
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const double* alpha,
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const rocsparse_mat_descr descr_A,
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rocsparse_int nnz_A,
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const double* csr_val_A,
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const rocsparse_int* csr_row_ptr_A,
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const rocsparse_int* csr_col_ind_A,
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const double* beta,
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const rocsparse_mat_descr descr_B,
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rocsparse_int nnz_B,
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const double* csr_val_B,
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const rocsparse_int* csr_row_ptr_B,
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const rocsparse_int* csr_col_ind_B,
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const rocsparse_mat_descr descr_C,
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double* csr_val_C,
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const rocsparse_int* csr_row_ptr_C,
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rocsparse_int* csr_col_ind_C);
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ROCSPARSE_EXPORT
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rocsparse_status rocsparse_ccsrgeam(rocsparse_handle handle,
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rocsparse_int m,
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rocsparse_int n,
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const rocsparse_float_complex* alpha,
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const rocsparse_mat_descr descr_A,
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rocsparse_int nnz_A,
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const rocsparse_float_complex* csr_val_A,
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const rocsparse_int* csr_row_ptr_A,
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const rocsparse_int* csr_col_ind_A,
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const rocsparse_float_complex* beta,
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const rocsparse_mat_descr descr_B,
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rocsparse_int nnz_B,
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const rocsparse_float_complex* csr_val_B,
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const rocsparse_int* csr_row_ptr_B,
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const rocsparse_int* csr_col_ind_B,
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const rocsparse_mat_descr descr_C,
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rocsparse_float_complex* csr_val_C,
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const rocsparse_int* csr_row_ptr_C,
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rocsparse_int* csr_col_ind_C);
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ROCSPARSE_EXPORT
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rocsparse_status rocsparse_zcsrgeam(rocsparse_handle handle,
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rocsparse_int m,
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rocsparse_int n,
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const rocsparse_double_complex* alpha,
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const rocsparse_mat_descr descr_A,
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rocsparse_int nnz_A,
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const rocsparse_double_complex* csr_val_A,
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const rocsparse_int* csr_row_ptr_A,
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const rocsparse_int* csr_col_ind_A,
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const rocsparse_double_complex* beta,
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const rocsparse_mat_descr descr_B,
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rocsparse_int nnz_B,
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const rocsparse_double_complex* csr_val_B,
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const rocsparse_int* csr_row_ptr_B,
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const rocsparse_int* csr_col_ind_B,
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const rocsparse_mat_descr descr_C,
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rocsparse_double_complex* csr_val_C,
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const rocsparse_int* csr_row_ptr_C,
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rocsparse_int* csr_col_ind_C);
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/**@}*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* ROCSPARSE_CSRGEAM_H */
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