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283 lines
16 KiB
C
283 lines
16 KiB
C
/*! \file */
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/* ************************************************************************
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* Copyright (C) 2023-2024 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_GEBSR2GEBSC_H
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#define ROCSPARSE_GEBSR2GEBSC_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 conv_module
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* \details
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* \p rocsparse_gebsr2gebsc_buffer_size returns the size of the temporary storage buffer
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* required by \ref rocsparse_sgebsr2gebsc "rocsparse_Xgebsr2gebsc()".
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* The temporary storage buffer must be allocated by the user.
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*
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* \note
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* This function is non-blocking and executed asynchronously with respect to the host.
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* It can return before the actual computation has finished.
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*
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* \note
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* This routine supports 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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* mb number of rows of the sparse general BSR matrix.
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* @param[in]
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* nb number of columns of the sparse general BSR matrix.
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* @param[in]
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* nnzb number of non-zero entries of the sparse general BSR matrix.
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* @param[in]
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* bsr_val array of \p nnzb*row_block_dim*col_block_dim containing the values of the sparse general BSR matrix.
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* @param[in]
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* bsr_row_ptr array of \p mb+1 elements that point to the start of every row of the
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* sparse general BSR matrix.
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* @param[in]
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* bsr_col_ind array of \p nnzb elements containing the column indices of the sparse
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* general BSR matrix.
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* @param[in]
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* row_block_dim row size of the blocks in the sparse general BSR matrix.
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* @param[in]
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* col_block_dim col size of the blocks in the sparse general BSR matrix.
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* @param[out]
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* p_buffer_size number of bytes of the temporary storage buffer required by
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* rocsparse_sgebsr2gebsc(), rocsparse_dgebsr2gebsc(), rocsparse_cgebsr2gebsc(), and
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* rocsparse_zgebsr2gebsc().
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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 mb, \p nb, or \p nnzb is invalid.
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* \retval rocsparse_status_invalid_pointer \p bsr_row_ptr, \p bsr_col_ind, or
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* \p p_buffer_size pointer is invalid.
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* \retval rocsparse_status_internal_error an internal error occurred.
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*/
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/**@{*/
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ROCSPARSE_EXPORT
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rocsparse_status rocsparse_sgebsr2gebsc_buffer_size(rocsparse_handle handle,
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rocsparse_int mb,
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rocsparse_int nb,
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rocsparse_int nnzb,
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const float* bsr_val,
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const rocsparse_int* bsr_row_ptr,
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const rocsparse_int* bsr_col_ind,
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rocsparse_int row_block_dim,
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rocsparse_int col_block_dim,
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size_t* p_buffer_size);
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ROCSPARSE_EXPORT
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rocsparse_status rocsparse_dgebsr2gebsc_buffer_size(rocsparse_handle handle,
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rocsparse_int mb,
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rocsparse_int nb,
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rocsparse_int nnzb,
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const double* bsr_val,
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const rocsparse_int* bsr_row_ptr,
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const rocsparse_int* bsr_col_ind,
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rocsparse_int row_block_dim,
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rocsparse_int col_block_dim,
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size_t* p_buffer_size);
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ROCSPARSE_EXPORT
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rocsparse_status rocsparse_cgebsr2gebsc_buffer_size(rocsparse_handle handle,
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rocsparse_int mb,
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rocsparse_int nb,
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rocsparse_int nnzb,
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const rocsparse_float_complex* bsr_val,
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const rocsparse_int* bsr_row_ptr,
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const rocsparse_int* bsr_col_ind,
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rocsparse_int row_block_dim,
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rocsparse_int col_block_dim,
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size_t* p_buffer_size);
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ROCSPARSE_EXPORT
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rocsparse_status rocsparse_zgebsr2gebsc_buffer_size(rocsparse_handle handle,
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rocsparse_int mb,
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rocsparse_int nb,
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rocsparse_int nnzb,
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const rocsparse_double_complex* bsr_val,
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const rocsparse_int* bsr_row_ptr,
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const rocsparse_int* bsr_col_ind,
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rocsparse_int row_block_dim,
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rocsparse_int col_block_dim,
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size_t* p_buffer_size);
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/**@}*/
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/*! \ingroup conv_module
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* \brief Convert a sparse general BSR matrix into a sparse general BSC matrix.
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*
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* \details
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* \p rocsparse_gebsr2gebsc converts a general BSR matrix into a general BSC matrix. The resulting
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* matrix can also be seen as the transpose of the input matrix. \p rocsparse_gebsr2gebsc can also
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* be used to convert a general BSC matrix into a general BSR matrix.
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*
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* The conversion of a sparse matrix from general BSR to general BSC format involves two steps. First,
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* call \ref rocsparse_sgebsr2gebsc_buffer_size "rocsparse_Xgebsr2gebsc_buffer_size()" to
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* determine the size of the required tempory storage buffer. Then allocate this buffer. Secondly,
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* call \p rocsparse_gebsr2gebsc to complete the conversion. After the conversion is complete, the
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* user must free the temporary buffer.
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*
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* \p rocsparse_gebsr2gebsc takes a \ref rocsparse_action parameter as input. This \p copy_values parameter
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* decides whether \p bsc_row_ind and \p bsc_val are filled during conversion (\ref rocsparse_action_numeric)
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* or whether only \p bsc_row_ind is filled (\ref rocsparse_action_symbolic). Using
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* \ref rocsparse_action_symbolic can be useful, for example, if only the sparsity pattern is required.
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*
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* \note
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* The resulting matrix can also be seen as the transpose of the input matrix.
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*
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* \note
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* This function is non-blocking and executed asynchronously with respect to the host.
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* It can return before the actual computation has finished.
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*
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* \note
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* This routine supports 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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* mb number of rows of the sparse general BSR matrix.
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* @param[in]
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* nb number of columns of the sparse general BSR matrix.
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* @param[in]
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* nnzb number of non-zero entries of the sparse general BSR matrix.
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* @param[in]
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* bsr_val array of \p nnzb * \p row_block_dim * \p col_block_dim elements of the sparse general BSR matrix.
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* @param[in]
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* bsr_row_ptr array of \p mb+1 elements that point to the start of every row of the
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* sparse general BSR matrix.
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* @param[in]
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* bsr_col_ind array of \p nnz elements containing the column indices of the sparse
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* general BSR matrix.
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* @param[in]
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* row_block_dim row size of the blocks in the sparse general BSR matrix.
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* @param[in]
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* col_block_dim col size of the blocks in the sparse general BSR matrix.
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* @param[out]
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* bsc_val array of \p nnz elements of the sparse BSC matrix.
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* @param[out]
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* bsc_row_ind array of \p nnz elements containing the row indices of the sparse BSC
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* matrix.
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* @param[out]
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* bsc_col_ptr array of \p nb+1 elements that point to the start of every column of the
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* sparse BSC matrix.
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* @param[in]
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* copy_values \ref rocsparse_action_symbolic or \ref rocsparse_action_numeric.
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* @param[in]
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* idx_base \ref rocsparse_index_base_zero or \ref rocsparse_index_base_one.
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* @param[in]
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* temp_buffer temporary storage buffer allocated by the user. The size is returned by
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* \ref rocsparse_sgebsr2gebsc_buffer_size "rocsparse_Xgebsr2gebsc_buffer_size()".
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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 mb, \p nb, or \p nnzb is invalid.
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* \retval rocsparse_status_invalid_pointer \p bsr_val, \p bsr_row_ptr,
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* \p bsr_col_ind, \p bsc_val, \p bsc_row_ind, \p bsc_col_ptr, or
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* \p temp_buffer pointer is invalid.
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* \retval rocsparse_status_arch_mismatch the device is not supported.
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* \retval rocsparse_status_internal_error an internal error occurred.
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*
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* \par Example
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* This example computes the transpose of a general BSR matrix.
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* \snippet example_rocsparse_gebsr2gebsc.cpp doc example
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*/
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/**@{*/
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ROCSPARSE_EXPORT
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rocsparse_status rocsparse_sgebsr2gebsc(rocsparse_handle handle,
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rocsparse_int mb,
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rocsparse_int nb,
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rocsparse_int nnzb,
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const float* bsr_val,
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const rocsparse_int* bsr_row_ptr,
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const rocsparse_int* bsr_col_ind,
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rocsparse_int row_block_dim,
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rocsparse_int col_block_dim,
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float* bsc_val,
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rocsparse_int* bsc_row_ind,
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rocsparse_int* bsc_col_ptr,
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rocsparse_action copy_values,
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rocsparse_index_base idx_base,
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void* temp_buffer);
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ROCSPARSE_EXPORT
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rocsparse_status rocsparse_dgebsr2gebsc(rocsparse_handle handle,
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rocsparse_int mb,
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rocsparse_int nb,
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rocsparse_int nnzb,
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const double* bsr_val,
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const rocsparse_int* bsr_row_ptr,
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const rocsparse_int* bsr_col_ind,
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rocsparse_int row_block_dim,
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rocsparse_int col_block_dim,
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double* bsc_val,
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rocsparse_int* bsc_row_ind,
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rocsparse_int* bsc_col_ptr,
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rocsparse_action copy_values,
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rocsparse_index_base idx_base,
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void* temp_buffer);
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ROCSPARSE_EXPORT
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rocsparse_status rocsparse_cgebsr2gebsc(rocsparse_handle handle,
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rocsparse_int mb,
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rocsparse_int nb,
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rocsparse_int nnzb,
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const rocsparse_float_complex* bsr_val,
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const rocsparse_int* bsr_row_ptr,
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const rocsparse_int* bsr_col_ind,
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rocsparse_int row_block_dim,
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rocsparse_int col_block_dim,
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rocsparse_float_complex* bsc_val,
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rocsparse_int* bsc_row_ind,
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rocsparse_int* bsc_col_ptr,
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rocsparse_action copy_values,
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rocsparse_index_base idx_base,
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void* temp_buffer);
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ROCSPARSE_EXPORT
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rocsparse_status rocsparse_zgebsr2gebsc(rocsparse_handle handle,
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rocsparse_int mb,
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rocsparse_int nb,
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rocsparse_int nnzb,
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const rocsparse_double_complex* bsr_val,
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const rocsparse_int* bsr_row_ptr,
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const rocsparse_int* bsr_col_ind,
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rocsparse_int row_block_dim,
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rocsparse_int col_block_dim,
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rocsparse_double_complex* bsc_val,
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rocsparse_int* bsc_row_ind,
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rocsparse_int* bsc_col_ptr,
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rocsparse_action copy_values,
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rocsparse_index_base idx_base,
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void* temp_buffer);
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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_GEBSR2GEBSC_H */
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