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310 lines
15 KiB
C
310 lines
15 KiB
C
/*! \file */
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/* ************************************************************************
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* Copyright (C) 2025 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 HIPSPARSE_GEBSR2GEBSC_H
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#define HIPSPARSE_GEBSR2GEBSC_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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* \brief Convert a sparse GEBSR matrix into a sparse GEBSC matrix.
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*
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* \details
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* \p hipsparseXgebsr2gebsc_bufferSize returns the size of the temporary storage buffer
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* required by \ref hipsparseSgebsr2gebsc "hipsparseXgebsr2gebsc()". This is the first step
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* in converting a sparse matrix in GEBSR format to a sparse matrix in GEBSC format. After
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* the size of the temporary storage buffer has been determined, it must be allocated by the user.
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*
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* See hipsparseSgebsr2gebsc() for a complete code example.
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*
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* @param[in]
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* handle handle to the hipSPARSE 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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* bsrVal array of \p nnzb*rowBlockDim*colBlockDim containing the values of the sparse General
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* BSR matrix.
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* @param[in]
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* bsrRowPtr 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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* bsrColInd 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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* rowBlockDim row size of the blocks in the sparse General BSR matrix.
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* @param[in]
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* colBlockDim column size of the blocks in the sparse General BSR matrix.
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* @param[out]
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* pBufferSizeInBytes number of bytes of the temporary storage buffer required by
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* hipsparseSgebsr2gebsc(), hipsparseDgebsr2gebsc(), hipsparseCgebsr2gebsc(), and
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* hipsparseZgebsr2gebsc().
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*
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* \retval HIPSPARSE_STATUS_SUCCESS the operation completed successfully.
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* \retval HIPSPARSE_STATUS_INVALID_VALUE \p handle, \p mb, \p nb, \p nnzb, \p bsrRowPtr, \p bsrColInd,
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* or \p pBufferSizeInBytes 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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HIPSPARSE_EXPORT
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hipsparseStatus_t hipsparseSgebsr2gebsc_bufferSize(hipsparseHandle_t handle,
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int mb,
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int nb,
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int nnzb,
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const float* bsrVal,
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const int* bsrRowPtr,
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const int* bsrColInd,
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int rowBlockDim,
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int colBlockDim,
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size_t* pBufferSizeInBytes);
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HIPSPARSE_EXPORT
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hipsparseStatus_t hipsparseDgebsr2gebsc_bufferSize(hipsparseHandle_t handle,
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int mb,
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int nb,
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int nnzb,
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const double* bsrVal,
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const int* bsrRowPtr,
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const int* bsrColInd,
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int rowBlockDim,
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int colBlockDim,
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size_t* pBufferSizeInBytes);
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HIPSPARSE_EXPORT
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hipsparseStatus_t hipsparseCgebsr2gebsc_bufferSize(hipsparseHandle_t handle,
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int mb,
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int nb,
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int nnzb,
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const hipComplex* bsrVal,
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const int* bsrRowPtr,
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const int* bsrColInd,
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int rowBlockDim,
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int colBlockDim,
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size_t* pBufferSizeInBytes);
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HIPSPARSE_EXPORT
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hipsparseStatus_t hipsparseZgebsr2gebsc_bufferSize(hipsparseHandle_t handle,
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int mb,
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int nb,
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int nnzb,
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const hipDoubleComplex* bsrVal,
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const int* bsrRowPtr,
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const int* bsrColInd,
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int rowBlockDim,
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int colBlockDim,
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size_t* pBufferSizeInBytes);
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/**@}*/
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/*! \ingroup conv_module
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* \brief Convert a sparse GEBSR matrix into a sparse GEBSC matrix
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*
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* \details
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* \p hipsparseXgebsr2gebsc converts a GEBSR matrix into a GEBSC matrix. \p hipsparseXgebsr2gebsc
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* can also be used to convert a GEBSC matrix into a GEBSR matrix. \p copyValues decides
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* whether \p bscVal is being filled during conversion (\ref HIPSPARSE_ACTION_NUMERIC)
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* or not (\ref HIPSPARSE_ACTION_SYMBOLIC).
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*
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* \p hipsparseXgebsr2gebsc requires extra temporary storage buffer that has to be allocated
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* by the user. Storage buffer size can be determined by \ref hipsparseSgebsr2gebsc_bufferSize
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* "hipsparseXgebsr2gebsc_bufferSize()".
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*
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* For example, given the GEBSR matrix:
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* \f[
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* \left[
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* \begin{array}{c | c}
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* \begin{array}{c c}
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* 1 & 2 \\
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* 3 & 4 \\
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* 6 & 0
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* \end{array} &
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* \begin{array}{c c}
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* 0 & 2 \\
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* 0 & 0 \\
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* 3 & 4
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* \end{array} \\
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* \hline
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* \begin{array}{c c}
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* 5 & 0 \\
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* 1 & 2 \\
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* 3 & 4
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* \end{array} &
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* \begin{array}{c c}
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* 6 & 7 \\
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* 3 & 4 \\
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* 3 & 4
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* \end{array} \\
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* \end{array}
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* \right]
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* \f]
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*
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* represented with the arrays:
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* \f[
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* \begin{align}
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* \text{bsrRowPtr} &= \begin{bmatrix} 0 & 2 & 4 \end{bmatrix} \\
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* \text{bsrColInd} &= \begin{bmatrix} 0 & 1 & 0 & 1 \end{bmatrix} \\
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* \text{bsrVal} &= \begin{bmatrix} 1 & 2 & 3 & 4 & 6 & 0 & 0 & 2 & 0 & 0 & 3 & 4 & 5 & 0 & 1 & 2 & 3 & 4 & 6 & 7 & 3 & 4 & 3 & 4 \end{bmatrix}
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* \end{align}
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* \f]
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*
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* this function converts the matrix to GEBSC format:
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* \f[
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* \begin{align}
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* \text{bscRowInd} &= \begin{bmatrix} 0 & 1 & 0 & 1 \end{bmatrix} \\
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* \text{bscColPtr} &= \begin{bmatrix} 0 & 2 & 4 \end{bmatrix} \\
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* \text{bscVal} &= \begin{bmatrix} 1 & 2 & 3 & 4 & 6 & 0 & 5 & 0 & 1 & 2 & 3 & 4 & 0 & 2 & 0 & 0 & 3 & 4 & 6 & 7 & 3 & 4 & 3 & 4 \end{bmatrix}
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* \end{align}
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* \f]
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*
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* The GEBSC arrays \p bscRowInd, \p bscColPtr, and \p bscVal must be allocated by the user prior
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* to calling \p hipsparseXgebsr2gebsc(). The \p bscRowInd array has size \p nnzb, the \p bscColPtr
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* array has size \p nb+1, and the \p bscVal array has size \p nnzb*rowBlockDim*colBlockDim.
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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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* @param[in]
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* handle handle to the hipSPARSE 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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* bsrVal array of \p nnzb * \p rowBlockDim * \p colBlockDim elements of the sparse general BSR matrix.
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* @param[in]
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* bsrRowPtr array of \p m+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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* bsrColInd 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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* rowBlockDim row size of the blocks in the sparse general BSR matrix.
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* @param[in]
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* colBlockDim col size of the blocks in the sparse general BSR matrix.
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* @param[out]
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* bscVal array of \p nnz elements of the sparse BSC matrix.
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* @param[out]
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* bscRowInd 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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* bscColPtr array of \p n+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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* copyValues \ref HIPSPARSE_ACTION_SYMBOLIC or \ref HIPSPARSE_ACTION_NUMERIC.
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* @param[in]
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* idxBase \ref HIPSPARSE_INDEX_BASE_ZERO or \ref HIPSPARSE_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 hipsparseSgebsr2gebsc_bufferSize "hipsparseXgebsr2gebsc_bufferSize()".
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*
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* \retval HIPSPARSE_STATUS_SUCCESS the operation completed successfully.
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* \retval HIPSPARSE_STATUS_INVALID_VALUE \p handle, \p mb, \p nb, \p nnzb, \p bsrVal,
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* \p bsrRowPtr, \p bsrColInd, \p bscVal, \p bscRowInd, \p bscColPtr, or
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* \p temp_buffer pointer is invalid.
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* \retval HIPSPARSE_STATUS_ARCH_MISMATCH the device is not supported.
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* \retval HIPSPARSE_STATUS_INTERNAL_ERROR an internal error occurred.
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*/
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/**@{*/
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HIPSPARSE_EXPORT
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hipsparseStatus_t hipsparseSgebsr2gebsc(hipsparseHandle_t handle,
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int mb,
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int nb,
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int nnzb,
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const float* bsrVal,
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const int* bsrRowPtr,
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const int* bsrColInd,
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int rowBlockDim,
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int colBlockDim,
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float* bscVal,
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int* bscRowInd,
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int* bscColPtr,
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hipsparseAction_t copyValues,
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hipsparseIndexBase_t idxBase,
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void* temp_buffer);
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HIPSPARSE_EXPORT
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hipsparseStatus_t hipsparseDgebsr2gebsc(hipsparseHandle_t handle,
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int mb,
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int nb,
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int nnzb,
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const double* bsrVal,
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const int* bsrRowPtr,
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const int* bsrColInd,
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int rowBlockDim,
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int colBlockDim,
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double* bscVal,
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int* bscRowInd,
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int* bscColPtr,
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hipsparseAction_t copyValues,
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hipsparseIndexBase_t idxBase,
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void* temp_buffer);
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HIPSPARSE_EXPORT
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hipsparseStatus_t hipsparseCgebsr2gebsc(hipsparseHandle_t handle,
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int mb,
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int nb,
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int nnzb,
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const hipComplex* bsrVal,
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const int* bsrRowPtr,
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const int* bsrColInd,
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int rowBlockDim,
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int colBlockDim,
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hipComplex* bscVal,
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int* bscRowInd,
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int* bscColPtr,
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hipsparseAction_t copyValues,
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hipsparseIndexBase_t idxBase,
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void* temp_buffer);
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HIPSPARSE_EXPORT
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hipsparseStatus_t hipsparseZgebsr2gebsc(hipsparseHandle_t handle,
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int mb,
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int nb,
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int nnzb,
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const hipDoubleComplex* bsrVal,
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const int* bsrRowPtr,
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const int* bsrColInd,
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int rowBlockDim,
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int colBlockDim,
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hipDoubleComplex* bscVal,
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int* bscRowInd,
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int* bscColPtr,
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hipsparseAction_t copyValues,
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hipsparseIndexBase_t idxBase,
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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 /* HIPSPARSE_GEBSR2GEBSC_H */
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