TheRock/rocm-libraries/projects/rocsparse/library/src/extra/rocsparse_csrgemm_mult.hpp

/*! \file */
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#pragma once

#include "rocsparse_control.hpp"

namespace rocsparse
{
    template <typename I, typename J, typename T>
    rocsparse_status csrgemm_mult_buffer_size_core(rocsparse_handle          handle,
                                                   rocsparse_operation       trans_A,
                                                   rocsparse_operation       trans_B,
                                                   J                         m,
                                                   J                         n,
                                                   J                         k,
                                                   const T*                  alpha,
                                                   const rocsparse_mat_descr descr_A,
                                                   I                         nnz_A,
                                                   const I*                  csr_row_ptr_A,
                                                   const J*                  csr_col_ind_A,
                                                   const rocsparse_mat_descr descr_B,
                                                   I                         nnz_B,
                                                   const I*                  csr_row_ptr_B,
                                                   const J*                  csr_col_ind_B,
                                                   rocsparse_mat_info        info_C,
                                                   size_t*                   buffer_size);

    rocsparse_status csrgemm_mult_buffer_size_quickreturn(rocsparse_handle          handle,
                                                          rocsparse_operation       trans_A,
                                                          rocsparse_operation       trans_B,
                                                          int64_t                   m,
                                                          int64_t                   n,
                                                          int64_t                   k,
                                                          const void*               alpha,
                                                          const rocsparse_mat_descr descr_A,
                                                          int64_t                   nnz_A,
                                                          const void*               csr_row_ptr_A,
                                                          const void*               csr_col_ind_A,
                                                          const rocsparse_mat_descr descr_B,
                                                          int64_t                   nnz_B,
                                                          const void*               csr_row_ptr_B,
                                                          const void*               csr_col_ind_B,
                                                          rocsparse_mat_info        info_C,
                                                          size_t*                   buffer_size);

    template <typename... P>
    rocsparse_status csrgemm_mult_buffer_size_template(P&&... p)
    {
        const rocsparse_status status = rocsparse::csrgemm_mult_buffer_size_quickreturn(p...);
        if(status != rocsparse_status_continue)
        {
            RETURN_IF_ROCSPARSE_ERROR(status);
            return rocsparse_status_success;
        }

        RETURN_IF_ROCSPARSE_ERROR(rocsparse::csrgemm_mult_buffer_size_core(p...));
        return rocsparse_status_success;
    }

    template <typename I>
    rocsparse_status csrgemm_mult_nnz_quickreturn(rocsparse_handle          handle,
                                                  rocsparse_operation       trans_A,
                                                  rocsparse_operation       trans_B,
                                                  int64_t                   m,
                                                  int64_t                   n,
                                                  int64_t                   k,
                                                  const rocsparse_mat_descr descr_A,
                                                  int64_t                   nnz_A,
                                                  const void*               csr_row_ptr_A,
                                                  const void*               csr_col_ind_A,
                                                  const rocsparse_mat_descr descr_B,
                                                  int64_t                   nnz_B,
                                                  const void*               csr_row_ptr_B,
                                                  const void*               csr_col_ind_B,
                                                  const rocsparse_mat_descr descr_C,
                                                  I*                        csr_row_ptr_C,
                                                  I*                        nnz_C,
                                                  const rocsparse_mat_info  info_C,
                                                  void*                     temp_buffer);

    template <typename I, typename J>
    rocsparse_status csrgemm_mult_nnz_core(rocsparse_handle          handle,
                                           rocsparse_operation       trans_A,
                                           rocsparse_operation       trans_B,
                                           J                         m,
                                           J                         n,
                                           J                         k,
                                           const rocsparse_mat_descr descr_A,
                                           I                         nnz_A,
                                           const I*                  csr_row_ptr_A,
                                           const J*                  csr_col_ind_A,
                                           const rocsparse_mat_descr descr_B,
                                           I                         nnz_B,
                                           const I*                  csr_row_ptr_B,
                                           const J*                  csr_col_ind_B,
                                           const rocsparse_mat_descr descr_C,
                                           I*                        csr_row_ptr_C,
                                           I*                        nnz_C,
                                           const rocsparse_mat_info  info_C,
                                           void*                     temp_buffer);

    template <typename... P>
    rocsparse_status csrgemm_mult_nnz_template(P&&... p)
    {
        const rocsparse_status status = rocsparse::csrgemm_mult_nnz_quickreturn(p...);
        if(status != rocsparse_status_continue)
        {
            RETURN_IF_ROCSPARSE_ERROR(status);
            return rocsparse_status_success;
        }

        RETURN_IF_ROCSPARSE_ERROR(rocsparse::csrgemm_mult_nnz_core(p...));
        return rocsparse_status_success;
    }

    rocsparse_status csrgemm_mult_quickreturn(rocsparse_handle          handle,
                                              rocsparse_operation       trans_A,
                                              rocsparse_operation       trans_B,
                                              int64_t                   m,
                                              int64_t                   n,
                                              int64_t                   k,
                                              const void*               alpha,
                                              const rocsparse_mat_descr descr_A,
                                              int64_t                   nnz_A,
                                              const void*               csr_val_A,
                                              const void*               csr_row_ptr_A,
                                              const void*               csr_col_ind_A,
                                              const rocsparse_mat_descr descr_B,
                                              int64_t                   nnz_B,
                                              const void*               csr_val_B,
                                              const void*               csr_row_ptr_B,
                                              const void*               csr_col_ind_B,
                                              const rocsparse_mat_descr descr_C,
                                              void*                     csr_val_C,
                                              const void*               csr_row_ptr_C,
                                              void*                     csr_col_ind_C,
                                              const rocsparse_mat_info  info_C,
                                              void*                     temp_buffer);

    template <typename I, typename J, typename T>
    rocsparse_status csrgemm_mult_core(rocsparse_handle          handle,
                                       rocsparse_operation       trans_A,
                                       rocsparse_operation       trans_B,
                                       J                         m,
                                       J                         n,
                                       J                         k,
                                       const T*                  alpha,
                                       const rocsparse_mat_descr descr_A,
                                       I                         nnz_A,
                                       const T*                  csr_val_A,
                                       const I*                  csr_row_ptr_A,
                                       const J*                  csr_col_ind_A,
                                       const rocsparse_mat_descr descr_B,
                                       I                         nnz_B,
                                       const T*                  csr_val_B,
                                       const I*                  csr_row_ptr_B,
                                       const J*                  csr_col_ind_B,
                                       const rocsparse_mat_descr descr_C,
                                       T*                        csr_val_C,
                                       const I*                  csr_row_ptr_C,
                                       J*                        csr_col_ind_C,
                                       const rocsparse_mat_info  info_C,
                                       void*                     temp_buffer);

    template <typename... P>
    rocsparse_status csrgemm_mult_template(P&&... p)
    {
        const rocsparse_status status = rocsparse::csrgemm_mult_quickreturn(p...);
        if(status != rocsparse_status_continue)
        {
            RETURN_IF_ROCSPARSE_ERROR(status);
            return rocsparse_status_success;
        }

        RETURN_IF_ROCSPARSE_ERROR(rocsparse::csrgemm_mult_core(p...));
        return rocsparse_status_success;
    }
}