/*! \file */
/* ************************************************************************
 * Copyright (C) 2023 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
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 * 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.
 *
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 * 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
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
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#include "rocsparse_csrgemm_symbolic_multadd.hpp"
#include "../conversion/rocsparse_identity.hpp"
#include "common.h"
#include "definitions.h"
#include "internal/extra/rocsparse_csrgemm.h"
#include "rocsparse_csrgemm.hpp"
#include "rocsparse_csrgemm_symbolic_calc.hpp"
#include "utility.h"

rocsparse_status rocsparse_csrgemm_symbolic_multadd_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_D,
                                                                int64_t                   nnz_D,
                                                                const void* csr_row_ptr_D,
                                                                const void* csr_col_ind_D,
                                                                const rocsparse_mat_descr descr_C,
                                                                int64_t                   nnz_C,
                                                                const void* csr_row_ptr_C,
                                                                void*       csr_col_ind_C,
                                                                const rocsparse_mat_info info_C,
                                                                void* temp_buffer)
{
    const bool mul = info_C->csrgemm_info->mul;
    const bool add = info_C->csrgemm_info->add;
    if(true == mul && true == add)
    {
        if((m == 0 || n == 0 || nnz_C == 0)
           || ((k == 0 || nnz_A == 0 || nnz_B == 0) && (nnz_D == 0)))
        {
            return rocsparse_status_success;
        }
        else
        {
            return rocsparse_status_continue;
        }
    }
    else
    {
        RETURN_IF_ROCSPARSE_ERROR(rocsparse_status_internal_error);
    }
}

template <typename I, typename J>
rocsparse_status rocsparse_csrgemm_symbolic_multadd_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_D,
                                                         I                         nnz_D,
                                                         const I*                  csr_row_ptr_D,
                                                         const J*                  csr_col_ind_D,
                                                         const rocsparse_mat_descr descr_C,
                                                         I                         nnz_C,
                                                         const I*                  csr_row_ptr_C,
                                                         J*                        csr_col_ind_C,
                                                         const rocsparse_mat_info  info_C,
                                                         void*                     temp_buffer)
{
    const bool mul = info_C->csrgemm_info->mul;
    const bool add = info_C->csrgemm_info->add;
    if(true == mul && true == add)
    {
        if(trans_A != rocsparse_operation_none || trans_B != rocsparse_operation_none)
        {
            RETURN_WITH_MESSAGE_IF_ROCSPARSE_ERROR(
                rocsparse_status_not_implemented,
                "failed condition: (trans_A == rocsparse_operation_none "
                "&& trans_B == rocsparse_operation_none)");
        }

        RETURN_IF_ROCSPARSE_ERROR(rocsparse_csrgemm_symbolic_calc_preprocess_template(
            handle, m, csr_row_ptr_C, temp_buffer));

        RETURN_IF_ROCSPARSE_ERROR(rocsparse_csrgemm_symbolic_calc_template(handle,
                                                                           trans_A,
                                                                           trans_B,
                                                                           m,
                                                                           n,
                                                                           k,
                                                                           descr_A,
                                                                           nnz_A,
                                                                           csr_row_ptr_A,
                                                                           csr_col_ind_A,
                                                                           descr_B,
                                                                           nnz_B,
                                                                           csr_row_ptr_B,
                                                                           csr_col_ind_B,
                                                                           descr_D,
                                                                           nnz_D,
                                                                           csr_row_ptr_D,
                                                                           csr_col_ind_D,
                                                                           descr_C,
                                                                           nnz_C,
                                                                           csr_row_ptr_C,
                                                                           csr_col_ind_C,
                                                                           info_C,
                                                                           temp_buffer));
        return rocsparse_status_success;
    }
    else
    {
        RETURN_IF_ROCSPARSE_ERROR(rocsparse_status_internal_error);
    }
}

#define INSTANTIATE(I, J)                                              \
    template rocsparse_status rocsparse_csrgemm_symbolic_multadd_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_D,                             \
        I                         nnz_D,                               \
        const I*                  csr_row_ptr_D,                       \
        const J*                  csr_col_ind_D,                       \
        const rocsparse_mat_descr descr_C,                             \
        I                         nnz_C,                               \
        const I*                  csr_row_ptr_C,                       \
        J*                        csr_col_ind_C,                       \
        const rocsparse_mat_info  info_C,                              \
        void*                     temp_buffer)

INSTANTIATE(int32_t, int32_t);
INSTANTIATE(int64_t, int32_t);
INSTANTIATE(int64_t, int64_t);

#undef INSTANTIATE
