/*! \file */
/* ************************************************************************
 * Copyright (C) 2023 Advanced Micro Devices, Inc. All rights Reserved.
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 * 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
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * 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
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#include "../conversion/rocsparse_identity.hpp"
#include "csrgemm_device.h"
#include "definitions.h"
#include "internal/extra/rocsparse_csrgemm.h"
#include "rocsparse_csrgemm.hpp"
#include "utility.h"

#include "rocsparse_csrgemm_scal.hpp"
#include <rocprim/rocprim.hpp>

rocsparse_status rocsparse_csrgemm_scal_buffer_size_quickreturn(rocsparse_handle          handle,
                                                                int64_t                   m,
                                                                int64_t                   n,
                                                                const void*               beta,
                                                                const rocsparse_mat_descr descr_D,
                                                                int64_t                   nnz_D,
                                                                const void*        csr_row_ptr_D,
                                                                const void*        csr_col_ind_D,
                                                                rocsparse_mat_info info_C,
                                                                size_t*            buffer_size)
{
    if(m == 0 || nnz_D == 0)
    {
        *buffer_size                         = 0;
        info_C->csrgemm_info->buffer_size    = buffer_size[0];
        info_C->csrgemm_info->is_initialized = true;
        return rocsparse_status_success;
    }

    return rocsparse_status_continue;
}

template <typename I, typename J, typename T>
rocsparse_status rocsparse_csrgemm_scal_buffer_size_core(rocsparse_handle          handle,
                                                         J                         m,
                                                         J                         n,
                                                         const T*                  beta,
                                                         const rocsparse_mat_descr descr_D,
                                                         I                         nnz_D,
                                                         const I*                  csr_row_ptr_D,
                                                         const J*                  csr_col_ind_D,
                                                         rocsparse_mat_info        info_C,
                                                         size_t*                   buffer_size)
{
    *buffer_size                         = 0;
    info_C->csrgemm_info->buffer_size    = buffer_size[0];
    info_C->csrgemm_info->is_initialized = true;
    return rocsparse_status_success;
}

#define INSTANTIATE(I, J, T)                                           \
    template rocsparse_status rocsparse_csrgemm_scal_buffer_size_core( \
        rocsparse_handle          handle,                              \
        J                         m,                                   \
        J                         n,                                   \
        const T*                  beta,                                \
        const rocsparse_mat_descr descr_D,                             \
        I                         nnz_D,                               \
        const I*                  csr_row_ptr_D,                       \
        const J*                  csr_col_ind_D,                       \
        rocsparse_mat_info        info_C,                              \
        size_t*                   buffer_size)

INSTANTIATE(int32_t, int32_t, float);
INSTANTIATE(int32_t, int32_t, double);
INSTANTIATE(int32_t, int32_t, rocsparse_float_complex);
INSTANTIATE(int32_t, int32_t, rocsparse_double_complex);

INSTANTIATE(int64_t, int32_t, float);
INSTANTIATE(int64_t, int32_t, double);
INSTANTIATE(int64_t, int32_t, rocsparse_float_complex);
INSTANTIATE(int64_t, int32_t, rocsparse_double_complex);

INSTANTIATE(int32_t, int64_t, float);
INSTANTIATE(int32_t, int64_t, double);
INSTANTIATE(int32_t, int64_t, rocsparse_float_complex);
INSTANTIATE(int32_t, int64_t, rocsparse_double_complex);

INSTANTIATE(int64_t, int64_t, float);
INSTANTIATE(int64_t, int64_t, double);
INSTANTIATE(int64_t, int64_t, rocsparse_float_complex);
INSTANTIATE(int64_t, int64_t, rocsparse_double_complex);

#undef INSTANTIATE
