/**
 * Copyright (c) 2025 Huawei Technologies Co., Ltd.
 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of
 * CANN Open Software License Agreement Version 2.0 (the "License").
 * Please refer to the License for details. You may not use this file except in compliance with the License.
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
 * See LICENSE in the root of the software repository for the full text of the License.
 */
#include "defalut_reg_func.h"

namespace af {
namespace ascir {
std::vector<std::unique_ptr<TmpBufDesc>> CalcTrueDivTmpSize(const AscNode &node)
{
    AscNodeInputs node_inputs = node.inputs;
    // 获取输入数据的元素个数
    const auto input_size = GetInputSize(node_inputs);
    // 根据数据类型计算临时buffer大小
    // 对于int32类型：需要临时buffer用于非原地计算的中间结果存储
    auto data_type = node_inputs[0].attr.dtype;
    const auto data_type_size = GetSizeByDataType(data_type);

    if (HasScalarOrUbScalar(node_inputs)) {
        return CalcDefaultTmpSize(node);
    }
    if (data_type == ge::DT_INT32) {
        // int32类型：tmp_buf大小需要 >= 2* size * sizeof(int32_t)
        // 用于原地计算时的数据暂存或中间结果存储
        const Expression total_size = Symbol(data_type_size) * input_size * Symbol(2);
        GELOGD("Node %s[%s] TrueDivExtend int32 tmp buffer size: %s (input_size: %s, type_size: %d)",
            node.GetTypePtr(), node.GetNamePtr(), total_size.Str().get(),
            input_size.Str().get(), data_type_size);
        return GetTmpBuffer(total_size);
    } else {
        // 其他数据类型：返回默认大小
        return CalcDefaultTmpSize(node);
    }
}
}  // namespace ascir
}  // namespace af