Line data    Source code

       1              : /**
       2              :  * Copyright (c) 2025 Huawei Technologies Co., Ltd.
       3              :  * This program is free software, you can redistribute it and/or modify it under the terms and conditions of
       4              :  * CANN Open Software License Agreement Version 2.0 (the "License").
       5              :  * Please refer to the License for details. You may not use this file except in compliance with the License.
       6              :  * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
       7              :  * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
       8              :  * See LICENSE in the root of the software repository for the full text of the License.
       9              :  */
      10              : 
      11              : #include "hash_utils.h"
      12              : 
      13              : namespace Hccl {
      14              : 
      15         7855 : std::size_t HashCombine(std::initializer_list<std::size_t> hashItem)
      16              : {
      17         7855 :     std::size_t res = 17;
      18         7855 :     std::size_t padding = 31;
      19        43631 :     for (auto begin = hashItem.begin(); begin != hashItem.end(); ++begin) {
      20        35776 :         res = padding * res + (*begin);
      21              :     }
      22         7855 :     return res;
      23              : }
      24              : 
      25              : } // namespace Hccl