#!/usr/bin/python3
# coding=utf-8

# ----------------------------------------------------------------------------------------------------------
# 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.
# ----------------------------------------------------------------------------------------------------------


import os
import sys
import numpy as np


LOSS = 1e-3 # 容忍偏差，一般fp16要求绝对误差和相对误差均不超过千分之一
MINIMUM = 10e-10


def verify_result(real_result, golden):
    real_result = np.fromfile(real_result, dtype=np.float16) # 从bin文件读取实际运算结果
    golden = np.fromfile(golden, dtype=np.float16) # 从bin文件读取预期运算结果
    result = np.abs(real_result - golden) # 计算运算结果和预期结果偏差
    deno = np.maximum(np.abs(real_result), np.abs(golden)) # 获取最大值并组成新数组
    result_atol = np.less_equal(result, LOSS) # 计算绝对误差
    result_rtol = np.less_equal(result / np.add(deno, MINIMUM), LOSS) # 计算相对误差
    if not result_rtol.all() and not result_atol.all():
        if np.sum(result_rtol == False) > real_result.size * LOSS \
             and np.sum(result_atol == False) > real_result.size * LOSS:
            print("[ERROR] result error")
            return False
    print("test pass!")
    return True

if __name__ == '__main__':
    verify_result(sys.argv[1],sys.argv[2])