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                                样例使用说明
                             Sample Description
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功能描述：
此样例演示了MATH ACC反正切与取模运算功能，输入正弦值和余弦值，正余弦值都为16位有符号数
（Q15格式，1位符号位，15位整数），取值范围为(-32768~32767)，对应表示(-1~1)的正余弦值。

Function descriptions:
This sample demonstrates the functions of MATH ACC arctangent and modulo operations. 
Input the sine value and cosine value. Both the sine value and cosine value are 
16-bit signed numbers (in Q15 format, with 1 sign bit and 15 integer bits), 
and their value ranges are from -32768 to 32767, correspondingly representing 
the sine and cosine values within the range of -1 to 1.
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测试环境：
测试用板：DPM32M036_REV_A
MDK版本： 5.28

Test environment:
Test board: DPM32M036_REV_A
MDK Version: 5.28
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使用步骤：
1. 编译下载程序到MCU，并运行。

Example execution steps:
1. Compile and download the program to MCU, and run it.
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注意事项：
取模时结果最大值不能超过32767，若超过32767，则会被溢出保护，最大限制在32767。

Notes:
When taking the modulus, the maximum value of the result cannot exceed 32,767. 
If it exceeds 32,767, it will be protected by the overflow mechanism and be 
limited to a maximum of 32,767.
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