32位嵌入式系统中扩展精度数学算法实现

Implementation of Extended Precision Mathematical Algorithm in 32-bit Embedded System

提出了一种32位嵌入式系统中应用的扩展精度数学算法。适用于缺乏数字协处理器硬件支持并且软件浮点运算达不到系统时间要求的系统。算法运算数据精度高、扩展性好。介绍了32位乘法、除法、开方算法以及64位加法、减法、乘法算法。

This paper presents a mathematical algorithm for extended precision in 32-bit embedded system. The algorithm can be applied in the system without the support of mathematical coprocessor and provides high precision. It provides 32-bit multiplication algorithm implementation, 64-bit multiplication algorithm implementation, 32-bit division algorithm and 32-bit square root algorithm implementation.