摘要
介绍一种可在微型机上由汇编语言完成的快速多字节浮点开平方运算方法，它具有精度高、速度快和使用方便等特点，解决了快速四则运算，特别是乘除法运算之后，为快速的函数运算，如Y＝sin（X）等打下了基础。要解决函数的快速运算，函数所采用的方法及其数学构造很重要。但是作为其基础，大量使用的四则运算及开平方运算的速度也是问题的关键所在。
Gives an algorithm for rapid floating-point multiple bytes square root of extraction operation.The operation is accomplished in assembly language on a microcomputer. The algorithm has good characteristics for its high precision, high speed and convenient operation. Generally, it's very important for us to find better mathematical models for rapid operation of functions (y=sin(x) etc.). However, the arithmetic operations and the extraction operation which the functions have adopted are fundamental for the operation of rapid functions. After rapid arithmetic operations, such as multiplication and division are provided, the algorithm given here is more essential for rapid functions.
出处
《数据采集与处理》
CSCD
1997年第1期9-13,共5页
Journal of Data Acquisition and Processing
关键词
计算方法
浮点运算
开平方
算法
相对移位法
computational methods
floating-point operation
relative shift
square root extraction
