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目前微型机运算的速度成级数上升 ,加之数据运算的专门高速处理系统如 DSP的开发利用 ,使人们忽视了计算机基本运算的算法研究。然而在许多场合 ,如需要高精度运算的简易系统中 ,高速高精度的算法往往起到决定性作用 ;同时 ,好的算法在快速运算器件上的应用可以使其速度更快 ,而且对系统的设计提供了很大的帮助。因而本文在扫描运算的基础上 ,介绍了一种重叠扫描算法来提高单片机浮点多字节乘法运算的速度。
At present, the speed of microcomputer operation increases in stages, and the development and utilization of specialized high-speed processing systems such as DSP for data operation make people neglect the algorithm research of computer basic operations. However, in many occasions, such as simple systems that need high-precision arithmetic, high-speed and high-precision algorithms tend to play a decisive role. At the same time, the application of good algorithms in fast computing devices can make them faster and the design of the system Provided a great help. Therefore, based on the scanning operation, this paper introduces a kind of overlap scanning algorithm to improve the speed of single-chip floating-point multi-byte multiplication.