面向精度控制的数学函数算法实现研究

Research on Mathematic Function Algorithm Implementation for Precision Control

文章在分析函数常用的级数法和迭代法算法的基础上,提出一种基于归约、逼近、重建的函数改进算法,满足浮点运算要求。通过测试证明了优化算法精度的优越性。同时,对基础数学库实现方法的研究,能够更有效满足高性能计算的精度要求和性能要求。

This paper analyzes mathematical function of the common approximate method including the taylor series and the newton iterative,presents an improved algorithm based on reduction,approach and reconstruction to satisfy the demands of floating-point operation.The test results show that the algorithm precision is superior.Also,the research on methods to implement the basic mathematical library can satisfy the requirement of effectiveness and precision on high qualified performance computation.